Substance | Relationship Strength | Studies | Trials | Classes | Roles |
4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.04 | 1 | 0 | monohydroxybenzoic acid | algal metabolite; plant metabolite |
acetic acid Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 3.85 | 2 | 1 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
acetamide acetimidic acid : A carboximidic acid that is acetic acid in which the carbonyl oxygen is replaced by an imino group. | 2.05 | 1 | 0 | acetamides; carboximidic acid; monocarboxylic acid amide; N-acylammonia | |
adenine [no description available] | 2.45 | 2 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
allantoin [no description available] | 2.46 | 2 | 0 | imidazolidine-2,4-dione; ureas | Escherichia coli metabolite; human metabolite; Saccharomyces cerevisiae metabolite; vulnerary |
quinacrine Quinacrine: An acridine derivative formerly widely used as an antimalarial but superseded by chloroquine in recent years. It has also been used as an anthelmintic and in the treatment of giardiasis and malignant effusions. It is used in cell biological experiments as an inhibitor of phospholipase A2.. quinacrine : A member of the class of acridines that is acridine substituted by a chloro group at position 6, a methoxy group at position 2 and a [5-(diethylamino)pentan-2-yl]nitrilo group at position 9. | 3.24 | 6 | 0 | acridines; aromatic ether; organochlorine compound; tertiary amino compound | antimalarial; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor |
benzyl alcohol Benzyl Alcohol: A colorless liquid with a sharp burning taste and slight odor. It is used as a local anesthetic and to reduce pain associated with LIDOCAINE injection. Also, it is used in the manufacture of other benzyl compounds, as a pharmaceutic aid, and in perfumery and flavoring.. hydroxytoluene : Any member of the class of toluenes carrying one or more hydroxy substituents.. benzyl alcohol : An aromatic alcohol that consists of benzene bearing a single hydroxymethyl substituent.. aromatic alcohol : Any alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring.. aromatic primary alcohol : Any primary alcohol in which the alcoholic hydroxy group is attached to a carbon which is itself bonded to an aromatic ring. | 2.04 | 1 | 0 | benzyl alcohols | antioxidant; fragrance; metabolite; solvent |
betaine glycine betaine : The amino acid betaine derived from glycine. | 2.45 | 2 | 0 | amino-acid betaine; glycine derivative | fundamental metabolite |
carbamates [no description available] | 2.04 | 1 | 0 | amino-acid anion | |
aminooxyacetic acid Aminooxyacetic Acid: A compound that inhibits aminobutyrate aminotransferase activity in vivo, thereby raising the level of gamma-aminobutyric acid in tissues.. (aminooxy)acetic acid : A member of the class of hydroxylamines that is acetic acid substituted at postion 2 by an aminooxy group. It is a compound which inhibits aminobutyrate aminotransferase activity in vivo, resulting in increased levels of gamma-aminobutyric acid in tissues. | 2.05 | 1 | 0 | amino acid; hydroxylamines; monocarboxylic acid | anticonvulsant; EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor; EC 4.2.1.22 (cystathionine beta-synthase) inhibitor; nootropic agent |
carnitine [no description available] | 2.05 | 1 | 0 | amino-acid betaine | human metabolite; mouse metabolite |
catechol [no description available] | 2.04 | 1 | 0 | catechols | allelochemical; genotoxin; plant metabolite |
methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 3.33 | 1 | 1 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
chlordecone [no description available] | 2.04 | 1 | 0 | cyclic ketone; organochlorine compound | insecticide; persistent organic pollutant |
choline [no description available] | 1.94 | 1 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 2.05 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 4.29 | 4 | 1 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
salicylic acid Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 3.07 | 5 | 0 | monohydroxybenzoic acid | algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite |
4-aminophenol 4-aminophenol: RN given refers to parent cpd. 4-aminophenol : An amino phenol (one of the three possible isomers) which has the single amino substituent located para to the phenolic -OH group. | 2.04 | 1 | 0 | aminophenol | allergen; metabolite |
bupropion Bupropion: A propiophenone-derived antidepressant and antismoking agent that inhibits the uptake of DOPAMINE.. bupropion : An aromatic ketone that is propiophenone carrying a tert-butylamino group at position 2 and a chloro substituent at position 3 on the phenyl ring. | 2.05 | 1 | 0 | aromatic ketone; monochlorobenzenes; secondary amino compound | antidepressant; environmental contaminant; xenobiotic |
3,4-dihydroxyphenylacetic acid 3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 2.45 | 2 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
aminocaproic acid Aminocaproic Acid: An antifibrinolytic agent that acts by inhibiting plasminogen activators which have fibrinolytic properties.. 6-aminohexanoic acid : An epsilon-amino acid comprising hexanoic acid carrying an amino substituent at position C-6. Used to control postoperative bleeding, and to treat overdose effects of the thrombolytic agents streptokinase and tissue plasminogen activator. | 2.74 | 3 | 0 | amino acid zwitterion; epsilon-amino acid; omega-amino fatty acid | antifibrinolytic drug; hematologic agent; metabolite |
creatine [no description available] | 2.05 | 1 | 0 | glycine derivative; guanidines; zwitterion | geroprotector; human metabolite; mouse metabolite; neuroprotective agent; nutraceutical |
lactic acid Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 2.74 | 3 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
5,6-dimethylbenzimidazole 5,6-dimethylbenzimidazole: RN given refers to parent cpd. 5,6-dimethylbenzimidazole : A dimethylbenzimidazole carrying methyl substituents at positions 5 and 6. | 2.04 | 1 | 0 | dimethylbenzimidazole | Escherichia coli metabolite; human metabolite |
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.48 | 2 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.49 | 2 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
hexachlorocyclohexane Lindane: An organochlorine insecticide made up of greater than 99% gamma-Hexachlorocyclohexane. It has been used as a pediculicide and scabicide, and shown to cause cancer.. beta-hexachlorocyclohexane : The beta-isomer of hexachlorocyclohexane. | 2.04 | 1 | 0 | chlorocyclohexane | |
glycine [no description available] | 2.74 | 3 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.68 | 3 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
alpha-glycerophosphoric acid [no description available] | 2.04 | 1 | 0 | glycerol monophosphate | algal metabolite; human metabolite |
histamine [no description available] | 7.39 | 2 | 0 | aralkylamino compound; imidazoles | human metabolite; mouse metabolite; neurotransmitter |
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 3.73 | 2 | 1 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
hydroquinone [no description available] | 2.45 | 2 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
iodine Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 4.13 | 17 | 0 | diatomic iodine | nutrient |
inositol Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.. inositol : Any cyclohexane-1,2,3,4,5,6-hexol.. 1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.. muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration. | 4.61 | 4 | 0 | cyclitol; hexol | |
melatonin [no description available] | 3.04 | 4 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 8.07 | 5 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.05 | 1 | 0 | pyridine alkaloid; pyridinecarboxamide; vitamin B3 | anti-inflammatory agent; antioxidant; cofactor; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; Escherichia coli metabolite; geroprotector; human urinary metabolite; metabolite; mouse metabolite; neuroprotective agent; Saccharomyces cerevisiae metabolite; Sir2 inhibitor |
niacin Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. | 2.45 | 2 | 0 | pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3 | antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent |
nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 1.97 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
orotic acid Orotic Acid: An intermediate product in PYRIMIDINE synthesis which plays a role in chemical conversions between DIHYDROFOLATE and TETRAHYDROFOLATE.. orotic acid : A pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. | 3.61 | 2 | 0 | pyrimidinemonocarboxylic acid | Escherichia coli metabolite; metabolite; mouse metabolite |
4-aminobenzoic acid 4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group. | 2.05 | 1 | 0 | aminobenzoic acid; aromatic amino-acid zwitterion | allergen; Escherichia coli metabolite; plant metabolite |
palmitic acid Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 1.96 | 1 | 0 | long-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; Daphnia magna metabolite; EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor; plant metabolite |
parathion [no description available] | 2.04 | 1 | 0 | C-nitro compound; organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; avicide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; mouse metabolite |
pentachlorophenol PENTA: structure given in first source | 2.04 | 1 | 0 | aromatic fungicide; chlorophenol; organochlorine pesticide; pentachlorobenzenes | human xenobiotic metabolite |
phenanthrene phenanthrene : A polycyclic aromatic hydrocarbon composed of three fused benzene rings which takes its name from the two terms 'phenyl' and 'anthracene.' | 1.93 | 1 | 0 | ortho-fused polycyclic arene; ortho-fused tricyclic hydrocarbon; phenanthrenes | environmental contaminant; mouse metabolite |
phenol [no description available] | 2.45 | 2 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
phenylacetic acid phenylacetic acid : A monocarboxylic acid that is toluene in which one of the hydrogens of the methyl group has been replaced by a carboxy group. | 2.05 | 1 | 0 | benzenes; monocarboxylic acid; phenylacetic acids | allergen; Aspergillus metabolite; auxin; EC 6.4.1.1 (pyruvate carboxylase) inhibitor; Escherichia coli metabolite; human metabolite; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite; toxin |
pyrazinamide pyrazinecarboxamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of pyrazinoic acid (pyrazine-2-carboxylic acid) with ammonia. A prodrug for pyrazinoic acid, pyrazinecarboxamide is used as part of multidrug regimens for the treatment of tuberculosis. | 2.75 | 3 | 0 | monocarboxylic acid amide; N-acylammonia; pyrazines | antitubercular agent; prodrug |
pyridoxal phosphate Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).. pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. | 2.05 | 1 | 0 | methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6 phosphate | coenzyme; cofactor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
pyridoxine 4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol: structure in first source. vitamin B6 : Any member of the group of pyridines that exhibit biological activity against vitamin B6 deficiency. Vitamin B6 deficiency is associated with microcytic anemia, electroencephalographic abnormalities, dermatitis with cheilosis (scaling on the lips and cracks at the corners of the mouth) and glossitis (swollen tongue), depression and confusion, and weakened immune function. Vitamin B6 consists of the vitamers pyridoxine, pyridoxal, and pyridoxamine and their respective 5'-phosphate esters (and includes their corresponding ionized and salt forms). | 2.67 | 3 | 0 | hydroxymethylpyridine; methylpyridines; monohydroxypyridine; vitamin B6 | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
selenious acid Selenious Acid: A selenium compound with the molecular formula H2SO3. It used as a source of SELENIUM, especially for patients that develop selenium deficiency following prolonged PARENTERAL NUTRITION. | 2.1 | 1 | 0 | selenium oxoacid | |
succinic acid Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 2.04 | 1 | 0 | alpha,omega-dicarboxylic acid; C4-dicarboxylic acid | anti-ulcer drug; fundamental metabolite; micronutrient; nutraceutical; radiation protective agent |
thiamine thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 2.05 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.39 | 2 | 0 | pyrimidine nucleobase; pyrimidone | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite |
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.05 | 1 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
catechin [no description available] | 2.05 | 1 | 0 | hydroxyflavan | |
menthol Menthol: A monoterpene cyclohexanol produced from mint oils. | 2.39 | 2 | 0 | p-menthane monoterpenoid; secondary alcohol | volatile oil component |
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases | 2.99 | 4 | 0 | phenanthroline | EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor |
1-(3-chlorophenyl)piperazine 1-(3-chlorophenyl)piperazine: supposed metabolite of TRAZODONE; RN given refers to parent cpd; structure. 1-(3-chlorophenyl)piperazine : A N-arylpiperazine that is piperazine carrying a 3-chlorophenyl substituent at position 1. It is a metabolite of the antidepressant drug trazodone. | 2.08 | 1 | 0 | monochlorobenzenes; N-arylpiperazine | drug metabolite; environmental contaminant; serotonergic agonist; xenobiotic |
1-anilino-8-naphthalenesulfonate 1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.63 | 3 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine: A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in Parkinson disease.. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine substituted by a methyl group at position 1 and a phenyl group at position 4. | 2.74 | 3 | 0 | methylpyridines; phenylpyridine; tetrahydropyridine | neurotoxin |
2,4,6-tribromophenol [no description available] | 1.96 | 1 | 0 | bromophenol | environmental contaminant; fungicide; marine metabolite |
pyrithione pyrithione: split from cephalosporin molecule; some metal complexes of this have fumarate reductase inhibitory activity and may be useful against trypanosomes; RN given refers to parent cpd; structure. pyrithione : A pyridinethione that is pyridine-2(1H)-thione in which the hydrogen attached to the nitrogen is replaced by a hydroxy group. It is a Zn(2+) ionophore; the zinc salt is used as an antifungal and antibacterial agent. | 8.84 | 3 | 0 | monohydroxypyridine; pyridinethione | ionophore |
amitrole Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 2.04 | 1 | 0 | aromatic amine; triazoles | carotenoid biosynthesis inhibitor; EC 1.11.1.6 (catalase) inhibitor; herbicide |
tramiprosate tramiprosate: GABA receptor agonist and a glycosaminoglycan mimetic; has nootropic acitivity; structure; a sulfonate analog of GABA. 3-aminopropanesulfonic acid : An amino sulfonic acid that is the 3-amino derivative of propanesulfonic acid. | 3.18 | 1 | 0 | amino sulfonic acid; zwitterion | algal metabolite; anti-inflammatory agent; anticonvulsant; GABA agonist; nootropic agent |
4,5,6,7-tetrabromo-2-azabenzimidazole 4,5,6,7-tetrabromobenzotriazole: a CK2 kinase inhibitor | 2.31 | 1 | 0 | | |
cgp 52411 4,5-dianilinophthalimide: structure given in first source. 4,5-dianilinophthalimide : Phthalimide substituted at the 4- and 5-positions by anilino groups. | 2.04 | 1 | 0 | phthalimides | geroprotector; tyrosine kinase inhibitor |
homovanillic acid Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 2.01 | 1 | 0 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
phenytoin [no description available] | 4.02 | 4 | 0 | imidazolidine-2,4-dione | anticonvulsant; drug allergen; sodium channel blocker; teratogenic agent |
hydroxyindoleacetic acid (5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 1.95 | 1 | 0 | indole-3-acetic acids | drug metabolite; human metabolite; mouse metabolite |
oxyquinoline Oxyquinoline: An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics.. quinolin-8-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 8. Its fungicidal properties are used for the control of grey mould on vines and tomatoes. | 12.72 | 30 | 1 | monohydroxyquinoline | antibacterial agent; antifungal agrochemical; antiseptic drug; iron chelator |
tacrine Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.. tacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. | 2.83 | 3 | 0 | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
acebutolol Acebutolol: A cardioselective beta-1 adrenergic antagonist with little effect on the bronchial receptors. The drug has stabilizing and quinidine-like effects on cardiac rhythm, as well as weak inherent sympathomimetic action.. acebutolol : An ether that is the 2-acetyl-4-(butanoylamino)phenyl ether of the primary hydroxy group of 3-(propan-2-ylamino)propane-1,2-diol. | 2.74 | 3 | 0 | aromatic amide; ethanolamines; ether; monocarboxylic acid amide; propanolamine; secondary amino compound | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympathomimetic agent |
acetaminophen Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 3.3 | 6 | 0 | acetamides; phenols | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; cyclooxygenase 3 inhibitor; environmental contaminant; ferroptosis inducer; geroprotector; hepatotoxic agent; human blood serum metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
acetarsol [no description available] | 1.92 | 1 | 0 | acetamides; anilide | |
acetazolamide Acetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) | 3.3 | 6 | 0 | monocarboxylic acid amide; sulfonamide; thiadiazoles | anticonvulsant; diuretic; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
acetohexamide Acetohexamide: A sulfonylurea hypoglycemic agent that is metabolized in the liver to 1-hydrohexamide.. acetohexamide : An N-sulfonylurea that is urea in which a hydrogen attached to one of the nitrogens is replaced by a p-acetylphenylsulfonyl group, while a hydrogen attached to the other nitrogen is replaced by a cyclohexyl group. | 2.45 | 2 | 0 | acetophenones; N-sulfonylurea | hypoglycemic agent; insulin secretagogue |
acetohydroxamic acid acetohydroxamic acid: urease inhibitor. oxime : Compounds of structure R2C=NOH derived from condensation of aldehydes or ketones with hydroxylamine. Oximes from aldehydes may be called aldoximes; those from ketones may be called ketoximes.. N-hydroxyacetimidic acid : A carbohydroximic acid consisting of acetimidic acid having a hydroxy group attached to the imide nitrogen.. acetohydroxamic acid : A member of the class of acetohydroxamic acids that is acetamide in which one of the amino hydrogens has been replaced by a hydroxy group. | 2.46 | 2 | 0 | acetohydroxamic acids; carbohydroximic acid | algal metabolite; EC 3.5.1.5 (urease) inhibitor |
methacholine methacholine : A quaternary ammonium ion in which the nitrogen is substituted with three methyl groups and a 2-acetoxypropyl group. Parasympathomimetic bronchoconstrictor drug used in clinical diagnosis. | 2.04 | 1 | 0 | acetate ester; quaternary ammonium ion | bronchoconstrictor agent; cholinergic agonist; epitope; muscarinic agonist; vasodilator agent |
ethacridine Ethacridine: A topically applied anti-infective agent. | 3.74 | 2 | 1 | acridines | |
albendazole [no description available] | 2.75 | 3 | 0 | aryl sulfide; benzimidazoles; benzimidazolylcarbamate fungicide; carbamate ester | anthelminthic drug; microtubule-destabilising agent; tubulin modulator |
albuterol Albuterol: A short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol.. albuterol : A member of the class of phenylethanolamines that is 4-(2-amino-1-hydroxyethyl)-2-(hydroxymethyl)phenol having a tert-butyl group attached to the nirogen atom. It acts as a beta-adrenergic agonist used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). | 2.97 | 4 | 0 | phenols; phenylethanolamines; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; environmental contaminant; xenobiotic |
alendronate alendronic acid : A 1,1-bis(phosphonic acid) that is methanebis(phosphonic acid) in which the two methylene hydrogens are replaced by hydroxy and 3-aminopropyl groups. | 2.05 | 1 | 0 | 1,1-bis(phosphonic acid); primary amino compound | bone density conservation agent; EC 2.5.1.1 (dimethylallyltranstransferase) inhibitor |
alfuzosin alfuzosin: structure given in first source | 2.05 | 1 | 0 | monocarboxylic acid amide; quinazolines; tetrahydrofuranol | alpha-adrenergic antagonist; antihypertensive agent; antineoplastic agent |
tocopheroxy radical tocopheroxy radical: RN given refers to radical ion (1+), (2R-(2R*(4R*,8R*)))-isomer; RN for cpd without isomeric designation not available 12/90 | 2.31 | 1 | 0 | tocopherol | |
alprazolam Alprazolam: A triazolobenzodiazepine compound with antianxiety and sedative-hypnotic actions, that is efficacious in the treatment of PANIC DISORDERS, with or without AGORAPHOBIA, and in generalized ANXIETY DISORDERS. (From AMA Drug Evaluations Annual, 1994, p238). alprazolam : A member of the class of triazolobenzodiazepines that is 4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine carrying methyl, phenyl and chloro substituents at positions 1, 6 and 8 respectively. Alprazolam is only found in individuals that have taken this drug. | 2.05 | 1 | 0 | organochlorine compound; triazolobenzodiazepine | anticonvulsant; anxiolytic drug; GABA agonist; muscle relaxant; sedative; xenobiotic |
alprenolol Alprenolol: One of the ADRENERGIC BETA-ANTAGONISTS used as an antihypertensive, anti-anginal, and anti-arrhythmic agent.. alprenolol : A secondary alcohol that is propan-2-ol substituted by a 2-allylphenoxy group at position 1 and an isopropylamino group at position 3. It is a beta-adrenergic antagonist used as a antihypertensive, anti-arrhythmia and a sympatholytic agent. | 2.08 | 1 | 0 | secondary alcohol; secondary amino compound | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
altretamine Altretamine: A hexamethyl-2,4,6-triamine derivative of 1,3,5-triazine. | 2.04 | 1 | 0 | triamino-1,3,5-triazine | |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.74 | 3 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
ambroxol Ambroxol: A metabolite of BROMHEXINE that stimulates mucociliary action and clears the air passages in the respiratory tract. It is usually administered as the hydrochloride. | 2.45 | 2 | 0 | aromatic amine | |
ametantrone ametantrone: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | | |
diatrizoic acid Diatrizoate: A commonly used x-ray contrast medium. As DIATRIZOATE MEGLUMINE and as Diatrizoate sodium, it is used for gastrointestinal studies, angiography, and urography.. amidotrizoic acid : A member of the class of benzoic acids that is benzoic acid having iodo substituents at the 2-, 4- and 6-positions and acetamido substituents at the 3- and 5-positions. It is used, mainly as its N-methylglucamine and sodium salts, as an X-ray contrast medium in gastrointestinal studies, angiography, and urography. | 2.38 | 2 | 0 | acetamides; benzoic acids; organoiodine compound | environmental contaminant; radioopaque medium; xenobiotic |
aminoglutethimide Aminoglutethimide: An aromatase inhibitor that is used in the treatment of advanced BREAST CANCER.. aminoglutethimide : A dicarboximide that is a six-membered cyclic compound having ethyl and 4-aminophenyl substituents at the 3-position. | 3.15 | 5 | 0 | dicarboximide; piperidones; substituted aniline | adrenergic agent; anticonvulsant; antineoplastic agent; EC 1.14.14.14 (aromatase) inhibitor |
pimagedine pimagedine: diamine oxidase & nitric oxide synthase inhibitor; an advanced glycosylation end product inhibitor; used in the treatment of diabetic complications; structure. aminoguanidine : A one-carbon compound whose unique structure renders it capable of acting as a derivative of hydrazine, guanidine or formamide. | 2.05 | 1 | 0 | guanidines; one-carbon compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 1.4.3.4 (monoamine oxidase) inhibitor |
theophylline [no description available] | 3.17 | 5 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
2-aminothiazole 2-aminothiazole: RN given refers to parent cpd; structure. 1,3-thiazol-2-amine : A primary amino compound that is 1,3-thiazole substituted by an amino group at position 2. | 2.04 | 1 | 0 | 1,3-thiazoles; primary amino compound | |
amiodarone Amiodarone: An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance.. amiodarone : A member of the class of 1-benzofurans that is 1-benzofuran substituted by a butyl group at position 2 and a 4-[2-(diethylamino)ethoxy]-3,5-diiodobenzoyl group at position 3. It is a cardiovascular drug used for the treatment of cardiac dysrhythmias. | 4.22 | 5 | 0 | 1-benzofurans; aromatic ketone; organoiodine compound; tertiary amino compound | cardiovascular drug |
dan 2163 [no description available] | 2.08 | 1 | 0 | aromatic amide; aromatic amine; benzamides; pyrrolidines; sulfone | environmental contaminant; second generation antipsychotic; xenobiotic |
amitriptyline Amitriptyline: Tricyclic antidepressant with anticholinergic and sedative properties. It appears to prevent the re-uptake of norepinephrine and serotonin at nerve terminals, thus potentiating the action of these neurotransmitters. Amitriptyline also appears to antagonize cholinergic and alpha-1 adrenergic responses to bioactive amines.. amitriptyline : An organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(dimethylamino)propylidene group at position 5. | 2.97 | 4 | 0 | carbotricyclic compound; tertiary amine | adrenergic uptake inhibitor; antidepressant; environmental contaminant; tropomyosin-related kinase B receptor agonist; xenobiotic |
amlexanox amlexanox: SRA-A antagonist;structure given in first source. amlexanox : A pyridochromene-derived monocarboxylic acid having an amino substituent at the 2-position, an oxo substituent at the 5-position and an isopropyl substituent at the 7-position. | 2.08 | 1 | 0 | monocarboxylic acid; pyridochromene | anti-allergic agent; anti-ulcer drug; non-steroidal anti-inflammatory drug |
amlodipine Amlodipine: A long-acting dihydropyridine calcium channel blocker. It is effective in the treatment of ANGINA PECTORIS and HYPERTENSION.. amlodipine : A fully substituted dialkyl 1,4-dihydropyridine-3,5-dicarboxylate derivative, which is used for the treatment of hypertension, chronic stable angina and confirmed or suspected vasospastic angina. | 2.97 | 4 | 0 | dihydropyridine; ethyl ester; methyl ester; monochlorobenzenes; primary amino compound | antihypertensive agent; calcium channel blocker; vasodilator agent |
amobarbital Amobarbital: A barbiturate with hypnotic and sedative properties (but not antianxiety). Adverse effects are mainly a consequence of dose-related CNS depression and the risk of dependence with continued use is high. (From Martindale, The Extra Pharmacopoeia, 30th ed, p565). amobarbital : A member of the class of barbiturates that is pyrimidine-2,4,6(1H,3H,5H)-trione substituted by a 3-methylbutyl and an ethyl group at position 5. Amobarbital has been shown to exhibit sedative and hypnotic properties. | 2.05 | 1 | 0 | barbiturates | |
amoxapine Amoxapine: The N-demethylated derivative of the antipsychotic agent LOXAPINE that works by blocking the reuptake of norepinephrine, serotonin, or both; it also blocks dopamine receptors. Amoxapine is used for the treatment of depression.. amoxapine : A dibenzooxazepine compound having a chloro substituent at the 2-position and a piperazin-1-yl group at the 11-position. | 2.08 | 1 | 0 | dibenzooxazepine | adrenergic uptake inhibitor; antidepressant; dopaminergic antagonist; geroprotector; serotonin uptake inhibitor |
amsacrine Amsacrine: An aminoacridine derivative that intercalates into DNA and is used as an antineoplastic agent.. amsacrine : A sulfonamide that is N-phenylmethanesulfonamide substituted by a methoxy group at position 3 and an acridin-9-ylamino group at position 4. It exhibits antineoplastic activity. | 2.47 | 2 | 0 | acridines; aromatic ether; sulfonamide | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
anastrozole [no description available] | 2.47 | 2 | 0 | nitrile; triazoles | antineoplastic agent; EC 1.14.14.14 (aromatase) inhibitor |
anethole trithione Anethole Trithione: Choleretic used to allay dry mouth and constipation due to tranquilizers. | 2.05 | 1 | 0 | methoxybenzenes | |
antazoline Antazoline: An antagonist of histamine H1 receptors.. antazoline : A member of the class of imidazolines that is 2-aminomethyl-2-imidazoline in which the exocyclic amino hydrogens are replaced by benzyl and phenyl groups. Antazoline is only found in individuals that have taken the drug. | 2.04 | 1 | 0 | aromatic amine; imidazolines; tertiary amino compound | cholinergic antagonist; H1-receptor antagonist; xenobiotic |
anthralin Anthralin: An anthracene derivative that disrupts MITOCHONDRIA function and structure and is used for the treatment of DERMATOSES, especially PSORIASIS. It may cause FOLLICULITIS.. anthralin : An anthracene compound derived by the substitution of -OH groups for hydrogen at C-1 and C-8, and with an oxo group at C-9. | 2.95 | 4 | 0 | anthracenes | antipsoriatic |
antipyrine Antipyrine: An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29). antipyrine : A pyrazolone derivative that is 1,2-dihydropyrazol-3-one substituted with methyl groups at N-1 and C-5 and with a phenyl group at N-2. | 2.38 | 2 | 0 | pyrazolone | antipyretic; cyclooxygenase 3 inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
aprindine Aprindine: A class Ib anti-arrhythmia agent used to manage ventricular and supraventricular arrhythmias. | 2.05 | 1 | 0 | indanes | |
aspirin Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 3.11 | 5 | 0 | benzoic acids; phenyl acetates; salicylates | anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent |
astemizole Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects.. astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. | 2.52 | 2 | 0 | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
atenolol Atenolol: A cardioselective beta-1 adrenergic blocker possessing properties and potency similar to PROPRANOLOL, but without a negative inotropic effect.. atenolol : An ethanolamine compound having a (4-carbamoylmethylphenoxy)methyl group at the 1-position and an N-isopropyl substituent. | 3.17 | 5 | 0 | ethanolamines; monocarboxylic acid amide; propanolamine | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; environmental contaminant; sympatholytic agent; xenobiotic |
azathioprine Azathioprine: An immunosuppressive agent used in combination with cyclophosphamide and hydroxychloroquine in the treatment of rheumatoid arthritis. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance has been listed as a known carcinogen. (Merck Index, 11th ed). azathioprine : A thiopurine that is 6-mercaptopurine in which the mercapto hydrogen is replaced by a 1-methyl-4-nitroimidazol-5-yl group. It is a prodrug for mercaptopurine and is used as an immunosuppressant, prescribed for the treatment of inflammatory conditions and after organ transplantation and also for treatment of Crohn's didease and MS. | 2.97 | 4 | 0 | aryl sulfide; C-nitro compound; imidazoles; thiopurine | antimetabolite; antineoplastic agent; carcinogenic agent; DNA synthesis inhibitor; hepatotoxic agent; immunosuppressive agent; prodrug |
azinphosmethyl Azinphosmethyl: An organothiophosphorus cholinesterase inhibitor. It has been used as an acaricide and as an insecticide.. azinphos-methyl : A member of the class of benzotriazines that is 1,2,3-benzotriazine substituted by an oxo group at position 4 and a [(dimethoxyphosphorothioyl)sulfanyl]methyl group at position 3. | 2.04 | 1 | 0 | benzotriazines; organic thiophosphate; organothiophosphate insecticide | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor |
baclofen [no description available] | 2.47 | 2 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid; monochlorobenzenes; primary amino compound | central nervous system depressant; GABA agonist; muscle relaxant |
barbital 5,5-diethylbarbituric acid : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by two ethyl groups. Formerly used as a hypnotic (sleeping aid). | 2.45 | 2 | 0 | barbiturates | drug allergen |
bendazac bendazac : A monocarboxylic acid that is glycolic acid in which the hydrogen attached to the 2-hydroxy group is replaced by a 1-benzyl-1H-indazol-3-yl group. Although it has anti-inflammatory, antinecrotic, choleretic and antilipidaemic properties and has been used for the treatment of various inflammatory skin disorders, its principal effect is to inhibit the denaturation of proteins. Its lysine salt is used in the management of cataracts. | 2.05 | 1 | 0 | indazoles; monocarboxylic acid | non-steroidal anti-inflammatory drug; radical scavenger |
bendroflumethiazide Bendroflumethiazide: A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. It has been used in the treatment of familial hyperkalemia, hypertension, edema, and urinary tract disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p810). bendroflumethiazide : A sulfonamide consisting of 7-sulfamoyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide in which the hydrogen at position 6 is substituted by a trifluoromethyl group and that at position 3 is substituted by a benzyl group. | 2.04 | 1 | 0 | benzothiadiazine; sulfonamide | antihypertensive agent; diuretic |
benzamide benzamide : An aromatic amide that consists of benzene bearing a single carboxamido substituent. The parent of the class of benzamides. | 2.04 | 1 | 0 | benzamides | |
benzbromarone Benzbromarone: Uricosuric that acts by increasing uric acid clearance. It is used in the treatment of gout.. benzbromarone : 1-Benzofuran substituted at C-2 and C-3 by an ethyl group and a 3,5-dibromo-4-hydroxybenzoyl group respectively. An inhibitor of CYP2C9, it is used as an anti-gout medication. | 3.88 | 3 | 0 | 1-benzofurans; aromatic ketone | uricosuric drug |
benzocaine Benzocaine: A surface anesthetic that acts by preventing transmission of impulses along NERVE FIBERS and at NERVE ENDINGS.. dextran sulfate sodium : An organic sodium salt of dextran sulfate. It induces colitis in mice.. benzocaine : A benzoate ester having 4-aminobenzoic acid as the acid component and ethanol as the alcohol component. A surface anaesthetic, it is used to suppress the gag reflex, and as a lubricant and topical anaesthetic on the larynx, mouth, nasal cavity, respiratory tract, oesophagus, rectum, urinary tract, and vagina. | 2.66 | 3 | 0 | benzoate ester; substituted aniline | allergen; antipruritic drug; sensitiser; topical anaesthetic |
benzquinamide [no description available] | 2.04 | 1 | 0 | monocarboxylic acid amide | antiemetic; antipsychotic agent; H1-receptor antagonist; muscarinic antagonist; sedative |
bepridil Bepridil: A long-acting calcium-blocking agent with significant anti-anginal activity. The drug produces significant coronary vasodilation and modest peripheral effects. It has antihypertensive and selective anti-arrhythmia activities and acts as a calmodulin antagonist.. bepridil : A tertiary amine in which the substituents on nitrogen are benzyl, phenyl and 3-(2-methylpropoxy)-2-(pyrrolidin-1-yl)propyl. | 2.45 | 2 | 0 | pyrrolidines; tertiary amine | anti-arrhythmia drug; antihypertensive agent; calcium channel blocker; vasodilator agent |
bethanidine Bethanidine: A guanidinium antihypertensive agent that acts by blocking adrenergic transmission. The precise mode of action is not clear. | 2.04 | 1 | 0 | guanidines | adrenergic antagonist; antihypertensive agent |
betaxolol [no description available] | 2.44 | 2 | 0 | propanolamine | antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
bicalutamide bicalutamide: approved for treatment of advanced prostate cancer. N-[4-cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanamide : A member of the class of (trifluoromethyl)benzenes that is 4-amino-2-(trifluoromethyl)benzonitrile in which one of the amino hydrogens is substituted by a 3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanoyl group.. bicalutamide : A racemate comprising of equal amounts of (R)-bicalutamide and (S)-bicalutamide. It is an oral non-steroidal antiandrogen used in the treatment of prostate cancer and hirsutism. | 2.47 | 2 | 0 | (trifluoromethyl)benzenes; monocarboxylic acid amide; monofluorobenzenes; nitrile; sulfone; tertiary alcohol | |
bay h 4502 bifonazole : A racemate comprising equimolar amounts of R- and S-bifonazole. It is a broad spectrum antifungal drug used for the treatment of fungal skin and nail infections.. 1-[biphenyl-4-yl(phenyl)methyl]imidazole : A member of the class of imidazoles carrying an alpha-(biphenyl-4-yl)benzyl substituent at position 1. | 2.8 | 3 | 0 | biphenyls; imidazoles | |
bisacodyl Bisacodyl: A diphenylmethane stimulant laxative used for the treatment of CONSTIPATION and for bowel evacuation. (From Martindale, The Extra Pharmacopoeia, 30th ed, p871) | 2.46 | 2 | 0 | diarylmethane | |
bisoprolol Bisoprolol: A cardioselective beta-1 adrenergic blocker. It is effective in the management of HYPERTENSION and ANGINA PECTORIS. | 2.74 | 3 | 0 | secondary alcohol; secondary amine | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
bretylium bretylium: RN given refers to parent cpd. bretylium : A quaternary ammonium cation having 2-bromobenzyl, ethyl and two methyl groups attached to the nitrogen. It blocks noradrenaline release from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular tachycardia and ventricular fibrillation. | 2.05 | 1 | 0 | quaternary ammonium ion | adrenergic antagonist; anti-arrhythmia drug; antihypertensive agent |
bromhexine Bromhexine: A mucolytic agent used in the treatment of respiratory disorders associated with viscid or excessive mucus. (From Martindale, The Extra Pharmacopoeia, 30th ed, p744). bromhexine : A substituted aniline that is 2,4-dibromoaniline which is substituted at position 6 by a [cyclohexyl(methyl)amino]methyl group. It is used (as the monohydrochloride salt) as a mucolytic for the treatment of respiratory disorders associated with productive cough (i.e. a cough characterised by the production of sputum). | 2.74 | 3 | 0 | organobromine compound; substituted aniline; tertiary amino compound | mucolytic |
bromopride bromopride: RN given refers to parent cpd; structure | 2.08 | 1 | 0 | benzamides | |
bromisovalum Bromisovalum: A sedative and mild hypnotic with potentially toxic effects.. bromisoval : A racemate comprising equimolar amounts of (R)- and (S)-bromisoval. It was previously used for its hypnotic and sedative properties but the use of bromides is now deprecated due to the possibility of the toxic accumulation of bromine in the body.. 2-bromo-N-carbamoyl-3-methylbutanamide : An N-acylurea that is urea in which one of the hydrogens is replaced by a 2-bromo-3-methybutanoyl group. | 2.05 | 1 | 0 | N-acylurea; organobromine compound | |
bronopol [no description available] | 2.45 | 2 | 0 | nitro compound | |
brotizolam brotizolam: structure | 2.05 | 1 | 0 | organic molecular entity | |
broxyquinoline broxyquinoline: structure | 3.79 | 3 | 0 | organohalogen compound; quinolines | |
bumetanide [no description available] | 2.97 | 4 | 0 | amino acid; benzoic acids; sulfonamide | diuretic; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor |
bunitrolol bunitrolol: was heading 1975-94 (see under PROPANOLAMINES 1975-90); KO 1366 was see BUNITROLOL 1975-94; use PROPANOLAMINES to search BUNITROLOL 1975-94; a beta-adrenergic receptor antagonist with weak antiarrhythmic activity and minor ability to decrease the heart rate | 2.04 | 1 | 0 | aromatic ether | |
bupivacaine Bupivacaine: A widely used local anesthetic agent.. 1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide : A piperidinecarboxamide obtained by formal condensation of the carboxy group of N-butylpipecolic acid with the amino group of 2,6-dimethylaniline.. bupivacaine : A racemate composed of equimolar amounts of dextrobupivacaine and levobupivacaine. Used (in the form of its hydrochloride hydrate) as a local anaesthetic. | 2.45 | 2 | 0 | aromatic amide; piperidinecarboxamide; tertiary amino compound | |
bupranolol Bupranolol: An adrenergic-beta-2 antagonist that has been used for cardiac arrhythmia, angina pectoris, hypertension, glaucoma, and as an antithrombotic. | 2.04 | 1 | 0 | aromatic ether | |
buspirone Buspirone: An anxiolytic agent and serotonin receptor agonist belonging to the azaspirodecanedione class of compounds. Its structure is unrelated to those of the BENZODIAZAPINES, but it has an efficacy comparable to DIAZEPAM.. buspirone : An azaspiro compound that is 8-azaspiro[4.5]decane-7,9-dione substituted at the nitrogen atom by a 4-(piperazin-1-yl)butyl group which in turn is substituted by a pyrimidin-2-yl group at the N(4) position. | 2.45 | 2 | 0 | azaspiro compound; N-alkylpiperazine; N-arylpiperazine; organic heteropolycyclic compound; piperidones; pyrimidines | anxiolytic drug; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; sedative; serotonergic agonist |
busulfan [no description available] | 2.75 | 3 | 0 | methanesulfonate ester | alkylating agent; antineoplastic agent; carcinogenic agent; insect sterilant; teratogenic agent |
butalbital butalbital: management of butalbital withdrawal can be simplified by using a phenobarbital-loading protocol; RN given refers to parent cpd. butalbital : A member of the class of barbiturates that is barbituric acid in which the hydrogens at position 5 are substituted by an allyl group and an isobutyl group. Frequently combined with other medicines, such as aspirin, paracetamol and codeine, it is used for treatment of pain and headache. | 2.45 | 2 | 0 | barbiturates | analgesic; sedative |
caffeine [no description available] | 3.16 | 5 | 0 | purine alkaloid; trimethylxanthine | adenosine A2A receptor antagonist; adenosine receptor antagonist; adjuvant; central nervous system stimulant; diuretic; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; environmental contaminant; food additive; fungal metabolite; geroprotector; human blood serum metabolite; mouse metabolite; mutagen; plant metabolite; psychotropic drug; ryanodine receptor agonist; xenobiotic |
verapamil Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 3.35 | 6 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
metrizoate Metrizoic Acid: A diagnostic radiopaque that usually occurs as the sodium salt. | 2.04 | 1 | 0 | monocarboxylic acid | radioopaque medium |
candesartan cilexetil candesartan cilexetil: a prodrug which is metabolized to an active form candesartan to exert its biological effects | 2.05 | 1 | 0 | biphenyls | |
carbamazepine Carbamazepine: A dibenzazepine that acts as a sodium channel blocker. It is used as an anticonvulsant for the treatment of grand mal and psychomotor or focal SEIZURES. It may also be used in the management of BIPOLAR DISORDER, and has analgesic properties.. carbamazepine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine carrying a carbamoyl substituent at the azepine nitrogen, used as an anticonvulsant. | 3.17 | 5 | 0 | dibenzoazepine; ureas | analgesic; anticonvulsant; antimanic drug; drug allergen; EC 3.5.1.98 (histone deacetylase) inhibitor; environmental contaminant; glutamate transporter activator; mitogen; non-narcotic analgesic; sodium channel blocker; xenobiotic |
carbazochrome carbazochrome: a hemostatic which increases capillary resistance & activates platelet factors, Note: Adona is a multimeaning tradename | 2.04 | 1 | 0 | | |
carbinoxamine carbinoxamine: Note: tradenames that start with Histex refer to more than one drug. carbinoxamine : An organochlorine compound that is 2-(4-chlorobenzyl)pyridine in which one of the benzylic hydrogens is substituted by 2-(dimethylamino)ethoxy group. It is an ethanolamine-type antihistamine, used as its maleate salt for treating hay fever, as well as mild cases of Parkinson's disease. | 2.04 | 1 | 0 | monochlorobenzenes; pyridines; tertiary amino compound | anti-allergic agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist |
carbazilquinone Carbazilquinone: An alkylating agent structurally similar to MITOMYCIN and found to be effective in the treatment of leukemia and various other neoplasms in mice. It causes leukemia and thrombocytopenia in almost all human patients. | 2.04 | 1 | 0 | organic molecular entity | |
carisoprodol Carisoprodol: A centrally acting skeletal muscle relaxant whose mechanism of action is not completely understood but may be related to its sedative actions. It is used as an adjunct in the symptomatic treatment of musculoskeletal conditions associated with painful muscle spasm. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1202). carisoprodol : A carbamate ester that is the mono-N-isopropyl derivative of meprobamate (which is a significant metabolite). Carisoprodol interrupts neuronal communication within the reticular formation and spinal cord, resulting in sedation and alteration in pain perception. It is used as a muscle relaxant in the symptomatic treatment of musculoskeletal conditions associated with painful muscle spasm. | 2.05 | 1 | 0 | carbamate ester | muscle relaxant |
carmofur [no description available] | 2.04 | 1 | 0 | organohalogen compound; pyrimidines | |
carmustine Carmustine: A cell-cycle phase nonspecific alkylating antineoplastic agent. It is used in the treatment of brain tumors and various other malignant neoplasms. (From Martindale, The Extra Pharmacopoeia, 30th ed, p462) This substance may reasonably be anticipated to be a carcinogen according to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (From Merck Index, 11th ed). carmustine : A member of the class of N-nitrosoureas that is 1,3-bis(2-chloroethyl)urea in which one of the nitrogens is substituted by a nitroso group. | 3.15 | 5 | 0 | N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic agent |
carprofen carprofen: RN given refers to cpd without isomeric designation. carprofen : Propanoic acid in which one of the methylene hydrogens is substituted by a 6-chloro-9H-carbazol-2-yl group. A non-steroidal anti-inflammatory drug, it is no longer used in human medicine but is still used for treatment of arthritis in elderly dogs. | 2.47 | 2 | 0 | carbazoles; organochlorine compound | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug; photosensitizing agent |
carteolol Carteolol: A beta-adrenergic antagonist used as an anti-arrhythmia agent, an anti-angina agent, an antihypertensive agent, and an antiglaucoma agent. | 2.45 | 2 | 0 | quinolone; secondary alcohol | anti-arrhythmia drug; antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
carvedilol [no description available] | 3.86 | 3 | 0 | carbazoles; secondary alcohol; secondary amino compound | alpha-adrenergic antagonist; antihypertensive agent; beta-adrenergic antagonist; cardiovascular drug; vasodilator agent |
celecoxib [no description available] | 2.47 | 2 | 0 | organofluorine compound; pyrazoles; sulfonamide; toluenes | cyclooxygenase 2 inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
celiprolol Celiprolol: A cardioselective beta-1 adrenergic antagonist that has intrinsic sympathomimetic activity. It is used in the management of ANGINA PECTORIS and HYPERTENSION. | 2.04 | 1 | 0 | aromatic ketone | |
cetirizine Cetirizine: A potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects.. cetirizine : A member of the class of piperazines that is piperazine in which the hydrogens attached to nitrogen are replaced by a (4-chlorophenyl)(phenyl)methyl and a 2-(carboxymethoxy)ethyl group respectively. | 2.05 | 1 | 0 | ether; monocarboxylic acid; monochlorobenzenes; piperazines | anti-allergic agent; environmental contaminant; H1-receptor antagonist; xenobiotic |
chloral hydrate [no description available] | 2.45 | 2 | 0 | aldehyde hydrate; ethanediol; organochlorine compound | general anaesthetic; mouse metabolite; sedative; xenobiotic |
chlorambucil Chlorambucil: A nitrogen mustard alkylating agent used as antineoplastic for chronic lymphocytic leukemia, Hodgkin's disease, and others. Although it is less toxic than most other nitrogen mustards, it has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (Merck Index, 11th ed). chlorambucil : A monocarboxylic acid that is butanoic acid substituted at position 4 by a 4-[bis(2-chloroethyl)amino]phenyl group. A chemotherapy drug that can be used in combination with the antibody obinutuzumab for the treatment of chronic lymphocytic leukemia. | 2.75 | 3 | 0 | aromatic amine; monocarboxylic acid; nitrogen mustard; organochlorine compound; tertiary amino compound | alkylating agent; antineoplastic agent; carcinogenic agent; drug allergen; immunosuppressive agent |
chlorcyclizine chlorcyclizine: was heading 1964-94 (Prov 1964-73); CHLOROCYCLIZINE & HISTACHLORAZINE were see CHLORCYCLIZINE 1977-94; use PIPERAZINES to search CHLORCYCLIZINE 1966-94; histamine H1-blocker used both orally and topically in allergies and also for the prevention of motion sickness | 2.04 | 1 | 0 | diarylmethane | |
chlordiazepoxide Chlordiazepoxide: An anxiolytic benzodiazepine derivative with anticonvulsant, sedative, and amnesic properties. It has also been used in the symptomatic treatment of alcohol withdrawal.. chlordiazepoxide : A benzodiazepine that is 3H-1,4-benzodiazepine 4-oxide substituted by a chloro group at position 7, a phenyl group at position 5 and a methylamino group at position 2. | 2.76 | 3 | 0 | benzodiazepine | |
chlormezanone Chlormezanone: A non-benzodiazepine that is used in the management of anxiety. It has been suggested for use in the treatment of muscle spasm.. chlormezanone : A 1,3-thiazine that is 1,3-thiazinan-4-one S,S-dioxide in which a hydrogen at position 2 is substituted by a 4-chlorophenyl group and the hydrogen attached to the nitrogen is substituted by methyl. A non-benzodiazepine muscle relaxant, it was used in the management of anxiety and in the treatment of muscle spasms until being discontinued worldwide by its manufacturer in 1996, due to rare but serious cutaneous reactions. | 2.05 | 1 | 0 | 1,3-thiazine; lactam; monochlorobenzenes; sulfone | antipsychotic agent; anxiolytic drug; muscle relaxant |
chloroquine Chloroquine: The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.. chloroquine : An aminoquinoline that is quinoline which is substituted at position 4 by a [5-(diethylamino)pentan-2-yl]amino group at at position 7 by chlorine. It is used for the treatment of malaria, hepatic amoebiasis, lupus erythematosus, light-sensitive skin eruptions, and rheumatoid arthritis. | 10.84 | 18 | 0 | aminoquinoline; organochlorine compound; secondary amino compound; tertiary amino compound | anticoronaviral agent; antimalarial; antirheumatic drug; autophagy inhibitor; dermatologic drug |
chlorothiazide Chlorothiazide: A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p812). thiazide : Heterocyclic compound with sulfur and nitrogen in the ring.. chlorothiazide : 4H-1,2,4-benzothiadiazine 1,1-dioxide in which the hydrogen at position is substituted by chlorine and that at position 7 is substituted by a sulfonamide group. A diuretic, it is used for treatment of oedema and hypertension. | 2.44 | 2 | 0 | benzothiadiazine | antihypertensive agent; diuretic |
chloroxine chloroxine : A monohydroxyquinoline that is quinolin-8-ol in which the hydrogens at positions 5 and 7 have been substituted by chlorine. A synthetic antibacterial prepared by chlorination of quinolin-8-ol, it is used for the treatment of dandruff and seborrhoeic dermatitis of the scalp. | 4.04 | 4 | 0 | monohydroxyquinoline; organochlorine compound | antibacterial agent; antifungal drug; antiseborrheic |
chloroxylenol chloroxylenol: topical antiseptic; RN given refers to parent cpd; structure. 4-chloro-3,5-dimethylphenol : A member of the class of phenols that is 3,5-xylenol which is substituted at position 4 by chlorine. It is bactericidal against most Gram-positive bacteria but less effective against Staphylococci and Gram-negative bacteria, and often inactive against Pseudomonas species. It is ineffective against bacterial spores. | 2.05 | 1 | 0 | monochlorobenzenes; phenols | antiseptic drug; disinfectant; molluscicide |
chlorpheniramine Chlorpheniramine: A histamine H1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. It has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than PROMETHAZINE.. chlorphenamine : A tertiary amino compound that is propylamine which is substituted at position 3 by a pyridin-2-yl group and a p-chlorophenyl group and in which the hydrogens attached to the nitrogen are replaced by methyl groups. A histamine H1 antagonist, it is used to relieve the symptoms of hay fever, rhinitis, urticaria, and asthma. | 2.47 | 2 | 0 | monochlorobenzenes; pyridines; tertiary amino compound | anti-allergic agent; antidepressant; antipruritic drug; H1-receptor antagonist; histamine antagonist; serotonin uptake inhibitor |
chlorpromazine Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup.. chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. | 3.55 | 8 | 0 | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
chlorpropamide Chlorpropamide: A sulfonylurea hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. (From Martindale, The Extra Pharmacopoeia, 30th ed, p277). chlorpropamide : An N-sulfonylurea that is urea in which a hydrogen attached to one of the nitrogens is substituted by 4-chlorobenzenesulfonyl group and a hydrogen attached to the other nitrogen is substituted by propyl group. Chlorpropamide is a hypoglycaemic agent used in the treatment of type 2 (non-insulin-dependent) diabetes mellitus not responding to dietary modification. | 3.15 | 5 | 0 | monochlorobenzenes; N-sulfonylurea | hypoglycemic agent; insulin secretagogue |
chlorthalidone Chlorthalidone: A benzenesulfonamide-phthalimidine that tautomerizes to a BENZOPHENONES form. It is considered a thiazide-like diuretic. | 2.75 | 3 | 0 | isoindoles; monochlorobenzenes; sulfonamide | |
chlorzoxazone Chlorzoxazone: A centrally acting central muscle relaxant with sedative properties. It is claimed to inhibit muscle spasm by exerting an effect primarily at the level of the spinal cord and subcortical areas of the brain. (From Martindale, The Extra Pharmacopoea, 30th ed, p1202). chlorzoxazone : A member of the class of 1,3-benzoxazoles that is 1,3-benzoxazol-2-ol in which the hydrogen atom at position 5 is substituted by chlorine. A centrally acting muscle relaxant with sedative properties, it is used for the symptomatic treatment of painful muscle spasm. | 2.47 | 2 | 0 | 1,3-benzoxazoles; heteroaryl hydroxy compound; organochlorine compound | muscle relaxant; sedative |
cifenline [no description available] | 2.08 | 1 | 0 | diarylmethane | |
ciclopirox [no description available] | 3.3 | 5 | 0 | cyclic hydroxamic acid; hydroxypyridone antifungal drug; pyridone | antibacterial agent; antiseborrheic |
ciglitazone ciglitazone: structure given in second source; PPAR agonist used for type II diabetes. ciglitazone : An aromatic ether that consists of 1,3-thiazolidine-2,4-dione with position 5 substituted by a 4-[(1-methylcyclohexyl)methoxy]benzyl group. A selective PPARgamma agonist. | 2.08 | 1 | 0 | aromatic ether; thiazolidinone | antineoplastic agent; insulin-sensitizing drug |
cilostazol [no description available] | 2.08 | 1 | 0 | lactam; tetrazoles | anticoagulant; bronchodilator agent; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; fibrin modulating drug; neuroprotective agent; platelet aggregation inhibitor; vasodilator agent |
cimetidine Cimetidine: A histamine congener, it competitively inhibits HISTAMINE binding to HISTAMINE H2 RECEPTORS. Cimetidine has a range of pharmacological actions. It inhibits GASTRIC ACID secretion, as well as PEPSIN and GASTRIN output.. cimetidine : A member of the class of guanidines that consists of guanidine carrying a methyl substituent at position 1, a cyano group at position 2 and a 2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl group at position 3. It is a H2-receptor antagonist that inhibits the production of acid in stomach. | 3.15 | 5 | 0 | aliphatic sulfide; guanidines; imidazoles; nitrile | adjuvant; analgesic; anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
cinoxacin Cinoxacin: Synthetic antimicrobial related to OXOLINIC ACID and NALIDIXIC ACID and used in URINARY TRACT INFECTIONS.. cinoxacin : A member of the class of cinnolines that is 6,7-methylenedioxycinnolin-4(1H)-one bearing an ethyl group at position 1 and a carboxylic acid group at position 3. An analogue of oxolinic acid, it has similar antibacterial actions. It was formerly used for the treatment of urinary tract infections. | 2.05 | 1 | 0 | cinnolines; oxacycle; oxo carboxylic acid | antibacterial drug; antiinfective agent |
ciprofibrate [no description available] | 2.75 | 3 | 0 | cyclopropanes; monocarboxylic acid; organochlorine compound | antilipemic drug |
ciprofloxacin Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively. | 4.37 | 4 | 1 | aminoquinoline; cyclopropanes; fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone; zwitterion | antibacterial drug; antiinfective agent; antimicrobial agent; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; environmental contaminant; topoisomerase IV inhibitor; xenobiotic |
cisapride Cisapride: A substituted benzamide used for its prokinetic properties. It is used in the management of gastroesophageal reflux disease, functional dyspepsia, and other disorders associated with impaired gastrointestinal motility. (Martindale The Extra Pharmacopoeia, 31st ed). cisapride : The amide resulting from formal condensation of 4-amino-5-chloro-2-methoxybenzoic acid with cis-1-[3-(4-fluorophenoxy)propyl]-3-methoxypiperidin-4-amine. It has been used (as its monohydrate or as its tartrate) for the treatment of gastro-oesophageal reflux disease and for non-ulcer dyspepsia, but its propensity to cause cardiac arrhythmias resulted in its complete withdrawal from many countries, including the U.K., and restrictions on its use elsewhere. | 2.05 | 1 | 0 | benzamides | |
citalopram Citalopram: A furancarbonitrile that is one of the serotonin uptake inhibitors used as an antidepressant. The drug is also effective in reducing ethanol uptake in alcoholics and is used in depressed patients who also suffer from TARDIVE DYSKINESIA in preference to tricyclic antidepressants, which aggravate dyskinesia.. citalopram : A racemate comprising equimolar amounts of (R)-citalopram and its enantiomer, escitalopram. It is used as an antidepressant, although only escitalopram is active.. 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile : A nitrile that is 1,3-dihydro-2-benzofuran-5-carbonitrile in which one of the hydrogens at position 1 is replaced by a p-fluorophenyl group, while the other is replaced by a 3-(dimethylamino)propyl group. | 2.97 | 4 | 0 | 2-benzofurans; cyclic ether; nitrile; organofluorine compound; tertiary amino compound | |
clenbuterol Clenbuterol: A substituted phenylaminoethanol that has beta-2 adrenomimetic properties at very low doses. It is used as a bronchodilator in asthma.. clenbuterol : A substituted aniline that is 2,6-dichloroaniline in which the hydrogen at position 4 has been replaced by a 2-(tert-butylamino)-1-hydroxyethyl group. | 2.45 | 2 | 0 | amino alcohol; dichlorobenzene; ethanolamines; primary arylamine; secondary amino compound; substituted aniline | beta-adrenergic agonist; bronchodilator agent; sympathomimetic agent |
clobazam Clobazam: A benzodiazepine derivative that is a long-acting GABA-A RECEPTOR agonist. It is used as an antiepileptic in the treatment of SEIZURES, including seizures associated with LENNOX-GASTAUT SYNDROME. It is also used as an anxiolytic, for the short-term treatment of acute ANXIETY.. clobazam : 7-Chloro-1H-1,5-benzodiazepine-2,4(3H,5H)-dione in which the hydrogen attached to the nitrogen at position 1 is substituted by a methyl group, whilst that attached to the other nitrogen is substituted by a phenyl group. It is used for the short-term management of acute anxiety and as an adjunct in the treatment of epilepsy in association with other antiepileptics. | 2.47 | 2 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; GABA modulator |
clofazimine Clofazimine: A fat-soluble riminophenazine dye used for the treatment of leprosy. It has been used investigationally in combination with other antimycobacterial drugs to treat Mycobacterium avium infections in AIDS patients. Clofazimine also has a marked anti-inflammatory effect and is given to control the leprosy reaction, erythema nodosum leprosum. (From AMA Drug Evaluations Annual, 1993, p1619). clofazimine : 3-Isopropylimino-3,5-dihydro-phenazine in which the hydrogen at position 5 is substituted substituted by a 4-chlorophenyl group, and that at position 2 is substituted by a (4-chlorophenyl)amino group. A dark red crystalline solid, clofazimine is an antimycobacterial and is one of the main drugs used for the treatment of multi-bacillary leprosy. However, it can cause red/brown discolouration of the skin, so other treatments are often preferred in light-skinned patients. | 2.75 | 3 | 0 | monochlorobenzenes; phenazines | dye; leprostatic drug; non-steroidal anti-inflammatory drug |
clofibrate angiokapsul: contains clofibrate & insoitolnicotinate | 2.76 | 3 | 0 | aromatic ether; ethyl ester; monochlorobenzenes | anticholesteremic drug; antilipemic drug; geroprotector; PPARalpha agonist |
clomiphene [no description available] | 2.47 | 2 | 0 | tertiary amine | estrogen antagonist; estrogen receptor modulator |
clomipramine Clomipramine: A tricyclic antidepressant similar to IMIPRAMINE that selectively inhibits the uptake of serotonin in the brain. It is readily absorbed from the gastrointestinal tract and demethylated in the liver to form its primary active metabolite, desmethylclomipramine.. clomipramine : A dibenzoazepine that is 10,11-dihydro-5H-dibenzo[b,f]azepine which is substituted by chlorine at position 3 and in which the hydrogen attached to the nitrogen is replaced by a 3-(dimethylamino)propyl group. One of the more sedating tricyclic antidepressants, it is used as the hydrochloride salt for the treatment of depression as well as obsessive-compulsive disorder and phobias. | 2.75 | 3 | 0 | dibenzoazepine | anticoronaviral agent; antidepressant; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; serotonergic antagonist; serotonergic drug; serotonin uptake inhibitor |
clonidine Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.. clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group. | 3.48 | 7 | 0 | clonidine; imidazoline | |
4-chloro-N-(2,6-dimethyl-1-piperidinyl)-3-sulfamoylbenzamide [no description available] | 2.08 | 1 | 0 | sulfonamide | |
chlorazepate clorazepic acid : A 1,4-benzodiazepinone in which the oxo group is at position 2, and which is substituted at positions 3, 5, and 7 by carboxy, phenyl and chloro groups, respectively. | 2.05 | 1 | 0 | 1,4-benzodiazepinone | anticonvulsant; anxiolytic drug; GABA modulator; prodrug |
clotiazepam clotiazepam: was heading 1975-94 (see under AZEPINES 1978-90; was Y 6047 see under AZEPINES 1975-77); Y 6047 was see CLOTIAZEPAM 1978-94; use AZEPINES to search CLOTIAZEPAM 1975-94; thienodiazepine derivative with actions similar to those of benzodiazepines | 2.05 | 1 | 0 | organic molecular entity | |
clotrimazole [no description available] | 4.53 | 7 | 0 | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic |
cloxyquin cloxyquin: has antitubercular activity; structure in first source | 2.9 | 4 | 0 | organochlorine compound; quinolines | |
cyclandelate Cyclandelate: A direct-acting SMOOTH MUSCLE relaxant used to dilate BLOOD VESSELS.. cyclandelate : The ester obtained by formal condensation of mandelic acid and 3,3,5-tricyclohexanol. It is a direct-acting smooth muscle relaxant used to dilate blood vessels. | 2.45 | 2 | 0 | carboxylic ester; secondary alcohol | vasodilator agent |
cyclofenil Cyclofenil: A gonadal stimulant and inducer of ovulation. It is used in the treatment of infertility and amenorrhea, but is thought to be less effective than CLOMIPHENE. | 2.04 | 1 | 0 | organic molecular entity | |
cycloleucine Cycloleucine: An amino acid formed by cyclization of leucine. It has cytostatic, immunosuppressive and antineoplastic activities.. 1-aminocyclopentanecarboxylic acid : A non-proteinogenic alpha-amino acid that is cyclopentane substituted at position 1 by amino and carboxy groups. | 2.04 | 1 | 0 | non-proteinogenic alpha-amino acid | EC 2.5.1.6 (methionine adenosyltransferase) inhibitor |
cyproheptadine Cyproheptadine: A serotonin antagonist and a histamine H1 blocker used as antipruritic, appetite stimulant, antiallergic, and for the post-gastrectomy dumping syndrome, etc.. cyproheptadine : The product resulting from the formal oxidative coupling of position 5 of 5H-dibenzo[a,d]cycloheptene with position 4 of 1-methylpiperidine resulting in the formation of a double bond between the two fragments. It is a sedating antihistamine with antimuscarinic and calcium-channel blocking actions. It is used (particularly as the hydrochloride sesquihydrate) for the relief of allergic conditions including rhinitis, conjunctivitis due to inhalant allergens and foods, urticaria and angioedema, and in pruritic skin disorders. Unlike other antihistamines, it is also a seratonin receptor antagonist, making it useful in conditions such as vascular headache and anorexia. | 2.05 | 1 | 0 | piperidines; tertiary amine | anti-allergic agent; antipruritic drug; gastrointestinal drug; H1-receptor antagonist; serotonergic antagonist |
danthron danthron: structure. chrysazin : A dihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1 and 8. | 3.59 | 2 | 0 | dihydroxyanthraquinone | apoptosis inducer; plant metabolite |
dapsone [no description available] | 3.1 | 5 | 0 | substituted aniline; sulfone | anti-inflammatory drug; antiinfective agent; antimalarial; leprostatic drug |
debrisoquin Debrisoquin: An adrenergic neuron-blocking drug similar in effects to GUANETHIDINE. It is also noteworthy in being a substrate for a polymorphic cytochrome P-450 enzyme. Persons with certain isoforms of this enzyme are unable to properly metabolize this and many other clinically important drugs. They are commonly referred to as having a debrisoquin 4-hydroxylase polymorphism. | 2.74 | 3 | 0 | carboxamidine; isoquinolines | adrenergic agent; antihypertensive agent; human metabolite; sympatholytic agent |
deferiprone Deferiprone: A pyridone derivative and iron chelator that is used in the treatment of IRON OVERLOAD in patients with THALASSEMIA.. deferiprone : A member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. | 2.13 | 1 | 0 | 4-pyridones | iron chelator; protective agent |
deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 5.05 | 7 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
desipramine Desipramine: A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively blocks reuptake of norepinephrine from the neural synapse, and also appears to impair serotonin transport. This compound also possesses minor anticholinergic activity, through its affinity to muscarinic receptors.. desipramine : A dibenzoazepine consisting of 10,11-dihydro-5H-dibenzo[b,f]azepine substituted on nitrogen with a 3-(methylamino)propyl group. | 3.34 | 6 | 0 | dibenzoazepine; secondary amino compound | adrenergic uptake inhibitor; alpha-adrenergic antagonist; antidepressant; cholinergic antagonist; drug allergen; EC 3.1.4.12 (sphingomyelin phosphodiesterase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; H1-receptor antagonist; serotonin uptake inhibitor |
nordazepam Nordazepam: An intermediate in the metabolism of DIAZEPAM to OXAZEPAM. It may have actions similar to those of diazepam.. nordazepam : A 1,4-benzodiazepinone having phenyl and chloro substituents at positions 5 and 7 respectively; it has anticonvulsant, anxiolytic, muscle relaxant and sedative properties but is used primarily in the treatment of anxiety. | 1.95 | 1 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; GABA modulator; human metabolite; sedative |
amphetamine Amphetamine: A powerful central nervous system stimulant and sympathomimetic. Amphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulation of release of monamines, and inhibiting monoamine oxidase. Amphetamine is also a drug of abuse and a psychotomimetic. The l- and the d,l-forms are included here. The l-form has less central nervous system activity but stronger cardiovascular effects. The d-form is DEXTROAMPHETAMINE.. 1-phenylpropan-2-amine : A primary amine that is isopropylamine in which a hydrogen attached to one of the methyl groups has been replaced by a phenyl group.. amphetamine : A racemate comprising equimolar amounts of (R)-amphetamine (also known as levamphetamine or levoamphetamine) and (S)-amphetamine (also known as dexamfetamine or dextroamphetamine. | 2.45 | 2 | 0 | primary amine | |
eflornithine Eflornithine: An inhibitor of ORNITHINE DECARBOXYLASE, the rate limiting enzyme of the polyamine biosynthetic pathway.. eflornithine : A fluoroamino acid that is ornithine substituted by a difluoromethyl group at position 2. | 2.05 | 1 | 0 | alpha-amino acid; fluoroamino acid | trypanocidal drug |
diazepam Diazepam: A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity.. diazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a methyl group at position 1 and a phenyl group at position 5. | 3.28 | 6 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; environmental contaminant; sedative; xenobiotic |
diazoxide Diazoxide: A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies. It lacks diuretic effect, apparently because it lacks a sulfonamide group.. diazoxide : A benzothiadiazine that is the S,S-dioxide of 2H-1,2,4-benzothiadiazine which is substituted at position 3 by a methyl group and at position 7 by chlorine. A peripheral vasodilator, it increases the concentration of glucose in the plasma and inhibits the secretion of insulin by the beta- cells of the pancreas. It is used orally in the management of intractable hypoglycaemia and intravenously in the management of hypertensive emergencies. | 2.97 | 4 | 0 | benzothiadiazine; organochlorine compound; sulfone | antihypertensive agent; beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; diuretic; K-ATP channel agonist; sodium channel blocker; sympathomimetic agent; vasodilator agent |
dicamba Dicamba: A chlorinated organic herbicide.. dicamba : A methoxybenzoic acid that is O-methylsalicylic acid substituted by chloro groups at positions 3 and 6. | 2.04 | 1 | 0 | dichlorobenzene; methoxybenzoic acid | agrochemical; environmental contaminant; herbicide; synthetic auxin; xenobiotic |
diclofenac Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt.. diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. | 2.46 | 2 | 0 | amino acid; aromatic amine; dichlorobenzene; monocarboxylic acid; secondary amino compound | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
ddt 1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 3.48 | 2 | 0 | benzenoid aromatic compound; chlorophenylethane; monochlorobenzenes; organochlorine insecticide | bridged diphenyl acaricide; carcinogenic agent; endocrine disruptor; persistent organic pollutant |
dichlorphenamide Dichlorphenamide: A carbonic anhydrase inhibitor that is used in the treatment of glaucoma.. diclofenamide : A sulfonamide that is benzene-1,3-disulfonamide in which the hydrogens at positions 4 and 5 are substituted by chlorine. An oral carbonic anhydrase inhibitor, it partially suppresses the secretion (inflow) of aqueous humor in the eye and so reduces intraocular pressure. It is used for the treatment of glaucoma. | 2.44 | 2 | 0 | dichlorobenzene; sulfonamide | antiglaucoma drug; EC 4.2.1.1 (carbonic anhydrase) inhibitor; ophthalmology drug |
dicyclomine Dicyclomine: A muscarinic antagonist used as an antispasmodic and in urinary incontinence. It has little effect on glandular secretion or the cardiovascular system. It does have some local anesthetic properties and is used in gastrointestinal, biliary, and urinary tract spasms.. dicyclomine : The ester resulting from the formal condensation of 1-cyclohexylcyclohexanecarboxylic acid with 2-(diethylamino)ethanol. An anticholinergic, it is used as the hydrochloride to treat or prevent spasm in the muscles of the gastrointestinal tract, particularly that associated with irritable bowel syndrome. | 2.04 | 1 | 0 | carboxylic ester; tertiary amine | antispasmodic drug; muscarinic antagonist; parasympatholytic |
3,4-dihydroxybenzohydroxamic acid [no description available] | 2.05 | 1 | 0 | benzoic acids | |
diethylcarbamazine Diethylcarbamazine: An anthelmintic used primarily as the citrate in the treatment of filariasis, particularly infestations with Wucheria bancrofti or Loa loa. | 2.04 | 1 | 0 | N-carbamoylpiperazine; N-methylpiperazine | |
pentetic acid Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 2.07 | 1 | 0 | pentacarboxylic acid | copper chelator |
diphenidol diphenidol: shows anti-arrhythmic activity; RN given refers to unlabeled parent cpd. diphenidol : A tertiary alcohol that is butan-1-ol substituted by two phenyl groups at position 1 and a piperidin-1-yl group at position 4. | 2.04 | 1 | 0 | benzenes; piperidines; tertiary alcohol | antiemetic |
diflunisal Diflunisal: A salicylate derivative and anti-inflammatory analgesic with actions and side effects similar to those of ASPIRIN.. diflunisal : An organofluorine compound comprising salicylic acid having a 2,4-difluorophenyl group at the 5-position. | 2.74 | 3 | 0 | monohydroxybenzoic acid; organofluorine compound | non-narcotic analgesic; non-steroidal anti-inflammatory drug |
dimercaprol Dimercaprol: An anti-gas warfare agent that is effective against Lewisite (dichloro(2-chlorovinyl)arsine) and formerly known as British Anti-Lewisite or BAL. It acts as a chelating agent and is used in the treatment of arsenic, gold, and other heavy metal poisoning.. dimercaprol : A dithiol that is propane-1,2-dithiol in which one of the methyl hydrogens is replaced by a hydroxy group. a chelating agent originally developed during World War II as an experimental antidote against the arsenic-based poison gas Lewisite, it has been used clinically since 1949 for the treatment of poisoning by arsenic, mercury and gold. It can also be used for treatment of poisoning by antimony, bismuth and possibly thallium, and (with sodium calcium edetate) in cases of acute leaad poisoning. Administration is by (painful) intramuscular injection of a suspension of dimercaprol in peanut oil, typically every 4 hours for 2-10 days depending on the toxicity. In the past, dimercaprol was also used for the treatment of Wilson's disease, a severely debilitating genetic disorder in which the body tends to retain copper, with resultant liver and brain injury. | 2.45 | 2 | 0 | dithiol; primary alcohol | chelator |
dinitolmide Dinitolmide: A coccidiostat for poultry. | 2.04 | 1 | 0 | dinitrotoluene | |
diphenhydramine Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 2.37 | 2 | 0 | ether; tertiary amino compound | anti-allergic agent; antidyskinesia agent; antiemetic; antiparkinson drug; antipruritic drug; antitussive; H1-receptor antagonist; local anaesthetic; muscarinic antagonist; oneirogen; sedative |
dipyridamole Dipyridamole: A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752). dipyridamole : A pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots. | 2.75 | 3 | 0 | piperidines; pyrimidopyrimidine; tertiary amino compound; tetrol | adenosine phosphodiesterase inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
dipyrone metamizole : A pyrazole that is antiipyrine substituted at C-4 by a methyl(sulfomethyl)amino group, the sodium salt of which, metamizole sodium, was widely used as a powerful analgesic and antipyretic, but withdrawn from many markets from the 1970s due to a risk of causing risk of causing agranulocytosis. | 2.04 | 1 | 0 | amino sulfonic acid; pyrazoles | anti-inflammatory agent; antipyretic; antirheumatic drug; cyclooxygenase 3 inhibitor; non-narcotic analgesic; peripheral nervous system drug; prodrug |
disopyramide Disopyramide: A class I anti-arrhythmic agent (one that interferes directly with the depolarization of the cardiac membrane and thus serves as a membrane-stabilizing agent) with a depressant action on the heart similar to that of guanidine. It also possesses some anticholinergic and local anesthetic properties.. disopyramide : A monocarboxylic acid amide that is butanamide substituted by a diisopropylamino group at position 4, a phenyl group at position 2 and a pyridin-2-yl group at position 2. It is used as a anti-arrhythmia drug. | 2.97 | 4 | 0 | monocarboxylic acid amide; pyridines; tertiary amino compound | anti-arrhythmia drug |
disulfiram [no description available] | 4.02 | 4 | 0 | organic disulfide; organosulfur acaricide | angiogenesis inhibitor; antineoplastic agent; apoptosis inducer; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; EC 3.1.1.1 (carboxylesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; ferroptosis inducer; fungicide; NF-kappaB inhibitor |
valproic acid Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS.. valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. | 2.74 | 3 | 0 | branched-chain fatty acid; branched-chain saturated fatty acid | anticonvulsant; antimanic drug; EC 3.5.1.98 (histone deacetylase) inhibitor; GABA agent; neuroprotective agent; psychotropic drug; teratogenic agent |
domperidone Domperidone: A specific blocker of dopamine receptors. It speeds gastrointestinal peristalsis, causes prolactin release, and is used as antiemetic and tool in the study of dopaminergic mechanisms.. domperidone : 1-[3-(Piperidin-1-yl)propyl]-1,3-dihydro-2H-benzimidazol-2-one in which the 4-position of the piperidine ring is substituted by a 5-chloro-1,3-dihydro-2H-benzimidazol-2-on-1-yl group. A dopamine antagonist, it is used as an antiemetic for the short-term treatment of nausea and vomiting, and to control gastrointestinal effects of dopaminergic drugs given in the management of parkinsonism. The free base is used in oral suspensions, while the maleate salt is used in tablet preparations. | 2.75 | 3 | 0 | benzimidazoles; heteroarylpiperidine | antiemetic; dopaminergic antagonist |
donepezil Donepezil: An indan and piperidine derivative that acts as a selective and reversible inhibitor of ACETYLCHOLINESTERASE. Donepezil is highly selective for the central nervous system and is used in the management of mild to moderate DEMENTIA in ALZHEIMER DISEASE.. donepezil : A racemate comprising equimolar amounts of (R)- and (S)-donepezil. A centrally acting reversible acetylcholinesterase inhibitor, its main therapeutic use is in the treatment of Alzheimer's disease where it is used to increase cortical acetylcholine.. 2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dimethoxyindan-1-one : A member of the class of indanones that is 5,6-dimethoxyindan-1-one which is substituted at position 2 by an (N-benzylpiperidin-4-yl)methyl group. | 3.74 | 9 | 0 | aromatic ether; indanones; piperidines; racemate | EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; nootropic agent |
doxepin Doxepin: A dibenzoxepin tricyclic compound. It displays a range of pharmacological actions including maintaining adrenergic innervation. Its mechanism of action is not fully understood, but it appears to block reuptake of monoaminergic neurotransmitters into presynaptic terminals. It also possesses anticholinergic activity and modulates antagonism of histamine H(1)- and H(2)-receptors.. doxepin : A dibenzooxepine that is 6,11-dihydrodibenzo[b,e]oxepine substituted by a 3-(dimethylamino)propylidene group at position 11. It is used as an antidepressant drug. | 2.47 | 2 | 0 | dibenzooxepine; tertiary amino compound | antidepressant |
doxylamine Doxylamine: Histamine H1 antagonist with pronounced sedative properties. It is used in allergies and as an antitussive, antiemetic, and hypnotic. Doxylamine has also been administered in veterinary applications and was formerly used in PARKINSONISM. | 2.04 | 1 | 0 | pyridines; tertiary amine | anti-allergic agent; antiemetic; antitussive; cholinergic antagonist; H1-receptor antagonist; histamine antagonist; sedative |
droperidol Droperidol: A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in conjunction with an opioid analgesic such as FENTANYL to maintain the patient in a calm state of neuroleptanalgesia with indifference to surroundings but still able to cooperate with the surgeon. It is also used as a premedicant, as an antiemetic, and for the control of agitation in acute psychoses. (From Martindale, The Extra Pharmacopoeia, 29th ed, p593). droperidol : An organofluorine compound that is haloperidol in which the hydroxy group has been eliminated with the introduction of a double bond in the piperidine ring, and the 4-chlorophenyl group has been replaced by a benzimidazol-2-on-1-yl group. It is used in the management of chemotherapy-induced nausea and vomiting, and in conjunction with an opioid analgesic such as fentanyl to maintain the patient in a calm state of neuroleptanalgesia with indifference to surroundings but still able to cooperate with the surgeon. | 2.05 | 1 | 0 | aromatic ketone; benzimidazoles; organofluorine compound | anaesthesia adjuvant; antiemetic; dopaminergic antagonist; first generation antipsychotic |
dyphylline Dyphylline: A THEOPHYLLINE derivative with broncho- and vasodilator properties. It is used in the treatment of asthma, cardiac dyspnea, and bronchitis.. dyphylline : An oxopurine that is theophylline bearing a 2,3-dihydroxypropyl group at the 7 position. It has broncho- and vasodilator properties, and is used in the treatment of asthma, cardiac dyspnea, and bronchitis. It is also an ingredient in preparations that have been promoted for coughs. | 2.04 | 1 | 0 | oxopurine; propane-1,2-diols | bronchodilator agent; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; muscle relaxant; vasodilator agent |
ebastine [no description available] | 2.08 | 1 | 0 | organic molecular entity | |
ebselen ebselen : A benzoselenazole that is 1,2-benzoselenazol-3-one carrying an additional phenyl substituent at position 2. Acts as a mimic of glutathione peroxidase. | 2.52 | 2 | 0 | benzoselenazole | anti-inflammatory drug; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 2.5.1.7 (UDP-N-acetylglucosamine 1-carboxyvinyltransferase) inhibitor; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; EC 3.1.3.25 (inositol-phosphate phosphatase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 3.5.4.1 (cytosine deaminase) inhibitor; EC 5.1.3.2 (UDP-glucose 4-epimerase) inhibitor; enzyme mimic; ferroptosis inhibitor; genotoxin; hepatoprotective agent; neuroprotective agent; radical scavenger |
econazole Econazole: An imidazole derivative that is commonly used as a topical antifungal agent.. econazole : A racemate composed of equimolar amounts of (R)- and (S)-econazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections.. 1-{2-(4-chlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl}imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 4-chlorobenzyl group. | 2.4 | 2 | 0 | dichlorobenzene; ether; imidazoles; monochlorobenzenes | |
emodin Emodin: Purgative anthraquinone found in several plants, especially RHAMNUS PURSHIANA. It was formerly used as a laxative, but is now used mainly as a tool in toxicity studies.. emodin : A trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs. | 3.97 | 3 | 0 | trihydroxyanthraquinone | antineoplastic agent; laxative; plant metabolite; tyrosine kinase inhibitor |
enflurane Enflurane: An extremely stable inhalation anesthetic that allows rapid adjustments of anesthesia depth with little change in pulse or respiratory rate.. enflurane : An ether in which the oxygen atom is connected to 2-chloro-1,1,2-trifluoroethyl and difluoromethyl groups. | 2.05 | 1 | 0 | ether; organochlorine compound; organofluorine compound | anaesthetic |
enoxacin Enoxacin: A broad-spectrum 6-fluoronaphthyridinone antibacterial agent that is structurally related to NALIDIXIC ACID.. enoxacin : A 1,8-naphthyridine derivative that is 1,4-dihydro-1,8-naphthyridine with an ethyl group at the 1 position, a carboxy group at the 3-position, an oxo sustituent at the 4-position, a fluoro substituent at the 5-position and a piperazin-1-yl group at the 7 position. An antibacterial, it is used in the treatment of urinary-tract infections and gonorrhoea. | 4.34 | 4 | 1 | 1,8-naphthyridine derivative; amino acid; fluoroquinolone antibiotic; monocarboxylic acid; N-arylpiperazine; quinolone antibiotic | antibacterial drug; DNA synthesis inhibitor |
estazolam Estazolam: A benzodiazepine with anticonvulsant, hypnotic, and muscle relaxant properties. It has been shown in some cases to be more potent than DIAZEPAM or NITRAZEPAM.. estazolam : A triazolo[4,3-a][1,4]benzodiazepine having a phenyl group at position 6 and a chloro substituent at position 8. A short-acting benzodiazepine with general properties similar to diazepam, it is given by mouth as a hypnotic in the short-term management of insomnia. | 2.05 | 1 | 0 | triazoles; triazolobenzodiazepine | anticonvulsant; anxiolytic drug; GABA modulator |
ethacrynic acid Ethacrynic Acid: A compound that inhibits symport of sodium, potassium, and chloride primarily in the ascending limb of Henle, but also in the proximal and distal tubules. This pharmacological action results in excretion of these ions, increased urinary output, and reduction in extracellular fluid. This compound has been classified as a loop or high ceiling diuretic.. etacrynic acid : An aromatic ether that is phenoxyacetic acid in which the phenyl ring is substituted by chlorines at positions 2 and 3, and by a 2-methylidenebutanoyl group at position 4. It is a loop diuretic used to treat high blood pressure resulting from diseases such as congestive heart failure, liver failure, and kidney failure. It is also a glutathione S-transferase (EC 2.5.1.18) inhibitor. | 2.93 | 4 | 0 | aromatic ether; aromatic ketone; dichlorobenzene; monocarboxylic acid | EC 2.5.1.18 (glutathione transferase) inhibitor; ion transport inhibitor; loop diuretic |
ethinamate ethinamate: short duration hypnotic with fast onset & relatively low toxicity; may cause dependence; minor descriptor (76-85); on-line & Index Medicus search CARBAMATES (76-85). ethinamate : A carbamate ester that is the 1-vinylcyclohexyl ester of carbamic acid. A short-acting sedative-hypnotic, it was formerly used to treat insomnia. | 2.04 | 1 | 0 | carbamate ester; terminal acetylenic compound | sedative |
profenamine profenamine: was heading 1972-94 (see under PHENOTHIAZINES 1972-90); use PHENOTHIAZINES to search ETHOPROPAZINE 1972-94. profenamine : A member of the class of phenothiazines that is phenothiazine in which the hydrogen attached to the nitrogen is substituted by a 2-(diethylamino)propyl group. An antimuscarinic, it is used as the hydrochloride for the symptomatic treatment of Parkinson's disease. | 2.04 | 1 | 0 | phenothiazines; tertiary amino compound | adrenergic antagonist; antidyskinesia agent; antiparkinson drug; histamine antagonist; muscarinic antagonist |
ethosuximide Ethosuximide: An anticonvulsant especially useful in the treatment of absence seizures unaccompanied by other types of seizures.. ethosuximide : A dicarboximide that is pyrrolidine-2,5-dione in which the hydrogens at position 3 are substituted by one methyl and one ethyl group. An antiepileptic, it is used in the treatment of absence seizures and may be used for myoclonic seizures, but is ineffective against tonic-clonic seizures. | 2.75 | 3 | 0 | dicarboximide; pyrrolidinone | anticonvulsant; geroprotector; T-type calcium channel blocker |
ethoxzolamide Ethoxzolamide: A carbonic anhydrase inhibitor used as diuretic and in glaucoma. It may cause hypokalemia.. ethoxzolamide : A sulfonamide that is 1,3-benzothiazole-2-sulfonamide which is substituted by an ethoxy group at position 6. A carbonic anhydrase inhibitor, it has been used in the treatment of glaucoma, and as a diuretic. | 2.45 | 2 | 0 | aromatic ether; benzothiazoles; sulfonamide | antiglaucoma drug; diuretic; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
ethyl loflazepate ethyl loflazepate: structure given in first source | 2.45 | 2 | 0 | organic molecular entity | |
ethylenediamine ethylenediamine: RN given refers to parent cpd; edamine is the recommended contraction for the ethylenediamine radical. ethylenediamine : An alkane-alpha,omega-diamine in which the alkane is ethane. | 1.96 | 1 | 0 | alkane-alpha,omega-diamine | GABA agonist |
etizolam etizolam: structure given in first source | 2.04 | 1 | 0 | organic molecular entity | |
etodolac Etodolac: A non-steroidal anti-inflammatory agent and cyclooxygenase-2 (COX-2) inhibitor with potent analgesic and anti-arthritic properties. It has been shown to be effective in the treatment of OSTEOARTHRITIS; RHEUMATOID ARTHRITIS; ANKYLOSING SPONDYLITIS; and in the alleviation of postoperative pain (PAIN, POSTOPERATIVE).. etodolac : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl moiety. A preferential inhibitor of cyclo-oxygenase 2 and non-steroidal anti-inflammatory, it is used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain. Administered as the racemate, only the (S)-enantiomer is active. | 2.05 | 1 | 0 | monocarboxylic acid; organic heterotricyclic compound | antipyretic; cyclooxygenase 2 inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
brl 42810 [no description available] | 2.75 | 3 | 0 | 2-aminopurines; acetate ester | antiviral drug; prodrug |
felbamate Felbamate: A PEGylated phenylcarbamate derivative that acts as an antagonist of NMDA RECEPTORS. It is used as an anticonvulsant, primarily for the treatment of SEIZURES in severe refractory EPILEPSY.. felbamate : The bis(carbamate ester) of 2-phenylpropane-1,3-diol. An anticonvulsant, it is used in the treatment of epilepsy. | 2.05 | 1 | 0 | carbamate ester | anticonvulsant; neuroprotective agent |
4-biphenylylacetic acid biphenyl-4-ylacetic acid : A monocarboxylic acid in which one of the alpha-hydrogens is substituted by a biphenyl-4-yl group. An active metabolite of fenbufen, it is used as a topical medicine to treat muscle inflammation and arthritis. | 2.08 | 1 | 0 | biphenyls; monocarboxylic acid | non-steroidal anti-inflammatory drug |
felodipine Felodipine: A dihydropyridine calcium antagonist with positive inotropic effects. It lowers blood pressure by reducing peripheral vascular resistance through a highly selective action on smooth muscle in arteriolar resistance vessels.. felodipine : The mixed (methyl, ethyl) diester of 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylic acid. A calcium-channel blocker, it lowers blood pressure by reducing peripheral vascular resistance through a highly selective action on smooth muscle in arteriolar resistance vessels. It is used in the management of hypertension and angina pectoris. | 2.97 | 4 | 0 | dichlorobenzene; dihydropyridine; ethyl ester; methyl ester | anti-arrhythmia drug; antihypertensive agent; calcium channel blocker; vasodilator agent |
fenfluramine Fenfluramine: A centrally active drug that apparently both blocks serotonin uptake and provokes transport-mediated serotonin release.. fenfluramine : A secondary amino compound that is 1-phenyl-propan-2-amine in which one of the meta-hydrogens is substituted by trifluoromethyl, and one of the hydrogens attached to the nitrogen is substituted by an ethyl group. It binds to the serotonin reuptake pump, causing inhbition of serotonin uptake and release of serotonin. The resulting increased levels of serotonin lead to greater serotonin receptor activation which in turn lead to enhancement of serotoninergic transmission in the centres of feeding behavior located in the hypothalamus. This suppresses the appetite for carbohydrates. Fenfluramine was used as the hydrochloride for treatment of diabetes and obesity. It was withdrawn worldwide after reports of heart valve disease and pulmonary hypertension. | 2.04 | 1 | 0 | (trifluoromethyl)benzenes; secondary amino compound | appetite depressant; serotonergic agonist; serotonin uptake inhibitor |
fenofibrate Pharmavit: a polyvitamin product, comprising vitamins A, D2, B1, B2, B6, C, E, nicotinamide, & calcium pantothene; may be a promising agent for application to human populations exposed to carcinogenic and genetic hazards of ionizing radiation; RN from CHEMLINE | 2.47 | 2 | 0 | aromatic ether; chlorobenzophenone; isopropyl ester; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic |
fenoprofen Fenoprofen: A propionic acid derivative that is used as a non-steroidal anti-inflammatory agent.. fenoprofen : A monocarboxylic acid that is propanoic acid in which one of the hydrogens at position 2 is substituted by a 3-phenoxyphenyl group. A non-steroidal anti-inflammatory drug, the dihydrate form of the calcium salt is used for the management of mild to moderate pain and for the relief of pain and inflammation associated with disorders such as arthritis. It is pharmacologically similar to aspirin, but causes less gastrointestinal bleeding. | 2.04 | 1 | 0 | monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
berotek Fenoterol: A synthetic adrenergic beta-2 agonist that is used as a bronchodilator and tocolytic.. fenoterol : A member of the class resorcinols that is 5-(1-hydroxyethyl)benzene-1,3-diol in which one of the methyl hydrogens is replaced by a 1-(4-hydroxyphenyl)propan-2-amino group. A beta2-adrenergic agonist, it is used (as the hydrobromide salt) as a bronchodilator in the management of reversible airway obstruction. | 2.74 | 3 | 0 | resorcinols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; sympathomimetic agent; tocolytic agent |
fentanyl Fentanyl: A potent narcotic analgesic, abuse of which leads to habituation or addiction. It is primarily a mu-opioid agonist. Fentanyl is also used as an adjunct to general anesthetics, and as an anesthetic for induction and maintenance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1078). fentanyl : A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of N-phenyl-1-(2-phenylethyl)piperidin-4-amine with propanoic acid. | 2.46 | 2 | 0 | anilide; monocarboxylic acid amide; piperidines | adjuvant; anaesthesia adjuvant; anaesthetic; intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic |
flavoxate Flavoxate: A drug that has been used in various urinary syndromes and as an antispasmodic. Its therapeutic usefulness and its mechanism of action are not clear. It may have local anesthetic activity and direct relaxing effects on smooth muscle as well as some activity as a muscarinic antagonist.. flavoxate : A carboxylic ester resulting from the formal condensation of 3-methylflavone-8-carboxylic acid with 2-(1-piperidinyl)ethanol. | 2.04 | 1 | 0 | carboxylic ester; flavones; piperidines; tertiary amino compound | antispasmodic drug; muscarinic antagonist; parasympatholytic |
flecainide Flecainide: A potent anti-arrhythmia agent, effective in a wide range of ventricular and atrial ARRHYTHMIAS and TACHYCARDIAS.. flecainide : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid with the primary amino group of piperidin-2-ylmethylamine. An antiarrhythmic agent used (in the form of its acetate salt) to prevent and treat tachyarrhythmia (abnormal fast rhythm of the heart). | 2.96 | 4 | 0 | aromatic ether; monocarboxylic acid amide; organofluorine compound; piperidines | anti-arrhythmia drug |
fleroxacin Fleroxacin: A broad-spectrum antimicrobial fluoroquinolone. The drug strongly inhibits the DNA-supercoiling activity of DNA GYRASE.. fleroxacin : A fluoroquinolone antibiotic that is 4-oxo-1,4-dihydroquinoline which is substituted at positions 1, 3, 6, 7 and 8 by 2-fluoroethyl, carboxy, fluoro, 4-methylpiperazin-1-yl and fluoro groups, respectively. It is active against many Gram-positive and Gram-negative bacteria. | 2.08 | 1 | 0 | difluorobenzene; fluoroquinolone antibiotic; monocarboxylic acid; N-alkylpiperazine; quinolines | antibacterial drug; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; topoisomerase IV inhibitor |
fluconazole Fluconazole: Triazole antifungal agent that is used to treat oropharyngeal CANDIDIASIS and cryptococcal MENINGITIS in AIDS.. fluconazole : A member of the class of triazoles that is propan-2-ol substituted at position 1 and 3 by 1H-1,2,4-triazol-1-yl groups and at position 2 by a 2,4-difluorophenyl group. It is an antifungal drug used for the treatment of mucosal candidiasis and for systemic infections including systemic candidiasis, coccidioidomycosis, and cryptococcosis. | 2.97 | 4 | 0 | conazole antifungal drug; difluorobenzene; tertiary alcohol; triazole antifungal drug | environmental contaminant; P450 inhibitor; xenobiotic |
flucytosine Flucytosine: A fluorinated cytosine analog that is used as an antifungal agent.. flucytosine : An organofluorine compound that is cytosine that is substituted at position 5 by a fluorine. A prodrug for the antifungal 5-fluorouracil, it is used for the treatment of systemic fungal infections. | 2.97 | 4 | 0 | aminopyrimidine; nucleoside analogue; organofluorine compound; pyrimidine antifungal drug; pyrimidone | prodrug |
flufenamic acid Flufenamic Acid: An anthranilic acid derivative with analgesic, anti-inflammatory, and antipyretic properties. It is used in musculoskeletal and joint disorders and administered by mouth and topically. (From Martindale, The Extra Pharmacopoeia, 30th ed, p16). flufenamic acid : An aromatic amino acid consisting of anthranilic acid carrying an N-(trifluoromethyl)phenyl substituent. An analgesic and anti-inflammatory, it is used in rheumatic disorders. | 2.78 | 3 | 0 | aromatic amino acid; organofluorine compound | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
fluphenazine [no description available] | 2.45 | 2 | 0 | N-alkylpiperazine; organofluorine compound; phenothiazines | anticoronaviral agent; dopaminergic antagonist; phenothiazine antipsychotic drug |
flumazenil Flumazenil: A potent benzodiazepine receptor antagonist. Since it reverses the sedative and other actions of benzodiazepines, it has been suggested as an antidote to benzodiazepine overdoses.. flumazenil : An organic heterotricyclic compound that is 5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine which is substituted at positions 3, 5, 6, and 8 by ethoxycarbonyl, methyl, oxo, and fluoro groups, respectively. It is used as an antidote to benzodiazepine overdose. | 2.47 | 2 | 0 | ethyl ester; imidazobenzodiazepine; organofluorine compound | antidote to benzodiazepine poisoning; GABA antagonist |
flunitrazepam Flunitrazepam: A benzodiazepine with pharmacologic actions similar to those of DIAZEPAM that can cause ANTEROGRADE AMNESIA. Some reports indicate that it is used as a date rape drug and suggest that it may precipitate violent behavior. The United States Government has banned the importation of this drug.. flunitrazepam : A 1,4-benzodiazepinone that is nitrazepam substituted by a methyl group at position 1 and by a fluoro group at position 2'. It is a potent hypnotic, sedative, and amnestic drug used to treat chronic insomnia. | 2.39 | 2 | 0 | 1,4-benzodiazepinone; C-nitro compound; monofluorobenzenes | anxiolytic drug; GABAA receptor agonist; sedative |
fluorescite fluorescein (acid form) : A xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer. | 2.08 | 1 | 0 | benzoic acids; cyclic ketone; hydroxy monocarboxylic acid; organic heterotricyclic compound; phenols; xanthene dye | fluorescent dye; radioopaque medium |
fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 3.11 | 5 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
fluoxetine Fluoxetine: The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.. fluoxetine : A racemate comprising equimolar amounts of (R)- and (S)-fluoxetine. A selective serotonin reuptake inhibitor (SSRI), it is used (generally as the hydrochloride salt) for the treatment of depression (and the depressive phase of bipolar disorder), bullimia nervosa, and obsessive-compulsive disorder.. N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propan-1-amine : An aromatic ether consisting of 4-trifluoromethylphenol in which the hydrogen of the phenolic hydroxy group is replaced by a 3-(methylamino)-1-phenylpropyl group. | 2.97 | 4 | 0 | (trifluoromethyl)benzenes; aromatic ether; secondary amino compound | |
fluphenazine depot fluphenazine decanoate : The prodrug of fluphenazine, an antipsychotic drug used for the symptomatic management of psychosis in patients with schizophrenia. | 2.04 | 1 | 0 | decanoate ester; N-alkylpiperazine; organofluorine compound; phenothiazines | dopaminergic antagonist; phenothiazine antipsychotic drug; prodrug |
fluphenazine enanthate [no description available] | 2.04 | 1 | 0 | phenothiazines | |
flurazepam Flurazepam: A benzodiazepine derivative used mainly as a hypnotic.. flurazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a 2-(diethylamino)ethyl group, 2-fluorophenyl group and chloro group at positions 1, 5 and 7, respectively. It is a partial agonist of GABAA receptors and used for the treatment of insomnia. | 2.04 | 1 | 0 | 1,4-benzodiazepinone; monofluorobenzenes; organochlorine compound; tertiary amino compound | anticonvulsant; anxiolytic drug; GABAA receptor agonist; sedative |
flurbiprofen Flurbiprofen: An anti-inflammatory analgesic and antipyretic of the phenylalkynoic acid series. It has been shown to reduce bone resorption in periodontal disease by inhibiting CARBONIC ANHYDRASE.. flurbiprofen : A monocarboxylic acid that is a 2-fluoro-[1,1'-biphenyl-4-yl] moiety linked to C-2 of propionic acid. A non-steroidal anti-inflammatory, analgesic and antipyretic, it is used as a pre-operative anti-miotic as well as orally for arthritis or dental pain. | 9.8 | 5 | 0 | fluorobiphenyl; monocarboxylic acid | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
flutamide Flutamide: An antiandrogen with about the same potency as cyproterone in rodent and canine species. | 2.97 | 4 | 0 | (trifluoromethyl)benzenes; monocarboxylic acid amide | androgen antagonist; antineoplastic agent |
flutazolam flutazolam: structure | 2.04 | 1 | 0 | hemiaminal ether; organic molecular entity | |
fomepizole Fomepizole: A pyrazole and competitive inhibitor of ALCOHOL DEHYDROGENASE that is used for the treatment of poisoning by ETHYLENE GLYCOL or METHANOL.. fomepizole : A member of the class of pyrazoles that is 1H-pyrazole substituted by a methyl group at position 4. | 2.05 | 1 | 0 | pyrazoles | antidote; EC 1.1.1.1 (alcohol dehydrogenase) inhibitor; protective agent |
furazolidone Furazolidone: A nitrofuran derivative with antiprotozoal and antibacterial activity. Furazolidone acts by gradual inhibition of monoamine oxidase. (From Martindale, The Extra Pharmacopoeia, 30th ed, p514). furazolidone : A member of the class of oxazolidines that is 1,3-oxazolidin-2-one in which the hydrogen attached to the nitrogen is replaced by an N-{[(5-nitro-2-furyl)methylene]amino} group. It has antibacterial and antiprotozoal properties, and is used in the treatment of giardiasis and cholera. | 5.35 | 14 | 1 | nitrofuran antibiotic; oxazolidines | antibacterial drug; antiinfective agent; antitrichomonal drug; EC 1.4.3.4 (monoamine oxidase) inhibitor |
furosemide Furosemide: A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY.. furosemide : A chlorobenzoic acid that is 4-chlorobenzoic acid substituted by a (furan-2-ylmethyl)amino and a sulfamoyl group at position 2 and 5 respectively. It is a diuretic used in the treatment of congestive heart failure. | 3.15 | 5 | 0 | chlorobenzoic acid; furans; sulfonamide | environmental contaminant; loop diuretic; xenobiotic |
gemfibrozil [no description available] | 2.97 | 4 | 0 | aromatic ether | antilipemic drug |
gentamicin Gentamicins: A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS. | 10.94 | 7 | 4 | | |
glafenine Glafenine: An anthranilic acid derivative with analgesic properties used for the relief of all types of pain.. glafenine : A carboxylic ester that is 2,3-dihydroxypropyl anthranilate in which the amino group is substituted by a 7-chloroquinolin-4-yl group. A non-steroidal anti-inflammatory drug, glafenine and its hydrochloride salt were used for the relief of all types of pain, but high incidence of anaphylactic reactions resulted in their withdrawal from the market. | 2.05 | 1 | 0 | aminoquinoline; carboxylic ester; glycol; organochlorine compound; secondary amino compound | inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
gliclazide Gliclazide: An oral sulfonylurea hypoglycemic agent which stimulates insulin secretion. | 2.75 | 3 | 0 | N-sulfonylurea | hypoglycemic agent; insulin secretagogue; radical scavenger |
glimepiride glimepiride: structure given in first source | 2.08 | 1 | 0 | sulfonamide | |
glipizide Glipizide: An oral hypoglycemic agent which is rapidly absorbed and completely metabolized.. glipizide : An N-sulfonylurea that is glyburide in which the (5-chloro-2-methoxybenzoyl group is replaced by a (5-methylpyrazin-2-yl)carbonyl group. An oral hypoglycemic agent, it is used in the treatment of type 2 diabetes mellitus. | 2.08 | 1 | 0 | aromatic amide; monocarboxylic acid amide; N-sulfonylurea; pyrazines | EC 2.7.1.33 (pantothenate kinase) inhibitor; hypoglycemic agent; insulin secretagogue |
glutethimide Glutethimide: A hypnotic and sedative. Its use has been largely superseded by other drugs. | 2.74 | 3 | 0 | piperidines | |
glyburide Glyburide: An antidiabetic sulfonylurea derivative with actions like those of chlorpropamide. glyburide : An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. | 2.75 | 3 | 0 | monochlorobenzenes; N-sulfonylurea | anti-arrhythmia drug; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor; hypoglycemic agent |
gossypol Gossypol: A dimeric sesquiterpene found in cottonseed (GOSSYPIUM). The (-) isomer is active as a male contraceptive (CONTRACEPTIVE AGENTS, MALE) whereas toxic symptoms are associated with the (+) isomer. | 2.52 | 2 | 0 | | |
guaiazulene guaiazulene: structure | 2.05 | 1 | 0 | sesquiterpene | |
guanethidine Guanethidine: An antihypertensive agent that acts by inhibiting selectively transmission in post-ganglionic adrenergic nerves. It is believed to act mainly by preventing the release of norepinephrine at nerve endings and causes depletion of norepinephrine in peripheral sympathetic nerve terminals as well as in tissues.. guanethidine : A member of the class of guanidines in which one of the hydrogens of the amino group has been replaced by a 2-azocan-1-ylethyl group.. guanethidine sulfate : A organic sulfate salt composed of two molecules of guanethidine and one of sulfuric acid. | 2.74 | 3 | 0 | azocanes; guanidines | adrenergic antagonist; antihypertensive agent; sympatholytic agent |
guanfacine Guanfacine: A centrally acting antihypertensive agent with specificity towards ADRENERGIC ALPHA-2 RECEPTORS. | 2.08 | 1 | 0 | acetamides | |
1-(5-isoquinolinesulfonyl)-2-methylpiperazine 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine: A specific protein kinase C inhibitor, which inhibits superoxide release from human neutrophils (PMN) stimulated with phorbol myristate acetate or synthetic diacylglycerol.. 1-(5-isoquinolinesulfonyl)-2-methylpiperazine : A member of the class of N-sulfonylpiperazines that is 2-methylpiperazine substituted at position 1 by a 5-isoquinolinesulfonyl group. | 2.13 | 1 | 0 | isoquinolines; N-sulfonylpiperazine | EC 2.7.11.13 (protein kinase C) inhibitor |
fasudil fasudil: intracellular calcium antagonist; structure in first source. fasudil : An isoquinoline substituted by a (1,4-diazepan-1-yl)sulfonyl group at position 5. It is a Rho-kinase inhibitor and its hydrochloride hydrate form is approved for the treatment of cerebral vasospasm and cerebral ischemia. | 7.49 | 2 | 0 | isoquinolines; N-sulfonyldiazepane | antihypertensive agent; calcium channel blocker; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; geroprotector; neuroprotective agent; nootropic agent; vasodilator agent |
haloperidol Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 2.75 | 3 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
halothane [no description available] | 2.69 | 3 | 0 | haloalkane; organobromine compound; organochlorine compound; organofluorine compound | inhalation anaesthetic |
hexachlorophene Hexachlorophene: A chlorinated bisphenol antiseptic with a bacteriostatic action against Gram-positive organisms, but much less effective against Gram-negative organisms. It is mainly used in soaps and creams and is an ingredient of various preparations used for skin disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p797). hexachlorophene : An organochlorine compound that is diphenylmethane in which each of the phenyl groups is substituted by chlorines at positions 2, 3, and 5, and by a hydroxy group at position 6. An antiseptic that is effective against Gram-positive organisms, it is used in soaps and creams for the treatment of various skin disorders. It is also used in agriculture as an acaricide and fungicide, but is not approved for such use within the European Union. | 4.69 | 5 | 0 | bridged diphenyl fungicide; polyphenol; trichlorobenzene | acaricide; antibacterial agent; antifungal agrochemical; antiseptic drug |
miltefosine miltefosine: hexadecyl phosphocholine derivative of cisplatin; did not substantially activate HIV long terminal repeat; less toxic than cisplatin. miltefosine : A phospholipid that is the hexadecyl monoester of phosphocholine. | 3.59 | 2 | 0 | phosphocholines; phospholipid | anti-inflammatory agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antiprotozoal drug; apoptosis inducer; immunomodulator; protein kinase inhibitor |
hexestrol [no description available] | 2.05 | 1 | 0 | stilbenoid | |
hexetidine Hexetidine: A bactericidal and fungicidal antiseptic. It is used as a 0.1% mouthwash for local infections and oral hygiene. (From Martindale, The Extra Pharmacopoeia, 30th ed, p797) | 2.05 | 1 | 0 | organic heteromonocyclic compound; organonitrogen heterocyclic compound | |
hexobarbital Hexobarbital: A barbiturate that is effective as a hypnotic and sedative.. hexobarbital : A member of the class of barbiturates taht is barbituric acid substituted at N-1 by methyl and at C-5 by methyl and cyclohex-1-enyl groups. | 2.05 | 1 | 0 | barbiturates | |
hexylresorcinol [no description available] | 2.4 | 2 | 0 | resorcinols | |
homochlorocyclizine homochlorocyclizine: RN given refers to parent cpd | 2.04 | 1 | 0 | diarylmethane | |
hydralazine Hydralazine: A direct-acting vasodilator that is used as an antihypertensive agent.. hydralazine : The 1-hydrazino derivative of phthalazine; a direct-acting vasodilator that is used as an antihypertensive agent. | 2.74 | 3 | 0 | azaarene; hydrazines; ortho-fused heteroarene; phthalazines | antihypertensive agent; vasodilator agent |
hydrochlorothiazide Hydrochlorothiazide: A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It is used in the treatment of several disorders including edema, hypertension, diabetes insipidus, and hypoparathyroidism.. hydrochlorothiazide : A benzothiadiazine that is 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted by a chloro group at position 6 and a sulfonamide at 7. It is diuretic used for the treatment of hypertension and congestive heart failure. | 2.97 | 4 | 0 | benzothiadiazine; organochlorine compound; sulfonamide | antihypertensive agent; diuretic; environmental contaminant; xenobiotic |
hydroflumethiazide Hydroflumethiazide: A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p822). hydroflumethiazide : A benzothiadiazine consisting of a 3,4-dihydro-HH-1,2,4-benzothiadiazine bicyclic system dioxygenated on sulfur and carrying trifluoromethyl and aminosulfonyl groups at positions 6 and 7 respectively. A diuretic with actions and uses similar to those of hydrochlorothiazide. | 2.46 | 2 | 0 | benzothiadiazine; thiazide | antihypertensive agent; diuretic |
hydroxyurea [no description available] | 2.97 | 4 | 0 | one-carbon compound; ureas | antimetabolite; antimitotic; antineoplastic agent; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; genotoxin; immunomodulator; radical scavenger; teratogenic agent |
hydroxyzine Hydroxyzine: A histamine H1 receptor antagonist that is effective in the treatment of chronic urticaria, dermatitis, and histamine-mediated pruritus. Unlike its major metabolite CETIRIZINE, it does cause drowsiness. It is also effective as an antiemetic, for relief of anxiety and tension, and as a sedative.. hydroxyzine : A N-alkylpiperazine that is piperzine in which the nitrogens atoms are substituted by 2-(2-hydroxyethoxy)ethyl and (4-chlorophenyl)(phenyl)methyl groups respectively. | 2.74 | 3 | 0 | hydroxyether; monochlorobenzenes; N-alkylpiperazine | anticoronaviral agent; antipruritic drug; anxiolytic drug; dermatologic drug; H1-receptor antagonist |
hypericin [no description available] | 2.31 | 1 | 0 | | |
ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.74 | 3 | 0 | monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; radical scavenger; xenobiotic |
phenelzine Phenelzine: One of the MONOAMINE OXIDASE INHIBITORS used to treat DEPRESSION; PHOBIC DISORDERS; and PANIC. | 2.74 | 3 | 0 | primary amine | |
lidocaine Lidocaine: A local anesthetic and cardiac depressant used as an antiarrhythmia agent. Its actions are more intense and its effects more prolonged than those of PROCAINE but its duration of action is shorter than that of BUPIVACAINE or PRILOCAINE.. lidocaine : The monocarboxylic acid amide resulting from the formal condensation of N,N-diethylglycine with 2,6-dimethylaniline. | 3.41 | 7 | 0 | benzenes; monocarboxylic acid amide; tertiary amino compound | anti-arrhythmia drug; drug allergen; environmental contaminant; local anaesthetic; xenobiotic |
alverine alverine : A tertiary amine having one ethyl and two 3-phenylprop-1-yl groups attached to the nitrogen. An antispasmodic that acts directly on intestinal and uterine smooth muscle, it is used (particularly as the citrate salt) in the treatment of irritable bowel syndrome. | 2.05 | 1 | 0 | tertiary amine | antispasmodic drug |
idebenone [no description available] | 2.05 | 1 | 0 | 1,4-benzoquinones; primary alcohol | antioxidant; ferroptosis inhibitor |
ifosfamide [no description available] | 2.47 | 2 | 0 | ifosfamides | alkylating agent; antineoplastic agent; environmental contaminant; immunosuppressive agent; xenobiotic |
imipramine Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 2.97 | 4 | 0 | dibenzoazepine | adrenergic uptake inhibitor; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
amrinone Amrinone: A positive inotropic cardiotonic (CARDIOTONIC AGENTS) with vasodilator properties, phosphodiesterase 3 inhibitory activity, and the ability to stimulate calcium ion influx into the cardiac cell.. amrinone : A 3,4'-bipyridine substituted at positions 5 and 6 by an amino group and a keto function respectively. A pyridine phosphodiesterase 3 inhibitor, it is a drug that may improve the prognosis in patients with congestive heart failure. | 3.15 | 5 | 0 | bipyridines | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
incadronate [no description available] | 2.05 | 1 | 0 | 1,1-bis(phosphonic acid) | |
indapamide Indapamide: A benzamide-sulfonamide-indole derived DIURETIC that functions by inhibiting SODIUM CHLORIDE SYMPORTERS.. indapamide : A sulfonamide formed by condensation of the carboxylic group of 4-chloro-3-sulfamoylbenzoic acid with the amino group of 2-methyl-2,3-dihydro-1H-indol-1-amine. | 2.97 | 4 | 0 | indoles; organochlorine compound; sulfonamide | antihypertensive agent; diuretic |
indomethacin Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.76 | 3 | 0 | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic metabolite; xenobiotic |
iodamide Iodamide: An ionic monomeric contrast medium. (From Martindale, The Extra Pharmacopoeia, 30th ed, p706). iodamide : A benzoic acid compound having iodo substituents at the 2-, 4- and 6-positions, an acetamido substituent at the 3-position and an acetamidomethyl substituent at the 5-position. | 2.04 | 1 | 0 | benzoic acids; organoiodine compound | radioopaque medium |
iodoquinol Iodoquinol: One of the halogenated 8-quinolinols widely used as an intestinal antiseptic, especially as an antiamebic agent. It is also used topically in other infections and may cause CNS and eye damage. It is known by very many similar trade names world-wide.. iodoquinol : A monohydroxyquinoline that is quinolin-8-ol in which the hydrogens at positions 5 and 7 are replaced by iodine. It is considered the drug of choice for treating asymptomatic or moderate forms of amoebiasis. | 7.73 | 30 | 2 | monohydroxyquinoline; organoiodine compound | antiamoebic agent; antibacterial agent; antiprotozoal drug; antiseptic drug |
iohexol Iohexol: An effective non-ionic, water-soluble contrast agent which is used in myelography, arthrography, nephroangiography, arteriography, and other radiographic procedures. Its low systemic toxicity is the combined result of low chemotoxicity and low osmolality.. iohexol : A benzenedicarboxamide compound having N-(2,3-dihydroxypropyl)carbamoyl groups at the 1- and 3-positions, iodo substituents at the 2-, 4- and 6-positions and an N-(2,3-dihydroxypropyl)acetamido group at the 5-position. | 2.47 | 2 | 0 | benzenedicarboxamide; organoiodine compound | environmental contaminant; radioopaque medium; xenobiotic |
iothalamic acid Iothalamic Acid: A contrast medium in diagnostic radiology with properties similar to those of diatrizoic acid. It is used primarily as its sodium and meglumine (IOTHALAMATE MEGLUMINE) salts. | 2.38 | 2 | 0 | organic molecular entity | |
iodipamide Iodipamide: A water-soluble radiographic contrast media for cholecystography and intravenous cholangiography.. adipiodone : An organoiodine compound that is 3-amino-2,4,6-triiodobenzoic acid in which one of the amino hydrogens is substituted by a 6-(3-carboxy-2,4,6-triiodoanilino)-6-oxohexanoyl group. It is a water-soluble radiographic contrast media for cholecystography and intravenous cholangiography. | 2.68 | 3 | 0 | benzoic acids; organoiodine compound; secondary carboxamide | radioopaque medium |
iproniazid [no description available] | 3.19 | 5 | 0 | carbohydrazide; pyridines | |
avapro Irbesartan: A spiro compound, biphenyl and tetrazole derivative that acts as an angiotensin II type 1 receptor antagonist. It is used in the management of HYPERTENSION, and in the treatment of kidney disease.. irbesartan : A biphenylyltetrazole that is an angiotensin II receptor antagonist used mainly for the treatment of hypertension. | 2.47 | 2 | 0 | azaspiro compound; biphenylyltetrazole | angiotensin receptor antagonist; antihypertensive agent; environmental contaminant; xenobiotic |
isoflurane Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 4.06 | 4 | 0 | organofluorine compound | inhalation anaesthetic |
isoniazid Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 9.47 | 7 | 0 | carbohydrazide | antitubercular agent; drug allergen |
isopropamide iodide [no description available] | 2.04 | 1 | 0 | diarylmethane | |
2-propanol 2-Propanol: An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.. propan-2-ol : A secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. | 2.05 | 1 | 0 | secondary alcohol; secondary fatty alcohol | protic solvent |
isoproterenol Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 2.45 | 2 | 0 | catechols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; sympathomimetic agent |
isoxsuprine Isoxsuprine: A beta-adrenergic agonist that causes direct relaxation of uterine and vascular smooth muscle. Its vasodilating actions are greater on the arteries supplying skeletal muscle than on those supplying skin. It is used in the treatment of peripheral vascular disease and in premature labor. | 2.45 | 2 | 0 | alkylbenzene | |
isradipine Isradipine: A potent antagonist of CALCIUM CHANNELS that is highly selective for VASCULAR SMOOTH MUSCLE. It is effective in the treatment of chronic stable angina pectoris, hypertension, and congestive cardiac failure. | 2.47 | 2 | 0 | benzoxadiazole; dihydropyridine; isopropyl ester; methyl ester | |
itraconazole [no description available] | 2.47 | 2 | 0 | piperazines | |
nsc 664704 kenpaullone: inhibits CDK1/cyclin B; structure in first source. kenpaullone : An indolobenzazepine that is paullone in which the hydrogen at position 9 is replaced by a bromo substituent. It is an ATP-competitive inhibitor of cyclin-dependent kinases (CDKs) and glycogen synthase kinase 3beta (GSK3beta). | 2.05 | 1 | 0 | indolobenzazepine; lactam; organobromine compound | cardioprotective agent; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor; EC 2.7.11.26 (tau-protein kinase) inhibitor; geroprotector |
ketamine Ketamine: A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors.. ketamine : A member of the class of cyclohexanones in which one of the hydrogens at position 2 is substituted by a 2-chlorophenyl group, while the other is substituted by a methylamino group. | 2.76 | 3 | 0 | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
ketanserin Ketanserin: A selective serotonin receptor antagonist with weak adrenergic receptor blocking properties. The drug is effective in lowering blood pressure in essential hypertension. It also inhibits platelet aggregation. It is well tolerated and is particularly effective in older patients.. ketanserin : A member of the class of quinazolines that is quinazoline-2,4(1H,3H)-dione which is substituted at position 3 by a 2-[4-(p-fluorobenzoyl)piperidin-1-yl]ethyl group. | 2.76 | 3 | 0 | aromatic ketone; organofluorine compound; piperidines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; cardiovascular drug; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; serotonergic antagonist |
ketoconazole 1-acetyl-4-(4-{[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy}phenyl)piperazine : A dioxolane that is 1,3-dioxolane which is substituted at positions 2, 2, and 4 by imidazol-1-ylmethyl, 2,4-dichlorophenyl, and [para-(4-acetylpiperazin-1-yl)phenoxy]methyl groups, respectively. | 2.97 | 4 | 0 | dichlorobenzene; dioxolane; ether; imidazoles; N-acylpiperazine; N-arylpiperazine | |
ketoprofen Ketoprofen: An IBUPROFEN-type anti-inflammatory analgesic and antipyretic. It is used in the treatment of rheumatoid arthritis and osteoarthritis.. ketoprofen : An oxo monocarboxylic acid that consists of propionic acid substituted by a 3-benzoylphenyl group at position 2. | 2.46 | 2 | 0 | benzophenones; oxo monocarboxylic acid | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
ketotifen Ketotifen: A cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators. It has been proposed for the treatment of asthma, rhinitis, skin allergies, and anaphylaxis.. ketotifen : An organic heterotricyclic compound that is 4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one which is substituted at position 4 by a 1-methylpiperidin-4-ylidene group. A blocker of histamine H1 receptors with a stabilising action on mast cells, it is used (usually as its hydrogen fumarate salt) for the treatment of asthma, where it may take several weeks to exert its full effect. | 2.45 | 2 | 0 | cyclic ketone; olefinic compound; organic heterotricyclic compound; organosulfur heterocyclic compound; piperidines; tertiary amino compound | anti-asthmatic drug; H1-receptor antagonist |
khellin Khellin: A vasodilator that also has bronchodilatory action. It has been employed in the treatment of angina pectoris, in the treatment of asthma, and in conjunction with ultraviolet light A, has been tried in the treatment of vitiligo. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1024). khellin : A furanochrome in which the basic tricyclic skeleton is substituted at positions 4 and 9 with methoxy groups and at position 7 with a methyl group. A major constituent of the plant Ammi visnaga it is a herbal folk medicine used for various illnesses, its main effect being as a vasodilator. | 2.46 | 2 | 0 | furanochromone; organic heterotricyclic compound; oxacycle | anti-asthmatic agent; bronchodilator agent; cardiovascular drug; vasodilator agent |
labetalol Labetalol: A salicylamide derivative that is a non-cardioselective blocker of BETA-ADRENERGIC RECEPTORS and ALPHA-1 ADRENERGIC RECEPTORS.. labetalol : A diastereoisomeric mixture of approximately equal amounts of all four possible stereoisomers ((R,S)-labetolol, (S,R)-labetolol, (S,S)-labetalol and (R,R)-labetalol). It is an adrenergic antagonist used to treat high blood pressure.. 2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide : A member of the class of benzamides that is benzamide substituted by a hydroxy group at position 2 and by a 1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl group at position 5. | 2.96 | 4 | 0 | benzamides; benzenes; phenols; primary carboxamide; salicylamides; secondary alcohol; secondary amino compound | |
lamotrigine [no description available] | 2.47 | 2 | 0 | 1,2,4-triazines; dichlorobenzene; primary arylamine | anticonvulsant; antidepressant; antimanic drug; calcium channel blocker; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; excitatory amino acid antagonist; geroprotector; non-narcotic analgesic; xenobiotic |
lansoprazole Lansoprazole: A 2,2,2-trifluoroethoxypyridyl derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS. Lansoprazole is a racemic mixture of (R)- and (S)-isomers. | 2.76 | 3 | 0 | benzimidazoles; pyridines; sulfoxide | anti-ulcer drug; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor |
beta-lapachone beta-lapachone: antineoplastic inhibitor of reverse transcriptase, DNA topoisomerase, and DNA polymerase. beta-lapachone : A benzochromenone that is 3,4-dihydro-2H-benzo[h]chromene-5,6-dione substituted by geminal methyl groups at position 2. Isolated from Tabebuia avellanedae, it exhibits antineoplastic and anti-inflammatory activities. | 2.05 | 1 | 0 | benzochromenone; orthoquinones | anti-inflammatory agent; antineoplastic agent; plant metabolite |
leflunomide Leflunomide: An isoxazole derivative that inhibits dihydroorotate dehydrogenase, the fourth enzyme in the pyrimidine biosynthetic pathway. It is used an immunosuppressive agent in the treatment of RHEUMATOID ARTHRITIS and PSORIATIC ARTHRITIS.. leflunomide : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 5-methyl-1,2-oxazole-4-carboxylic acid with the anilino group of 4-(trifluoromethyl)aniline. The prodrug of teriflunomide. | 2.75 | 3 | 0 | (trifluoromethyl)benzenes; isoxazoles; monocarboxylic acid amide | antineoplastic agent; antiparasitic agent; EC 1.3.98.1 [dihydroorotate oxidase (fumarate)] inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; hepatotoxic agent; immunosuppressive agent; non-steroidal anti-inflammatory drug; prodrug; pyrimidine synthesis inhibitor; tyrosine kinase inhibitor |
letrozole [no description available] | 2.08 | 1 | 0 | nitrile; triazoles | antineoplastic agent; EC 1.14.14.14 (aromatase) inhibitor |
lofepramine Lofepramine: A psychotropic IMIPRAMINE derivative that acts as a tricyclic antidepressant and possesses few anticholinergic properties. It is metabolized to DESIPRAMINE. | 2.76 | 3 | 0 | aromatic ketone; dibenzoazepine; monochlorobenzenes; tertiary amino compound | antidepressant |
lomefloxacin lomefloxacin: structure given in first source. lomefloxacin : A fluoroquinolone antibiotic, used (generally as the hydrochloride salt) to treat bacterial infections including bronchitis and urinary tract infections. It is also used to prevent urinary tract infections prior to surgery. | 2.87 | 3 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antimicrobial agent; antitubercular agent; photosensitizing agent |
lomustine [no description available] | 2.97 | 4 | 0 | N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic agent |
loperamide Loperamide: One of the long-acting synthetic ANTIDIARRHEALS; it is not significantly absorbed from the gut, and has no effect on the adrenergic system or central nervous system, but may antagonize histamine and interfere with acetylcholine release locally.. loperamide : A synthetic piperidine derivative, effective against diarrhoea resulting from gastroenteritis or inflammatory bowel disease. | 2.05 | 1 | 0 | monocarboxylic acid amide; monochlorobenzenes; piperidines; tertiary alcohol | anticoronaviral agent; antidiarrhoeal drug; mu-opioid receptor agonist |
loratadine Loratadine: A second-generation histamine H1 receptor antagonist used in the treatment of allergic rhinitis and urticaria. Unlike most classical antihistamines (HISTAMINE H1 ANTAGONISTS) it lacks central nervous system depressing effects such as drowsiness.. loratadine : A benzocycloheptapyridine that is 6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine substituted by a chloro group at position 8 and a 1-(ethoxycarbonyl)piperidin-4-ylidene group at position 11. It is a H1-receptor antagonist commonly employed in the treatment of allergic disorders. | 2.46 | 2 | 0 | benzocycloheptapyridine; ethyl ester; N-acylpiperidine; organochlorine compound; tertiary carboxamide | anti-allergic agent; cholinergic antagonist; geroprotector; H1-receptor antagonist |
lorazepam Lorazepam: A benzodiazepine used as an anti-anxiety agent with few side effects. It also has hypnotic, anticonvulsant, and considerable sedative properties and has been proposed as a preanesthetic agent. | 2.45 | 2 | 0 | benzodiazepine | |
losartan Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.. losartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position | 2.05 | 1 | 0 | biphenylyltetrazole; imidazoles | angiotensin receptor antagonist; anti-arrhythmia drug; antihypertensive agent; endothelin receptor antagonist |
loxapine Loxapine: An antipsychotic agent used in SCHIZOPHRENIA. | 2.04 | 1 | 0 | dibenzooxazepine | antipsychotic agent; dopaminergic antagonist |
mafenide Mafenide: A sulfonamide that inhibits the enzyme CARBONIC ANHYDRASE and is used as a topical anti-bacterial agent, especially in burn therapy. | 1.96 | 1 | 0 | aromatic amine | |
malathion Malathion: A wide spectrum aliphatic organophosphate insecticide widely used for both domestic and commercial agricultural purposes.. malathion : A racemate comprising equimolar amounts of (R) and (S)-malathion. It is a broad spectrum organophosphate proinsecticide used to control a wide range of pests including Coleoptera, Diptera, fruit flies, mosquitos and spider mites.. diethyl 2-[(dimethoxyphosphorothioyl)thio]succinate : A diester that is diethyl succinate in which position 2 is substituted by a (dimethoxyphosphorothioyl)thio group. | 2.05 | 1 | 0 | diester; ethyl ester; organic thiophosphate | |
diisopropyl 1,3-dithiol-2-ylidenemalonate diisopropyl 1,3-dithiol-2-ylidenemalonate: structure in first source | 2.05 | 1 | 0 | isopropyl ester | |
manidipine [no description available] | 2.31 | 1 | 0 | diarylmethane | |
maprotiline Maprotiline: A bridged-ring tetracyclic antidepressant that is both mechanistically and functionally similar to the tricyclic antidepressants, including side effects associated with its use. | 2.75 | 3 | 0 | anthracenes | |
mazindol Mazindol: Tricyclic anorexigenic agent unrelated to and less toxic than AMPHETAMINE, but with some similar side effects. It inhibits uptake of catecholamines and blocks the binding of cocaine to the dopamine uptake transporter. | 2.46 | 2 | 0 | organic molecular entity | |
mebendazole Mebendazole: A benzimidazole that acts by interfering with CARBOHYDRATE METABOLISM and inhibiting polymerization of MICROTUBULES.. mebendazole : A carbamate ester that is methyl 1H-benzimidazol-2-ylcarbamate substituted by a benzoyl group at position 5. | 2.47 | 2 | 0 | aromatic ketone; benzimidazoles; carbamate ester | antinematodal drug; microtubule-destabilising agent; tubulin modulator |
mechlorethamine nitrogen mustard : Compounds having two beta-haloalkyl groups bound to a nitrogen atom, as in (X-CH2-CH2)2NR. | 2.45 | 2 | 0 | nitrogen mustard; organochlorine compound | alkylating agent |
meclizine Meclizine: A histamine H1 antagonist used in the treatment of motion sickness, vertigo, and nausea during pregnancy and radiation sickness. | 2.05 | 1 | 0 | diarylmethane | |
meclofenoxate Meclofenoxate: An ester of DIMETHYLAMINOETHANOL and para-chlorophenoxyacetic acid. | 2.05 | 1 | 0 | monocarboxylic acid | |
mefenamic acid Mefenamic Acid: A non-steroidal anti-inflammatory agent with analgesic, anti-inflammatory, and antipyretic properties. It is an inhibitor of cyclooxygenase.. mefenamic acid : An aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,3-dimethylphenyl group. Although classed as a non-steroidal anti-inflammatory drug, its anti-inflammatory properties are considered to be minor. It is used to relieve mild to moderate pain, including headaches, dental pain, osteoarthritis and rheumatoid arthritis. | 2.47 | 2 | 0 | aminobenzoic acid; secondary amino compound | analgesic; antipyretic; antirheumatic drug; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
mefloquine hydrochloride [2,8-bis(trifluoromethyl)quinolin-4-yl]-(2-piperidyl)methanol : An organofluorine compound that consists of quinoline bearing trifluoromethyl substituents at positions 2 and 8 as well as a (2-piperidinyl)hydroxymethyl substituent at position 4. | 2.05 | 1 | 0 | organofluorine compound; piperidines; quinolines; secondary alcohol | |
memantine [no description available] | 4.06 | 4 | 0 | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist |
vitamin k 3 Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.45 | 2 | 0 | 1,4-naphthoquinones; vitamin K | angiogenesis inhibitor; antineoplastic agent; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; human urinary metabolite; nutraceutical |
meperidine Meperidine: A narcotic analgesic that can be used for the relief of most types of moderate to severe pain, including postoperative pain and the pain of labor. Prolonged use may lead to dependence of the morphine type; withdrawal symptoms appear more rapidly than with morphine and are of shorter duration.. pethidine : A piperidinecarboxylate ester that is piperidine which is substituted by a methyl group at position 1 and by phenyl and ethoxycarbonyl groups at position 4. It is an analgesic which is used for the treatment of moderate to severe pain, including postoperative pain and labour pain. | 2.05 | 1 | 0 | ethyl ester; piperidinecarboxylate ester; tertiary amino compound | antispasmodic drug; kappa-opioid receptor agonist; mu-opioid receptor agonist; opioid analgesic |
mephenesin Mephenesin: A centrally acting muscle relaxant with a short duration of action.. 1-(2-methylphenyl)glycerol : A glycerol ether in which a single 2-methylphenyl group is attached at position 1 of glycerol via an ether linkage. | 1.96 | 1 | 0 | aromatic ether; glycerol ether | |
mephenytoin Mephenytoin: An anticonvulsant effective in tonic-clonic epilepsy (EPILEPSY, TONIC-CLONIC). It may cause blood dyscrasias.. mephenytoin : An imidazolidine-2,4-dione (hydantoin) in which the imidazolidine nucleus carries a methyl group at N-3 and has ethyl and phenyl substituents at C-5. An anticonvulsant, it is no longer available in the USA or the UK but is still studied largely because of its interesting hydroxylation polymorphism. | 2.74 | 3 | 0 | imidazolidine-2,4-dione | anticonvulsant |
mepivacaine Mepivacaine: A local anesthetic that is chemically related to BUPIVACAINE but pharmacologically related to LIDOCAINE. It is indicated for infiltration, nerve block, and epidural anesthesia. Mepivacaine is effective topically only in large doses and therefore should not be used by this route. (From AMA Drug Evaluations, 1994, p168). mepivacaine : A piperidinecarboxamide in which N-methylpipecolic acid and 2,6-dimethylaniline have combined to form the amide bond. It is used as a local amide-type anaesthetic. | 2.45 | 2 | 0 | piperidinecarboxamide | drug allergen; local anaesthetic |
meprobamate Meprobamate: A carbamate with hypnotic, sedative, and some muscle relaxant properties, although in therapeutic doses reduction of anxiety rather than a direct effect may be responsible for muscle relaxation. Meprobamate has been reported to have anticonvulsant actions against petit mal seizures, but not against grand mal seizures (which may be exacerbated). It is used in the treatment of ANXIETY DISORDERS, and also for the short-term management of INSOMNIA but has largely been superseded by the BENZODIAZEPINES. (From Martindale, The Extra Pharmacopoeia, 30th ed, p603) | 2.45 | 2 | 0 | organic molecular entity | |
mesalamine Mesalamine: An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed). mesalamine : A monohydroxybenzoic acid that is salicylic acid substituted by an amino group at the 5-position. | 2.05 | 1 | 0 | amino acid; aromatic amine; monocarboxylic acid; monohydroxybenzoic acid; phenols | non-steroidal anti-inflammatory drug |
mesoridazine Mesoridazine: A phenothiazine antipsychotic with effects similar to CHLORPROMAZINE.. mesoridazine : A phenothiazine substituted at position 2 (para to the S atom) by a methylsulfinyl group, and on the nitrogen by a 2-(1-methylpiperidin-2-yl)ethyl group. | 2.04 | 1 | 0 | phenothiazines; sulfoxide; tertiary amino compound | dopaminergic antagonist; first generation antipsychotic |
metformin Metformin: A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289). metformin : A member of the class of guanidines that is biguanide the carrying two methyl substituents at position 1. | 2.75 | 3 | 0 | guanidines | environmental contaminant; geroprotector; hypoglycemic agent; xenobiotic |
methadone Methadone: A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3). methadone : A racemate comprising equimolar amounts of dextromethadone and levomethadone. It is a opioid analgesic which is used as a painkiller and as a substitute for heroin in the treatment of heroin addiction.. 6-(dimethylamino)-4,4-diphenylheptan-3-one : A ketone that is heptan-3-one substituted by a dimethylamino group at position 6 and two phenyl groups at position 4. | 2.05 | 1 | 0 | benzenes; diarylmethane; ketone; tertiary amino compound | |
methapyrilene Methapyrilene: Histamine H1 antagonist with sedative action used as a hypnotic and in allergies.. methapyrilene : A member of the class of ethylenediamine derivatives that is ethylenediamine in which one of the nitrogens is substituted by two methyl groups, and the other nitrogen is substituted by a 2-pyridyl group and a (2-thienyl)methyl group. | 2.04 | 1 | 0 | ethylenediamine derivative | anti-allergic agent; carcinogenic agent; H1-receptor antagonist; sedative |
methazolamide Methazolamide: A carbonic anhydrase inhibitor that is used as a diuretic and in the treatment of glaucoma. | 2.04 | 1 | 0 | sulfonamide; thiadiazoles | |
methocarbamol Methocarbamol: A centrally acting muscle relaxant whose mode of action has not been established. It is used as an adjunct in the symptomatic treatment of musculoskeletal conditions associated with painful muscle spasm. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1206). methocarbamol : A racemate comprising equimolar amounts of (R)- and (S)-methocarbamol. A centrally acting skeletal muscle relaxant, it is used as an adjunct in the short-term symptomatic treatment of painful muscle spasm. The (R)-enantiomer is more active than the (S)-enantiomer.. 2-hydroxy-3-(2-methoxyphenoxy)propyl carbamate : A carbamate ester that is glycerol in which one of the primary alcohol groups has been converted to its 2-methoxyphenyl ether while the other has been converted to the corresponding carbamate ester. | 2.04 | 1 | 0 | aromatic ether; carbamate ester; secondary alcohol | |
methoxyamine methoxyamine: analytical reagent for aldehydes and ketones; strong irritant, can probably produce methemoglobinemia; RN given refers to parent cpd; structure | 2.05 | 1 | 0 | organooxygen compound | |
methoxsalen Methoxsalen: A naturally occurring furocoumarin compound found in several species of plants, including Psoralea corylifolia. It is a photoactive substance that forms DNA ADDUCTS in the presence of ultraviolet A irradiation.. methoxsalen : A member of the class of psoralens that is 7H-furo[3,2-g]chromen-7-one in which the 9 position is substituted by a methoxy group. It is a constituent of the fruits of Ammi majus. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered topically or orally in conjunction with UV-A for phototherapy treatment of vitiligo and severe psoriasis. | 2.05 | 1 | 0 | aromatic ether; psoralens | antineoplastic agent; cross-linking reagent; dermatologic drug; photosensitizing agent; plant metabolite |
methoxyflurane Methoxyflurane: An inhalation anesthetic. Currently, methoxyflurane is rarely used for surgical, obstetric, or dental anesthesia. If so employed, it should be administered with NITROUS OXIDE to achieve a relatively light level of anesthesia, and a neuromuscular blocking agent given concurrently to obtain the desired degree of muscular relaxation. (From AMA Drug Evaluations Annual, 1994, p180). methoxyflurane : An ether in which the two groups attached to the central oxygen atom are methyl and 2,2-dichloro-1,1-difluoroethyl. | 2.74 | 3 | 0 | ether; organochlorine compound; organofluorine compound | hepatotoxic agent; inhalation anaesthetic; nephrotoxic agent; non-narcotic analgesic |
methyclothiazide Methyclothiazide: A thiazide diuretic with properties similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p825) | 2.04 | 1 | 0 | benzothiadiazine | |
methyl salicylate methyl salicylate: used in over-the-counter liniments, ointments, lotions for relief of musculoskeletal aches and pains; has hemolytic effect on human & sheep erythrocytes; RN given refers to parent cpd; structure in Merck Index, 9th ed, #5990. methyl salicylate : A benzoate ester that is the methyl ester of salicylic acid. | 2.45 | 2 | 0 | benzoate ester; methyl ester; salicylates | flavouring agent; insect attractant; metabolite |
methylphenidate Methylphenidate: A central nervous system stimulant used most commonly in the treatment of ATTENTION DEFICIT DISORDER in children and for NARCOLEPSY. Its mechanisms appear to be similar to those of DEXTROAMPHETAMINE. The d-isomer of this drug is referred to as DEXMETHYLPHENIDATE HYDROCHLORIDE.. methylphenidate : A racemate comprising equimolar amounts of the two threo isomers of methyl phenyl(piperidin-2-yl)acetate. A central stimulant and indirect-acting sympathomimetic, is used (generally as the hydrochloride salt) in the treatment of hyperactivity disorders in children and for the treatment of narcolepsy.. methyl phenyl(piperidin-2-yl)acetate : A amino acid ester that is methyl phenylacetate in which one of the hydrogens alpha to the carbonyl group is replaced by a piperidin-2-yl group. | 2.74 | 3 | 0 | beta-amino acid ester; methyl ester; piperidines | |
methyprylon methyprylon: was heading 1973-94 (see under HYPNOTICS AND SEDATIVES 1963-72); use PIPERIDONES to search METHYPRYLON 1973-94 | 2.45 | 2 | 0 | organic molecular entity | |
metoclopramide Metoclopramide: A dopamine D2 antagonist that is used as an antiemetic.. metoclopramide : A member of the class of benzamides resulting from the formal condensation of 4-amino-5-chloro-2-methoxybenzoic acid with the primary amino group of N,N-diethylethane-1,2-diamine. | 2.97 | 4 | 0 | benzamides; monochlorobenzenes; substituted aniline; tertiary amino compound | antiemetic; dopaminergic antagonist; environmental contaminant; gastrointestinal drug; xenobiotic |
metoprolol Metoprolol: A selective adrenergic beta-1 blocking agent that is commonly used to treat ANGINA PECTORIS; HYPERTENSION; and CARDIAC ARRHYTHMIAS.. metoprolol : A propanolamine that is 1-(propan-2-ylamino)propan-2-ol substituted by a 4-(2-methoxyethyl)phenoxy group at position 1. | 2.75 | 3 | 0 | aromatic ether; propanolamine; secondary alcohol; secondary amino compound | antihypertensive agent; beta-adrenergic antagonist; environmental contaminant; geroprotector; xenobiotic |
metronidazole Metronidazole: A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS.. metronidazole : A member of the class of imidazoles substituted at C-1, -2 and -5 with 2-hydroxyethyl, nitro and methyl groups respectively. It has activity against anaerobic bacteria and protozoa, and has a radiosensitising effect on hypoxic tumour cells. It may be given by mouth in tablets, or as the benzoate in an oral suspension. The hydrochloride salt can be used in intravenous infusions. Metronidazole is a prodrug and is selective for anaerobic bacteria due to their ability to intracellularly reduce the nitro group of metronidazole to give nitroso-containing intermediates. These can covalently bind to DNA, disrupting its helical structure, inducing DNA strand breaks and inhibiting bacterial nucleic acid synthesis, ultimately resulting in bacterial cell death. | 6.58 | 19 | 3 | C-nitro compound; imidazoles; primary alcohol | antiamoebic agent; antibacterial drug; antimicrobial agent; antiparasitic agent; antitrichomonal drug; environmental contaminant; prodrug; radiosensitizing agent; xenobiotic |
metyrapone Metyrapone: An inhibitor of the enzyme STEROID 11-BETA-MONOOXYGENASE. It is used as a test of the feedback hypothalamic-pituitary mechanism in the diagnosis of CUSHING SYNDROME.. metyrapone : An aromatic ketone that is 3,3-dimethylbutan-2-one in which the methyl groups at positions 1 and 4 are replaced by pyridin-3-yl groups. A steroid 11beta-monooxygenase (EC 1.14.15.4) inhibitor, it is used in the diagnosis of adrenal insufficiency. | 2.45 | 2 | 0 | aromatic ketone | antimetabolite; diagnostic agent; EC 1.14.15.4 (steroid 11beta-monooxygenase) inhibitor |
mexiletine Mexiletine: Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant properties.. mexiletine : An aromatic ether which is 2,6-dimethylphenyl ether of 2-aminopropan-1-ol. | 2.75 | 3 | 0 | aromatic ether; primary amino compound | anti-arrhythmia drug |
mianserin Mianserin: A tetracyclic compound with antidepressant effects. It may cause drowsiness and hematological problems. Its mechanism of therapeutic action is not well understood, although it apparently blocks alpha-adrenergic, histamine H1, and some types of serotonin receptors.. mianserin : A dibenzoazepine (specifically 1,2,3,4,10,14b-hexahydrodibenzo[c,f]pyrazino[1,2-a]azepine) methyl-substituted on N-2. Closely related to (and now mostly superseded by) the tetracyclic antidepressant mirtazapinean, it is an atypical antidepressant used in the treatment of depression throughout Europe and elsewhere. | 2.74 | 3 | 0 | dibenzoazepine | adrenergic uptake inhibitor; alpha-adrenergic antagonist; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; geroprotector; H1-receptor antagonist; histamine agonist; sedative; serotonergic antagonist |
miconazole Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion.. 1-[2-(2,4-dichlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 2,4-dichlorobenzyl group.. miconazole : A racemate composed of equimolar amounts of (R)- and (S)-miconazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. | 2.05 | 1 | 0 | dichlorobenzene; ether; imidazoles | |
midazolam Midazolam: A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentistry, cardiac surgery, endoscopic procedures, as preanesthetic medication, and as an adjunct to local anesthesia. The short duration and cardiorespiratory stability makes it useful in poor-risk, elderly, and cardiac patients. It is water-soluble at pH less than 4 and lipid-soluble at physiological pH.. midazolam : An imidazobenzodiazepine that is 4H-imidazo[1,5-a][1,4]benzodiazepine which is substituted by a methyl, 2-fluorophenyl and chloro groups at positions 1, 6 and 8, respectively. | 2.75 | 3 | 0 | imidazobenzodiazepine; monofluorobenzenes; organochlorine compound | anticonvulsant; antineoplastic agent; anxiolytic drug; apoptosis inducer; central nervous system depressant; GABAA receptor agonist; general anaesthetic; muscle relaxant; sedative |
minoxidil Minoxidil: A potent direct-acting peripheral vasodilator (VASODILATOR AGENTS) that reduces peripheral resistance and produces a fall in BLOOD PRESSURE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p371). minoxidil : A pyrimidine N-oxide that is pyrimidine-2,4-diamine 3-oxide substituted by a piperidin-1-yl group at position 6. | 2.97 | 4 | 0 | dialkylarylamine; tertiary amino compound | |
mirtazapine Mirtazapine: A piperazinoazepine tetracyclic compound that enhances the release of NOREPINEPHRINE and SEROTONIN through blockage of presynaptic ALPHA-2 ADRENERGIC RECEPTORS. It also blocks both 5-HT2 and 5-HT3 serotonin receptors and is a potent HISTAMINE H1 RECEPTOR antagonist. It is used for the treatment of depression, and may also be useful for the treatment of anxiety disorders. | 2.47 | 2 | 0 | benzazepine; tetracyclic antidepressant | alpha-adrenergic antagonist; anxiolytic drug; H1-receptor antagonist; histamine antagonist; oneirogen; serotonergic antagonist |
mitotane Mitotane: A derivative of the insecticide DICHLORODIPHENYLDICHLOROETHANE that specifically inhibits cells of the adrenal cortex and their production of hormones. It is used to treat adrenocortical tumors and causes CNS damage, but no bone marrow depression. | 2.05 | 1 | 0 | diarylmethane | |
mitoxantrone Mitoxantrone: An anthracenedione-derived antineoplastic agent.. mitoxantrone : A dihydroxyanthraquinone that is 1,4-dihydroxy-9,10-anthraquinone which is substituted by 6-hydroxy-1,4-diazahexyl groups at positions 5 and 8. | 2.45 | 2 | 0 | dihydroxyanthraquinone | analgesic; antineoplastic agent |
moclobemide Moclobemide: A reversible inhibitor of monoamine oxidase type A; (RIMA); (see MONOAMINE OXIDASE INHIBITORS) that has antidepressive properties.. moclobemide : A member of the class of benzamides that is benzamide substituted by a chloro group at position 4 and a 2-(morpholin-4-yl)ethyl group at the nitrogen atom. It acts as a reversible monoamine oxidase inhibitor and is used in the treatment of depression. | 2.46 | 2 | 0 | benzamides; monochlorobenzenes; morpholines | antidepressant; environmental contaminant; xenobiotic |
modafinil Modafinil: A benzhydryl acetamide compound, central nervous system stimulant, and CYP3A4 inducing agent that is used in the treatment of NARCOLEPSY and SLEEP WAKE DISORDERS.. modafinil : A racemate comprising equimolar amounts of armodafinil and (S)-modafinil. A central nervous system stimulant, it is used for the treatment of sleeping disorders such as narcolepsy, obstructive sleep apnoea, and shift-work sleep disorder. The optical enantiomers of modafinil have similar pharmacological actions in animals.. 2-[(diphenylmethyl)sulfinyl]acetamide : A sulfoxide that is dimethylsulfoxide in which two hydrogens attached to one of the methyl groups are replaced by phenyl groups, while one hydrogen attached to the other methyl group is replaced by a carbamoyl (aminocarbonyl) group. | 2.45 | 2 | 0 | monocarboxylic acid amide; sulfoxide | |
moxisylyte Moxisylyte: An alpha-adrenergic blocking agent that is used in Raynaud's disease. It is also used locally in the eye to reverse the mydriasis caused by phenylephrine and other sympathomimetic agents. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1312) | 2.45 | 2 | 0 | monoterpenoid | |
deet N,N-diethyl-m-toluamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of m-toluic acid with the nitrogen of diethylamine. First developed by the U.S. Army in 1946 for use by military personnel in insect-infested areas, it is the most widely used insect repellent worldwide. | 2.05 | 1 | 0 | benzamides; monocarboxylic acid amide | environmental contaminant; insect repellent; xenobiotic |
acecainide Acecainide: A major metabolite of PROCAINAMIDE. Its anti-arrhythmic action may cause cardiac toxicity in kidney failure.. N-acetylprocainamide : A benzamide obtained via formal condensation of 4-acetamidobenzoic acid and 2-(diethylamino)ethylamine. | 2.08 | 1 | 0 | acetamides; benzamides | anti-arrhythmia drug |
clorgyline Clorgyline: An antidepressive agent and monoamine oxidase inhibitor related to PARGYLINE.. clorgyline : An aromatic ether that is the 2,4-dichlorophenyl ether of 3-aminopropan-1-ol in which the nitrogen is substituted by a methyl group and a prop-1-yn-3-yl group. A monoamine oxidase inhibitor, it was formerly used as an antidepressant. | 3.02 | 4 | 0 | aromatic ether; dichlorobenzene; terminal acetylenic compound; tertiary amino compound | antidepressant; EC 1.4.3.4 (monoamine oxidase) inhibitor |
nabumetone Nabumetone: A butanone non-steroidal anti-inflammatory drug and cyclooxygenase-2 (COX2) inhibitor that is used in the management of pain associated with OSTEOARTHRITIS and RHEUMATOID ARTHRITIS.. nabumetone : A methyl ketone that is 2-butanone in which one of the methyl hydrogens at position 4 is replaced by a 6-methoxy-2-naphthyl group. A prodrug that is converted to the active metabolite, 6-methoxy-2-naphthylacetic acid, following oral administration. It is shown to have a slightly lower risk of gastrointestinal side effects than most other non-steroidal anti-inflammatory drugs. | 2.46 | 2 | 0 | methoxynaphthalene; methyl ketone | cyclooxygenase 2 inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug |
nadolol [no description available] | 2.08 | 1 | 0 | tetralins | |
nalidixic acid [no description available] | 3.37 | 7 | 0 | 1,8-naphthyridine derivative; monocarboxylic acid; quinolone antibiotic | antibacterial drug; antimicrobial agent; DNA synthesis inhibitor |
nefazodone nefazodone: may be useful as an opiate adjunct | 2.75 | 3 | 0 | aromatic ether; monochlorobenzenes; N-alkylpiperazine; N-arylpiperazine; triazoles | alpha-adrenergic antagonist; analgesic; antidepressant; serotonergic antagonist; serotonin uptake inhibitor |
nefopam Nefopam: Non-narcotic analgesic chemically similar to ORPHENADRINE. Its mechanism of action is unclear. It is used for the relief of acute and chronic pain. (From Martindale, The Extra Pharmacopoeia, 30th ed, p26). nefopam : A racemate comprising equal amounts of (R)- and (S)-nefopam. The hydrochloride is a centrally acting non-opiate analgesic commonly used for the treatment of moderate to severe pain.. 5-methyl-1-phenyl-3,4,5,6-tetrahydro-1H-2,5-benzoxazocine : A member of the class of benzoxazocines that is 3,4,5,6-tetrahydro-1H-2,5-benzoxazocine substituted by phenyl and methyl groups at positions 1 and 5 respectively. | 2.08 | 1 | 0 | benzoxazocine; tertiary amino compound | |
neostigmine Neostigmine: A cholinesterase inhibitor used in the treatment of myasthenia gravis and to reverse the effects of muscle relaxants such as gallamine and tubocurarine. Neostigmine, unlike PHYSOSTIGMINE, does not cross the blood-brain barrier.. neostigmine : A quaternary ammonium ion comprising an anilinium ion core having three methyl substituents on the aniline nitrogen, and a 3-[(dimethylcarbamoyl)oxy] substituent at position 3. It is a parasympathomimetic which acts as a reversible acetylcholinesterase inhibitor. | 2.08 | 1 | 0 | quaternary ammonium ion | antidote to curare poisoning; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
nevirapine Nevirapine: A potent, non-nucleoside reverse transcriptase inhibitor used in combination with nucleoside analogues for treatment of HIV INFECTIONS and AIDS.. nevirapine : A dipyridodiazepine that is 5,11-dihydro-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepine which is substituted by methyl, oxo, and cyclopropyl groups at positions 4, 6, and 11, respectively. A non-nucleoside reverse transcriptase inhibitor with activity against HIV-1, it is used in combination with other antiretrovirals for the treatment of HIV infection. | 2.47 | 2 | 0 | cyclopropanes; dipyridodiazepine | antiviral drug; HIV-1 reverse transcriptase inhibitor |
nialamide Nialamide: An MAO inhibitor that is used as an antidepressive agent. | 2.05 | 1 | 0 | organonitrogen compound; organooxygen compound | |
nicardipine Nicardipine: A potent calcium channel blockader with marked vasodilator action. It has antihypertensive properties and is effective in the treatment of angina and coronary spasms without showing cardiodepressant effects. It has also been used in the treatment of asthma and enhances the action of specific antineoplastic agents.. nicardipine : A racemate comprising equimolar amounts of (R)- and (S)-nicardipine. It is a calcium channel blocker which is used to treat hypertension.. 2-[benzyl(methyl)amino]ethyl methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate : A dihydropyridine that is 1,4-dihydropyridine substituted by a methyl, {2-[benzyl(methyl)amino]ethoxy}carbonyl, 3-nitrophenyl, methoxycarbonyl and methyl groups at positions 2, 3, 4, 5 and 6, respectively. | 2.46 | 2 | 0 | benzenes; C-nitro compound; diester; dihydropyridine; methyl ester; tertiary amino compound | |
niceritrol Niceritrol: An ester of nicotinic acid that lowers cholesterol and triglycerides in total plasma and in the VLD- and LD-lipoprotein fractions. | 2.05 | 1 | 0 | organic molecular entity | |
nifedipine Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 2.97 | 4 | 0 | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
niflumic acid Niflumic Acid: An analgesic and anti-inflammatory agent used in the treatment of rheumatoid arthritis. | 2.05 | 1 | 0 | aromatic carboxylic acid; pyridines | |
nilutamide [no description available] | 2.05 | 1 | 0 | (trifluoromethyl)benzenes; C-nitro compound; imidazolidinone | androgen antagonist; antineoplastic agent |
nimesulide nimesulide: structure. nimesulide : An aromatic ether having phenyl and 2-methylsulfonamido-5-nitrophenyl as the two aryl groups. | 2.47 | 2 | 0 | aromatic ether; C-nitro compound; sulfonamide | cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
nimetazepam nimetazepam : A nitrazepam which is substituted at positions 1 by a methyl group. It is used as an anticonvulsant and as a hypnotic for the short-term management of insomnia. | 2.39 | 2 | 0 | 1,4-benzodiazepinone; C-nitro compound | anticonvulsant; antispasmodic drug; GABA modulator; sedative |
nimodipine Nimodipine: A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects and lowers blood pressure.. nimodipine : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a (2-methoxyethoxy)carbonyl group at position 3, a m-nitrophenyl group at position 4, and an isopropoxycarbonyl group at position 5. An L-type calcium channel blocker, it acts particularly on cerebral circulation, and is used both orally and intravenously for the prevention and treatment of subarachnoid hemorrhage from ruptured intracranial aneurysm. | 2.97 | 4 | 0 | 2-methoxyethyl ester; C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; isopropyl ester | antihypertensive agent; calcium channel blocker; cardiovascular drug; vasodilator agent |
nisoldipine Nisoldipine: A dihydropyridine calcium channel antagonist that acts as a potent arterial vasodilator and antihypertensive agent. It is also effective in patients with cardiac failure and angina.. nisoldipine : A racemate consisting of equimolar amounts of (R)- and (S)-nisoldipine. A calcium channel blocker, it is used in the treatment of hypertension and angina pectoris.. methyl 2-methylpropyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a methoxycarbonyl group at position 3, an o-nitrophenyl group at position 4, and an isobutoxycarbonyl group at position 5. The racemate, a calcium channel blocker, is used in the treatment of hypertension and angina pectoris. | 2.47 | 2 | 0 | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; methyl ester | |
nitrazepam Nitrazepam: A benzodiazepine derivative used as an anticonvulsant and hypnotic.. nitrazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one which is substituted at positions 5 and 7 by phenyl and nitro groups, respectively. It is used as a hypnotic for the short-term management of insomnia and for the treatment of epileptic spasms in infants (West's syndrome). | 2.93 | 4 | 0 | 1,4-benzodiazepinone; C-nitro compound | anticonvulsant; antispasmodic drug; drug metabolite; GABA modulator; sedative |
nitrendipine Nitrendipine: A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium retentive.. nitrendipine : A dihydropyridine that is 1,4-dihydropyridine substituted by methyl groups at positions 2 and 6, a 3-nitrophenyl group at position 4, a ethoxycarbonyl group at position 3 and a methoxycarbonyl group at position 5. It is a calcium-channel blocker used in the treatment of hypertension. | 3.15 | 5 | 0 | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; ethyl ester; methyl ester | antihypertensive agent; calcium channel blocker; geroprotector; vasodilator agent |
nitroglycerin Nitroglycerin: A volatile vasodilator which relieves ANGINA PECTORIS by stimulating GUANYLATE CYCLASE and lowering cytosolic calcium. It is also sometimes used for TOCOLYSIS and explosives.. nitroglycerol : A nitrate ester that is glycerol in which nitro group(s) replace the hydrogen(s) attached to one or more of the hydroxy groups.. nitroglycerin : A nitroglycerol that is glycerol in which the hydrogen atoms of all three hydroxy groups are replaced by nitro groups. It acts as a prodrug, releasing nitric oxide to open blood vessels and so alleviate heart pain. | 2.74 | 3 | 0 | nitroglycerol | explosive; muscle relaxant; nitric oxide donor; prodrug; tocolytic agent; vasodilator agent; xenobiotic |
nizatidine [no description available] | 2.05 | 1 | 0 | 1,3-thiazoles; C-nitro compound; carboxamidine; organic sulfide; tertiary amino compound | anti-ulcer drug; cholinergic drug; H2-receptor antagonist |
nomifensine Nomifensine: An isoquinoline derivative that prevents dopamine reuptake into synaptosomes. The maleate was formerly used in the treatment of depression. It was withdrawn worldwide in 1986 due to the risk of acute hemolytic anemia with intravascular hemolysis resulting from its use. In some cases, renal failure also developed. (From Martindale, The Extra Pharmacopoeia, 30th ed, p266). nomifensine : An N-methylated tetrahydroisoquinoline carrying phenyl and amino substituents at positions C-4 and C-8, respectively. | 2.45 | 2 | 0 | isoquinolines | dopamine uptake inhibitor |
masoprocol nordihydroguaretic acid: antioxidant compound found in the creosote bush (Larrea tridentata) | 2.05 | 1 | 0 | catechols; lignan; tetrol | antioxidant; ferroptosis inhibitor; geroprotector; plant metabolite |
norfloxacin Norfloxacin: A synthetic fluoroquinolone (FLUOROQUINOLONES) with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin inhibits bacterial DNA GYRASE.. norfloxacin : A quinolinemonocarboxylic acid with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin is bactericidal and its mode of action depends on blocking of bacterial DNA replication by binding itself to an enzyme called DNA gyrase. | 2.76 | 3 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antibacterial drug; DNA synthesis inhibitor; environmental contaminant; xenobiotic |
cm 7116 norflutoprazepam: structure | 1.95 | 1 | 0 | benzodiazepine | |
nortriptyline Nortriptyline: A metabolite of AMITRIPTYLINE that is also used as an antidepressive agent. Nortriptyline is used in major depression, dysthymia, and atypical depressions.. nortriptyline : An organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(methylamino)propylidene group at position 5. It is an active metabolite of amitriptyline. | 2.97 | 4 | 0 | organic tricyclic compound; secondary amine | adrenergic uptake inhibitor; analgesic; antidepressant; antineoplastic agent; apoptosis inducer; drug metabolite |
nylidrin Nylidrin: A beta-adrenergic agonist. Nylidrin causes peripheral vasodilation, a positive inotropic effect, and increased gastric volume of gastric juice. It is used in the treatment of peripheral vascular disorders and premature labor. | 2.04 | 1 | 0 | alkylbenzene | |
ofloxacin Ofloxacin: A synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.. 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid : An oxazinoquinoline that is 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one substituted by methyl, carboxy, fluoro, and 4-methylpiperazin-1-yl groups at positions 3, 6, 9, and 10, respectively.. ofloxacin : A racemate comprising equimolar amounts of levofloxacin and dextrofloxacin. It is a synthetic fluoroquinolone antibacterial agent which inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication. | 3.21 | 5 | 0 | 3-oxo monocarboxylic acid; N-arylpiperazine; N-methylpiperazine; organofluorine compound; oxazinoquinoline | |
olomoucine olomoucine: inhibits protein P34CDC2. olomoucine : A 9H-purine that is substituted by a (2-hydroxyethyl)nitrilo, benzylnitrilo and a methyl group at positions 2,6 and 9, respectively. It is a cyclin-dependent kinase inhibitor. | 2.05 | 1 | 0 | 2,6-diaminopurines; ethanolamines | EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
omeprazole Omeprazole: A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS.. omeprazole : A racemate comprising equimolar amounts of (R)- and (S)-omeprazole.. 5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole : A member of the class of benzimidazoles that is 1H-benzimidazole which is substituted by a [4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl group at position 2 and a methoxy group at position 5. | 2.97 | 4 | 0 | aromatic ether; benzimidazoles; pyridines; sulfoxide | |
ondansetron Ondansetron: A competitive serotonin type 3 receptor antagonist. It is effective in the treatment of nausea and vomiting caused by cytotoxic chemotherapy drugs, including cisplatin, and has reported anxiolytic and neuroleptic properties. | 2.47 | 2 | 0 | carbazoles | |
orphenadrine Orphenadrine: A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm.. orphenadrine : A tertiary amino compound which is the phenyl-o-tolylmethyl ether of 2-(dimethylamino)ethanol. | 2.05 | 1 | 0 | ether; tertiary amino compound | antidyskinesia agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist; muscle relaxant; NMDA receptor antagonist; parasympatholytic |
oxamniquine Oxamniquine: An anthelmintic with schistosomicidal activity against Schistosoma mansoni, but not against other Schistosoma spp. Oxamniquine causes worms to shift from the mesenteric veins to the liver where the male worms are retained; the female worms return to the mesentery, but can no longer release eggs. (From Martindale, The Extra Pharmacopoeia, 31st ed, p121). oxamniquine : A racemate comprising equimolar amounts of (R)- and (S)-oxamniquine. An anthelmintic, it is administered orally for the treatment of schistomiasis caused by Schistosoma mansoni (but not by other Schistosoma species); intramuscular administration is no longer used as it causes severe pain at the injection site.. {2-[(isopropylamino)methyl]-7-nitro-1,2,3,4-tetrahydroquinolin-6-yl}methanol : A member of the class of quinolines that is 1,2,3,4-tetrahydroquinoline which is substituted at positions 2, 6, and 7 by (isopropylamino)methyl, hydroxymethyl, and nitro groups, respectively. | 2.45 | 2 | 0 | aromatic primary alcohol; C-nitro compound; quinolines; secondary amino compound | |
oxaprozin Oxaprozin: An oxazole-propionic acid derivative, cyclooxygenase inhibitor, and non-steroidal anti-inflammatory drug that is used in the treatment of pain and inflammation associated with of OSTEOARTHRITIS; RHEUMATOID ARTHRITIS; and ARTHRITIS, JUVENILE.. oxaprozin : A monocarboxylic acid that is a propionic acid derivative having a 4,5-diphenyl-1,3-oxazol-2-yl substituent at position 3. It is non-steroidal anti-inflammatory drug commonly used to relieve the pain and inflammatory responses associated with osteoarthritis and rheumatoid arthritis. | 2.47 | 2 | 0 | 1,3-oxazoles; monocarboxylic acid | analgesic; non-steroidal anti-inflammatory drug |
oxatomide oxatomide: structure; an anti-allergic & an anti-asthmatic. oxatomide : A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one substituted by a 3-[4-(diphenylmethyl)piperazin-1-yl]propyl group at position 1. It is an anti-allergic drug. | 2.05 | 1 | 0 | benzimidazoles; diarylmethane; N-alkylpiperazine | anti-allergic agent; anti-inflammatory agent; geroprotector; H1-receptor antagonist; serotonergic antagonist |
oxazepam Oxazepam: A benzodiazepine used in the treatment of anxiety, alcohol withdrawal, and insomnia.. oxazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a hydroxy group at position 3 and phenyl group at position 5. | 2.46 | 2 | 0 | 1,4-benzodiazepinone; organochlorine compound | anxiolytic drug; environmental contaminant; xenobiotic |
oxethazaine [no description available] | 2.05 | 1 | 0 | amino acid amide | |
oxolinic acid quinolone antibiotic : An organonitrogen heterocyclic antibiotic whose structure contains a quinolone or quinolone-related skeleton. | 2.04 | 1 | 0 | aromatic carboxylic acid; organic heterotricyclic compound; oxacycle; quinolinemonocarboxylic acid; quinolone antibiotic | antibacterial drug; antifungal agent; antiinfective agent; antimicrobial agent; enzyme inhibitor |
oxprenolol Oxprenolol: A beta-adrenergic antagonist used in the treatment of hypertension, angina pectoris, arrhythmias, and anxiety. | 2.74 | 3 | 0 | aromatic ether | |
oxybenzone oxybenzone : A hydroxybenzophenone that is benzophenone which is substituted at the 2- and 4-positions of one of the benzene rings by hydroxy and methoxy groups respectively. | 2.05 | 1 | 0 | hydroxybenzophenone; monomethoxybenzene | dermatologic drug; environmental contaminant; protective agent; ultraviolet filter; xenobiotic |
oxybutynin oxybutynin: RN given refers to parent cpd. oxybutynin : A racemate comprising equimolar amounts of (R)-oxybutynin and esoxybutynin. An antispasmodic used for the treatment of overactive bladder. | 2.08 | 1 | 0 | acetylenic compound; carboxylic ester; racemate; tertiary alcohol; tertiary amino compound | antispasmodic drug; calcium channel blocker; local anaesthetic; muscarinic antagonist; muscle relaxant; parasympatholytic |
oxyphenbutazone Oxyphenbutazone: A non-steroidal anti-inflammatory drug. Oxyphenbutazone eyedrops have been used abroad in the management of postoperative ocular inflammation, superficial eye injuries, and episcleritis. (From AMA, Drug Evaluations Annual, 1994, p2000) It had been used by mouth in rheumatic disorders such as ankylosing spondylitis, osteoarthritis, and rheumatoid arthritis but such use is no longer considered justified owing to the risk of severe hematological adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p27). oxyphenbutazone : A metabolite of phenylbutazone obtained by hydroxylation at position 4 of one of the phenyl rings. Commonly used (as its hydrate) to treat pain, swelling and stiffness associated with arthritis and gout, it was withdrawn from the market 1984 following association with blood dyscrasis and Stevens-Johnson syndrome. | 2.46 | 2 | 0 | phenols; pyrazolidines | antimicrobial agent; antineoplastic agent; antipyretic; drug metabolite; gout suppressant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic metabolite |
aminosalicylic acid Aminosalicylic Acid: An antitubercular agent often administered in association with ISONIAZID. The sodium salt of the drug is better tolerated than the free acid.. 4-aminosalicylic acid : An aminobenzoic acid that is salicylic acid substituted by an amino group at position 4. | 2.46 | 2 | 0 | aminobenzoic acid; phenols | antitubercular agent |
quinone benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.. 1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.. quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included). | 3.03 | 5 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse metabolite |
pamidronate [no description available] | 2.05 | 1 | 0 | phosphonoacetic acid | |
pantoprazole Pantoprazole: 2-pyridinylmethylsulfinylbenzimidazole proton pump inhibitor that is used in the treatment of GASTROESOPHAGEAL REFLUX and PEPTIC ULCER.. pantoprazole : A member of the class of benzimidazoles that is 1H-benzimidazole substituted by a difluoromethoxy group at position 5 and a [(3,4-dimethoxypyridin-2-yl)methyl]sulfinyl group at position 2. | 2.46 | 2 | 0 | aromatic ether; benzimidazoles; organofluorine compound; pyridines; sulfoxide | anti-ulcer drug; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; environmental contaminant; xenobiotic |
papaverine Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.. papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. | 2.47 | 2 | 0 | benzylisoquinoline alkaloid; dimethoxybenzene; isoquinolines | antispasmodic drug; vasodilator agent |
4-dichlorobenzene dichlorobenzene : Any member of the class of chlorobenzenes carrying two chloro groups at unspecified positions.. 1,4-dichlorobenzene : A dichlorobenzene carrying chloro groups at positions 1 and 4. | 2.04 | 1 | 0 | dichlorobenzene | insecticide |
pargyline Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 2.49 | 2 | 0 | aromatic amine | |
pemoline Pemoline: A central nervous system stimulant used in fatigue and depressive states and to treat hyperkinetic disorders in children.. pemoline : A member of the class of 1,3-oxazoles that is 1,3-oxazol-4(5H)-one which is substituted by an amino group at position 2 and by a phenyl group at position 5. A central nervous system stimulant, it was used to treat hyperactivity disorders in children, but withdrawn from use following reports of serious hepatotoxicity. | 2.47 | 2 | 0 | 1,3-oxazoles | central nervous system stimulant |
pentamidine Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects.. pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. | 2.75 | 3 | 0 | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
pentobarbital Pentobarbital: A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236). pentobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 2.45 | 2 | 0 | barbiturates | GABAA receptor agonist |
pentoxifylline [no description available] | 2.75 | 3 | 0 | oxopurine | |
perazine Perazine: A phenothiazine antipsychotic with actions and uses similar to those of CHLORPROMAZINE. Extrapyramidal symptoms may be more common than other side effects.. perazine : A phenothiazine derivative in which 10H-phenothiazinecarries a 3-(4-methylpiperazin-1-yl)propyl substituent at the N-10 position. | 2.05 | 1 | 0 | N-alkylpiperazine; N-methylpiperazine; phenothiazines | dopaminergic antagonist; phenothiazine antipsychotic drug |
perhexiline Perhexiline: 2-(2,2-Dicyclohexylethyl)piperidine. Coronary vasodilator used especially for angina of effort. It may cause neuropathy and hepatitis. | 2.39 | 2 | 0 | piperidines | cardiovascular drug |
perphenazine Perphenazine: An antipsychotic phenothiazine derivative with actions and uses similar to those of CHLORPROMAZINE.. perphenazine : A phenothiazine derivative in which the phenothiazine tricycle carries a chloro substituent at the 2-position and a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at N-10. | 3.15 | 5 | 0 | N-(2-hydroxyethyl)piperazine; N-alkylpiperazine; organochlorine compound; phenothiazines | antiemetic; dopaminergic antagonist; phenothiazine antipsychotic drug |
phenacemide phenacemide: anti-epileptic drug; structure | 2.44 | 2 | 0 | acetamides | |
phenacetin Saridon: contains phenacetin, caffeine, propyphenazone & pyrithyldione | 3.28 | 6 | 0 | acetamides; aromatic ether | cyclooxygenase 3 inhibitor; non-narcotic analgesic; peripheral nervous system drug |
phenazopyridine Phenazopyridine: A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.. phenazopyridine : A diaminopyridine that is 2,6-diaminopyridine substituted at position 3 by a phenylazo group. A local anesthetic that has topical analgesic effect on mucosa lining of the urinary tract. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. | 2.44 | 2 | 0 | diaminopyridine; monoazo compound | anticoronaviral agent; carcinogenic agent; local anaesthetic; non-narcotic analgesic |
phenindione Phenindione: An indandione that has been used as an anticoagulant. Phenindione has actions similar to WARFARIN, but it is now rarely employed because of its higher incidence of severe adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p234) | 2.45 | 2 | 0 | aromatic ketone; beta-diketone | anticoagulant |
pheniramine Pheniramine: One of the HISTAMINE H1 ANTAGONISTS with little sedative action. It is used in treatment of hay fever, rhinitis, allergic dermatoses, and pruritus. | 2.04 | 1 | 0 | pyridines; tertiary amino compound | |
phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 2.74 | 3 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
phenolphthalein Phenolphthalein: An acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic. | 2.45 | 2 | 0 | phenols | |
phenoxybenzamine Phenoxybenzamine: An alpha-adrenergic antagonist with long duration of action. It has been used to treat hypertension and as a peripheral vasodilator. | 2.05 | 1 | 0 | aromatic amine | |
phentermine Phentermine: A central nervous system stimulant and sympathomimetic with actions and uses similar to those of DEXTROAMPHETAMINE. It has been used most frequently in the treatment of obesity. | 2.74 | 3 | 0 | primary amine | adrenergic agent; appetite depressant; central nervous system drug; central nervous system stimulant; dopaminergic agent; sympathomimetic agent |
phenylbutazone Phenylbutazone: A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS.. phenylbutazone : A member of the class of pyrazolidines that is 1,2-diphenylpyrazolidine-3,5-dione carrying a butyl group at the 4-position. | 2.46 | 2 | 0 | pyrazolidines | antirheumatic drug; EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor; metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; peripheral nervous system drug |
phthalylsulfathiazole phthalylsulfathiazole: minor descriptor (63-86); on-line & INDEX MEDICUS search SULFATHIAZOLES (66-86); RN given refers to parent cpd. phthalylsulfathiazole : A sulfonamide incorporating 2-carboxybenzamido and 1,3-thiazol-2-yl moieties that is a broad-spectrum antibiotic indicated in the treatment of dysentery, colitis, gastroenteritis and intestinal surgery. | 3.35 | 1 | 1 | 1,3-thiazoles; dicarboxylic acid monoamide; sulfonamide antibiotic; sulfonamide | |
moxonidine moxonidine: structure given in first source | 2.05 | 1 | 0 | organohalogen compound; pyrimidines | |
pinacidil Pinacidil: A guanidine that opens POTASSIUM CHANNELS producing direct peripheral vasodilatation of the ARTERIOLES. It reduces BLOOD PRESSURE and peripheral resistance and produces fluid retention. (Martindale The Extra Pharmacopoeia, 31st ed) | 2.05 | 1 | 0 | pyridines | |
pindolol Pindolol: A moderately lipophilic beta blocker (ADRENERGIC BETA-ANTAGONISTS). It is non-cardioselective and has intrinsic sympathomimetic actions, but little membrane-stabilizing activity. (From Martindale, The Extra Pharmocopoeia, 30th ed, p638). pindolol : A member of the class of indols which is the 2-hydroxy-3-(isopropylamino)propyl ether derivative of 1H-indol-4-ol. | 2.46 | 2 | 0 | indoles; secondary amine | antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist; serotonergic antagonist; vasodilator agent |
pioglitazone Pioglitazone: A thiazolidinedione and PPAR GAMMA agonist that is used in the treatment of TYPE 2 DIABETES MELLITUS.. pioglitazone : A member of the class of thiazolidenediones that is 1,3-thiazolidine-2,4-dione substituted by a benzyl group at position 5 which in turn is substituted by a 2-(5-ethylpyridin-2-yl)ethoxy group at position 4 of the phenyl ring. It exhibits hypoglycemic activity. | 2.08 | 1 | 0 | aromatic ether; pyridines; thiazolidinediones | antidepressant; cardioprotective agent; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; geroprotector; hypoglycemic agent; insulin-sensitizing drug; PPARgamma agonist; xenobiotic |
pipemidic acid Pipemidic Acid: Antimicrobial against Gram negative and some Gram positive bacteria. It is protein bound and concentrated in bile and urine and used for gastrointestinal, biliary, and urinary infections.. pipemidic acid : A pyridopyrimidine that is 5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid substituted at position 2 by a piperazin-1-yl group and at position 8 by an ethyl group. A synthetic broad-spectrum antibacterial, it is used for treatment of gastrointestinal, biliary, and urinary infections. | 2.05 | 1 | 0 | amino acid; monocarboxylic acid; N-arylpiperazine; pyridopyrimidine; quinolone antibiotic | antibacterial drug; DNA synthesis inhibitor |
piperazine [no description available] | 2.4 | 2 | 0 | azacycloalkane; piperazines; saturated organic heteromonocyclic parent | anthelminthic drug |
pipobroman Pipobroman: An antineoplastic agent that acts by alkylation.. pipobroman : An N-acylpiperazine that is piperazine in which each of the nitrogens has been acylated by a 3-bromopropionoyl group. An anti-cancer drug. | 2.04 | 1 | 0 | N-acylpiperazine; organobromine compound; tertiary carboxamide | alkylating agent; antineoplastic agent |
piracetam Piracetam: A compound suggested to be both a nootropic and a neuroprotective agent. | 2.08 | 1 | 0 | organonitrogen compound; organooxygen compound | |
piribedil Piribedil: A dopamine D2 agonist. It is used in the treatment of parkinson disease, particularly for alleviation of tremor. It has also been used for circulatory disorders and in other applications as a D2 agonist. | 2.08 | 1 | 0 | N-arylpiperazine | |
polythiazide [no description available] | 2.04 | 1 | 0 | benzothiadiazine | |
potassium iodide Potassium Iodide: An inorganic compound that is used as a source of iodine in thyrotoxic crisis and in the preparation of thyrotoxic patients for thyroidectomy. (From Dorland, 27th ed). potassium iodide : A metal iodide salt with a K(+) counterion. It is a scavenger of hydroxyl radicals. | 1.95 | 1 | 0 | potassium salt | expectorant; radical scavenger |
practolol Practolol: A beta-1 adrenergic antagonist that has been used in the emergency treatment of CARDIAC ARRYTHMIAS.. practolol : N-(4-Hydroxyphenyl)acetamide in which the hydrogen of the phenolic hydroxy group is substituted by a 3-(isopropylaminoamino)-2-hydroxypropyl group. A selective beta blocker, it has been used in the emergency treatment of cardiac arrhythmias. | 3.75 | 3 | 0 | acetamides; ethanolamines; propanolamine; secondary alcohol; secondary amino compound | anti-arrhythmia drug; beta-adrenergic antagonist |
ono 1078 pranlukast: SRS-A antagonist; leukotriene D4 receptor antagonist | 2.08 | 1 | 0 | chromones | |
pyranoprofen pyranoprofen: RN given refers to unlabled parent cpd; structure given in first source | 2.46 | 2 | 0 | pyridochromene | |
praziquantel azinox: Russian drug | 2.47 | 2 | 0 | isoquinolines | |
prazosin Prazosin: A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.. prazosin : A member of the class of piperazines that is piperazine substituted by a furan-2-ylcarbonyl group and a 4-amino-6,7-dimethoxyquinazolin-2-yl group at positions 1 and 4 respectively. | 2.47 | 2 | 0 | aromatic ether; furans; monocarboxylic acid amide; piperazines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
prilocaine Prilocaine: A local anesthetic that is similar pharmacologically to LIDOCAINE. Currently, it is used most often for infiltration anesthesia in dentistry.. prilocaine : An amino acid amide in which N-propyl-DL-alanine and 2-methylaniline have combined to form the amide bond; used as a local anaesthetic. | 2.04 | 1 | 0 | amino acid amide; monocarboxylic acid amide | anticonvulsant; local anaesthetic |
primaquine Primaquine: An aminoquinoline that is given by mouth to produce a radical cure and prevent relapse of vivax and ovale malarias following treatment with a blood schizontocide. It has also been used to prevent transmission of falciparum malaria by those returning to areas where there is a potential for re-introduction of malaria. Adverse effects include anemias and GI disturbances. (From Martindale, The Extra Pharmacopeia, 30th ed, p404). primaquine : An N-substituted diamine that is pentane-1,4-diamine substituted by a 6-methoxyquinolin-8-yl group at the N(4) position. It is a drug used in the treatment of malaria and Pneumocystis pneumonia. | 2.97 | 4 | 0 | aminoquinoline; aromatic ether; N-substituted diamine | antimalarial |
primidone Primidone: A barbiturate derivative that acts as a GABA modulator and anti-epileptic agent. It is partly metabolized to PHENOBARBITAL in the body and owes some of its actions to this metabolite.. primidone : A pyrimidone that is dihydropyrimidine-4,6(1H,5H)-dione substituted by an ethyl and a phenyl group at position 5. It is used as an anticonvulsant for treatment of various types of seizures. | 2.75 | 3 | 0 | pyrimidone | anticonvulsant; environmental contaminant; xenobiotic |
probenecid Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 2.97 | 4 | 0 | benzoic acids; sulfonamide | uricosuric drug |
probucol Probucol: A drug used to lower LDL and HDL cholesterol yet has little effect on serum-triglyceride or VLDL cholesterol. (From Martindale, The Extra Pharmacopoeia, 30th ed, p993).. probucol : A dithioketal that is propane-2,2-dithiol in which the hydrogens attached to both sulfur atoms are replaced by 3,5-di-tert-butyl-4-hydroxyphenyl groups. An anticholesteremic drug with antioxidant and anti-inflammatory properties, it is used to treat high levels of cholesterol in blood. | 2.45 | 2 | 0 | dithioketal; polyphenol | anti-inflammatory drug; anticholesteremic drug; antilipemic drug; antioxidant; cardiovascular drug |
procainamide Procainamide: A class Ia antiarrhythmic drug that is structurally-related to PROCAINE.. procainamide : A benzamide that is 4-aminobenzamide substituted on the amide N by a 2-(diethylamino)ethyl group. It is a pharmaceutical antiarrhythmic agent used for the medical treatment of cardiac arrhythmias. | 3.15 | 5 | 0 | benzamides | anti-arrhythmia drug; platelet aggregation inhibitor; sodium channel blocker |
procaine Procaine: A local anesthetic of the ester type that has a slow onset and a short duration of action. It is mainly used for infiltration anesthesia, peripheral nerve block, and spinal block. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1016).. procaine : A benzoate ester, formally the result of esterification of 4-aminobenzoic acid with 2-diethylaminoethanol but formed experimentally by reaction of ethyl 4-aminobenzoate with 2-diethylaminoethanol. | 3.06 | 5 | 0 | benzoate ester; substituted aniline; tertiary amino compound | central nervous system depressant; drug allergen; local anaesthetic; peripheral nervous system drug |
procarbazine Procarbazine: An antineoplastic agent used primarily in combination with mechlorethamine, vincristine, and prednisone (the MOPP protocol) in the treatment of Hodgkin's disease.. procarbazine : A benzamide obtained by formal condensation of the carboxy group of 4-[(2-methylhydrazino)methyl]benzoic acid with the amino group of isopropylamine. An antineoplastic chemotherapy drug used for treatment of Hodgkin's lymphoma. Metabolism yields azo-procarbazine and hydrogen peroxide, which results in the breaking of DNA strands. | 2.74 | 3 | 0 | benzamides; hydrazines | antineoplastic agent |
prochlorperazine Prochlorperazine: A phenothiazine antipsychotic used principally in the treatment of NAUSEA; VOMITING; and VERTIGO. It is more likely than CHLORPROMAZINE to cause EXTRAPYRAMIDAL DISORDERS. (From Martindale, The Extra Pharmacopoeia, 30th ed, p612). prochlorperazine : A member of the class of phenothiazines that is 10H-phenothiazine having a chloro substituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at the N-10 position. | 2.69 | 3 | 0 | N-alkylpiperazine; N-methylpiperazine; organochlorine compound; phenothiazines | alpha-adrenergic antagonist; antiemetic; cholinergic antagonist; dopamine receptor D2 antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; first generation antipsychotic |
procyclidine Procyclidine: A muscarinic antagonist that crosses the blood-brain barrier and is used in the treatment of drug-induced extrapyramidal disorders and in parkinsonism.. procyclidine : A tertiary alcohol that consists of propan-1-ol substituted by a cyclohexyl and a phenyl group at position 1 and a pyrrolidin-1-yl group at position 3. | 2.08 | 1 | 0 | pyrrolidines; tertiary alcohol | antidyskinesia agent; antiparkinson drug; muscarinic antagonist |
proglumide Proglumide: A drug that exerts an inhibitory effect on gastric secretion and reduces gastrointestinal motility. It is used clinically in the drug therapy of gastrointestinal ulcers.. proglumide : A racemate composed of equal amounts of (R)- and (S)-proglumide. A non-selective CCK antagonist that was used primarily for treatment of stomach ulcers, but has been replaced by newer drugs.. N(2)-benzoyl-N,N-dipropyl-alpha-glutamine : A dicarboxylic acid monoamide obtained by formal condensation of the alpha-carboxy group of N-benzoylglutamic acid with dippropylamine. | 2.04 | 1 | 0 | benzamides; dicarboxylic acid monoamide; glutamine derivative; racemate | anti-ulcer drug; cholecystokinin antagonist; cholinergic antagonist; delta-opioid receptor agonist; drug metabolite; gastrointestinal drug; opioid analgesic; xenobiotic metabolite |
promazine Promazine: A phenothiazine with actions similar to CHLORPROMAZINE but with less antipsychotic activity. It is primarily used in short-term treatment of disturbed behavior and as an antiemetic.. promazine : A phenothiazine deriative in which the phenothiazine tricycle has a 3-(dimethylaminopropyl) group at the N-10 position. | 2.49 | 2 | 0 | phenothiazines; tertiary amine | antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; H1-receptor antagonist; muscarinic antagonist; phenothiazine antipsychotic drug; serotonergic antagonist |
promethazine Promethazine: A phenothiazine derivative with histamine H1-blocking, antimuscarinic, and sedative properties. It is used as an antiallergic, in pruritus, for motion sickness and sedation, and also in animals.. promethazine : A tertiary amine that is a substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropan-2-amine moiety. | 3.12 | 5 | 0 | phenothiazines; tertiary amine | anti-allergic agent; anticoronaviral agent; antiemetic; antipruritic drug; H1-receptor antagonist; local anaesthetic; sedative |
propafenone Propafenone: An antiarrhythmia agent that is particularly effective in ventricular arrhythmias. It also has weak beta-blocking activity.. propafenone : An aromatic ketone that is 3-(propylamino)propane-1,2-diol in which the hydrogen of the primary hydroxy group is replaced by a 2-(3-phenylpropanoyl)phenyl group. It is a class 1C antiarrhythmic drug with local anesthetic effects, and is used as the hydrochloride salt in the management of supraventricular and ventricular arrhythmias. | 2.08 | 1 | 0 | aromatic ketone; secondary alcohol; secondary amino compound | anti-arrhythmia drug |
propiomazine propiomazine: was heading 1966-94 (prov 1966-72); use PHENOTHIAZINES to search PROPIOMAZINE 1966-94; phenothiazine derivative used for sedation and as an antiemetic during labor. propiomazine : A member of the class of phenothiazines that is 10H-phenothiazine substituted by a 2-(dimethylamino)propyl group at nitrogen atom and a propanoyl group at position 2. | 2.04 | 1 | 0 | aromatic ketone; phenothiazines; tertiary amino compound | dopaminergic antagonist; histamine antagonist; muscarinic antagonist; phenothiazine antipsychotic drug; sedative; serotonergic antagonist |
propofol Propofol: An intravenous anesthetic agent which has the advantage of a very rapid onset after infusion or bolus injection plus a very short recovery period of a couple of minutes. (From Smith and Reynard, Textbook of Pharmacology, 1992, 1st ed, p206). Propofol has been used as ANTICONVULSANTS and ANTIEMETICS.. propofol : A phenol resulting from the formal substitution of the hydrogen at the 2 position of 1,3-diisopropylbenzene by a hydroxy group. | 2.05 | 1 | 0 | phenols | anticonvulsant; antiemetic; intravenous anaesthetic; radical scavenger; sedative |
propranolol Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. | 3.17 | 5 | 0 | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
protriptyline Protriptyline: Tricyclic antidepressant similar in action and side effects to IMIPRAMINE. It may produce excitation. | 2.04 | 1 | 0 | carbotricyclic compound | antidepressant |
proxyphylline [no description available] | 2.04 | 1 | 0 | oxopurine | |
pyridinolcarbamate Pyridinolcarbamate: A drug that has been given by mouth in the treatment of atherosclerosis and other vascular disorders, hyperlipidemias, and thrombo-embolic disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1408) | 2.05 | 1 | 0 | pyridines | |
pyrimethamine Maloprim: contains above 2 cpds | 2.46 | 2 | 0 | aminopyrimidine; monochlorobenzenes | antimalarial; antiprotozoal drug; EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
1,2,5,8-tetrahydroxy anthraquinone 1,2,5,8-tetrahydroxy anthraquinone: structure in first source. quinalizarin : A tetrahydroxyanthraquinone having the four hydroxy groups at the 1-, 2-, 5- and 8-positions. | 3.18 | 1 | 0 | tetrahydroxyanthraquinone | EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor |
rabeprazole Rabeprazole: A 4-(3-methoxypropoxy)-3-methylpyridinyl derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS. | 2.05 | 1 | 0 | benzimidazoles; pyridines; sulfoxide | anti-ulcer drug; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor |
ranitidine [no description available] | 2.97 | 4 | 0 | aralkylamine | |
opc 12759 rebamipide: structure in first source; RN refers to (+-)-isomer; inhibits gastric xanthine oxidase | 2.05 | 1 | 0 | secondary carboxamide | |
resorcinol resorcinol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7951. resorcinol : A benzenediol that is benzene dihydroxylated at positions 1 and 3. | 2.67 | 3 | 0 | benzenediol; phenolic donor; resorcinols | erythropoietin inhibitor; sensitiser |
riluzole Riluzole: A glutamate antagonist (RECEPTORS, GLUTAMATE) used as an anticonvulsant (ANTICONVULSANTS) and to prolong the survival of patients with AMYOTROPHIC LATERAL SCLEROSIS. | 3.86 | 3 | 0 | benzothiazoles | |
risperidone Risperidone: A selective blocker of DOPAMINE D2 RECEPTORS and SEROTONIN 5-HT2 RECEPTORS that acts as an atypical antipsychotic agent. It has been shown to improve both positive and negative symptoms in the treatment of SCHIZOPHRENIA.. risperidone : A member of the class of pyridopyrimidines that is 2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one carrying an additional 2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl group at position 2. | 2.47 | 2 | 0 | 1,2-benzoxazoles; heteroarylpiperidine; organofluorine compound; pyridopyrimidine | alpha-adrenergic antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; H1-receptor antagonist; psychotropic drug; second generation antipsychotic; serotonergic antagonist |
rizatriptan rizatriptan: structure given in first source; RN given refers to benzoate | 2.04 | 1 | 0 | tryptamines | anti-inflammatory drug; serotonergic agonist; vasoconstrictor agent |
rofecoxib [no description available] | 2.75 | 3 | 0 | butenolide; sulfone | analgesic; cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
rolipram [no description available] | 7.55 | 2 | 0 | pyrrolidin-2-ones | antidepressant; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
salicylamide salamide: a major impurity of hydrochlorothiazide; structure in first source | 2.05 | 1 | 0 | phenols; salicylamides | antirheumatic drug; non-narcotic analgesic |
salicylsalicylic acid salicylsalicylic acid: structure. salsalate : A dimeric benzoate ester obtained by intermolecular condensation between the carboxy of one molecule of salicylic acid with the phenol group of a second. It is a prodrug for salycylic acid that is used for treatment of rheumatoid arthritis and osteoarthritis and also shows activity against type II diabetes. | 2.04 | 1 | 0 | benzoate ester; benzoic acids; phenols; salicylates | antineoplastic agent; antirheumatic drug; EC 3.5.2.6 (beta-lactamase) inhibitor; hypoglycemic agent; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug |
secobarbital Secobarbital: A barbiturate that is used as a sedative. Secobarbital is reported to have no anti-anxiety activity.. secobarbital : A member of the class of barbiturates that is barbituric acid in which the hydrogens at position 5 are substituted by prop-2-en-1-yl and pentan-2-yl groups. | 2.04 | 1 | 0 | barbiturates | anaesthesia adjuvant; GABA modulator; sedative |
semustine Semustine: 4-Methyl derivative of LOMUSTINE; (CCNU). An antineoplastic agent which functions as an alkylating agent.. semustine : An organochlorine compound that is urea in which the two hydrogens on one of the amino groups are replaced by nitroso and 2-chloroethyl groups and one hydrogen from the other amino group is replaced by a 4-methylcyclohexyl group. | 2.04 | 1 | 0 | N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic agent; carcinogenic agent |
sevoflurane Sevoflurane: A non-explosive inhalation anesthetic used in the induction and maintenance of general anesthesia. It does not cause respiratory irritation and may also prevent PLATELET AGGREGATION.. sevoflurane : An ether compound having fluoromethyl and 1,1,1,3,3,3-hexafluoroisopropyl as the two alkyl groups. | 2.05 | 1 | 0 | ether; organofluorine compound | central nervous system depressant; inhalation anaesthetic; platelet aggregation inhibitor |
sibutramine sibutramine: serotonin and norepinephrine transporter inhibitor; Meridia is tradename for sibutramine hydrochloride | 2.05 | 1 | 0 | organochlorine compound; tertiary amino compound | anti-obesity agent; serotonin uptake inhibitor |
sulfadiazine Sulfadiazine: One of the short-acting SULFONAMIDES used in combination with PYRIMETHAMINE to treat toxoplasmosis in patients with acquired immunodeficiency syndrome and in newborns with congenital infections.. sulfadiazine : A sulfonamide consisting of pyrimidine with a 4-aminobenzenesulfonamido group at the 2-position.. diazine : The parent structure of the diazines. | 4.61 | 6 | 1 | pyrimidines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; antimicrobial agent; antiprotozoal drug; coccidiostat; drug allergen; EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor; EC 2.5.1.15 (dihydropteroate synthase) inhibitor; environmental contaminant; xenobiotic |
ipodate Ipodate: Ionic monomeric contrast media. Usually the sodium or calcium salts are used for examination of the gall bladder and biliary tract. (From Martindale, The Extra Pharmacopoeia, 30th ed, p704) | 2.38 | 2 | 0 | | |
risedronic acid Risedronic Acid: A pyridine and diphosphonic acid derivative that acts as a CALCIUM CHANNEL BLOCKER and inhibits BONE RESORPTION. | 2.05 | 1 | 0 | pyridines | |
sotalol Sotalol: An adrenergic beta-antagonist that is used in the treatment of life-threatening arrhythmias.. sotalol : A sulfonamide that is N-phenylmethanesulfonamide in which the phenyl group is substituted at position 4 by a 1-hydroxy-2-(isopropylamino)ethyl group. It has both beta-adrenoreceptor blocking (Vaughan Williams Class II) and cardiac action potential duration prolongation (Vaughan Williams Class III) antiarrhythmic properties. It is used (usually as the hydrochloride salt) for the management of ventricular and supraventricular arrhythmias. | 2.75 | 3 | 0 | ethanolamines; secondary alcohol; secondary amino compound; sulfonamide | anti-arrhythmia drug; beta-adrenergic antagonist; environmental contaminant; xenobiotic |
4-phenylbutyric acid, sodium salt sodium phenylbutyrate : The organic sodium salt of 4-phenylbutyric acid. A prodrug for phenylacetate, it is used to treat urea cycle disorders. | 2.05 | 1 | 0 | organic sodium salt | EC 3.5.1.98 (histone deacetylase) inhibitor; geroprotector; neuroprotective agent; orphan drug; prodrug |
imatinib [no description available] | 2.08 | 1 | 0 | aromatic amine; benzamides; N-methylpiperazine; pyridines; pyrimidines | antineoplastic agent; apoptosis inducer; tyrosine kinase inhibitor |
streptonigrin [no description available] | 2.04 | 1 | 0 | pyridines; quinolone | antimicrobial agent; antineoplastic agent |
vorinostat Vorinostat: A hydroxamic acid and anilide derivative that acts as a HISTONE DEACETYLASE inhibitor. It is used in the treatment of CUTANEOUS T-CELL LYMPHOMA and SEZARY SYNDROME.. vorinostat : A dicarboxylic acid diamide comprising suberic (octanedioic) acid coupled to aniline and hydroxylamine. A histone deacetylase inhibitor, it is marketed under the name Zolinza for the treatment of cutaneous T cell lymphoma (CTCL). | 2.47 | 2 | 0 | dicarboxylic acid diamide; hydroxamic acid | antineoplastic agent; apoptosis inducer; EC 3.5.1.98 (histone deacetylase) inhibitor |
succinylcholine Succinylcholine: A quaternary skeletal muscle relaxant usually used in the form of its bromide, chloride, or iodide. It is a depolarizing relaxant, acting in about 30 seconds and with a duration of effect averaging three to five minutes. Succinylcholine is used in surgical, anesthetic, and other procedures in which a brief period of muscle relaxation is called for.. succinylcholine : A quaternary ammonium ion that is the bis-choline ester of succinic acid. | 2.04 | 1 | 0 | quaternary ammonium ion; succinate ester | drug allergen; muscle relaxant; neuromuscular agent |
sulconazole sulconazole: RN given refers to cpd with unspecified isomeric designation; structure given in first source. sulconazole : A racemate comprising equimolar amounts of (R)- and (S)-sulconazole. An antifungal agent with activity against Candida species, it is used (generally as the nitrate salt) for the topical treatment of fungal skin infections.. 1-{2-[(4-chlorobenzyl)sulfanyl]-2-(2,4-dichlorophenyl)ethyl}-1H-imidazole : A member of the class of imidazoles that is 1-ethyl-1H-imidazole in which one of the hydrogens of the methyl group is replaced by a (4-chlorobenzyl)sulfanediyl group while a second is replaced by a 2,4-dichlorophenyl group. | 2.04 | 1 | 0 | dichlorobenzene; imidazoles; monochlorobenzenes; organic sulfide | |
sulfacetamide Sulfacetamide: An anti-bacterial agent that is used topically to treat skin infections and orally for urinary tract infections.. sulfacetamide : A sulfonamide that is sulfanilamide acylated on the sulfonamide nitrogen. | 2.04 | 1 | 0 | N-sulfonylcarboxamide; substituted aniline | antibacterial drug; antiinfective agent; antimicrobial agent; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
sulfadimethoxine Sulfadimethoxine: A sulfanilamide that is used as an anti-infective agent.. sulfadimethoxine : A sulfonamide consisting of pyrimidine having methoxy substituents at the 2- and 6-positions and a 4-aminobenzenesulfonamido group at the 4-position. | 2.45 | 2 | 0 | aromatic ether; pyrimidines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; antimicrobial agent; drug allergen; environmental contaminant; xenobiotic |
sulfaguanidine Sulfaguanidine: A sulfanilamide antimicrobial agent that is used to treat enteric infections.. sulfaguanidine : A sulfonamide incorporating a guanidine moiety used to block the synthesis of folic acid; mostly used in veterinary medicine | 2.04 | 1 | 0 | sulfonamide antibiotic | antiinfective agent |
sulfamerazine [no description available] | 2.05 | 1 | 0 | pyrimidines; sulfonamide antibiotic; sulfonamide | antiinfective agent; drug allergen |
sulfameter Sulfameter: Long acting sulfonamide used in leprosy, urinary, and respiratory tract infections.. sulfamethoxydiazine : A sulfonamide consisting of pyrimidine having a methoxy substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 2-position. | 2.05 | 1 | 0 | pyrimidines; sulfonamide antibiotic; sulfonamide | antiinfective agent; leprostatic drug; renal agent |
sulfamethazine Sulfamethazine: A sulfanilamide anti-infective agent. It has a spectrum of antimicrobial action similar to other sulfonamides.. sulfamethazine : A sulfonamide consisting of pyrimidine with methyl substituents at the 4- and 6-positions and a 4-aminobenzenesulfonamido group at the 2-position. | 4.08 | 3 | 1 | pyrimidines; sulfonamide antibiotic; sulfonamide | antibacterial drug; antiinfective agent; antimicrobial agent; carcinogenic agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor; environmental contaminant; ligand; xenobiotic |
sulfamethizole Sulfamethizole: A sulfathiazole antibacterial agent.. sulfamethizole : A sulfonamide consisting of a 1,3,4-thiadiazole nucleus with a methyl substituent at C-5 and a 4-aminobenzenesulfonamido group at C-2. | 2.05 | 1 | 0 | sulfonamide antibiotic; sulfonamide; thiadiazoles | antiinfective agent; antimicrobial agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
sulfamethoxazole Sulfamethoxazole: A bacteriostatic antibacterial agent that interferes with folic acid synthesis in susceptible bacteria. Its broad spectrum of activity has been limited by the development of resistance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p208). sulfamethoxazole : An isoxazole (1,2-oxazole) compound having a methyl substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 3-position. | 2.97 | 4 | 0 | isoxazoles; substituted aniline; sulfonamide antibiotic; sulfonamide | antibacterial agent; antiinfective agent; antimicrobial agent; drug allergen; EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor; EC 2.5.1.15 (dihydropteroate synthase) inhibitor; environmental contaminant; epitope; P450 inhibitor; xenobiotic |
sulfamethoxypyridazine Sulfamethoxypyridazine: A sulfanilamide antibacterial agent.. sulfamethoxypyridazine : A sulfonamide consisting of pyridazine having a methoxy substituent at the 6-position and a 4-aminobenzenesulfonamido group at the 3-position. | 2.37 | 2 | 0 | pyridazines; sulfonamide antibiotic; sulfonamide | antiinfective agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
sulfanilamide [no description available] | 2.67 | 3 | 0 | substituted aniline; sulfonamide antibiotic; sulfonamide | antibacterial agent; drug allergen; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
sulfanitran [no description available] | 2.08 | 1 | 0 | sulfonamide | |
sulfaphenazole Sulfaphenazole: A sulfonilamide anti-infective agent.. sulfaphenazole : A sulfonamide that is sulfanilamide in which the sulfonamide nitrogen is substituted by a 1-phenyl-1H-pyrazol-5-yl group. It is a selective inhibitor of cytochrome P450 (CYP) 2C9 isozyme, and antibacterial agent. | 2.05 | 1 | 0 | primary amino compound; pyrazoles; substituted aniline; sulfonamide antibiotic; sulfonamide | antibacterial drug; EC 1.14.13.181 (13-deoxydaunorubicin hydroxylase) inhibitor; EC 1.14.13.67 (quinine 3-monooxygenase) inhibitor; P450 inhibitor |
sulfapyridine Sulfapyridine: Antibacterial, potentially toxic, used to treat certain skin diseases.. sulfapyridine : A sulfonamide consisting of pyridine with a 4-aminobenzenesulfonamido group at the 2-position. | 2.45 | 2 | 0 | pyridines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; dermatologic drug; drug allergen; environmental contaminant; xenobiotic |
sulfasalazine Sulfasalazine: A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907). sulfasalazine : An azobenzene consisting of diphenyldiazene having a carboxy substituent at the 4-position, a hydroxy substituent at the 3-position and a 2-pyridylaminosulphonyl substituent at the 4'-position. | 2.92 | 4 | 0 | | |
sulfathiazole Sulfathiazole: A sulfathiazole compound that is used as a short-acting anti-infective agent. It is no longer commonly used systemically due to its toxicity, but may still be applied topically in combination with other drugs for the treatment of vaginal and skin infections, and is still used in veterinary medicine.. sulfathiazole : A 1,3-thiazole compound having a 4-aminobenzenesulfonamido group at the 2-position. | 3.04 | 5 | 0 | 1,3-thiazoles; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor; environmental contaminant; xenobiotic |
sulfinpyrazone Sulfinpyrazone: A uricosuric drug that is used to reduce the serum urate levels in gout therapy. It lacks anti-inflammatory, analgesic, and diuretic properties. | 2.05 | 1 | 0 | pyrazolidines; sulfoxide | uricosuric drug |
sulfisomidine Sulfisomidine: A sulfanilamide antibacterial agent.. sulfisomidine : A sulfonamide consisting of pyrimidine having methyl substituents at the 2- and 6-positions and a 4-aminobenzenesulfonamido group at the 4-position. | 2.34 | 2 | 0 | pyrimidines; sulfonamide antibiotic; sulfonamide | antiinfective agent |
sulfisoxazole Sulfisoxazole: A short-acting sulfonamide antibacterial with activity against a wide range of gram- negative and gram-positive organisms.. sulfisoxazole : A sulfonamide antibacterial with an oxazole substituent. It has antibiotic activity against a wide range of gram-negative and gram-positive organisms. | 2.46 | 2 | 0 | isoxazoles; sulfonamide antibiotic; sulfonamide | antibacterial drug; drug allergen |
sulfobromophthalein Sulfobromophthalein: A phenolphthalein that is used as a diagnostic aid in hepatic function determination. | 2.04 | 1 | 0 | 2-benzofurans; organobromine compound; organosulfonic acid; phenols | dye |
sulforaphane sulforaphane: from Cardaria draba L.. sulforaphane : An isothiocyanate having a 4-(methylsulfinyl)butyl group attached to the nitrogen. | 2.05 | 1 | 0 | isothiocyanate; sulfoxide | antineoplastic agent; antioxidant; EC 3.5.1.98 (histone deacetylase) inhibitor; plant metabolite |
sulfoxone sulfoxone: RN given refers to parent cpd | 2.04 | 1 | 0 | sulfonamide | |
2-(octylamino)-1-[4-(propan-2-ylthio)phenyl]-1-propanol [no description available] | 2.05 | 1 | 0 | alkylbenzene | |
sulpiride Sulpiride: A dopamine D2-receptor antagonist. It has been used therapeutically as an antidepressant, antipsychotic, and as a digestive aid. (From Merck Index, 11th ed). sulpiride : A member of the class of benzamides obtained from formal condensation between the carboxy group of 2-methoxy-5-sulfamoylbenzoic acid and the primary amino group of (1-ethylpyrrolidin-2-yl)methylamine. | 2.05 | 1 | 0 | benzamides; N-alkylpyrrolidine; sulfonamide | antidepressant; antiemetic; antipsychotic agent; dopaminergic antagonist |
sumatriptan Sumatriptan: A serotonin agonist that acts selectively at 5HT1 receptors. It is used in the treatment of MIGRAINE DISORDERS.. sumatriptan : A sulfonamide that consists of N,N-dimethyltryptamine bearing an additional (N-methylsulfamoyl)methyl substituent at position 5. Selective agonist for a vascular 5-HT1 receptor subtype (probably a member of the 5-HT1D family). Used (in the form of its succinate salt) for the acute treatment of migraine with or without aura in adults. | 2.46 | 2 | 0 | sulfonamide; tryptamines | serotonergic agonist; vasoconstrictor agent |
suprofen Suprofen: An IBUPROFEN-type anti-inflammatory analgesic and antipyretic. It inhibits prostaglandin synthesis and has been proposed as an anti-arthritic.. suprofen : An aromatic ketone that is thiophene substituted at C-2 by a 4-(1-carboxyethyl)benzoyl group. | 2.05 | 1 | 0 | aromatic ketone; monocarboxylic acid; thiophenes | antirheumatic drug; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug; peripheral nervous system drug |
suramin Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties.. suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. | 2.68 | 3 | 0 | naphthalenesulfonic acid; phenylureas; secondary carboxamide | angiogenesis inhibitor; antinematodal drug; antineoplastic agent; apoptosis inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; GABA antagonist; GABA-gated chloride channel antagonist; purinergic receptor P2 antagonist; ryanodine receptor agonist; trypanocidal drug |
gatifloxacin Gatifloxacin: A fluoroquinolone antibacterial agent and DNA TOPOISOMERASE II inhibitor that is used as an ophthalmic solution for the treatment of BACTERIAL CONJUNCTIVITIS.. gatifloxacin : A monocarboxylic acid that is 4-oxo-1,4-dihydroquinoline-3-carboxylic acid which is substituted on the nitrogen by a cyclopropyl group and at positions 6, 7, and 8 by fluoro, 3-methylpiperazin-1-yl, and methoxy groups, respectively. Gatifloxacin is an antibiotic of the fourth-generation fluoroquinolone family, that like other members of that family, inhibits the bacterial topoisomerase type-II enzymes. | 2.47 | 2 | 0 | N-arylpiperazine; organofluorine compound; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antiinfective agent; antimicrobial agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
tazarotene tazarotene: a topical acetylenic retinoid; a topical kerytolytic. tazarotene : The ethyl ester of tazarotenic acid. A prodrug for tazarotenic acid, it is used for the treatment of psoriasis, acne, and sun-damaged skin. | 2.08 | 1 | 0 | acetylenic compound; ethyl ester; pyridines; retinoid; thiochromane | keratolytic drug; prodrug; teratogenic agent |
tegafur [no description available] | 2.45 | 2 | 0 | organohalogen compound; pyrimidines | |
temazepam Temazepam: A benzodiazepine that acts as a GAMMA-AMINOBUTYRIC ACID modulator and anti-anxiety agent. | 2.05 | 1 | 0 | benzodiazepine | |
temozolomide [no description available] | 2.47 | 2 | 0 | imidazotetrazine; monocarboxylic acid amide; triazene derivative | alkylating agent; antineoplastic agent; prodrug |
terazosin Terazosin: induces decreased blood pressure; used in the treatment of benign prostatic hyperplasia | 2.46 | 2 | 0 | furans; piperazines; primary amino compound; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; antineoplastic agent |
terbutaline Terbutaline: A selective beta-2 adrenergic agonist used as a bronchodilator and tocolytic.. terbutaline : A member of the class of phenylethanolamines that is catechol substituted at position 5 by a 2-(tert-butylamino)-1-hydroxyethyl group. | 3.15 | 5 | 0 | phenylethanolamines; resorcinols | anti-asthmatic drug; beta-adrenergic agonist; bronchodilator agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; hypoglycemic agent; sympathomimetic agent; tocolytic agent |
terfenadine Terfenadine: A selective histamine H1-receptor antagonist devoid of central nervous system depressant activity. The drug was used for ALLERGY but withdrawn due to causing LONG QT SYNDROME. | 2.76 | 3 | 0 | diarylmethane | |
tetracaine Tetracaine: A potent local anesthetic of the ester type used for surface and spinal anesthesia.. tetracaine : A benzoate ester in which 4-N-butylbenzoic acid and 2-(dimethylamino)ethanol have combined to form the ester bond; a local ester anaesthetic (ester caine) used for surface and spinal anaesthesia. | 2.45 | 2 | 0 | benzoate ester; tertiary amino compound | local anaesthetic |
thalidomide Thalidomide: A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effects. It has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppressive and anti-angiogenic activity. It inhibits release of TUMOR NECROSIS FACTOR-ALPHA from monocytes, and modulates other cytokine action.. thalidomide : A racemate comprising equimolar amounts of R- and S-thalidomide.. 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione : A dicarboximide that is isoindole-1,3(2H)-dione in which the hydrogen attached to the nitrogen is substituted by a 2,6-dioxopiperidin-3-yl group. | 4.52 | 4 | 0 | phthalimides; piperidones | |
thiabendazole Tresaderm: dermatologic soln containing dexamethasone, thiabendazole & neomycin sulfate | 2.68 | 3 | 0 | 1,3-thiazoles; benzimidazole fungicide; benzimidazoles | antifungal agrochemical; antinematodal drug |
2,2'-thiodiethanol 2,2'-thiodiethanol: product of yperite hydrolysis; a hydrolysis product opf mustard gas; strongly stimulates differentiation of chick embryo myogenic cells. thiodiglycol : A diol that is pentane-1,5-diol in which the methylene group at position 3 is replaced by a sulfur atom | 2.04 | 1 | 0 | aliphatic sulfide; diol | antineoplastic agent; antioxidant; metabolite; solvent |
thioridazine Thioridazine: A phenothiazine antipsychotic used in the management of PHYCOSES, including SCHIZOPHRENIA.. thioridazine : A phenothiazine derivative having a methylsulfanyl subsitituent at the 2-position and a (1-methylpiperidin-2-yl)ethyl] group at the N-10 position. | 2.74 | 3 | 0 | phenothiazines; piperidines | alpha-adrenergic antagonist; dopaminergic antagonist; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; first generation antipsychotic; H1-receptor antagonist; serotonergic antagonist |
thiotepa Thiotepa: A very toxic alkylating antineoplastic agent also used as an insect sterilant. It causes skin, gastrointestinal, CNS, and bone marrow damage. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), thiotepa may reasonably be anticipated to be a carcinogen (Merck Index, 11th ed). | 2.46 | 2 | 0 | aziridines | |
tiapride [no description available] | 2.08 | 1 | 0 | benzamides | |
tiaprofenic acid tiaprofenic acid: RN given refers to parent cpd; structure. tiaprofenic acid : An aromatic ketone that is thiophene substituted at C-2 by benzoyl and at C-4 by a 1-carboxyethyl group. | 2.05 | 1 | 0 | aromatic ketone; monocarboxylic acid; thiophenes | drug allergen; non-steroidal anti-inflammatory drug |
tiaramide tiaramide: NTA-194, solantal, FK 1160 refer to mono-HCl salt; RN given refers to parent cpd; structure | 2.04 | 1 | 0 | benzothiazoles | |
ticlopidine Ticlopidine: An effective inhibitor of platelet aggregation commonly used in the placement of STENTS in CORONARY ARTERIES.. ticlopidine : A thienopyridine that is 4,5,6,7-tetrahydrothieno[3,2-c]pyridine in which the hydrogen attached to the nitrogen is replaced by an o-chlorobenzyl group. | 2.74 | 3 | 0 | monochlorobenzenes; thienopyridine | anticoagulant; fibrin modulating drug; hematologic agent; P2Y12 receptor antagonist; platelet aggregation inhibitor |
tilorone Tilorone: An antiviral agent used as its hydrochloride. It is the first recognized synthetic, low-molecular-weight compound that is an orally active interferon inducer, and is also reported to have antineoplastic and anti-inflammatory actions.. tilorone : A member of the class of fluoren-9-ones that is 9H-fluoren-9-one which is substituted by a 2-(diethylamino)ethoxy group at positions 2 and 7. It is an interferon inducer and a selective alpha7 nicotinic acetylcholine receptor (alpha7 nAChR) agonist. Its hydrochloride salt is used as an antiviral drug. | 2.46 | 2 | 0 | aromatic ether; diether; fluoren-9-ones; tertiary amino compound | anti-inflammatory agent; antineoplastic agent; antiviral agent; interferon inducer; nicotinic acetylcholine receptor agonist |
tinidazole Tinidazole: A nitroimidazole alkylating agent that is used as an antitrichomonal agent against TRICHOMONAS VAGINALIS; ENTAMOEBA HISTOLYTICA; and GIARDIA LAMBLIA infections. It also acts as an antibacterial agent for the treatment of BACTERIAL VAGINOSIS and anaerobic bacterial infections.. tinidazole : 1H-imidazole substituted at C-1 by a (2-ethylsulfonyl)ethyl group, at C-2 by a methyl group and at C-5 by a nitro group. It is used as an antiprotozoal, antibacterial agent. | 2.08 | 1 | 0 | imidazoles | antiamoebic agent; antibacterial drug; antiparasitic agent; antiprotozoal drug |
tiopronin Tiopronin: Sulfhydryl acylated derivative of GLYCINE. | 2.45 | 2 | 0 | N-acyl-amino acid | |
tizanidine tizanidine: RN given refers to parent cpd; structure. tizanidine : 2,1,3-Benzothiadiazole substituted at C-4 by a Delta(1)-imidazolin-2-ylamino group and at C-4 by a chloro group. It is an agonist at alpha2-adrenergic receptor sites. | 2.75 | 3 | 0 | benzothiadiazole; imidazoles | alpha-adrenergic agonist; muscle relaxant |
nikethamide Nikethamide: A central nervous system stimulant. It was formerly used in the treatment of barbiturate overdose but is now considered to be of no value for such purposes and may be dangerous. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1229) | 2.08 | 1 | 0 | pyridinecarboxamide | |
tolazamide Tolazamide: A sulphonylurea hypoglycemic agent with actions and uses similar to those of CHLORPROPAMIDE.. tolazamide : An N-sulfonylurea that is 1-tosylurea in which a hydrogen attached to the nitrogen at position 3 is replaced by an azepan-1-yl group. A hypoglycemic agent, it is used for the treatment of type 2 diabetes mellitus. | 2.45 | 2 | 0 | N-sulfonylurea | hypoglycemic agent; potassium channel blocker |
tolbutamide Tolbutamide: A sulphonylurea hypoglycemic agent with actions and uses similar to those of CHLORPROPAMIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p290). tolbutamide : An N-sulfonylurea that consists of 1-butylurea having a tosyl group attached at the 3-position. | 3.11 | 5 | 0 | N-sulfonylurea | human metabolite; hypoglycemic agent; insulin secretagogue; potassium channel blocker |
tolnaftate [no description available] | 5.32 | 7 | 2 | monothiocarbamic ester | antifungal drug |
tolperisone Tolperisone: A centrally acting muscle relaxant that has been used for the symptomatic treatment of spasticity and muscle spasm. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1211) | 2.45 | 2 | 0 | aromatic ketone | |
n,n,n',n'-tetrakis(2-pyridylmethyl)ethylenediamine N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine: a zinc ion chelating agent; structure given in first source. N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine : An N-substituted diamine that is ethylenediamine in which the four amino hydrogens are replaced by 2-pyridylmethyl groups. | 3.46 | 7 | 0 | N-substituted diamine; pyridines; tertiary amino compound | apoptosis inducer; chelator; copper chelator |
ultram 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol : A tertiary alcohol that is cyclohexanol substituted at positions 1 and 2 by 3-methoxyphenyl and dimethylaminomethyl groups respectively. | 2.45 | 2 | 0 | aromatic ether; tertiary alcohol; tertiary amino compound | |
tranexamic acid Tranexamic Acid: Antifibrinolytic hemostatic used in severe hemorrhage. | 2.05 | 1 | 0 | amino acid | |
trazodone Trazodone: A serotonin uptake inhibitor that is used as an antidepressive agent. It has been shown to be effective in patients with major depressive disorders and other subsets of depressive disorders. It is generally more useful in depressive disorders associated with insomnia and anxiety. This drug does not aggravate psychotic symptoms in patients with schizophrenia or schizoaffective disorders. (From AMA Drug Evaluations Annual, 1994, p309). trazodone : An N-arylpiperazine in which one nitrogen is substituted by a 3-chlorophenyl group, while the other is substituted by a 3-(3-oxo[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)propyl group. | 2.47 | 2 | 0 | monochlorobenzenes; N-alkylpiperazine; N-arylpiperazine; triazolopyridine | adrenergic antagonist; antidepressant; anxiolytic drug; H1-receptor antagonist; sedative; serotonin uptake inhibitor |
triamterene Triamterene: A pteridinetriamine compound that inhibits SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS.. triamterene : Pteridine substituted at positions 2, 4 and 7 with amino groups and at position 6 with a phenyl group. A sodium channel blocker, it is used as a diuretic in the treatment of hypertension and oedema. | 2.75 | 3 | 0 | pteridines | diuretic; sodium channel blocker |
triazolam Triazolam: A short-acting benzodiazepine used in the treatment of insomnia. Some countries temporarily withdrew triazolam from the market because of concerns about adverse reactions, mostly psychological, associated with higher dose ranges. Its use at lower doses with appropriate care and labeling has been reaffirmed by the FDA and most other countries. | 2.05 | 1 | 0 | triazolobenzodiazepine | sedative |
trichlormethiazide Trichlormethiazide: A thiazide diuretic with properties similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p830). trichlormethiazide : A benzothiadiazine, hydrogenated at positions 2, 3 and 4 and substituted with an aminosulfonyl group at C-7, a chloro substituent at C-6 and a dichloromethyl group at C-3 and with S-1 as an S,S-dioxide. A sulfonamide antibiotic, it is used as a diuretic to treat oedema (including that associated with heart failure) and hypertension. | 2.44 | 2 | 0 | benzothiadiazine; sulfonamide antibiotic | antihypertensive agent; diuretic |
2,2',2''-trichlorotriethylamine 2,2',2''-trichlorotriethylamine: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | | |
triclosan [no description available] | 2.38 | 2 | 0 | aromatic ether; dichlorobenzene; monochlorobenzenes; phenols | antibacterial agent; antimalarial; drug allergen; EC 1.3.1.9 [enoyl-[acyl-carrier-protein] reductase (NADH)] inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; fungicide; persistent organic pollutant; xenobiotic |
trifluoperazine [no description available] | 2.05 | 1 | 0 | N-alkylpiperazine; N-methylpiperazine; organofluorine compound; phenothiazines | antiemetic; calmodulin antagonist; dopaminergic antagonist; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor; phenothiazine antipsychotic drug |
trifluperidol Trifluperidol: A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in the treatment of PSYCHOSES including MANIA and SCHIZOPHRENIA. (From Martindale, The Extra Pharmacopoeia, 30th ed, p621) | 2.04 | 1 | 0 | aromatic ketone | |
triflupromazine Triflupromazine: A phenothiazine used as an antipsychotic agent and as an antiemetic.. triflupromazine : A member of the class of phenothiazines that is 10H-phenothiazine having a trifluoromethyl subsitituent at the 2-position and a 3-(dimethylamino)propyl group at the N-10 position. | 2.05 | 1 | 0 | organofluorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; first generation antipsychotic |
trimebutine Trimebutine: Proposed spasmolytic with possible local anesthetic action used in gastrointestinal disorders. | 2.04 | 1 | 0 | trihydroxybenzoic acid | |
trimethadione Trimethadione: An anticonvulsant effective in absence seizures, but generally reserved for refractory cases because of its toxicity. (From AMA Drug Evaluations Annual, 1994, p378). trimethadione : An oxazolidinone that is 1,3-oxazolidine-2,4-dione substituted by methyl groups at positions 3, 5 and 5. It is an antiepileptic agent. | 2.96 | 4 | 0 | oxazolidinone | anticonvulsant; geroprotector |
trimethoprim Trimethoprim: A pyrimidine inhibitor of dihydrofolate reductase, it is an antibacterial related to PYRIMETHAMINE. It is potentiated by SULFONAMIDES and the TRIMETHOPRIM, SULFAMETHOXAZOLE DRUG COMBINATION is the form most often used. It is sometimes used alone as an antimalarial. TRIMETHOPRIM RESISTANCE has been reported.. trimethoprim : An aminopyrimidine antibiotic whose structure consists of pyrimidine 2,4-diamine and 1,2,3-trimethoxybenzene moieties linked by a methylene bridge. | 3.15 | 5 | 0 | aminopyrimidine; methoxybenzenes | antibacterial drug; diuretic; drug allergen; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; environmental contaminant; xenobiotic |
trimetrexate Trimetrexate: A nonclassical folic acid inhibitor through its inhibition of the enzyme dihydrofolate reductase. It is being tested for efficacy as an antineoplastic agent and as an antiparasitic agent against PNEUMOCYSTIS PNEUMONIA in AIDS patients. Myelosuppression is its dose-limiting toxic effect. | 2.04 | 1 | 0 | | |
trimipramine Trimipramine: Tricyclic antidepressant similar to IMIPRAMINE, but with more antihistaminic and sedative properties.. trimipramine : A dibenzoazepine that is 10,11-dihydro-5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)-2-methylpropyl group at the nitrogen atom. It is used as an antidepressant. | 2.04 | 1 | 0 | dibenzoazepine; tertiary amino compound | antidepressant; environmental contaminant; xenobiotic |
tripelennamine Tripelennamine: A histamine H1 antagonist with low sedative action but frequent gastrointestinal irritation. It is used to treat ASTHMA; HAY FEVER; URTICARIA; and RHINITIS; and also in veterinary applications. Tripelennamine is administered by various routes, including topically. | 3.32 | 7 | 0 | aromatic amine | |
troglitazone Troglitazone: A chroman and thiazolidinedione derivative that acts as a PEROXISOME PROLIFERATOR-ACTIVATED RECEPTORS (PPAR) agonist. It was formerly used in the treatment of TYPE 2 DIABETES MELLITUS, but has been withdrawn due to hepatotoxicity. | 2.75 | 3 | 0 | chromanes; thiazolidinone | anticoagulant; anticonvulsant; antineoplastic agent; antioxidant; EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; hypoglycemic agent; platelet aggregation inhibitor; vasodilator agent |
thenoyltrifluoroacetone Thenoyltrifluoroacetone: Chelating agent and inhibitor of cellular respiration. | 2.08 | 1 | 0 | | |
delavirdine Delavirdine: A potent, non-nucleoside reverse transcriptase inhibitor with activity specific for HIV-1.. delavirdine : The amide resulting from the formal condensation of 5-[(methylsulfonyl)amino]-1H-indole-2-carboxylic acid and 4-amino group of 1-[3-(isopropylamino)pyridin-2-yl]piperazine, delavirdine is a non-nucleoside reverse transcriptase inhibitor with activity specific for HIV-1. Viral resistance emerges rapidly when delavirdine is used alone, so it is therefore used (as the methanesulfonic acid salt) with other antiretrovirals for combination therapy of HIV infection. | 2.04 | 1 | 0 | aminopyridine; indolecarboxamide; N-acylpiperazine; sulfonamide | antiviral drug; HIV-1 reverse transcriptase inhibitor |
undecylenic acid undecylenic acid: a fatty acid with a terminal double bond. 10-undecenoic acid : An undecenoic acid having its double bond in the 10-position. It is derived from castor oil and is used for the treatment of skin problems.. undecenoic acid : A C11, straight-chain fatty acid carrying a C=C double bond at any position. | 2.08 | 1 | 0 | undecenoic acid | antifungal drug; plant metabolite |
urapidil [no description available] | 2.08 | 1 | 0 | piperazines | |
urethane [no description available] | 2.04 | 1 | 0 | carbamate ester | fungal metabolite; mutagen |
venlafaxine venlafaxine : A tertiary amino compound that is N,N-dimethylethanamine substituted at position 1 by a 1-hydroxycyclohexyl and 4-methoxyphenyl group. | 2.75 | 3 | 0 | cyclohexanols; monomethoxybenzene; tertiary alcohol; tertiary amino compound | adrenergic uptake inhibitor; analgesic; antidepressant; dopamine uptake inhibitor; environmental contaminant; serotonin uptake inhibitor; xenobiotic |
vesamicol vesamicol: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | piperidines | |
vesnarinone [no description available] | 2.05 | 1 | 0 | organic molecular entity | |
vigabatrin [no description available] | 2.47 | 2 | 0 | gamma-amino acid | anticonvulsant; EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor |
pirinixic acid pirinixic acid: structure | 2.08 | 1 | 0 | aryl sulfide; organochlorine compound; pyrimidines | |
ici 204,219 zafirlukast: a leukotriene D4 receptor antagonist | 2.47 | 2 | 0 | carbamate ester; indoles; N-sulfonylcarboxamide | anti-asthmatic agent; leukotriene antagonist |
zaleplon zaleplon: an azabicyclo(4.3.0)nonane; a nonbenzodiazepine; one of the so-called of Z drugs (zopiclone, eszopiclone, zolpidem, and zaleplon) for which there is some correlation with tumors; a hypnotic with less marked effect on psychomotor functions compared to lorazepam. zaleplon : A pyrazolo[1,5-a]pyrimidine having a nitrile group at position 3 and a 3-(N-ethylacetamido)phenyl substituent at the 7-position. | 2.08 | 1 | 0 | nitrile; pyrazolopyrimidine | anticonvulsant; anxiolytic drug; central nervous system depressant; sedative |
zinc chloride zinc chloride: RN given refers to parent cpd. zinc dichloride : A compound of zinc and chloride ions in the ratio 1:2. It exists in four crystalline forms, in each of which the Zn(2+) ions are trigonal planar coordinated to four chloride ions. | 3.89 | 2 | 1 | inorganic chloride; zinc molecular entity | astringent; disinfectant; EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor; Lewis acid |
zolpidem Zolpidem: An imidazopyridine derivative and short-acting GABA-A receptor agonist that is used for the treatment of INSOMNIA.. zolpidem : An imidazo[1,2-a]pyridine compound having a 4-tolyl group at the 2-position, an N,N-dimethylcarbamoylmethyl group at the 3-position and a methyl substituent at the 6-position. | 2.05 | 1 | 0 | imidazopyridine | central nervous system depressant; GABA agonist; sedative |
zonisamide Zonisamide: A benzisoxazole and sulfonamide derivative that acts as a CALCIUM CHANNEL blocker. It is used primarily as an adjunctive antiepileptic agent for the treatment of PARTIAL SEIZURES, with or without secondary generalization.. zonisamide : A 1,2-benzoxazole compound having a sulfamoylmethyl substituent at the 3-position. | 2.08 | 1 | 0 | 1,2-benzoxazoles; sulfonamide | anticonvulsant; antioxidant; central nervous system drug; protective agent; T-type calcium channel blocker |
zopiclone zopiclone: S(+)-enantiomer of racemic zopiclone; azabicyclo(4.3.0)nonane; a nonbenzodiazepine; one of the so-called of Z drugs (zopiclone, eszopiclone, zolpidem, and zaleplon) for which there is some correlation with tumors; was term of zopiclone 2004-2007. zopiclone : A pyrrolo[3,4-b]pyrazine compound having a 4-methylpiperazine-1-carboxyl group at the 5-position, a 5-chloropyridin-2-yl group at the 6-position and an oxo-substituent at the 7-position. | 2.47 | 2 | 0 | monochloropyridine; pyrrolopyrazine | central nervous system depressant; sedative |
guanidine hydrochloride [no description available] | 2.05 | 1 | 0 | one-carbon compound; organic chloride salt | protein denaturant |
hydrocortisone acetate hydrocortisone acetate: RN given refers to cpd without isomeric designation | 3.8 | 2 | 1 | cortisol ester; tertiary alpha-hydroxy ketone | |
cortisone acetate Cortisone Acetate: The acetate ester of cortisone that is used mainly for replacement therapy in adrenocortical insufficiency and in the treatment of many allergic and inflammatory disorders. | 2.05 | 1 | 0 | corticosteroid hormone | |
mitomycin Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae. | 2.05 | 1 | 0 | mitomycin | alkylating agent; antineoplastic agent |
oxyphenonium Oxyphenonium: A quaternary ammonium anticholinergic agent with peripheral side effects similar to those of ATROPINE. It is used as an adjunct in the treatment of gastric and duodenal ulcer, and to relieve visceral spasms. The drug has also been used in the form of eye drops for mydriatic effect. | 10.2 | 12 | 1 | acylcholine | |
corticosterone [no description available] | 2.84 | 3 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
prednisolone Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 3.56 | 9 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antineoplastic agent; drug metabolite; environmental contaminant; immunosuppressive agent; xenobiotic |
estriol hormonin: estrogen replacement; each tablet contains 600 ug micronized 17beta-estradiol, 270 ug estriol and 1.4 mg estrone. chlorapatite : A phosphate mineral with the formula Ca5(PO4)3Cl. | 2.05 | 1 | 0 | 16alpha-hydroxy steroid; 17beta-hydroxy steroid; 3-hydroxy steroid | estrogen; human metabolite; human xenobiotic metabolite; mouse metabolite |
lysergic acid diethylamide Lysergic Acid Diethylamide: Semisynthetic derivative of ergot (Claviceps purpurea). It has complex effects on serotonergic systems including antagonism at some peripheral serotonin receptors, both agonist and antagonist actions at central nervous system serotonin receptors, and possibly effects on serotonin turnover. It is a potent hallucinogen, but the mechanisms of that effect are not well understood.. lysergic acid diethylamide : An ergoline alkaloid arising from formal condensation of lysergic acid with diethylamine. | 2.04 | 1 | 0 | ergoline alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound | dopamine agonist; hallucinogen; serotonergic agonist |
reserpine Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. | 3.11 | 5 | 0 | alkaloid ester; methyl ester; yohimban alkaloid | adrenergic uptake inhibitor; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; first generation antipsychotic; plant metabolite; xenobiotic |
cephaloridine Cephaloridine: A cephalosporin antibiotic.. cefaloridine : A cephalosporin compound having pyridinium-1-ylmethyl and 2-thienylacetamido side-groups. A first-generation semisynthetic derivative of cephalosporin C. | 2.05 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; semisynthetic derivative | antibacterial drug |
phentolamine Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.. phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension. | 2.45 | 2 | 0 | imidazoles; phenols; substituted aniline; tertiary amino compound | alpha-adrenergic antagonist; vasodilator agent |
sorbitol D-glucitol : The D-enantiomer of glucitol (also known as D-sorbitol). | 2.45 | 2 | 0 | glucitol | cathartic; Escherichia coli metabolite; food humectant; human metabolite; laxative; metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite; sweetening agent |
thymidine [no description available] | 1.97 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
floxuridine Floxuridine: An antineoplastic antimetabolite that is metabolized to fluorouracil when administered by rapid injection; when administered by slow, continuous, intra-arterial infusion, it is converted to floxuridine monophosphate. It has been used to treat hepatic metastases of gastrointestinal adenocarcinomas and for palliation in malignant neoplasms of the liver and gastrointestinal tract.. floxuridine : A pyrimidine 2'-deoxyribonucleoside compound having 5-fluorouracil as the nucleobase; used to treat hepatic metastases of gastrointestinal adenocarcinomas and for palliation in malignant neoplasms of the liver and gastrointestinal tract. | 2.74 | 3 | 0 | nucleoside analogue; organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; radiosensitizing agent |
piperonyl butoxide [no description available] | 2.05 | 1 | 0 | benzodioxoles | pesticide synergist |
triethylenemelamine Triethylenemelamine: Toxic alkylating agent used in industry; also as antineoplastic and research tool to produce chromosome aberrations and cancers. | 2.04 | 1 | 0 | 1,3,5-triazines | alkylating agent; insect sterilant |
bromouracil Bromouracil: 5-Bromo-2,4(1H,3H)-pyrimidinedione. Brominated derivative of uracil that acts as an antimetabolite, substituting for thymine in DNA. It is used mainly as an experimental mutagen, but its deoxyriboside (BROMODEOXYURIDINE) is used to treat neoplasms.. 5-bromouracil : A pyrimidine having keto groups at the 2- and 4-positions and a bromo group at the 5-position. Used mainly as an experimental mutagen. | 2.05 | 1 | 0 | nucleobase analogue; pyrimidines | mutagen |
3,3',5-triiodothyroacetic acid tiratricol : A monocarboxylic acid that is (4-hydroxy-3,5-diiodophenyl)acetic acid in which the phenolic hydroxy group has been replaced by a 4-hydroxy-3-iodophenoxy group. It is a thyroid hormone analogue that has been used in the treatment of thyroid hormone resistance syndrome. | 2.05 | 1 | 0 | | |
histamine dihydrochloride Ceplene: Tradename for histamine dihydrochloride. | 2.05 | 1 | 0 | | |
thyroxine Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 9.26 | 4 | 1 | 2-halophenol; iodophenol; L-phenylalanine derivative; non-proteinogenic L-alpha-amino acid; thyroxine zwitterion; thyroxine | antithyroid drug; human metabolite; mouse metabolite; thyroid hormone |
dextroamphetamine Dextroamphetamine: The d-form of AMPHETAMINE. It is a central nervous system stimulant and a sympathomimetic. It has also been used in the treatment of narcolepsy and of attention deficit disorders and hyperactivity in children. Dextroamphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulating release of monamines, and inhibiting monoamine oxidase. It is also a drug of abuse and a psychotomimetic.. (S)-amphetamine : A 1-phenylpropan-2-amine that has S configuration. | 2.05 | 1 | 0 | 1-phenylpropan-2-amine | adrenergic agent; adrenergic uptake inhibitor; dopamine uptake inhibitor; dopaminergic agent; neurotoxin; sympathomimetic agent |
carbachol Carbachol: A slowly hydrolyzed CHOLINERGIC AGONIST that acts at both MUSCARINIC RECEPTORS and NICOTINIC RECEPTORS. | 2.05 | 1 | 0 | ammonium salt; carbamate ester | cardiotonic drug; miotic; muscarinic agonist; nicotinic acetylcholine receptor agonist; non-narcotic analgesic |
norethindrone acetate norethisterone acetate : A 3-oxo Delta(4)-steroid that is norethisterone in which the hydroxy group has been converted to its acetate ester. | 2.45 | 2 | 0 | 3-oxo-Delta(4) steroid; acetate ester; terminal acetylenic compound | progestin; synthetic oral contraceptive |
spironolactone Spironolactone: A potassium sparing diuretic that acts by antagonism of aldosterone in the distal renal tubules. It is used mainly in the treatment of refractory edema in patients with congestive heart failure, nephrotic syndrome, or hepatic cirrhosis. Its effects on the endocrine system are utilized in the treatments of hirsutism and acne but they can lead to adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p827). spironolactone : A steroid lactone that is 17alpha-pregn-4-ene-21,17-carbolactone substituted by an oxo group at position 3 and an alpha-acetylsulfanyl group at position 7. | 2.05 | 1 | 0 | 3-oxo-Delta(4) steroid; oxaspiro compound; steroid lactone; thioester | aldosterone antagonist; antihypertensive agent; diuretic; environmental contaminant; xenobiotic |
cyclobarbital cyclobarbital: was heading 1977-94 (see under BARBITURATES 1977-90); CYCLOBARBITONE, HEXEMAL, & TETRAHYDROPHENOBARBITAL were see CYCLOBARBITAL 1977-94; use BARBITURATES to search CYCLOBARBITAL 1977-94; short to intermediate duration barbiturate used as hypnotic and sedative | 2.45 | 2 | 0 | barbiturates | |
allobarbital allobarbital: was heading 1976-94 (see under BARBITURATES 1976-90); ALLOBARBITONE, DIALLYLBARBITAL, DIALLYLBARBITURIC ACID, & DIALLYLMAL were see ALLOBARBITAL 1976-94; use BARBITURATES to search ALLOBARBITAL 1976-94; a barbiturate derivative with effects of intermediate duration; at lower doses, it is used as a sedative; at higher doses, it displays hypnotic effects | 2.45 | 2 | 0 | barbiturates | |
penicillamine Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group. | 4.49 | 7 | 0 | non-proteinogenic alpha-amino acid; penicillamine | antirheumatic drug; chelator; copper chelator; drug allergen |
trichlorfon Trichlorfon: An organochlorophosphate cholinesterase inhibitor that is used as an insecticide for the control of flies and roaches. It is also used in anthelmintic compositions for animals. (From Merck, 11th ed). trichlorfon : A phosphonic ester that is dimethyl phosphonate in which the hydrogen atom attched to the phosphorous is substituted by a 2,2,2-trichloro-1-hydroxyethyl group. | 2.05 | 1 | 0 | organic phosphonate; organochlorine compound; phosphonic ester | agrochemical; anthelminthic drug; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; insecticide |
norethandrolone Norethandrolone: A synthetic hormone with anabolic and androgenic properties and moderate progestational activity. | 2.04 | 1 | 0 | corticosteroid hormone | |
prednisone Prednisone: A synthetic anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver.. prednisone : A synthetic glucocorticoid drug that is particularly effective as an immunosuppressant, and affects virtually all of the immune system. Prednisone is a prodrug that is converted by the liver into prednisolone (a beta-hydroxy group instead of the oxo group at position 11), which is the active drug and also a steroid. | 2.38 | 2 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antineoplastic agent; immunosuppressive agent; prodrug |
estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 2.05 | 1 | 0 | 17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols | antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite |
paramethasone Paramethasone: A glucocorticoid with the general properties of corticosteroids. It has been used by mouth in the treatment of all conditions in which corticosteroid therapy is indicated except adrenal-deficiency states for which its lack of sodium-retaining properties makes it less suitable than HYDROCORTISONE with supplementary FLUDROCORTISONE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p737) | 2.45 | 2 | 0 | fluorinated steroid | |
oxandrolone Oxandrolone: A synthetic hormone with anabolic and androgenic properties. | 2.45 | 2 | 0 | 17beta-hydroxy steroid; 3-oxo steroid; anabolic androgenic steroid; oxa-steroid | anabolic agent; androgen |
dehydroepiandrosterone Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 2.05 | 1 | 0 | 17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid | androgen; human metabolite; mouse metabolite |
nad [no description available] | 2.05 | 1 | 0 | NAD | geroprotector |
azauridine Azauridine: A triazine nucleoside used as an antineoplastic antimetabolite. It interferes with pyrimidine biosynthesis thereby preventing formation of cellular nucleic acids. As the triacetate, it is also effective as an antipsoriatic. | 2.04 | 1 | 0 | N-glycosyl-1,2,4-triazine | antimetabolite; antineoplastic agent; drug metabolite |
penicillin g Penicillin G: A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.. benzylpenicillin : A penicillin in which the substituent at position 6 of the penam ring is a phenylacetamido group. | 3.21 | 6 | 0 | penicillin allergen; penicillin | antibacterial drug; drug allergen; epitope |
idoxuridine [no description available] | 2.04 | 1 | 0 | organoiodine compound; pyrimidine 2'-deoxyribonucleoside | antiviral drug; DNA synthesis inhibitor |
pilocarpine Pilocarpine: A slowly hydrolyzed muscarinic agonist with no nicotinic effects. Pilocarpine is used as a miotic and in the treatment of glaucoma.. (+)-pilocarpine : The (+)-enantiomer of pilocarpine. | 2.75 | 3 | 0 | pilocarpine | antiglaucoma drug |
triiodothyronine Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3.. 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. | 2.38 | 2 | 0 | 2-halophenol; amino acid zwitterion; iodophenol; iodothyronine | human metabolite; mouse metabolite; thyroid hormone |
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.38 | 2 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 3.35 | 1 | 0 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
desoxycorticosterone acetate Desoxycorticosterone Acetate: The 21-acetate derivative of desoxycorticosterone. | 2.04 | 1 | 0 | corticosteroid hormone | |
chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 12.3 | 20 | 1 | C-nitro compound; carboxamide; diol; organochlorine compound | antibacterial drug; antimicrobial agent; Escherichia coli metabolite; geroprotector; Mycoplasma genitalium metabolite; protein synthesis inhibitor |
glutamine Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 2.46 | 2 | 0 | amino acid zwitterion; glutamine family amino acid; glutamine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 2.04 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid | algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
cetrimonium bromide cetyltrimethylammonium bromide : The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide. | 2.46 | 2 | 0 | organic bromide salt; quaternary ammonium salt | detergent; surfactant |
cyanides Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 3.74 | 2 | 1 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
vincristine [no description available] | 2.45 | 2 | 0 | acetate ester; formamides; methyl ester; organic heteropentacyclic compound; organic heterotetracyclic compound; tertiary alcohol; tertiary amino compound; vinca alkaloid | antineoplastic agent; drug; microtubule-destabilising agent; plant metabolite; tubulin modulator |
physostigmine Physostigmine: A cholinesterase inhibitor that is rapidly absorbed through membranes. It can be applied topically to the conjunctiva. It also can cross the blood-brain barrier and is used when central nervous system effects are desired, as in the treatment of severe anticholinergic toxicity. | 2.45 | 2 | 0 | carbamate ester; indole alkaloid | antidote to curare poisoning; EC 3.1.1.8 (cholinesterase) inhibitor; miotic |
sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 2.05 | 1 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
ethinyl estradiol Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.. 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. | 2.91 | 4 | 0 | 17-hydroxy steroid; 3-hydroxy steroid; terminal acetylenic compound | xenoestrogen |
testosterone propionate Testosterone Propionate: An ester of TESTOSTERONE with a propionate substitution at the 17-beta position.. androgen : A sex hormone that stimulates or controls the development and maintenance of masculine characteristics in vertebrates by binding to androgen receptors. | 2.05 | 1 | 0 | steroid ester | |
tubocurarine Tubocurarine: A neuromuscular blocker and active ingredient in CURARE; plant based alkaloid of Menispermaceae.. tubocurarine : A benzylisoquinoline alkaloid muscle relaxant which constitutes the active component of curare.. isoquinoline alkaloid : Any alkaloid that has a structure based on an isoquinoline nucleus. They are derived from the amino acids like tyrosine and phenylalanine. | 2.08 | 1 | 0 | bisbenzylisoquinoline alkaloid | drug allergen; muscle relaxant; nicotinic antagonist |
apomorphine Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. | 2.47 | 2 | 0 | aporphine alkaloid | alpha-adrenergic drug; antidyskinesia agent; antiparkinson drug; dopamine agonist; emetic; serotonergic drug |
aminopyrine Aminopyrine: A pyrazolone with analgesic, anti-inflammatory, and antipyretic properties but has risk of AGRANULOCYTOSIS. A breath test with 13C-labeled aminopyrine has been used as a non-invasive measure of CYTOCHROME P-450 metabolic activity in LIVER FUNCTION TESTS.. aminophenazone : A pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. | 2.38 | 2 | 0 | pyrazolone; tertiary amino compound | antipyretic; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
methyltestosterone Methyltestosterone: A synthetic hormone used for androgen replacement therapy and as an hormonal antineoplastic agent (ANTINEOPLASTIC AGENTS, HORMONAL).. methyltestosterone : A 17beta-hydroxy steroid that is testosterone bearing a methyl group at the 17alpha position. | 2.05 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; enone | anabolic agent; androgen; antineoplastic agent |
dromostanolone dromostanolone: synthetic anabolic androgenic steroid used to lower plasma cholesterol & as antineoplastic agent in advanced breast neoplasms; major descriptor (66-86); on-line search ANDROSTANOLS (80-86); ANDROSTANES (68-86); INDEX MEDICUS search DROMOSTANOLONE (66-86); RN given refers to (2alpha,5alpha,17beta)-isomer | 2.04 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-5alpha-steroid; anabolic androgenic steroid | anabolic agent; antineoplastic agent |
tetrabenazine 9,10-dimethoxy-3-isobutyl-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one : A benzoquinolizine that is 1,2,3,4,4a,9,10,10a-octahydrophenanthrene in which the carbon at position 10a is replaced by a nitrogen and which is substituted by an isobutyl group at position 2, an oxo group at position 3, and methoxy groups at positions 6 and 7. | 2.05 | 1 | 0 | benzoquinolizine; cyclic ketone; tertiary amino compound | |
cephalothin Cephalothin: A cephalosporin antibiotic.. cefalotin : A semisynthetic, first-generation cephalosporin antibiotic with acetoxymethyl and (2-thienylacetyl)nitrilo moieties at positions 3 and 7, respectively, of the core structure. Administered parenterally during surgery and to treat a wide spectrum of blood infections. | 2.45 | 2 | 0 | azabicycloalkene; beta-lactam antibiotic allergen; carboxylic acid; cephalosporin; semisynthetic derivative; thiophenes | antibacterial drug; antimicrobial agent |
uridine [no description available] | 2.4 | 2 | 0 | uridines | drug metabolite; fundamental metabolite; human metabolite |
kanamycin a Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components. | 4.44 | 7 | 0 | kanamycins | bacterial metabolite |
bromodeoxyuridine Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. | 2.04 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent |
galactose galactopyranose : The pyranose form of galactose. | 2.13 | 1 | 0 | D-galactose; galactopyranose | Escherichia coli metabolite; mouse metabolite |
phenylephrine Phenylephrine: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.. phenylephrine : A member of the class of the class of phenylethanolamines that is (1R)-2-(methylamino)-1-phenylethan-1-ol carrying an additional hydroxy substituent at position 3 on the phenyl ring. | 2.05 | 1 | 0 | phenols; phenylethanolamines; secondary amino compound | alpha-adrenergic agonist; cardiotonic drug; mydriatic agent; nasal decongestant; protective agent; sympathomimetic agent; vasoconstrictor agent |
thiamine [no description available] | 2.04 | 1 | 0 | organic chloride salt; vitamin B1 | |
levodopa Levodopa: The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system.. L-dopa : An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | 2.97 | 4 | 0 | amino acid zwitterion; dopa; L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | allelochemical; antidyskinesia agent; antiparkinson drug; dopaminergic agent; hapten; human metabolite; mouse metabolite; neurotoxin; plant growth retardant; plant metabolite; prodrug |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 3.67 | 9 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
cysteamine Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 2.04 | 1 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
methicillin Methicillin: One of the PENICILLINS which is resistant to PENICILLINASE but susceptible to a penicillin-binding protein. It is inactivated by gastric acid so administered by injection.. methicillin : A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 2,6-dimethoxybenzoyl group. | 2.65 | 3 | 0 | penicillin allergen; penicillin | antibacterial drug |
niridazole Niridazole: An antischistosomal agent that has become obsolete. | 2.45 | 2 | 0 | 1,3-thiazoles; C-nitro compound | |
cloxacillin Cloxacillin: A semi-synthetic antibiotic that is a chlorinated derivative of OXACILLIN.. cloxacillin : A semisynthetic penicillin antibiotic carrying a 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamido group at position 6. | 2.04 | 1 | 0 | penicillin allergen; penicillin; semisynthetic derivative | antibacterial agent; antibacterial drug |
methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 3.18 | 1 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
bretylium tosylate Bretylium Tosylate: An agent that blocks the release of adrenergic transmitters and may have other actions. It was formerly used as an antihypertensive agent, but is now proposed as an anti-arrhythmic.. bretylium tosylate : The tosylate salt of bretylium. It blocks noradrenaline release from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular tachycardia and ventricular fibrillation. | 2.04 | 1 | 0 | organosulfonate salt; quaternary ammonium salt | adrenergic antagonist; anti-arrhythmia drug; antihypertensive agent |
zoxazolamine Zoxazolamine: A uricosuric and muscle relaxant. Zoxazolamine acts centrally as a muscle relaxant, but the mechanism of its action is not understood. | 2.04 | 1 | 0 | benzoxazole | |
leucine Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 2.4 | 2 | 0 | amino acid zwitterion; L-alpha-amino acid; leucine; proteinogenic amino acid; pyruvate family amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
aniline [no description available] | 2.04 | 1 | 0 | anilines; primary arylamine | |
carbaryl Carbaryl: A carbamate insecticide and parasiticide. It is a potent anticholinesterase agent belonging to the carbamate group of reversible cholinesterase inhibitors. It has a particularly low toxicity from dermal absorption and is used for control of head lice in some countries.. carbaryl : A carbamate ester obtained by the formal condensation of 1-naphthol with methylcarbamic acid. | 2.05 | 1 | 0 | carbamate ester; naphthalenes | acaricide; agrochemical; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; plant growth retardant |
lactose Lactose: A disaccharide of GLUCOSE and GALACTOSE in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry.. lactose : A glycosylglucose disaccharide, found most notably in milk, that consists of D-galactose and D-glucose fragments bonded through a beta-1->4 glycosidic linkage. The glucose fragment can be in either the alpha- or beta-pyranose form, whereas the galactose fragment can only have the beta-pyranose form.. beta-lactose : The beta-anomer of lactose. | 2.05 | 1 | 0 | lactose | |
methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.05 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
1,2-dipalmitoylphosphatidylcholine 1,2-Dipalmitoylphosphatidylcholine: Synthetic phospholipid used in liposomes and lipid bilayers to study biological membranes. It is also a major constituent of PULMONARY SURFACTANTS. | 3.01 | 1 | 0 | | |
Mebutamate [no description available] | 2.05 | 1 | 0 | organic molecular entity | |
colchicine (S)-colchicine : A colchicine that has (S)-configuration. It is a secondary metabolite, has anti-inflammatory properties and is used to treat gout, crystal-induced joint inflammation, familial Mediterranean fever, and many other conditions. | 2.75 | 3 | 0 | alkaloid; colchicine | anti-inflammatory agent; gout suppressant; mutagen |
gallamine triethiodide Gallamine Triethiodide: A synthetic nondepolarizing blocking drug. The actions of gallamine triethiodide are similar to those of TUBOCURARINE, but this agent blocks the cardiac vagus and may cause sinus tachycardia and, occasionally, hypertension and increased cardiac output. It should be used cautiously in patients at risk from increased heart rate but may be preferred for patients with bradycardia. (From AMA Drug Evaluations Annual, 1992, p198) | 2.04 | 1 | 0 | | |
uracil mustard Uracil Mustard: Nitrogen mustard derivative of URACIL. It is a alkylating antineoplastic agent that is used in lymphatic malignancies, and causes mainly gastrointestinal and bone marrow damage. | 2.04 | 1 | 0 | aminouracil; nitrogen mustard | |
oxacillin Oxacillin: An antibiotic similar to FLUCLOXACILLIN used in resistant staphylococci infections.. oxacillin : A penicillin antibiotic carrying a 5-methyl-3-phenylisoxazole-4-carboxamide group at position 6beta. | 2.37 | 2 | 0 | penicillin | antibacterial agent; antibacterial drug |
cycloheximide Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 2.39 | 2 | 0 | antibiotic fungicide; cyclic ketone; dicarboximide; piperidine antibiotic; piperidones; secondary alcohol | anticoronaviral agent; bacterial metabolite; ferroptosis inhibitor; neuroprotective agent; protein synthesis inhibitor |
egtazic acid Egtazic Acid: A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.. ethylene glycol bis(2-aminoethyl)tetraacetic acid : A diether that is ethylene glycol in which the hydrogens of the hydroxy groups have been replaced by 2-[bis(carboxymethyl)amino]ethyl group respectively. | 3.57 | 2 | 0 | diether; tertiary amino compound; tetracarboxylic acid | chelator |
chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 7.69 | 3 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
fluocinolone acetonide Fluocinolone Acetonide: A glucocorticoid derivative used topically in the treatment of various skin disorders. It is usually employed as a cream, gel, lotion, or ointment. It has also been used topically in the treatment of inflammatory eye, ear, and nose disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p732). fluocinolone acetonide : A fluorinated steroid that is flunisolide in which the hydrogen at position 9 is replaced by fluorine. A corticosteroid with glucocorticoid activity, it is used (both as the anhydrous form and as the dihydrate) in creams, gels and ointments for the treatment of various skin disorders. | 5.04 | 10 | 1 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; cyclic ketal; fluorinated steroid; glucocorticoid; organic heteropentacyclic compound; primary alpha-hydroxy ketone | anti-inflammatory drug; antipruritic drug |
triamcinolone diacetate triamcinolone diacetate: lysyl oxidase antagonist; Polcortolon may also refers to triamcinolone | 2.08 | 1 | 0 | corticosteroid hormone | |
norethindrone Norethindrone: A synthetic progestational hormone with actions similar to those of PROGESTERONE but functioning as a more potent inhibitor of ovulation. It has weak estrogenic and androgenic properties. The hormone has been used in treating amenorrhea, functional uterine bleeding, endometriosis, and for CONTRACEPTION.. norethisterone : A 17beta-hydroxy steroid that is testosterone in which the hydrogen at position 17 is replaced by an ethynyl group and in which the methyl group attached to position 10 is replaced by hydrogen. | 2.05 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; terminal acetylenic compound; tertiary alcohol | progestin; synthetic oral contraceptive |
norethynodrel Norethynodrel: A synthetic progestational hormone with actions and uses similar to those of PROGESTERONE. It has been used in the treatment of functional uterine bleeding and ENDOMETRIOSIS. As a contraceptive (CONTRACEPTIVE AGENTS), it has usually been administered in combination with MESTRANOL. | 2.05 | 1 | 0 | oxo steroid | |
triaziquone Triaziquone: Alkylating antineoplastic agent used mainly for ovarian tumors. It is toxic to skin, gastrointestinal tract, bone marrow and kidneys.. triaziquone : A member of the class of 1,4-benzoquinones that is 1,4-benzoquinone in which three of the ring hydrogens are replaced by aziridin-1-yl groups. | 2.04 | 1 | 0 | 1,4-benzoquinones; aziridines | alkylating agent; antineoplastic agent |
benziodarone benziodarone: minor descriptor (75-89); on-line & INDEX MEDICUS search BENZOFURANS (68-89) & IODOBENZOATES (74) | 2.05 | 1 | 0 | aromatic ketone | |
ampicillin Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.. ampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | 3.23 | 6 | 0 | beta-lactam antibiotic; penicillin allergen; penicillin | antibacterial drug |
mannitol [no description available] | 2.74 | 3 | 0 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
cytarabine [no description available] | 3.15 | 5 | 0 | beta-D-arabinoside; monosaccharide derivative; pyrimidine nucleoside | antimetabolite; antineoplastic agent; antiviral agent; immunosuppressive agent |
trifluridine Trifluridine: An antiviral derivative of THYMIDINE used mainly in the treatment of primary keratoconjunctivitis and recurrent epithelial keratitis due to HERPES SIMPLEX virus. (From Martindale, The Extra Pharmacopoeia, 30th ed, p557). trifluridine : A pyrimidine 2'-deoxyribonucleoside compound having 5-trifluoromethyluracil as the nucleobase. An antiviral drug used mainly in the treatment of primary keratoconjunctivitis and recurrent epithelial keratitis. | 2.04 | 1 | 0 | nucleoside analogue; organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; EC 2.1.1.45 (thymidylate synthase) inhibitor |
asparagine Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 7.03 | 1 | 0 | amino acid zwitterion; asparagine; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
4-hydroxypropiophenone [no description available] | 2.04 | 1 | 0 | acetophenones | |
histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 2.44 | 2 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
medroxyprogesterone acetate [no description available] | 2.47 | 2 | 0 | 20-oxo steroid; 3-oxo-Delta(4) steroid; acetate ester; corticosteroid; steroid ester | adjuvant; androgen; antineoplastic agent; antioxidant; female contraceptive drug; inhibitor; progestin; synthetic oral contraceptive |
sulfobromophthalein sodium bromosulfophthalein sodium : An organic sodium salt that is the disodium salt of bromosulfophthalein.. bromosulfophthalein : An organosulfonic acid that consists of phthalide bearing four bromo substituents at positions 4, 5, 6 and 7 as well as two 4-hydroxy-3-sulfophenyl groups both located at position 1. | 2.45 | 2 | 0 | organic sodium salt | dye |
threonine Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 3.16 | 1 | 0 | amino acid zwitterion; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid; threonine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
mestranol [no description available] | 2.05 | 1 | 0 | 17beta-hydroxy steroid; aromatic ether; terminal acetylenic compound | prodrug; xenoestrogen |
methaqualone Methaqualone: A quinazoline derivative with hypnotic and sedative properties. It has been withdrawn from the market in many countries because of problems with abuse. (From Martindale, The Extra Pharmacopoeia, 30th ed, p604). methaqualone : A member of the class of quinazolines that is quinazolin-4-one substituted at positions 2 and 3 by methyl and o-tolyl groups respectively. A depressant that increases the activity of the GABA receptors in the brain and nervous system, it is used as a sedative and hypnotic medication. It became popular as a recreational drug and club drug in the late 1960s and 1970s. | 2.05 | 1 | 0 | quinazolines | GABA agonist; sedative |
trypan blue VisionBlue: A trypan blue ophthalmic solution. | 2.05 | 1 | 0 | | |
methandrostenolone Methandrostenolone: A synthetic steroid with anabolic properties that are more pronounced than its androgenic effects. It has little progestational activity. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1188) | 2.38 | 2 | 0 | organic molecular entity | |
chlorquinaldol Chlorquinaldol: Local anti-infective agent used for skin, gastrointestinal, and vaginal infections with fungi, protozoa, and certain bacteria. In animals, it causes central nervous system damage and is not administered parenterally. It is also used as antiseptic, fungistat, or deodorant.. chlorquinaldol : A monohydroxyquinoline that is quinolin-8-ol which is substituted by a methyl group at position 2 and by chlorine at positions 5 and 7. An antifungal and antibacterial, it was formerly used for topical treatment of skin conditions and vaginal infections. | 7.81 | 17 | 4 | monohydroxyquinoline; organochlorine compound | antibacterial drug; antiprotozoal drug; antiseptic drug |
cordycepin [no description available] | 2.05 | 1 | 0 | 3'-deoxyribonucleoside; adenosines | antimetabolite; nucleoside antibiotic |
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.66 | 3 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
quinethazone quinethazone: RN given for cpd without isomeric designation. quinethazone : A member of the class of quinazolines that is quinazolin-4-one substituted at positions 2, 6 and 7 by ethyl, sulfamoyl and chloro groups respectively; a thiazide-like diuretic used to treat hypertension. | 2.04 | 1 | 0 | quinazolines | antihypertensive agent; diuretic |
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2.39 | 2 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
carbon disulfide Carbon Disulfide: A colorless, flammable, poisonous liquid, CS2. It is used as a solvent, and is a counterirritant and has local anesthetic properties but is not used as such. It is highly toxic with pronounced CNS, hematologic, and dermatologic effects. | 3.05 | 1 | 0 | one-carbon compound; organosulfur compound | |
tribromoethanol tribromoethanol: major descriptor (66-90); on-line search ETHANOL (66-90); INDEX MEDICUS search TRIBROMOETHANOL (66-90) | 2.04 | 1 | 0 | alcohol; organobromine compound | |
dalapon dalapon: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | carboxylic acid; organohalogen compound | |
trichloroacetic acid Trichloroacetic Acid: A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing warts.. trichloroacetic acid : A monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. | 2.05 | 1 | 0 | monocarboxylic acid; organochlorine compound | carcinogenic agent; metabolite; mouse metabolite |
triamcinolone acetonide Triamcinolone Acetonide: An esterified form of TRIAMCINOLONE. It is an anti-inflammatory glucocorticoid used topically in the treatment of various skin disorders. Intralesional, intramuscular, and intra-articular injections are also administered under certain conditions.. triamcinolone acetonide : A synthetic glucocorticoid that is the 16,17-acetonide of triamcinolone. Used to treat various skin infections. | 4.45 | 5 | 1 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; cyclic ketal; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone | anti-allergic agent; anti-inflammatory drug |
mepenzolate bromide [no description available] | 2.04 | 1 | 0 | diarylmethane | |
allylpropymal allylpropymal: RN given refers to parent cpd. aprobarbital : A member of the class of barbiturates that is pyrimidine-2,4,6(1H,3H,5H)-trione substituted by an isopropyl and a prop-1-en-3-yl group at position 5. | 2.05 | 1 | 0 | barbiturates | |
butobarbital butobarbital: Butobarbital should be distinguished from Butabarbital (a synonym for Secbutabarbital) | 2.05 | 1 | 0 | barbiturates | |
carbromal carbromal: was heading 1963-94 (Prov 1963-73); use UREA to search CARBROMAL 1963-94 | 2.04 | 1 | 0 | N-acylurea | |
methylpentynol methylpentynol: structure | 2.04 | 1 | 0 | ynone | |
tromethamine Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 1.96 | 1 | 0 | primary amino compound; triol | buffer |
quinic acid (-)-quinic acid : The (-)-enantiomer of quinic acid. | 2.05 | 1 | 0 | | |
tri-o-cresyl phosphate tri-o-cresyl phosphate: see also related IMOL S-140 | 3.06 | 1 | 0 | | |
triparanol Triparanol: Antilipemic agent with high ophthalmic toxicity. According to Merck Index, 11th ed, the compound was withdrawn from the market in 1962 because of its association with the formation of irreversible cataracts. | 2.04 | 1 | 0 | stilbenoid | anticoronaviral agent |
trichloroethylene Trichloroethylene: A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment.. triol : A chemical compound containing three hydroxy groups. | 3.48 | 2 | 0 | chloroethenes | inhalation anaesthetic; mouse metabolite |
pantothenic acid Pantothenic Acid: A butyryl-beta-alanine that can also be viewed as pantoic acid complexed with BETA ALANINE. It is incorporated into COENZYME A and protects cells against peroxidative damage by increasing the level of GLUTATHIONE.. pantothenic acid : A member of the class of pantothenic acids that is an amide formed from pantoic acid and beta-alanine.. vitamin B5 : Any member of a group of vitamers that belong to the chemical structural class called pantothenic acids that exhibit biological activity against vitamin B5 deficiency. Deficiency of vitamin B5 is rare due to its widespread distribution in whole grain cereals, legumes and meat. Symptoms associated with vitamin B5 deficiency are difficult to asses since they are subtle and resemble those of other B vitamin deficiencies. The vitamers include (R)-pantothenic acid and its ionized and salt forms.. (R)-pantothenate : A pantothenate that is the conjugate base of (R)-pantothenic acid, obtained by deprotonation of the carboxy group.. (R)-pantothenic acid : A pantothenic acid having R-configuration. | 2.04 | 1 | 0 | pantothenic acid; vitamin B5 | antidote to curare poisoning; geroprotector; human blood serum metabolite |
dehydrocholic acid Dehydrocholic Acid: A semisynthetic bile acid made from cholic acid. It is used as a cholagogue, hydrocholeretic, diuretic, and as a diagnostic aid.. 3,7,12-trioxo-5beta-cholanic acid : An oxo-5beta-cholanic acid in which three oxo substituents are located at positions 3, 7 and 12 on the cholanic acid skeleton. | 3.96 | 14 | 0 | 12-oxo steroid; 3-oxo-5beta-steroid; 7-oxo steroid; oxo-5beta-cholanic acid | gastrointestinal drug |
cyclizine Cyclizine: A histamine H1 antagonist given by mouth or parenterally for the control of postoperative and drug-induced vomiting and in motion sickness. (From Martindale, The Extra Pharmacopoeia, 30th ed, p935). cyclizine : An N-alkylpiperazine in which one nitrogen of the piperazine ring is substituted by a methyl group, while the other is substituted by a diphenylmethyl group. | 2.04 | 1 | 0 | N-alkylpiperazine | antiemetic; central nervous system depressant; cholinergic antagonist; H1-receptor antagonist; local anaesthetic |
buclizine buclizine : An N-alkylpiperazine carrying (4-chlorophenyl)(phenyl)methyl and 4-tert-butylbenzyl groups. | 2.04 | 1 | 0 | monochlorobenzenes; N-alkylpiperazine | antiemetic; central nervous system depressant; cholinergic antagonist; histamine antagonist; local anaesthetic |
methylprednisolone Methylprednisolone: A PREDNISOLONE derivative with similar anti-inflammatory action.. 6alpha-methylprednisolone : The 6alpha-stereoisomer of 6-methylprednisolone. | 2.97 | 4 | 0 | 6-methylprednisolone; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antiemetic; environmental contaminant; neuroprotective agent; xenobiotic |
rotenone Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 2.52 | 2 | 0 | organic heteropentacyclic compound; rotenones | antineoplastic agent; metabolite; mitochondrial NADH:ubiquinone reductase inhibitor; phytogenic insecticide; piscicide; toxin |
thiopropazate thiopropazate: minor descriptor (66-72); major descriptor (73-85); on-line search PHENOTHIAZINES (66-85); Index Medicus search PHENOTHIAZINES (66-72); THIOPROPAZATE (73-85); RN given refers to parent cpd. thiopropazate : A phenothiazine derivative in which 10H-phenothiazine has a chloro subsitituent at the 2-position and a 3-[4-(2-acetoxyethyl)piperazin-1-yl]propyl group at N-10. | 2.04 | 1 | 0 | acetate ester; N-alkylpiperazine; organochlorine compound; phenothiazines | dopaminergic antagonist; phenothiazine antipsychotic drug |
phanquinone phanquinone: structure. phanquone : An orthoquinone that is the 5,6-diketo derivative of 4,7-phenanthroline. | 7.35 | 2 | 0 | orthoquinones | |
8-hydroxyquinoline-5-sulfonic acid 8-hydroxyquinoline-5-sulfonic acid: RN given refers to parent cpd | 1.95 | 1 | 0 | | |
acetrizoic acid Acetrizoic Acid: An iodinated radiographic contrast medium used as acetrizoate sodium in HYSTEROSALPINGOGRAPHY. | 2.04 | 1 | 0 | aminobenzoic acid | |
penicillin v Penicillin V: A broad-spectrum penicillin antibiotic used orally in the treatment of mild to moderate infections by susceptible gram-positive organisms.. phenoxymethylpenicillin : A penicillin compound having a 6beta-(phenoxyacetyl)amino side-chain. | 2.9 | 4 | 0 | penicillin allergen; penicillin | |
isosorbide dinitrate Isosorbide Dinitrate: A vasodilator used in the treatment of ANGINA PECTORIS. Its actions are similar to NITROGLYCERIN but with a slower onset of action. | 2.45 | 2 | 0 | glucitol derivative; nitrate ester | nitric oxide donor; vasodilator agent |
pseudoephedrine Pseudoephedrine: A phenethylamine that is an isomer of EPHEDRINE which has less central nervous system effects and usage is mainly for respiratory tract decongestion.. pseudoephedrine : A member of the class of the class of phenylethanolamines that is (1S)-2-(methylamino)-1-phenylethan-1-ol in which the pro-S hydrogen at position 2 is replaced by a methyl group. | 2.74 | 3 | 0 | phenylethanolamines; secondary alcohol; secondary amino compound | anti-asthmatic drug; bronchodilator agent; central nervous system drug; nasal decongestant; plant metabolite; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
quinoline [no description available] | 7.36 | 2 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinolines | |
tolonium chloride Tolonium Chloride: A phenothiazine that has been used as a hemostatic, a biological stain, and a dye for wool and silk. Tolonium chloride has also been used as a diagnostic aid for oral and gastric neoplasms and in the identification of the parathyroid gland in thyroid surgery.. tolonium chloride : An organic chloride salt having 3-amino-7-(dimethylamino)-2-methylphenothiazin-5-ium (tolonium) as the counterion. It is a blue nuclear counterstain that can be used to demonstrate Nissl substance and is also useful for staining mast cell granules, both in metachromatic and orthochromatic techniques. | 3.18 | 1 | 0 | | |
xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 1.94 | 1 | 0 | xanthene | |
fenoprop fenoprop: RN given is for parent cpd; structure | 2.04 | 1 | 0 | monocarboxylic acid | phenoxy herbicide |
synephrine [no description available] | 2.05 | 1 | 0 | ethanolamines; phenethylamine alkaloid; phenols | alpha-adrenergic agonist; plant metabolite |
propylparaben Parabens: Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872) | 3.07 | 5 | 0 | benzoate ester; paraben; phenols | antifungal agent; antimicrobial agent |
benzoyl peroxide Benzoyl Peroxide: A peroxide derivative that has been used topically for BURNS and as a dermatologic agent in the treatment of ACNE and POISON IVY DERMATITIS. It is used also as a bleach in the food industry. | 2.41 | 2 | 0 | carbonyl compound | |
2-methyl-4-chlorophenoxyacetic acid 2-Methyl-4-chlorophenoxyacetic Acid: A powerful herbicide used as a selective weed killer.. (4-chloro-2-methylphenoxy)acetic acid : A chlorophenoxyacetic acid that is (4-chlorophenoxy)acetic acid substituted by a methyl group at position 2. | 2.04 | 1 | 0 | chlorophenoxyacetic acid; monochlorobenzenes | environmental contaminant; phenoxy herbicide; synthetic auxin |
arsanilic acid Arsanilic Acid: An arsenical which has been used as a feed additive for enteric conditions in pigs and poultry. It causes blindness and is ototoxic and nephrotoxic in animals. | 2.62 | 3 | 0 | organoarsonic acid | |
dicloran 2,6-dichloro-4-nitroaniline : A nitroaniline that is 4-nitroaniline in which the hydrogens at positions 2 and 6 are replaced by chlorines. An agricultural fungicide, it is not approved for use in the European Union. | 2.04 | 1 | 0 | aromatic fungicide; dichlorobenzene; nitroaniline | antifungal agrochemical |
methylparaben methylparaben: used as a preservative in cosmetics but potentiates UV-induced damage of skin; RN given refers to parent cpd. methylparaben : A 4-hydroxybenzoate ester resulting from the formal condensation of the carboxy group of 4-hydroxybenzoic acid with methanol. It is the most frequently used antimicrobial preservative in cosmetics. It occurs naturally in several fruits, particularly in blueberries. | 2.04 | 1 | 0 | paraben | antifungal agent; antimicrobial food preservative; neuroprotective agent; plant metabolite |
4-cymene 4-cymene: structure. p-cymene : A monoterpene that is toluene substituted by an isopropyl group at position 4. | 2.13 | 1 | 0 | monoterpene; toluenes | human urinary metabolite; plant metabolite; volatile oil component |
phenylhydrazine [no description available] | 2.04 | 1 | 0 | phenylhydrazines | xenobiotic |
dyrene dyrene: structure. anilazine : A member of the class of triazenes that is dichlorotriazene in which the hydrogen is replaced by an o-chloroanilino group. A fungicide formerly used to control leaf spots and downy mildew, it is no longer approved for use within the European Union. | 2.04 | 1 | 0 | monochlorobenzenes; organochlorine pesticide; secondary amino compound; triazines | antifungal agrochemical |
boric acid [no description available] | 3.46 | 1 | 1 | boric acids | astringent |
acrolein [no description available] | 2.04 | 1 | 0 | enal | herbicide; human xenobiotic metabolite; toxin |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 3.16 | 1 | 0 | pyrrole; secondary amine | |
furan furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 2.05 | 1 | 0 | furans; mancude organic heteromonocyclic parent; monocyclic heteroarene | carcinogenic agent; hepatotoxic agent; Maillard reaction product |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.63 | 3 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
2,5-hexanedione 2,5-hexanedione: metabolite of methyl-n-butyl ketone. 2,5-hexanedione : A diketone that is hexane substituted by oxo groups at positions 2 and 5. It is a toxic metabolite of hexane and of 2-hexanone | 6.96 | 1 | 0 | diketone; methyl ketone | human xenobiotic metabolite; neurotoxin |
tetraethylenepentamine [no description available] | 2.04 | 1 | 0 | polyazaalkane | copper chelator |
ergotamine Ergotamine: A vasoconstrictor found in ergot of Central Europe. It is a serotonin agonist that has been used as an oxytocic agent and in the treatment of MIGRAINE DISORDERS.. ergotamine : A peptide ergot alkaloid that is dihydroergotamine in which a double bond replaces the single bond between positions 9 and 10. | 2.45 | 2 | 0 | peptide ergot alkaloid | alpha-adrenergic agonist; mycotoxin; non-narcotic analgesic; oxytocic; serotonergic agonist; vasoconstrictor agent |
estradiol dipropionate estradiol dipropionate: RN given refers to (17beta)-isomer; RN for cpd without isomeric designation not in Chemline 7/83 | 2.04 | 1 | 0 | steroid ester | |
neostigmine bromide neostigmine bromide : The bromide salt of neostigmine. | 2.05 | 1 | 0 | bromide salt | |
phenformin Phenformin: A biguanide hypoglycemic agent with actions and uses similar to those of METFORMIN. Although it is generally considered to be associated with an unacceptably high incidence of lactic acidosis, often fatal, it is still available in some countries. (From Martindale, The Extra Pharmacopoeia, 30th ed, p290). phenformin : A member of the class of biguanides that is biguanide in which one of the terminal nitrogen atoms is substituted by a 2-phenylethyl group. It was used as an anti-diabetic drug but was later withdrawn from the market due to potential risk of lactic acidosis. | 3.09 | 5 | 0 | biguanides | antineoplastic agent; geroprotector; hypoglycemic agent |
oxyphenisatin acetate Oxyphenisatin Acetate: A laxative that undergoes enterohepatic circulation. It may cause jaundice. | 1.95 | 1 | 0 | benzoate ester; phenols | |
mephobarbital Mephobarbital: A barbiturate that is metabolized to PHENOBARBITAL. It has been used for similar purposes, especially in EPILEPSY, but there is no evidence mephobarbital offers any advantage over PHENOBARBITAL.. mephobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at N-1 by a methyl group and at C-5 by ethyl and phenyl groups. | 2.05 | 1 | 0 | barbiturates | anticonvulsant |
paramethadione paramethadione: structure | 2.04 | 1 | 0 | oxazolidinone | anticonvulsant |
hexachlorobenzene Hexachlorobenzene: An agricultural fungicide and seed treatment agent.. hexachlorobenzene : A member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. | 2.05 | 1 | 0 | aromatic fungicide; chlorobenzenes | antifungal agrochemical; carcinogenic agent; persistent organic pollutant |
chloranil Chloranil: A quinone fungicide used for treatment of seeds and foliage.. tetrachloro-1,4-benzoquinone : A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines. | 2.04 | 1 | 0 | 1,4-benzoquinones; organochlorine compound | EC 2.7.1.33 (pantothenate kinase) inhibitor; metabolite |
trinitrotoluene Trinitrotoluene: A 2,4,6-trinitrotoluene, which is an explosive chemical that can cause skin irritation and other toxic consequences.. 2,4,6-trinitrotoluene : A trinitrotoluene having the nitro groups at positions 2, 4 and 6. | 2.05 | 1 | 0 | trinitrotoluene | explosive |
framycetin Framycetin: A component of NEOMYCIN that is produced by Streptomyces fradiae. On hydrolysis it yields neamine and neobiosamine B. (From Merck Index, 11th ed). framycetin : A tetracyclic antibacterial agent derived from neomycin, being a glycoside ester of neamine and neobiosamine B. | 7.67 | 31 | 6 | aminoglycoside | allergen; antibacterial drug; Escherichia coli metabolite |
benzethonium chloride benzethonium chloride : A (synthetic) quaternary ammonium salt that is benzyldimethylamine in which the nitrogen is quaternised by a 2-{2-[p-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy}ethyl group, with chloride as the counter-ion. An antiseptic and disinfectant, it is active against a broad spectrum of bacteria, fungi, moulds and viruses. | 3.25 | 1 | 0 | aromatic ether; chloride salt; quaternary ammonium salt | antibacterial agent; antifungal agent; antiseptic drug; antiviral agent; disinfectant |
carbarson Carbarson: sometimes used in treatment of intestinal amoebiasis; structure in first source | 2.62 | 3 | 0 | ureas | |
pyrazolanthrone pyrazolanthrone: JNK (c-Jun N-terminal kinase) inhibitor; structure in first source. anthra[1,9-cd]pyrazol-6(2H)-one : A member of the class of anthrapyrazoles that is anthra[1,9-cd]pyrazole substituted at position 6 by an oxo group. An inhibitor of c-Jun N-terminal kinase. | 2.05 | 1 | 0 | anthrapyrazole; aromatic ketone; cyclic ketone | antineoplastic agent; c-Jun N-terminal kinase inhibitor; geroprotector |
meglumine Meglumine: 1-Deoxy-1-(methylamino)-D-glucitol. A derivative of sorbitol in which the hydroxyl group in position 1 is replaced by a methylamino group. Often used in conjunction with iodinated organic compounds as contrast medium.. N-methylglucamine : A hexosamine that is D-glucitol in which the hydroxy group at position 1 is substituted by the nitrogen of a methylamino group. A crystalline base, it is used in preparing salts of certain acids for use as diagnostic radiopaque media, while its antimonate is used as an antiprotozoal in the treatment of leishmaniasis. | 2.05 | 1 | 0 | hexosamine; secondary amino compound | |
cinchophen cinchophen: was heading 1963-94; ACIPHENOCHINOLIUM was see CHINOPHEN 1978-94; use QUINOLINES to search CINCHOPHEN 1966-94 | 2.05 | 1 | 0 | quinolines | |
amiben Amiben: RN given refers to parent cpd | 2.04 | 1 | 0 | chlorobenzoic acid | |
monuron monuron: minor descriptor (72-83); on-line & Index Medicus search UREA/AA (72-74) & HERBICIDES (72-74) & HERBICIDES UREA (75-83); RN given refers to unlabeled cpd; structure. monuron : A member of the class of 3-(3,4-substituted-phenyl)-1,1-dimethylureas that is urea in which one of the nitrogens is substituted by a p-chlorophenyl group while the other is substituted by two methyl groups. | 2.04 | 1 | 0 | 3-(3,4-substituted-phenyl)-1,1-dimethylurea; monochlorobenzenes | environmental contaminant; herbicide; xenobiotic |
sterogenol hexadecylpyridinium bromide: structure in first source. cetylpyridinium bromide : A pyridinium salt that has N-hexadecylpyridinium as the cation and bromide as the anion. | 2.05 | 1 | 0 | bromide salt; pyridinium salt | antiseptic drug; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; surfactant |
iminodiacetic acid iminodiacetic acid: used as hepatobiliary imaging agent when labeled with Tc; RN given refers to parent cpd; structure. iminodiacetic acid : An amino dicarboxylic acid that is glycine in which one of the hydrogens attached to the nitrogen is substituted by a carboxymethyl group. | 2.04 | 1 | 0 | amino dicarboxylic acid; glycine derivative; non-proteinogenic alpha-amino acid | chelator |
anileridine anileridine: minor descriptor (64-86); on line & INDEX MEDICUS search ISONIPECOTIC ACIDS (68-86); RN given refers to parent cpd. anileridine : A piperidinecarboxylate ester that is the ethyl ester of isonipecotic acid in which the hydrogen alpha- to the carboxyl group is substituted by a phenyl group, and the hydrogen attached to the nitrogen is substituted by a 2-(4-aminophenyl)ethyl group. | 2.04 | 1 | 0 | ethyl ester; piperidinecarboxylate ester; substituted aniline | opioid analgesic; opioid receptor agonist |
yohimbine Yohimbine: A plant alkaloid with alpha-2-adrenergic blocking activity. Yohimbine has been used as a mydriatic and in the treatment of ERECTILE DYSFUNCTION.. yohimbine : An indole alkaloid with alpha2-adrenoceptor antagonist activity. It is produced by Corynanthe johimbe and Rauwolfia serpentina. | 2.05 | 1 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | alpha-adrenergic antagonist; dopamine receptor D2 antagonist; serotonergic antagonist |
ditiocarb Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.73 | 3 | 0 | dithiocarbamic acids | chelator; copper chelator |
mequinol mequinol: depigmenting agent; RN given refers to parent cpd | 2.05 | 1 | 0 | methoxybenzenes; phenols | metabolite |
quinestrol Quinestrol: The 3-cyclopentyl ether of ETHINYL ESTRADIOL. After gastrointestinal absorption, it is stored in ADIPOSE TISSUE, slowly released, and metabolized principally to the parent compound. It has been used in ESTROGEN REPLACEMENT THERAPY. (From AMA Drug Evaluations Annual, 1992, p1011) | 2.05 | 1 | 0 | 17-hydroxy steroid; terminal acetylenic compound | xenoestrogen |
sulfalene Sulfalene: Long-acting plasma-bound sulfonamide used for respiratory and urinary tract infections and also for malaria. | 2.38 | 2 | 0 | pyrazines; sulfonamide antibiotic; sulfonamide | |
cycloguanil cycloguanil: the active metabolite of proguanil; antifolate drug; structure in first source. cycloguanil : A triazine in which a 1,6-dihydro-1,3,5-triazine ring is substituted at N-1 by a 4-chlorophenyl group, at C-2 and -4 by amino groups and at C-6 by gem-dimethyl groups. A dihydrofolate reductase inhibitor, it is a metabolite of the antimalarial drug proguanil. | 2.05 | 1 | 0 | triazines | antifolate; antiinfective agent; antimalarial; antiparasitic agent; antiprotozoal drug; EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
dydrogesterone [no description available] | 2.05 | 1 | 0 | 20-oxo steroid; 3-oxo-Delta(4) steroid | progestin |
fluocortolone Fluocortolone: A glucocorticoid with anti-inflammatory activity used topically for various skin disorders. | 3.34 | 1 | 1 | 21-hydroxy steroid | |
catechin Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 3.01 | 1 | 0 | catechin | antioxidant; plant metabolite |
phenetidine Phenetidine: Used in the manufacture of acetophenetidin.. 4-ethoxyaniline : An aromatic ether that is aniline in which the hydrogen at position 4 is replaced by an ethoxy group. It is a hydrolysis metabolite of phenacetin. | 2.04 | 1 | 0 | aromatic ether; primary amino compound; substituted aniline | drug metabolite |
diazooxonorleucine Diazooxonorleucine: An amino acid that inhibits phosphate-activated glutaminase and interferes with glutamine metabolism. It is an antineoplastic antibiotic produced by an unidentified species of Streptomyces from Peruvian soil. (From Merck Index, 11th ed). 6-diazo-5-oxo-L-norleucine : A non-proteinogenic L-alpha-amino acid that is L-norleucine which is substituted at position 5 by an oxo group and at position 6 by a diazo group. It is as inhibitor of various glutamine-utilising enzymes. | 2.04 | 1 | 0 | amino acid zwitterion; diazo compound; ketone; non-proteinogenic L-alpha-amino acid | analgesic; antibacterial agent; antimetabolite; antineoplastic agent; antiviral agent; apoptosis inducer; bacterial metabolite; EC 2.4.2.14 (amidophosphoribosyltransferase) inhibitor; EC 3.5.1.2 (glutaminase) inhibitor; EC 6.3.4.2 [CTP synthase (glutamine hydrolyzing)] inhibitor; EC 6.3.5.1 [NAD(+) synthase (glutamine-hydrolysing)] inhibitor; EC 6.3.5.2 [GMP synthase (glutamine-hydrolysing)] inhibitor; EC 6.3.5.3 (phosphoribosylformylglycinamidine synthase) inhibitor; EC 6.3.5.4 [asparagine synthase (glutamine-hydrolysing)] inhibitor; EC 6.3.5.5 [carbamoyl-phosphate synthase (glutamine-hydrolysing)] inhibitor; glutamine antagonist |
acridines Acridines: Compounds that include the structure of acridine.. acridine : A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom. | 3.74 | 2 | 1 | acridines; mancude organic heterotricyclic parent; polycyclic heteroarene | genotoxin |
oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 1.94 | 1 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazoles [no description available] | 2.38 | 2 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
pyrazines Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 3.16 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
propantheline bromide [no description available] | 2.04 | 1 | 0 | xanthenes | |
ephedrine Ephedrine: A phenethylamine found in EPHEDRA SINICA. PSEUDOEPHEDRINE is an isomer. It is an alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used for asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists.. (-)-ephedrine : A phenethylamine alkaloid that is 2-phenylethanamine substituted by a methyl group at the amino nitrogen and a methyl and a hydroxy group at position 2 and 1 respectively. | 2.45 | 2 | 0 | phenethylamine alkaloid; phenylethanolamines | bacterial metabolite; environmental contaminant; nasal decongestant; plant metabolite; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
diiodotyrosine Diiodotyrosine: A product from the iodination of MONOIODOTYROSINE. In the biosynthesis of thyroid hormones, diiodotyrosine residues are coupled with other monoiodotyrosine or diiodotyrosine residues to form T4 or T3 thyroid hormones (THYROXINE and TRIIODOTHYRONINE).. diiodotyrosine : A dihalogenated L-tyrosine which has two iodo-substituents on the benzyl moiety.. 3,5-diiodo-L-tyrosine : A diiodotyrosine that is L-tyrosine carrying iodo-substituents at positions C-3 and C-5 of the benzyl group. It is an intermediate in the thyroid hormone synthesis. | 1.94 | 1 | 0 | diiodotyrosine; L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | human metabolite; mouse metabolite |
chlormadinone acetate Chlormadinone Acetate: An orally active synthetic progestational hormone used often in combinations as an oral contraceptive (CONTRACEPTIVES, ORAL). | 2.45 | 2 | 0 | corticosteroid hormone | |
methylpentynol carbamate [no description available] | 2.04 | 1 | 0 | | |
mechlorethamine n-oxide [no description available] | 2.04 | 1 | 0 | nitrogen mustard | |
norchlorcyclizine norchlorcyclizine: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
2,3-dimercaptosuccinic acid [no description available] | 2.05 | 1 | 0 | | |
evans blue Evans Blue: An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly.. Evans blue : An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence. | 2.78 | 3 | 0 | organic sodium salt | fluorochrome; histological dye; sodium channel blocker; teratogenic agent |
testosterone enanthate [no description available] | 2.05 | 1 | 0 | heptanoate ester; sterol ester | androgen |
opipramol Opipramol: A tricyclic antidepressant with actions similar to AMITRIPTYLINE. | 2.04 | 1 | 0 | dibenzoazepine | |
aminophylline Aminophylline: A drug combination that contains THEOPHYLLINE and ethylenediamine. It is more soluble in water than theophylline but has similar pharmacologic actions. It's most common use is in bronchial asthma, but it has been investigated for several other applications.. aminophylline : A mixture comprising of theophylline and ethylenediamine in a 2:1 ratio. | 2.47 | 2 | 0 | mixture | bronchodilator agent; cardiotonic drug |
azacitidine Azacitidine: A pyrimidine analogue that inhibits DNA methyltransferase, impairing DNA methylation. It is also an antimetabolite of cytidine, incorporated primarily into RNA. Azacytidine has been used as an antineoplastic agent.. 5-azacytidine : An N-glycosyl-1,3,5-triazine that is 4-amino-1,3,5-triazin-2(1H)-one substituted by a beta-D-ribofuranosyl residue via an N-glycosidic linkage. An antineoplastic agent, it is used in the treatment of myeloid leukaemia. | 2.45 | 2 | 0 | N-glycosyl-1,3,5-triazine; nucleoside analogue | antineoplastic agent |
phenyramidol phenyramidol: considered as a drug that possibly causes hepatotoxicity | 2.05 | 1 | 0 | aminopyridine | |
linuron Linuron: A selective pre- and post-emergence herbicide. (From Merck Index, 11th ed). linuron : A member of the class of phenylureas that is N-methyl urea substituted by a methoxy group at position 1 and a 3,4-dichlorophenyl group at position 3. | 2.04 | 1 | 0 | dichlorobenzene; phenylureas | agrochemical; environmental contaminant; herbicide; xenobiotic |
carbutamide Carbutamide: A sulfonylurea antidiabetic agent with similar actions and uses to CHLORPROPAMIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p277) | 2.74 | 3 | 0 | benzenes; sulfonamide | |
glymidine glymidine: was MH 1975-92 (see under SULFONAMIDES 1975-90); GLIDIAZINE & GLYCODIAZINE were see GLYMIDINE 1975-92; use SULFONAMIDES to search GLYMIDINE 1975-92; a sulfonamide hypoglycemic agent which stimulates insulin secretion. glymidine : A sulfonamide that is N-(pyrimidin-2-yl)benzenesulfonamide which is substituted at position 5 of the pyrimidine ring by a 2-methoxyethoxy group. It is a hypoglycemic drug used for the treatment of diabetes mellitus. | 2.04 | 1 | 0 | diether; pyrimidines; sulfonamide | hypoglycemic agent |
galantamine Galantamine: A benzazepine derived from norbelladine. It is found in GALANTHUS and other AMARYLLIDACEAE. It is a cholinesterase inhibitor that has been used to reverse the muscular effects of GALLAMINE TRIETHIODIDE and TUBOCURARINE and has been studied as a treatment for ALZHEIMER DISEASE and other central nervous system disorders.. galanthamine : A benzazepine alkaloid isolated from certain species of daffodils. | 2.08 | 1 | 0 | benzazepine alkaloid fundamental parent; benzazepine alkaloid; organic heterotetracyclic compound; tertiary amino compound | antidote to curare poisoning; cholinergic drug; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; plant metabolite |
nandrolone decanoate Nandrolone Decanoate: Decanoic acid ester of nandrolone that is used as an anabolic agent to prevent or treat WASTING SYNDROME associated with severe chronic illness or HIV infection (HIV WASTING SYNDROME). It may also be used in the treatment of POSTMENOPAUSAL OSTEOPOROSIS. | 2.05 | 1 | 0 | steroid ester | |
methysergide Methysergide: An ergot derivative that is a congener of LYSERGIC ACID DIETHYLAMIDE. It antagonizes the effects of serotonin in blood vessels and gastrointestinal smooth muscle, but has few of the properties of other ergot alkaloids. Methysergide is used prophylactically in migraine and other vascular headaches and to antagonize serotonin in the carcinoid syndrome.. methysergide : A synthetic ergot alkaloid, structurally related to the oxytocic agent methylergonovine and to the potent hallucinogen LSD and used prophylactically to reduce the frequency and intensity of severe vascular headaches. | 1.96 | 1 | 0 | ergoline alkaloid | |
bucladesine [no description available] | 2.05 | 1 | 0 | 3',5'-cyclic purine nucleotide; butanamides; butyrate ester | agonist; cardiotonic drug; vasodilator agent |
procarbazine hydrochloride procarbazine hydrochloride : A hydrochloride obtained by combining procarbazine with one equivalent of hydrochloric acid. An antineoplastic chemotherapy drug used for treatment of Hodgkin's lymphoma. Metabolism yields azo-procarbazine and hydrogen peroxide, which results in the breaking of DNA strands. | 2.08 | 1 | 0 | hydrochloride | antineoplastic agent |
N-[(2-chlorophenyl)methyl]-1-[4-[[(2-chlorophenyl)methylamino]methyl]cyclohexyl]methanamine [no description available] | 2.04 | 1 | 0 | aromatic amine | |
betamethasone Betamethasone: A glucocorticoid given orally, parenterally, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. Its lack of mineralocorticoid properties makes betamethasone particularly suitable for treating cerebral edema and congenital adrenal hyperplasia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p724) | 5.25 | 12 | 1 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | anti-asthmatic agent; anti-inflammatory drug; immunosuppressive agent |
prenylamine Prenylamine: A drug formerly used in the treatment of angina pectoris but superseded by less hazardous drugs. Prenylamine depletes myocardial catecholamine stores and has some calcium channel blocking activity. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1406) | 2.04 | 1 | 0 | diarylmethane | |
perflubron perflubron: potential anti-obesity compound; reduces food adsorption; 8-carbon perfluorocarbon radiopaque compound; an oral contrast agent for use with MRI to enhance delineation of the bowel distinguishing it from adjacent organs. perflubron : A haloalkane that is perfluorooctane in which a fluorine attached to one of the terminal carbons has been replaced by a bromine. | 2.05 | 1 | 0 | haloalkane; organobromine compound; perfluorinated compound | blood substitute; radioopaque medium |
cyproterone acetate [no description available] | 2.05 | 1 | 0 | 20-oxo steroid; 3-oxo-Delta(4) steroid; acetate ester; chlorinated steroid; steroid ester | androgen antagonist; geroprotector; progestin |
nandrolone Nandrolone: C18 steroid with androgenic and anabolic properties. It is generally prepared from alkyl ethers of ESTRADIOL to resemble TESTOSTERONE but less one carbon at the 19 position.. nandrolone : A 3-oxo Delta(4)-steroid that is estr-4-en-3-one substituted by a beta-hydroxy group at position 17. | 2.04 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; anabolic androgenic steroid | human metabolite |
thiazolidine-4-carboxylic acid thiazolidine-4-carboxylic acid: active against thimerosal intoxication; acts on cell membranes of tumor cells causing reverse transformation to normal cells; RN given refers to parent cpd | 2.04 | 1 | 0 | alpha-amino acid zwitterion; non-proteinogenic alpha-amino acid; sulfur-containing amino acid; thiazolidinemonocarboxylic acid | antidote; antioxidant; hepatoprotective agent |
hydantoins Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.04 | 1 | 0 | imidazolidine-2,4-dione | |
chlorphentermine Chlorphentermine: A sympathomimetic agent that was formerly used as an anorectic. It has properties similar to those of DEXTROAMPHETAMINE. It has been implicated in lipid storage disorders and pulmonary hypertension. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1223) | 2.04 | 1 | 0 | amphetamines | |
dextropropoxyphene Dextropropoxyphene: A narcotic analgesic structurally related to METHADONE. Only the dextro-isomer has an analgesic effect; the levo-isomer appears to exert an antitussive effect.. propoxyphene : A racemate of the (1R,2R)- and (1S,2R)- diastereoisomers.. dextropropoxyphene : The (1S,2R)-(+)-diastereoisomer of propoxyphene. | 2.74 | 3 | 0 | 1-benzyl-3-(dimethylamino)-2-methyl-1-phenylpropyl propanoate | mu-opioid receptor agonist; opioid analgesic |
glycyrrhetinic acid [no description available] | 2.05 | 1 | 0 | cyclic terpene ketone; hydroxy monocarboxylic acid; pentacyclic triterpenoid | immunomodulator; plant metabolite |
chenodeoxycholic acid Chenodeoxycholic Acid: A bile acid, usually conjugated with either glycine or taurine. It acts as a detergent to solubilize fats for intestinal absorption and is reabsorbed by the small intestine. It is used as cholagogue, a choleretic laxative, and to prevent or dissolve gallstones.. chenodeoxycholic acid : A dihydroxy-5beta-cholanic acid that is (5beta)-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 7 respectively.. chenodeoxycholate : Conjugate base of chenodeoxycholic acid; major species at pH 7.3. | 2.05 | 1 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
fusarium Fusarium: A mitosporic Hypocreales fungal genus, various species of which are important parasitic pathogens of plants and a variety of vertebrates. Teleomorphs include GIBBERELLA. | 7.39 | 2 | 0 | | |
lucanthone Lucanthone: One of the SCHISTOSOMICIDES, it has been replaced largely by HYCANTHONE and more recently PRAZIQUANTEL. (From Martindale The Extrapharmacopoeia, 30th ed., p46). lucanthone : A thioxanthen-9-one compound having a methyl substituent at the 1-position and a 2-[(diethylamino)ethyl]amino substituent at the 4-position. Formerly used for the treatment of schistosomiasis. It is a prodrug, being metabolised to hycanthone. | 2.04 | 1 | 0 | thioxanthenes | adjuvant; antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; mutagen; photosensitizing agent; prodrug; schistosomicide drug |
dichloralantipyrine dichloralantipyrine: 1:2 compound of antipyrine with chloral hydrate | 2.04 | 1 | 0 | | |
plumbagin plumbagin: a superoxide anion generator. plumbagin : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 2 and 5 are substituted by methyl and hydroxy groups, respectively. | 2.04 | 1 | 0 | hydroxy-1,4-naphthoquinone; phenols | anticoagulant; antineoplastic agent; immunological adjuvant; metabolite |
emetine Emetine: The principal alkaloid of ipecac, from the ground roots of Uragoga (or Cephaelis) ipecacuanha or U. acuminata, of the Rubiaceae. It is used as an amebicide in many different preparations and may cause serious cardiac, hepatic, or renal damage and violent diarrhea and vomiting. Emetine inhibits protein synthesis in EUKARYOTIC CELLS but not PROKARYOTIC CELLS.. emetine : A pyridoisoquinoline comprising emetam having methoxy substituents at the 6'-, 7'-, 10- and 11-positions. It is an antiprotozoal agent and emetic. It inhibits SARS-CoV2, Zika and Ebola virus replication and displays antimalarial, antineoplastic and antiamoebic properties. | 3.75 | 11 | 0 | isoquinoline alkaloid; pyridoisoquinoline | antiamoebic agent; anticoronaviral agent; antiinfective agent; antimalarial; antineoplastic agent; antiprotozoal drug; antiviral agent; autophagy inhibitor; emetic; expectorant; plant metabolite; protein synthesis inhibitor |
dihydralazine Dihydralazine: 1,4-Dihydrazinophthalazine. An antihypertensive agent with actions and uses similar to those of HYDRALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p354) | 2.45 | 2 | 0 | phthalazines | |
pamaquine pamaquine: structure; RN given refers to parent cpd | 2.04 | 1 | 0 | aminoquinoline | |
phenylpropanolamine Phenylpropanolamine: A sympathomimetic that acts mainly by causing release of NOREPINEPHRINE but also has direct agonist activity at some adrenergic receptors. It is most commonly used as a nasal vasoconstrictor and an appetite depressant.. phenylpropanolamine : An amphetamine in which the parent 1-phenylpropan-2-amine skeleton is substituted at position 1 with an hydroxy group. A decongestant and appetite suppressant, it is commonly used in prescription and over-the-counter cough and cold preparations.. (-)-norephedrine : An amphetamine that is propylbenzene substituted by a hydroxy group at position 1 and by an amino group at position 2 (the 1R,2S-stereoisomer). It is a plant alkaloid. | 2.05 | 1 | 0 | amphetamines; phenethylamine alkaloid | plant metabolite |
benzohydroxamic acid [no description available] | 2.05 | 1 | 0 | | |
salicylaldehyde isonicotinoyl hydrazone salicylaldehyde isonicotinoyl hydrazone: structure in first source | 2.17 | 1 | 0 | | |
dipicolinic acid dipicolinic acid : A pyridinedicarboxylic acid carrying two carboxy groups at positions 2 and 6. | 2.15 | 1 | 0 | pyridinedicarboxylic acid | bacterial metabolite |
alpha-aminopyridine alpha-aminopyridine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #485. aminopyridine : Compounds containing a pyridine skeleton substituted by one or more amine groups. | 2.21 | 1 | 0 | | |
mustard gas Mustard Gas: Severe irritant and vesicant of skin, eyes, and lungs. It may cause blindness and lethal lung edema and was formerly used as a war gas. The substance has been proposed as a cytostatic and for treatment of psoriasis. It has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP-85-002, 1985) (Merck, 11th ed).. bis(2-chloroethyl) sulfide : An ethyl sulfide that is diethyl sulfide in which a hydrogen from each of the terminal methyl groups is replaced by a chlorine. It is a powerful vesicant regulated under the Chemical Weapons Convention. | 2.04 | 1 | 0 | ethyl sulfide; organochlorine compound | alkylating agent; carcinogenic agent; vesicant |
dihydroergotamine Dihydroergotamine: A 9,10alpha-dihydro derivative of ERGOTAMINE. It is used as a vasoconstrictor, specifically for the therapy of MIGRAINE DISORDERS.. dihydroergotamine : Ergotamine in which a single bond replaces the double bond between positions 9 and 10. A semisynthetic ergot alkaloid with weaker oxytocic and vasoconstrictor properties than ergotamine, it is used (as the methanesulfonic or tartaric acid salts) for the treatment of migraine and orthostatic hypotension. | 2.05 | 1 | 0 | ergot alkaloid; semisynthetic derivative | dopamine agonist; non-narcotic analgesic; serotonergic agonist; sympatholytic agent; vasoconstrictor agent |
methallenestril methallenestril: RN given refers to parent cpd | 2.04 | 1 | 0 | naphthalenes | |
podophyllotoxin Podophyllum: A genus of poisonous American herbs, family BERBERIDACEAE. The roots yield PODOPHYLLOTOXIN and other pharmacologically important agents. The plant was formerly used as a cholagogue and cathartic. It is different from the European mandrake, MANDRAGORA. | 2.05 | 1 | 0 | furonaphthodioxole; lignan; organic heterotetracyclic compound | antimitotic; antineoplastic agent; keratolytic drug; microtubule-destabilising agent; plant metabolite; tubulin modulator |
hesperidin Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.45 | 2 | 0 | 3'-hydroxyflavanones; 4'-methoxyflavanones; dihydroxyflavanone; disaccharide derivative; flavanone glycoside; monomethoxyflavanone; rutinoside | mutagen |
medroxyprogesterone [no description available] | 2.45 | 2 | 0 | 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(4) steroid; tertiary alpha-hydroxy ketone | contraceptive drug; progestin; synthetic oral contraceptive |
androstenediol Androstenediol: An intermediate in TESTOSTERONE biosynthesis, found in the TESTIS or the ADRENAL GLANDS. Androstenediol, derived from DEHYDROEPIANDROSTERONE by the reduction of the 17-keto group (17-HYDROXYSTEROID DEHYDROGENASES), is converted to TESTOSTERONE by the oxidation of the 3-beta hydroxyl group to a 3-keto group (3-HYDROXYSTEROID DEHYDROGENASES).. androst-5-ene-3beta,17beta-diol : A 3beta-hydroxy-Delta(5)-steroid that is 3beta-hydroxyandrost-5-ene carrying an additional hydroxy group at position 17beta. | 2.04 | 1 | 0 | 17beta-hydroxy steroid; 3beta-hydroxy-Delta(5)-steroid | androgen; human metabolite; mouse metabolite; radiation protective agent |
dimenhydrinate gravinol: has antioxidant and ant-inflammatory activities; structure in first source | 2.08 | 1 | 0 | diarylmethane | |
gluconic acid gluconic acid: zinc gluconate has anti-inflammatory activity; RN given refers to (D)-isomer; all RRs refers to (D)-isomer unless otherwise noted. ketogluconic acid : A gluconic acid that contains a ketonic carbonyl group.. D-gluconic acid : A gluconic acid having D-configuration. | 6.96 | 1 | 0 | gluconic acid | chelator; Penicillium metabolite |
copper gluconate Gluconates: Derivatives of gluconic acid (the structural formula HOCH2(CHOH)4COOH), including its salts and esters. | 1.96 | 1 | 0 | organic molecular entity | |
apronalide apronalide: structure | 2.04 | 1 | 0 | N-acylurea | |
chlormethiazole Chlormethiazole: A sedative and anticonvulsant often used in the treatment of alcohol withdrawal. Chlormethiazole has also been proposed as a neuroprotective agent. The mechanism of its therapeutic activity is not entirely clear, but it does potentiate GAMMA-AMINOBUTYRIC ACID receptors response and it may also affect glycine receptors. | 2.05 | 1 | 0 | thiazoles | |
tropolone Tropolone: A seven-membered aromatic ring compound. It is structurally related to a number of naturally occurring antifungal compounds (ANTIFUNGAL AGENTS).. tropolone : A cyclic ketone that is cyclohepta-2,4,6-trien-1-one substituted by a hydroxy group at position 2. It is a toxin produced by the agricultural pathogen Burkholderia plantarii. | 2.25 | 1 | 0 | alpha-hydroxy ketone; cyclic ketone; enol | bacterial metabolite; fungicide; toxin |
4,6-dinitro-o-cresol 4,6-dinitro-o-cresol: RN given refers to parent cpd; structure. 4,6-dinitro-o-cresol : A hydroxytoluene that is o-cresol carrying nitro substituents at positions 4 and 6. | 2.04 | 1 | 0 | dinitrophenol acaricide; hydroxytoluene; nitrotoluene | dinitrophenol insecticide; fungicide; herbicide |
methamphetamine Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. | 2.05 | 1 | 0 | amphetamines; secondary amine | central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic |
uranyl acetate uranyl acetate: used after fixation in uranaffin procedure; RN given refers to parent cpd | 6.97 | 1 | 0 | | |
levocarnitine (R)-carnitine : The (R)-enantiomer of carnitine. | 2.04 | 1 | 0 | carnitine | antilipemic drug; nootropic agent; nutraceutical; Saccharomyces cerevisiae metabolite; water-soluble vitamin (role) |
decamethonium dibromide [no description available] | 2.04 | 1 | 0 | | |
malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.02 | 1 | 0 | dialdehyde | biomarker |
8-hydroxy-7-iodo-5-quinolinesulfonic acid 8-hydroxy-7-iodo-5-quinolinesulfonic acid: used with iodine isotopes in radioisotope scanning; structure | 1.95 | 1 | 0 | hydroxyquinoline | |
gentian violet Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.. crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. | 3.99 | 4 | 0 | organic chloride salt | anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; histological dye |
thiphenamil thiphenamil: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | diarylmethane | |
1-naphthylisothiocyanate 1-Naphthylisothiocyanate: A tool for the study of liver damage which causes bile stasis and hyperbilirubinemia acutely and bile duct hyperplasia and biliary cirrhosis chronically, with changes in hepatocyte function. It may cause skin and kidney damage. | 2.08 | 1 | 0 | isothiocyanate | insecticide |
hematoporphyrin Hematoporphyrins: Iron-free derivatives of heme with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. Some of these PHOTOSENSITIZING AGENTS are used in the PHOTOTHERAPY of malignant NEOPLASMS.. hematoporphyrin : A dicarboxylic acid that is protoporphyrin in which the vinyl groups at positions 7 and 12 are replaced by 1-hydroxyethyl groups. | 2.05 | 1 | 0 | | |
metahexamide metahexamide: major descriptor (64-83); on-line search SULFONYLUREA COMPOUNDS (64-83); Index Medicus search METAHEXAMIDE (64-83); RN given refers to parent cpd; structure | 2.44 | 2 | 0 | benzenes; sulfonamide | |
phenindamine phenindamine: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | indene | |
congo red Congo Red: An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.. Congo Red : An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. | 2.04 | 1 | 0 | bis(azo) compound | |
lactulose [no description available] | 2.05 | 1 | 0 | glycosylfructose | gastrointestinal drug; laxative |
methyl n-butyl ketone Methyl n-Butyl Ketone: An industrial solvent which causes nervous system degeneration. MBK is an acronym often used to refer to it.. hexanone : A ketone that is a hexane carrying an oxo substituent at unspecified position. | 1.95 | 1 | 0 | ketone | |
megestrol acetate [no description available] | 2.97 | 4 | 0 | 20-oxo steroid; 3-oxo-Delta(4) steroid; acetate ester; steroid ester | antineoplastic agent; appetite enhancer; contraceptive drug; progestin; synthetic oral contraceptive |
2-amino-2-methyl-1-propanol 2-amino-2-methyl-1-propanol: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
toyocamycin Toyocamycin: 4-Amino-5-cyano-7-(D-ribofuranosyl)-7H- pyrrolo(2,3-d)pyrimidine. Antibiotic antimetabolite isolated from Streptomyces toyocaensis cultures. It is an analog of adenosine, blocks RNA synthesis and ribosome function, and is used mainly as a tool in biochemistry.. toyocamycin : An N-glycosylpyrrolopyrimidine that is tubercidin in which the hydrogen at position 5 of the pyrrolopyrimidine moiety has been replaced by a cyano group. | 2.04 | 1 | 0 | antibiotic antifungal agent; N-glycosylpyrrolopyrimidine; nitrile; ribonucleoside | antimetabolite; antineoplastic agent; apoptosis inducer; bacterial metabolite |
2,4,6-triiodophenol [no description available] | 2.31 | 1 | 0 | | |
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.76 | 3 | 0 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
phendimetrazine phendimetrazine: minor descriptor (66-86); file maintained to MORPHOLINES (66-86); on-line & INDEX MEDICUS search MORPHOLINES (66-86); RN given refers to parent cpd without isomeric designation | 2.04 | 1 | 0 | | |
trimetozine [no description available] | 2.04 | 1 | 0 | morpholines | |
erythromycin stearate [no description available] | 2.05 | 1 | 0 | aminoglycoside | |
erythromycin Erythromycin: A bacteriostatic antibiotic macrolide produced by Streptomyces erythreus. Erythromycin A is considered its major active component. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins.. erythromycin : Any of several wide-spectrum macrolide antibiotics obtained from actinomycete Saccharopolyspora erythraea (formerly known as Streptomyces erythraeus).. erythromycin A : An erythromycin that consists of erythronolide A having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. | 4.77 | 10 | 0 | cyclic ketone; erythromycin | |
butaperazine butaperazine: was heading 1964-94 (Prov 1964-73); use PHENOTHIAZINES to search BUTAPERAZINE 1966-94 | 2.04 | 1 | 0 | phenothiazines | |
hadacidin hadacidin: inhibitor of AMP synthesis; RN given refers to parent cpd; structure. hadacidin : A monocarboxylic acid that is N-hydroxyglycine in which the hydrogen attached to the nitrogen is replaced by a formyl group. It was originally isolated from cultures of Penicillium frequentans. | 2.04 | 1 | 0 | aldehyde; monocarboxylic acid; N-hydroxy-alpha-amino-acid | antimicrobial agent; antineoplastic agent; Penicillium metabolite; teratogenic agent |
hydroxychloroquine sulfate [no description available] | 2.08 | 1 | 0 | | |
4-cyanophenol 4-cyanophenol: reversible monoamine oxidase inhibitor | 2.04 | 1 | 0 | phenols | EC 1.4.3.4 (monoamine oxidase) inhibitor |
carbophenothion carbophenothion: structure | 2.04 | 1 | 0 | organic sulfide | |
levonorgestrel Levonorgestrel: A synthetic progestational hormone with actions similar to those of PROGESTERONE and about twice as potent as its racemic or (+-)-isomer (NORGESTREL). It is used for contraception, control of menstrual disorders, and treatment of endometriosis. | 2.08 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; terminal acetylenic compound | contraceptive drug; female contraceptive drug; progestin; synthetic oral contraceptive |
porfiromycin Porfiromycin: Toxic antibiotic of the mitomycin group, obtained from MITOMYCIN and also from Streptomyces ardus and other species. It is proposed as an antineoplastic agent, with some antibiotic properties. | 2.04 | 1 | 0 | | |
8-hydroxy-2-methylquinoline 8-hydroxy-2-methylquinoline: structure in first source | 2.1 | 1 | 0 | hydroxyquinoline | |
vinblastine [no description available] | 2.74 | 3 | 0 | | |
diphenoxylate Diphenoxylate: A MEPERIDINE congener used as an antidiarrheal, usually in combination with ATROPINE. At high doses, it acts like morphine. Its unesterified metabolite difenoxin has similar properties and is used similarly. It has little or no analgesic activity.. diphenoxylate : A piperidinecarboxylate ester that is the ethyl ester of difenoxin. | 3.33 | 1 | 1 | ethyl ester; nitrile; piperidinecarboxylate ester; tertiary amine | antidiarrhoeal drug |
deoxyuridine [no description available] | 2.04 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
azure a Azure A: RN given refers to chloride. azure A : An organic chloride salt having 3-amino-7-(dimethylamino)phenothiazin-5-ium as the counterion. It is used in making azure eosin stains for blood smear staining. | 3.18 | 1 | 0 | | |
oxolamine oxolamine: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | oxadiazole; ring assembly | |
ethylestrenol Ethylestrenol: An anabolic steroid with some progestational activity and little androgenic effect.. ethylestrenol : A 17beta-hydroxy steroid that is estrane containing a double bond between positions 4 and 5 and substituted by an ethyl group and a hydroxy group at the 17alpha and 17beta positions, respectively. It is an anabolic steroid that has little androgenic effect and only slight progestational activity. It has been used to promote growth in boys with delayed bone growth. | 2.04 | 1 | 0 | 17beta-hydroxy steroid; tertiary alcohol | anabolic agent |
testolactone Testolactone: An antineoplastic agent that is a derivative of progesterone and used to treat advanced breast cancer. | 2.04 | 1 | 0 | 3-oxo-Delta(1),Delta(4)-steroid; seco-androstane | |
estradiol valerate [no description available] | 2.05 | 1 | 0 | steroid ester | |
ethambutol hydrochloride ethambutol dihydrochloride : The dihydrchloride salt of ethambutol. A bacteriostatic antimycobacterial drug, it is effective against Mycobacterium tuberculosis and some other mycobacteria. It is used in combination with other antituberculous drugs in the treatment of pulmonary and extrapulmonary tuberculosis; resistant strains of M. tuberculosis are readily produced if ethambutol dihydrochloride is used alone. | 2.08 | 1 | 0 | hydrochloride | antitubercular agent |
ethambutol Ethambutol: An antitubercular agent that inhibits the transfer of mycolic acids into the cell wall of the tubercle bacillus. It may also inhibit the synthesis of spermidine in mycobacteria. The action is usually bactericidal, and the drug can penetrate human cell membranes to exert its lethal effect. (From Smith and Reynard, Textbook of Pharmacology, 1992, p863). ethambutol : An ethylenediamine derivative that is ethane-1,2-diamine in which one hydrogen attached to each of the nitrogens is sutstituted by a 1-hydroxybutan-2-yl group (S,S-configuration). It is a bacteriostatic antimycobacterial drug, effective against Mycobacterium tuberculosis and some other mycobacteria. It is used (as the dihydrochloride salt) in combination with other antituberculous drugs in the treatment of pulmonary and extrapulmonary tuberculosis; resistant strains of M. tuberculosis are readily produced if ethambutol is used alone. | 8.98 | 4 | 0 | ethanolamines; ethylenediamine derivative | antitubercular agent; environmental contaminant; xenobiotic |
pyrithioxin Pyrithioxin: A neurotropic agent which reduces permeability of blood-brain barrier to phosphate. It has no vitamin B6 activity. | 2.04 | 1 | 0 | methylpyridines | |
dehydroepiandrosterone acetate 3beta-acetoxyandrost-5-en-17-one: structure in first source | 2.04 | 1 | 0 | steroid ester | |
zinc oxide Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. | 7.36 | 2 | 0 | zinc molecular entity | |
antimycin a [no description available] | 2.08 | 1 | 0 | benzamides; formamides; macrodiolide; phenols | antifungal agent; mitochondrial respiratory-chain inhibitor; piscicide |
vancomycin Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile. | 2.05 | 1 | 0 | glycopeptide | antibacterial drug; antimicrobial agent; bacterial metabolite |
nsc 65346 sangivamycin: RN given refers to parent cpd. sangivamycin : A nucleoside analogue that is adenosine in which the nitrogen at position 7 is replaced by a carbamoyl-substituted carbon. It is a potent inhibitor of protein kinase C. | 2.04 | 1 | 0 | nucleoside analogue | protein kinase inhibitor |
d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 3.08 | 5 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
pregnenolone carbonitrile Pregnenolone Carbonitrile: A catatoxic steroid and microsomal enzyme inducer having significant effects on the induction of cytochrome P450. It has also demonstrated the potential for protective capability against acetaminophen-induced liver damage. | 2.08 | 1 | 0 | aliphatic nitrile | |
guanazole Guanazole: A cytostatic triazole derivative which is not to be confused with guanazolo, the generic name for 8-azaguanine.. guanazole : An aromatic amine that is 1,2,4-triazole substituted at positions 3 and 5 by amino groups. | 2.04 | 1 | 0 | aromatic amine; triazoles | antineoplastic agent; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor |
flurandrenolone Flurandrenolone: A corticosteroid used topically in the treatment of various skin disorders. It is usually employed as a cream or an ointment, and is also used as a polyethylene tape with an adhesive. (From Martindale, The Extra Pharmacopoeia, 30th ed, p733) | 4.8 | 4 | 2 | 21-hydroxy steroid | |
metylperon metylperon: RN given refers to parent cpd | 2.08 | 1 | 0 | aromatic ketone | |
meturedepa meturedepa: structure in Merck Index, 9th ed, #6031 | 2.04 | 1 | 0 | phosphoramide | |
metaxalone [no description available] | 2.04 | 1 | 0 | aromatic ether | |
ioxynil ioxynil: RN given refers to parent cpd; structure. ioxynil : A nitrile that is benzonitrile substituted by a hydroxy group at position 4 and iodo groups at positions 3 and 5. | 2.04 | 1 | 0 | iodophenol; nitrile | environmental contaminant; herbicide; xenobiotic |
bromoxynil bromoxynil: RN given refers to parent cpd; structure. 3,5-dibromo-4-hydroxybenzonitrile : A dibromobenzene that is 2,6-dibromophenol substituted by a cyano group at position 4. | 2.04 | 1 | 0 | dibromobenzene; hydroxynitrile; phenols | environmental contaminant; herbicide; xenobiotic |
spectinomycin Spectinomycin: An antibiotic produced by Streptomyces spectabilis. It is active against gram-negative bacteria and used for the treatment of GONORRHEA.. spectinomycin dihydrochloride : A hydrochloride obtained by combining spectinomycin with two molar equivalents of hydrochloric acid. An antibiotic that is active against gram-negative bacteria and used (as its pentahydrate) to treat gonorrhea.. spectinomycin : A pyranobenzodioxin and antibiotic that is active against gram-negative bacteria and used (as its dihydrochloride pentahydrate) to treat gonorrhea. It is produced by the bacterium Streptomyces spectabilis. | 2.04 | 1 | 0 | cyclic acetal; cyclic hemiketal; cyclic ketone; pyranobenzodioxin; secondary alcohol; secondary amino compound | antibacterial drug; antimicrobial agent; bacterial metabolite |
paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.04 | 1 | 0 | organic cation | geroprotector; herbicide |
picloram Picloram: A picolinic acid derivative that is used as a herbicide.. picloram : A pyridinemonocarboxylic acid that is pyridine-2-carboxylic acid which is substituted by a chloro group at positions 3,5 and 6, and by an amino group at position 4. It is a systemic herbicide used to control deeply rooted herbaceous weeds and woody plants in rights-of-way, forestry, range lands, pastures, and small grain crops. | 2.04 | 1 | 0 | aminopyridine; chloropyridine; organochlorine pesticide; pyridinemonocarboxylic acid | herbicide; synthetic auxin |
ethoglucid Ethoglucid: Alkylating antineoplastic agent used especially in bladder neoplasms. It is toxic to hair follicles, gastro-intestinal tract, and vasculature. | 2.04 | 1 | 0 | epoxide | |
dronabinol Dronabinol: A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer delta-9-tetrahydrocannabinol (THC) is considered the most active form, producing characteristic mood and perceptual changes associated with this compound.. Delta(9)-tetrahydrocannabinol : A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. The principal psychoactive constituent of the cannabis plant, it is used for treatment of anorexia associated with AIDS as well as nausea and vomiting associated with cancer chemotherapy. | 2.05 | 1 | 0 | benzochromene; diterpenoid; phytocannabinoid; polyketide | cannabinoid receptor agonist; epitope; hallucinogen; metabolite; non-narcotic analgesic |
amiloride Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705). amiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid. | 2.05 | 1 | 0 | aromatic amine; guanidines; organochlorine compound; pyrazines | diuretic; sodium channel blocker |
clothiapine clothiapine: was heading 1975-94 (was see under DIBENZOTHIAZEPINES 1975-90); CLOTIAPINE was see CLOTHIAPINE 1978-94; use DIBENZOTHIAZEPINES to search CLOTHIAPINE 1975-94; antipsychotic similar to clozapine | 2.04 | 1 | 0 | dibenzothiazepine | |
pimozide Pimozide: A diphenylbutylpiperidine that is effective as an antipsychotic agent and as an alternative to HALOPERIDOL for the suppression of vocal and motor tics in patients with Tourette syndrome. Although the precise mechanism of action is unknown, blockade of postsynaptic dopamine receptors has been postulated. (From AMA Drug Evaluations Annual, 1994, p403). pimozide : A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one in which one of the nitrogens is substituted by a piperidin-4-yl group, which in turn is substituted on the nitrogen by a 4,4-bis(p-fluorophenyl)butyl group. | 2.05 | 1 | 0 | benzimidazoles; heteroarylpiperidine; organofluorine compound | antidyskinesia agent; dopaminergic antagonist; first generation antipsychotic; H1-receptor antagonist; serotonergic antagonist |
flumethasone Flumethasone: An anti-inflammatory glucocorticoid used in veterinary practice. | 9.11 | 38 | 7 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | anti-inflammatory drug |
betamethasone valerate Betamethasone Valerate: The 17-valerate derivative of BETAMETHASONE. It has substantial topical anti-inflammatory activity and relatively low systemic anti-inflammatory activity.. betamethasone valerate : A steroid ester that is betamethasone in which the hydroxy group at the 17alpha position has been converted to the corresponding pentanoate ester. | 5.92 | 7 | 4 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; primary alpha-hydroxy ketone; steroid ester | anti-inflammatory drug |
azaribine azaribine: pyrimidine analogue; anti-metabolite used in psoriasis & mycosis fungoides;. azaribine : A N-glycosyl-1,2,4-triazine that is 6-azauridine acetylated at positions 2', 3' and 5' on the sugar ring. It is a prodrug for 6-azauridine and is used for treatment of psoriasis. | 2.44 | 2 | 0 | acetate ester; N-glycosyl-1,2,4-triazine | antipsoriatic; prodrug |
thioflavin t thioflavin T: RN given refers to chloride; structure. thioflavine T : An organic chloride salt having 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium as the counterion. It is widely used to visualise and quantify the presence of amyloids, both in vitro and in vivo. | 3.92 | 3 | 0 | organic chloride salt | fluorochrome; geroprotector; histological dye |
sulfadoxine Sulfadoxine: A long acting sulfonamide that is used, usually in combination with other drugs, for respiratory, urinary tract, and malarial infections.. sulfadoxine : A sulfonamide consisting of pyrimidine having methoxy substituents at the 5- and 6-positions and a 4-aminobenzenesulfonamido group at the 4-position. In combination with the antiprotozoal pyrimethamine (CHEBI:8673) it is used as an antimalarial. | 2.74 | 3 | 0 | pyrimidines; sulfonamide | antibacterial drug; antimalarial |
1,3,5-triglycidyl-s-triazinetrione [no description available] | 2.04 | 1 | 0 | | |
acadesine [no description available] | 2.05 | 1 | 0 | 1-ribosylimidazolecarboxamide; aminoimidazole; nucleoside analogue | antineoplastic agent; platelet aggregation inhibitor |
acetophenazine acetophenazine: major descriptor (73-85); minor descriptor (64-72); on-line search PHENOTHIAZINES (64-85); Index Medicus search PHENOTHIAZINES (64-72); ACETOPHENAZINE (73-85); RN given refers to parent cpd. acetophenazine : A member of the class of phenothiazines that is 10H-phenothiazine substituted by a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at the nitogen atom and an acetyl group at position 2. | 2.74 | 3 | 0 | N-(2-hydroxyethyl)piperazine; N-alkylpiperazine; phenothiazines | phenothiazine antipsychotic drug |
chlordesmethyldiazepam [no description available] | 1.95 | 1 | 0 | benzodiazepine | |
stavudine Stavudine: A dideoxynucleoside analog that inhibits reverse transcriptase and has in vitro activity against HIV.. stavudine : A nucleoside analogue obtained by formal dehydration across positions 2 and 3 of thymidine. An inhibitor of HIV-1 reverse transcriptase | 2.47 | 2 | 0 | dihydrofuran; nucleoside analogue; organic molecular entity | antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
doxifluridine doxifluridine : A pyrimidine 5'-deoxyribonucleoside that is 5-fluorouridine in which the hydroxy group at the 5' position is replaced by a hydrogen. It is an oral prodrug of the antineoplastic agent 5-fluorouracil. Designed to circumvent the rapid degradation of 5-fluorouracil by dihydropyrimidine dehydrogenase in the gut wall, it is converted into 5-fluorouracil in the presence of pyrimidine nucleoside phosphorylase. | 2.45 | 2 | 0 | organofluorine compound; pyrimidine 5'-deoxyribonucleoside | antimetabolite; antineoplastic agent; prodrug |
dicloxacillin Dicloxacillin: One of the PENICILLINS which is resistant to PENICILLINASE.. dicloxacillin : A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazol-4-yl]formyl group. | 2.46 | 2 | 0 | dichlorobenzene; penicillin | antibacterial drug |
improsan improsan: synonyms NSC-102627, alkylating agent 864 & yoshi 864 refer to HCl; RN given refers to parent cpd; structure | 2.04 | 1 | 0 | organosulfonic ester | |
iproclozide iproclozide: structure | 2.05 | 1 | 0 | aromatic ether | |
cephaloglycin Cephaloglycin: A cephalorsporin antibiotic.. cefaloglycin : A cephalosporin antibiotic containing at the 7beta-position of the cephem skeleton an (R)-amino(phenyl)acetamido group. | 2.04 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin | antimicrobial agent |
diloxanide furoate diloxanide furoate: structure. diloxanide furoate : A carboxylic ester resulting from the formal condensation of the carboxy group of furan-2-carboxylic acid with the hydroxy group of 2,2-dichloro-N-(4-hydroxyphenyl)-N-methylacetamide. It is a drug used for the treatment of asymptomatic amebiasis. | 2.1 | 1 | 0 | carboxylic ester; furans; organochlorine compound; tertiary carboxamide | antiamoebic agent; prodrug |
streptomycin [no description available] | 6.38 | 13 | 1 | antibiotic antifungal drug; antibiotic fungicide; streptomycins | antibacterial drug; antifungal agrochemical; antimicrobial agent; antimicrobial drug; bacterial metabolite; protein synthesis inhibitor |
piperacetazine piperacetazine: was MH 1975-91 (see under PHENOTHIAZINE TRANQUILIZERS 1975-90) | 2.04 | 1 | 0 | phenothiazines | |
nitroxoline nitroxoline: structure in Merck Index, 9th ed, #6475; RN given refers to parent cpd. nitroxoline : A monohydroxyquinoline in which the hydroxy group is positioned at C-8 with a nitro group trans to it at C-5. | 4.75 | 5 | 0 | C-nitro compound; monohydroxyquinoline | antifungal agent; antiinfective agent; antimicrobial agent; renal agent |
cladribine [no description available] | 2.47 | 2 | 0 | organochlorine compound; purine 2'-deoxyribonucleoside | antineoplastic agent; immunosuppressive agent |
beclomethasone [no description available] | 2.45 | 2 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; chlorinated steroid; corticosteroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | anti-asthmatic drug; anti-inflammatory drug |
pyrodifenium bromide pyrodifenium bromide: was heading 1976-94 (see under PYRROLIDINES 1976-90); PRIFINIUM BROMIDE was see PYRODIFENIUM BROMIDE 1976-94: use PYRROLIDINES to search PYRODIFENIUM BROMIDE 1976-94; quaternary ammonium anticholinergic agent more specific for the gastrointestinal tract than atropine | 2.05 | 1 | 0 | organic molecular entity | |
carbenicillin Carbenicillin: Broad-spectrum semisynthetic penicillin derivative used parenterally. It is susceptible to gastric juice and penicillinase and may damage platelet function.. carbenicillin : A penicillin antibiotic having a 6beta-2-carboxy-2-phenylacetamido side-chain. | 2.04 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
carbenicillin disodium [no description available] | 2.05 | 1 | 0 | organic sodium salt | |
dehydroemetine dehydroemetine: was MH 1991-94 (see under EMETINE 1976-90); use EMETINE to search DEHYDROEMETINE 1976-94; amebicide, derivative of emetine. dehydroemetine : A pyridoisoquinoline which was developed in response to the cardiovascular toxicity associated with emetine and results from the dehydrogenation of the heterotricylic ring of emetine. It is an antiprotozoal agent and displays antimalarial, antiamoebic, and antileishmanial properties. | 2.05 | 1 | 0 | aromatic ether; isoquinolines; pyridoisoquinoline | antileishmanial agent; antimalarial; antiprotozoal drug |
noxiptilin noxiptilin: proposed tricyclic antidepressent; minor descriptor (75-86); on line & INDEX MEDICUS search DIBENZOCYCLOHEPTENES (75-86); RN given refers to parent cpd | 2.04 | 1 | 0 | organic tricyclic compound | |
benorilate benorilate: was heading 1980-94 (see under SALICYLATES 1980-90); was BENORYLATE see under SALICYLATES 1975-79; BENORYLATE was see BENORILATE 1980-94; use SALICYLATES to search BENORILATE 1980-90 & BENORYLATE 1975-79; an ester of aspirin and paracetamol with analgesic, antipyretic, and anti-inflammatory activity used in the treatment of rheumatoid diseases; it has less severe side effects than aspirin | 2.45 | 2 | 0 | carbonyl compound | |
trimetazidine Trimetazidine: A vasodilator used in angina of effort or ischemic heart disease. | 2.05 | 1 | 0 | aromatic amine | |
metocurine metocurine: from Chinese herb Cyclea hainanensis Mrr | 2.46 | 2 | 0 | isoquinolines | |
floxacillin Floxacillin: Antibiotic analog of CLOXACILLIN.. flucloxacillin : A penicillin compound having a 6beta-[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxamido] side-chain. | 2.74 | 3 | 0 | penicillin allergen; penicillin | antibacterial drug |
clomacran clomacran: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | acridines | |
pentaquine pentaquine: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
vidarabine adenine arabinoside : A purine nucleoside in which adenine is attached to arabinofuranose via a beta-N(9)-glycosidic bond. | 2.05 | 1 | 0 | beta-D-arabinoside; purine nucleoside | antineoplastic agent; bacterial metabolite; nucleoside antibiotic |
iprindole Iprindole: A tricyclic antidepressant that has actions and uses similar to those of AMITRIPTYLINE, but has only weak antimuscarinic and sedative effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p257) | 2.04 | 1 | 0 | indoles | |
isometheptene isometheptene: RN given refers to cpd without isomeric designation; structure in Merck Index, 9th ed, #5040 | 2.04 | 1 | 0 | secondary amino compound | |
olsalazine olsalazine: cpd with 2 salicylate molecules linked together by an azo bond. olsalazine : An azobenzene that consists of two molecules of 4-aminosalicylic acid joined by an azo linkage. A prodrug for mesalazine, an anti-inflammatory drug, it is used (as the disodium salt) in the treatment of inflammatory bowel disease. | 2.51 | 2 | 0 | azobenzenes; dicarboxylic acid | non-steroidal anti-inflammatory drug; prodrug |
tiadenol tiadenol: structure | 2.05 | 1 | 0 | aliphatic sulfide | |
1-phenyl-3,3-dimethyltriazene [no description available] | 2.04 | 1 | 0 | | |
etidronate disodium etidronate disodium : An organic sodium salt resulting from the replacement of two protons from etidronic acid (one from from each of the phosphonic acid groups) by sodium ions. | 2.08 | 1 | 0 | organic sodium salt | antineoplastic agent; bone density conservation agent; chelator |
molindone Molindone: An indole derivative effective in schizophrenia and other psychoses and possibly useful in the treatment of the aggressive type of undersocialized conduct disorder. Molindone has much lower affinity for D2 receptors than most antipsychotic agents and has a relatively low affinity for D1 receptors. It has only low to moderate affinity for cholinergic and alpha-adrenergic receptors. Some electrophysiologic data from animals indicate that molindone has certain characteristics that resemble those of CLOZAPINE. (From AMA Drug Evaluations Annual, 1994, p283) | 2.04 | 1 | 0 | indoles | |
lanthanum [no description available] | 1.95 | 1 | 0 | f-block element atom; lanthanoid atom; scandium group element atom | |
mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 9.15 | 5 | 0 | elemental mercury; zinc group element atom | neurotoxin |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.01 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.8 | 3 | 0 | iron group element atom; platinum group metal atom | |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 7.52 | 2 | 0 | copper group element atom; elemental gold | |
vanadium Vanadium: A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs. | 2.4 | 2 | 0 | elemental vanadium; vanadium group element atom | micronutrient |
cupric chloride cupric chloride: RN given refers to unlabeled parent cpd. copper(II) chloride : An inorganic chloride of copper in which the metal is in the +2 oxidation state. | 2.1 | 1 | 0 | copper molecular entity; inorganic chloride | EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor |
zalcitabine Zalcitabine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication at low concentrations, acting as a chain-terminator of viral DNA by binding to reverse transcriptase. Its principal toxic side effect is axonal degeneration resulting in peripheral neuropathy.. zalcitabine : A pyrimidine 2',3'-dideoxyribonucleoside compound having cytosine as the nucleobase. | 2.75 | 3 | 0 | pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
hexocyclium hexocyclium: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | amine | |
camptothecin NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 2.47 | 2 | 0 | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
ferric chloride ferric chloride: RN given refers to cpd with MF of Fe-Cl3; used to induce experimental arterial thrombosis to evaluate antithrombotic agents | 1.96 | 1 | 0 | iron coordination entity | astringent; Lewis acid |
nickel chloride nickel chloride: RN given refers to cpd with MF of Ni-Cl2. nickel dichloride : A compound of nickel and chloride in which the ratio of nickel (in the +2 oxidation state) to chloride is 1:2. | 1.98 | 1 | 0 | nickel coordination entity | calcium channel blocker; hapten |
isopentenyladenosine Isopentenyladenosine: N(6)-[delta(3)-isopentenyl]adenosine. Isopentenyl derivative of adenosine which is a member of the cytokinin family of plant growth regulators.. N(6)-(Delta(2)-isopentenyl)adenosine : A nucleoside analogue in which adenosine has been modified by substitution at the 6-amino nitrogen by a Delta(2)-isopentenyl group. | 2.04 | 1 | 0 | N-ribosyl-N(6)-isopentenyladenine; nucleoside analogue | antineoplastic agent; plant growth regulator; plant metabolite |
zinc sulfate Zinc Sulfate: A compound given in the treatment of conditions associated with zinc deficiency such as acrodermatitis enteropathica. Externally, zinc sulfate is used as an astringent in lotions and eye drops. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1995). zinc sulfate : A metal sulfate compound having zinc(2+) as the counterion. | 2.41 | 2 | 0 | metal sulfate; zinc molecular entity | fertilizer |
lead chloride lead chloride: RN in 9th CI Form Index for cotunnite: 14639-87-3; RN given refers to cpd with MF of Pb-Cl2. lead(II) chloride : An inorganic chloride consisting of two chlorine atoms covalently bound to a central lead atom. | 2.01 | 1 | 0 | inorganic chloride; lead coordination entity | |
copper sulfate Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.. copper(II) sulfate : A metal sulfate compound having copper(2+) as the metal ion. | 2.11 | 1 | 0 | metal sulfate | emetic; fertilizer; sensitiser |
silver nitrate Silver Nitrate: A silver salt with powerful germicidal activity. It has been used topically to prevent OPHTHALMIA NEONATORUM. | 1.94 | 1 | 0 | inorganic nitrate salt; silver salt | astringent |
fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 5.83 | 13 | 2 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.63 | 3 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
nickel sulfate nickel sulfate: RN given refers to cpd with MF of Ni(2+)-H2SO4. nickel sulfate : A metal sulfate having nickel(2+) as the metal ion. | 1.97 | 1 | 0 | metal sulfate | allergen |
cobalt sulfate cobalt sulfate: RN given refers to parent cpd. cobalt(2+) sulfate : A compound of cobalt and sulfate in which the ratio of cobalt (+2 oxidation state) to sulfate is 1:1. | 2.05 | 1 | 0 | metal sulfate | |
ancitabine Ancitabine: Congener of CYTARABINE that is metabolized to cytarabine and thereby maintains a more constant antineoplastic action.. ancitabine : An organic heterotricyclic compound resulting from the formal condensation of the oxo group of cytidine to the 2' position with loss of water to give the corresponding cyclic ether. A prodrug, it is metabolised to the antineoplastic agent cytarabine, so is used to maintain a more constant antineoplastic action. | 2.44 | 2 | 0 | diol; organic heterotricyclic compound | antimetabolite; antineoplastic agent; prodrug |
amopyroquine amopyroquine: RN given refers to parent cpd; structure | 2.05 | 1 | 0 | | |
clortermine [no description available] | 2.04 | 1 | 0 | amphetamines | |
stanozolol Stanozolol: A synthetic steroid that has anabolic and androgenic properties. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1194). stanozolol : An organic heteropentacyclic compound resulting from the formal condensation of the 3-keto-aldehyde moiety of oxymetholone with hydrazine. Like oxymetholone, it is a synthetic anabolic steroid. It has both anabolic and androgenic properties, and has been used to treat hereditary angioedema and various vascular disorders. It has also been widely abused by professional athletes. | 2.05 | 1 | 0 | 17beta-hydroxy steroid; anabolic androgenic steroid; organic heteropentacyclic compound; tertiary alcohol | anabolic agent; androgen |
phenacid phenacid: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | | |
2-aminoadamantane 2-aminoadamantane: inhibits lymphocyte proliferation; RN given refers to parent cpd | 3.25 | 1 | 0 | | |
clodronic acid Clodronic Acid: A diphosphonate which affects calcium metabolism. It inhibits bone resorption and soft tissue calcification.. clodronic acid : An organochlorine compound that is methylene chloride in which both hydrogens are replaced by phosphonic acid groups. It inhibits bone resorption and soft tissue calcification, and is used (often as the disodium salt tetrahydrate) as an adjunct in the treatment of severe hypercalcaemia associated with malignancy, and in the management of osteolytic lesions and bone pain associated with skeletal metastases. | 2.05 | 1 | 0 | 1,1-bis(phosphonic acid); one-carbon compound; organochlorine compound | antineoplastic agent; bone density conservation agent |
nicofuranose nicofuranose: derivative of nicotinic acid that produces fewer side effects than pure nicotinic acid; used in peripheral vascular disease; also proposed as anticholesteremic; minor descriptor (75-84); on-line search NIACIN/AA (75-84); Index Medicus search NIACIN/AA (83-84), NICOTINIC ACIDS (75-82) | 2.04 | 1 | 0 | organooxygen compound | |
ammonium chloride Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion. | 2.05 | 1 | 0 | ammonium salt; inorganic chloride | ferroptosis inhibitor |
mafenide acetate [no description available] | 2.08 | 1 | 0 | carboxylic acid | |
apazone Apazone: An anti-inflammatory agent used in the treatment of rheumatoid arthritis. It also has uricosuric properties and has been used to treat gout.. apazone : A member of the class of benzotriazines that is 1,2-dihydro-1,2,4-benzotriazine bearing a dimethylamino substitutent at position 3 and a methyl substituent at position 7 and in which the nitrogens at positions 1 and 2 are both acylated by a carboxy group of propylmalonic acid. | 2.04 | 1 | 0 | benzotriazines | non-steroidal anti-inflammatory drug; uricosuric drug |
diacerein diacerein: chelates with bivalent metals; a quinone which possesses redox properties; metabolized to active rhein; proposed mechanisms include inhibiting IL1 and metalloproteinases; called a slow acting symptomatic drug in osteoarthritis; no effect of cyclooxygenase; | 2.08 | 1 | 0 | anthraquinone | |
cloforex cloforex: carbamic ethyl ester of chlorphentermine; structure in Negwer, 5th ed, #2275 | 2.04 | 1 | 0 | amphetamines | |
xipamide Xipamide: A sulfamoylbenzamide analog of CLOPAMIDE. It is diuretic and saluretic with antihypertensive activity. It is bound to PLASMA PROTEINS, thus has a delayed onset and prolonged action. | 2.74 | 3 | 0 | benzamides | |
selegiline Selegiline: A selective, irreversible inhibitor of Type B monoamine oxidase that is used for the treatment of newly diagnosed patients with PARKINSON DISEASE, and for the treatment of depressive disorders. The compound without isomeric designation is Deprenyl. | 2.74 | 3 | 0 | selegiline; terminal acetylenic compound | geroprotector |
selegiline hydrochloride, (r)-isomer [no description available] | 2.08 | 1 | 0 | hydrochloride; terminal acetylenic compound | antiparkinson drug; dopaminergic agent; EC 1.4.3.4 (monoamine oxidase) inhibitor |
levamisole Levamisole: An antihelminthic drug that has been tried experimentally in rheumatic disorders where it apparently restores the immune response by increasing macrophage chemotaxis and T-lymphocyte function. Paradoxically, this immune enhancement appears to be beneficial in rheumatoid arthritis where dermatitis, leukopenia, and thrombocytopenia, and nausea and vomiting have been reported as side effects. (From Smith and Reynard, Textbook of Pharmacology, 1991, p435-6). levamisole : A 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole that has S configuration. It is used (generally as the monohydrochloride salt) to treat parasitic worm infections in pigs, sheep and cattle and was formerly used in humans as an adjuvant to chemotherapy for the treatment of various cancers. It is also widely used as an adulterant to coccaine. | 2.74 | 3 | 0 | 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole | antinematodal drug; antirheumatic drug; EC 3.1.3.1 (alkaline phosphatase) inhibitor; immunological adjuvant; immunomodulator |
clobutinol clobutinol: was minor as SILOMAT mapped to AMINO ALCOHOLS (63-79) | 2.04 | 1 | 0 | benzenes; organic amino compound | |
thiamphenicol [no description available] | 4.02 | 4 | 0 | monocarboxylic acid amide; sulfone | antimicrobial agent; immunosuppressive agent |
pancuronium bromide pancuronium bromide : A bromide salt consisting of two bromide ions and one pancuronium dication. | 2.08 | 1 | 0 | bromide salt | cholinergic antagonist; muscle relaxant; nicotinic antagonist |
pizotyline Pizotyline: Serotonin antagonist used against MIGRAINE DISORDERS and vascular headaches.. pizotifen : A benzocycloheptathiophene that is 9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophene 4-ylidene)-1-methylpiperidine which is joined from the 4 position to the 4 position of an N-methylpiperidine moiety by a double bond. It is a sedating antihistamine, with strong serotonin antagonist and weak antimuscarinic activity. It is generally used as the malate salt for the treatment of migraine and the prevention of headache attacks during cluster periods. | 2.05 | 1 | 0 | benzocycloheptathiophene | histamine antagonist; muscarinic antagonist; serotonergic antagonist |
cephalexin Cephalexin: A semisynthetic cephalosporin antibiotic with antimicrobial activity similar to that of CEPHALORIDINE or CEPHALOTHIN, but somewhat less potent. It is effective against both gram-positive and gram-negative organisms.. cephalexin : A semisynthetic first-generation cephalosporin antibiotic having methyl and beta-(2R)-2-amino-2-phenylacetamido groups at the 3- and 7- of the cephem skeleton, respectively. It is effective against both Gram-negative and Gram-positive organisms, and is used for treatment of infections of the skin, respiratory tract and urinary tract. | 2.04 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; semisynthetic derivative | antibacterial drug |
isosorbide-5-mononitrate isosorbide-5-mononitrate: for prevention of angina pectoris; structure given in first source; a Russian drug | 2.74 | 3 | 0 | glucitol derivative; nitrate ester | nitric oxide donor; vasodilator agent |
pentamethylmelamine pentamethylmelamine: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
ornidazole Ornidazole: A nitroimidazole antiprotozoal agent used in ameba and trichomonas infections. It is partially plasma-bound and also has radiation-sensitizing action.. ornidazole : A C-nitro compound that is 5-nitroimidazole in which the hydrogens at positions 1 and 2 are replaced by 3-chloro-2-hydroxypropyl and methyl groups, respectively. It is used in the treatment of susceptible protozoal infections and for the treatment of anaerobic bacterial infections. | 2.08 | 1 | 0 | C-nitro compound; imidazoles; organochlorine compound; secondary alcohol | antiamoebic agent; antibacterial drug; antiinfective agent; antiprotozoal drug; antitrichomonal drug; epitope |
calusterone calusterone: was MH 1975-92 (see under METHYLTESTOSTERONE 1975-90); use METHYLTESTOSTERONE to search CALUSTERONE 1975-92 | 2.04 | 1 | 0 | 3-hydroxy steroid | androgen |
danazol Danazol: A synthetic steroid with antigonadotropic and anti-estrogenic activities that acts as an anterior pituitary suppressant by inhibiting the pituitary output of gonadotropins. It possesses some androgenic properties. Danazol has been used in the treatment of endometriosis and some benign breast disorders. | 2.97 | 4 | 0 | 17beta-hydroxy steroid; terminal acetylenic compound | anti-estrogen; estrogen antagonist; geroprotector |
lisuride Lisuride: An ergot derivative that acts as an agonist at dopamine D2 receptors (DOPAMINE AGONISTS). It may also act as an antagonist at dopamine D1 receptors, and as an agonist at some serotonin receptors (SEROTONIN RECEPTOR AGONISTS). | 2.04 | 1 | 0 | monocarboxylic acid amide | antidyskinesia agent; antiparkinson drug; dopamine agonist; serotonergic agonist |
etoprine etoprine: do not confuse with 3,5-dicarbethoxy-2,6-dimethyl-4-ethyl-1,4-dihydropyridine, also called DDEP | 2.04 | 1 | 0 | | |
iodine [no description available] | 3.95 | 4 | 0 | halide anion; monoatomic iodine | human metabolite |
daunorubicin Daunorubicin: A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and others, used in treatment of LEUKEMIA and other NEOPLASMS.. anthracycline : Anthracyclines are polyketides that have a tetrahydronaphthacenedione ring structure attached by a glycosidic linkage to the amino sugar daunosamine.. daunorubicin : A natural product found in Actinomadura roseola. | 3.85 | 3 | 0 | aminoglycoside antibiotic; anthracycline; p-quinones; tetracenequinones | antineoplastic agent; bacterial metabolite |
razoxane Razoxane: An antimitotic agent with immunosuppressive properties. | 2.44 | 2 | 0 | N-alkylpiperazine | |
cephapirin Cephapirin: Cephalosporin antibiotic, partly plasma-bound, that is effective against gram-negative and gram-positive organisms.. cephapirin : A cephalosporin with acetoxymethyl and 2(pyridin-4-ylsulfanyl)acetamido substituents at positions 3 and 7, respectively, of the cephem skeleton. It is used (as its sodium salt) as an antibiotic, being effective against gram-negative and gram-positive organisms. | 2.04 | 1 | 0 | cephalosporin | antibacterial drug |
fludarabine phosphate fludarabine phosphate: structure given in first source. fludarabine phosphate : A purine arabinonucleoside monophosphate having 2-fluoroadenine as the nucleobase. A prodrug, it is rapidly dephosphorylated to 2-fluoro-ara-A and then phosphorylated intracellularly by deoxycytidine kinase to the active triphosphate, 2-fluoro-ara-ATP. Once incorporated into DNA, 2-fluoro-ara-ATP functions as a DNA chain terminator. It is used for the treatment of adult patients with B-cell chronic lymphocytic leukemia (CLL) who have not responded to, or whose disease has progressed during, treatment with at least one standard alkylating-agent containing regimenas. | 2.74 | 3 | 0 | nucleoside analogue; organofluorine compound; purine arabinonucleoside monophosphate | antimetabolite; antineoplastic agent; antiviral agent; DNA synthesis inhibitor; immunosuppressive agent; prodrug |
carbimazole Carbimazole: An imidazole antithyroid agent. Carbimazole is metabolized to METHIMAZOLE, which is responsible for the antithyroid activity.. carbimazole : A member of the class of imidazoles that is methimazole in which the nitrogen bearing a hydrogen is converted into its ethoxycarbonyl derivative. A prodrug for methimazol, carbimazole is used for the treatment of hyperthyroidism. | 2.05 | 1 | 0 | 1,3-dihydroimidazole-2-thiones; carbamate ester | antithyroid drug; prodrug |
bromocriptine Bromocriptine: A semisynthetic ergotamine alkaloid that is a dopamine D2 agonist. It suppresses prolactin secretion. | 2.74 | 3 | 0 | indole alkaloid | antidyskinesia agent; antiparkinson drug; dopamine agonist; hormone antagonist |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 3.04 | 5 | 0 | benzenes; phenyl acetates | |
triamcinolone Triamcinolone: A glucocorticoid given, as the free alcohol or in esterified form, orally, intramuscularly, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. (From Martindale, The Extra Pharmacopoeia, 30th ed, p739). triamcinolone : A C21-steroid hormone that is 1,4-pregnadiene-3,20-dione carrying four hydroxy substituents at positions 11beta, 16alpha, 17alpha and 21 as well as a fluoro substituent at position 9. Used in the form of its 16,17-acetonide to treat various skin infections. | 4.46 | 5 | 1 | 11beta-hydroxy steroid; 16alpha-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | anti-allergic agent; anti-inflammatory drug |
oxyphenisatin [no description available] | 2.05 | 1 | 0 | indoles | |
azetepa [no description available] | 2.04 | 1 | 0 | phosphoramide | |
tetrachloroethylene Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 2.05 | 1 | 0 | chlorocarbon; chloroethenes | nephrotoxic agent |
ursodeoxycholic acid Ursodeoxycholic Acid: An epimer of chenodeoxycholic acid. It is a mammalian bile acid found first in the bear and is apparently either a precursor or a product of chenodeoxycholate. Its administration changes the composition of bile and may dissolve gallstones. It is used as a cholagogue and choleretic.. ursodeoxycholic acid : A bile acid found in the bile of bears (Ursidae) as a conjugate with taurine. Used therapeutically, it prevents the synthesis and absorption of cholesterol and can lead to the dissolution of gallstones.. ursodeoxycholate : A bile acid anion that is the conjugate base of ursodeoxycholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. | 2.05 | 1 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
proquazone proquazone: nonsteroid anti-inflammatory agent; structure | 2.04 | 1 | 0 | pyrimidines | |
benzonidazole benzonidazole: used in treatment of Chagas' disease. benznidazole : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2-nitroimidazol-1-yl)acetic acid with the aromatic amino group of benzylamine. Used for treatment of Chagas disease. | 2.47 | 2 | 0 | C-nitro compound; imidazoles; monocarboxylic acid amide | antiprotozoal drug |
halazepam halazepam: structure | 2.45 | 2 | 0 | organic molecular entity | |
butachlor butachlor : An aromatic amide that is 2-choro-N-(2,6-diethylphenyl)acetamide in which the amide nitrogen has been replaced by a butoxymethyl group. | 2.05 | 1 | 0 | aromatic amide; organochlorine compound; tertiary carboxamide | environmental contaminant; herbicide; xenobiotic |
transferrin Transferrin: An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. | 2.13 | 1 | 0 | | |
rose bengal b disodium salt [no description available] | 2.05 | 1 | 0 | | |
glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.99 | 4 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
dexchlorpheniramine dexchlorpheniramine: RN given refers to parent cpd(S)-isomer | 2.05 | 1 | 0 | chlorphenamine | |
cefazolin Cefazolin: A semisynthetic cephalosporin analog with broad-spectrum antibiotic action due to inhibition of bacterial cell wall synthesis. It attains high serum levels and is excreted quickly via the urine.. cefazolin : A first-generation cephalosporin compound having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and (1H-tetrazol-1-ylacetyl)amino side-groups at positions 3 and 7 respectively. | 2.45 | 2 | 0 | beta-lactam antibiotic allergen; cephalosporin; tetrazoles; thiadiazoles | antibacterial drug |
ripazepam [no description available] | 2.44 | 2 | 0 | benzenes | |
amoxicillin Amoxicillin: A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.. amoxicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-(4-hydroxyphenyl)acetamido group. | 2.97 | 4 | 0 | penicillin allergen; penicillin | antibacterial drug |
timolol (S)-timolol (anhydrous) : The (S)-(-) (more active) enantiomer of timolol. A beta-adrenergic antagonist, both the hemihydrate and the maleate salt are used in the mangement of glaucoma, hypertension, angina pectoris and myocardial infarction, and for the prevention of migraine. | 2.97 | 4 | 0 | timolol | anti-arrhythmia drug; antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist |
indoramin Indoramin: An alpha-1 adrenergic antagonist that is commonly used as an antihypertensive agent. | 2.46 | 2 | 0 | tryptamines | |
nicergoline Nicergoline: An ergot derivative that has been used as a cerebral vasodilator and in peripheral vascular disease. It may ameliorate cognitive deficits in CEREBROVASCULAR DISORDERS. | 2.05 | 1 | 0 | organic heterotetracyclic compound; organonitrogen heterocyclic compound | |
oxcarbazepine Oxcarbazepine: A carbamazepine derivative that acts as a voltage-gated sodium channel blocker. It is used for the treatment of PARTIAL SEIZURES with or without secondary generalization. It is also an inducer of CYTOCHROME P-450 CYP3A4.. oxcarbazepine : A dibenzoazepine derivative, having a carbamoyl group at the ring nitrogen, substituted with an oxo group at C-4 of the azepeine ring which is also hydrogenated at C-4 and C-5. It is a anticholinergic anticonvulsant and mood stabilizing drug, used primarily in the treatment of epilepsy. | 2.47 | 2 | 0 | cyclic ketone; dibenzoazepine | anticonvulsant; drug allergen |
carbidopa carbidopa (anhydrous) : 3-(3,4-Dihydroxyphenyl)propanoic acid in which the hydrogens alpha- to the carboxyl group are substituted by hydrazinyl and methyl groups (S-configuration). Carbidopa is a dopa decarboxylase inhibitor, so prevents conversion of levodopa to dopamine. It has no antiparkinson activity by itself, but is used (commonly as its hydrate) in the management of Parkinson's disease to reduce peripheral adverse effects of levodopa. | 2.08 | 1 | 0 | catechols; hydrazines; monocarboxylic acid | antiparkinson drug; dopaminergic agent; EC 4.1.1.28 (aromatic-L-amino-acid decarboxylase) inhibitor |
prednimustine Prednimustine: Ester of CHLORAMBUCIL and PREDNISOLONE used as a combination alkylating agent and synthetic steroid to treat various leukemias and other neoplasms. It causes gastrointestinal and bone marrow toxicity. | 2.04 | 1 | 0 | corticosteroid hormone | |
moricizine Moricizine: An antiarrhythmia agent used primarily for ventricular rhythm disturbances.. moricizine : A phenothiazine substituted on the nitrogen by a 3-(morpholin-4-yl)propanoyl group, and at position 2 by an (ethoxycarbonyl)amino group. | 2.04 | 1 | 0 | carbamate ester; morpholines; phenothiazines | anti-arrhythmia drug |
amygdalin [no description available] | 2.04 | 1 | 0 | cyanogenic glycoside; disaccharide derivative; gentiobioside | plant metabolite |
amineptin amineptin: used in treatment of neuroses with psychoasthenic, anxio-phobic & depressive manifestations; synonym S 1694 refers to HCl; structure. amineptine : A carbocyclic fatty acid that is 5-aminoheptanoic acid in which one of the hydrogens attached to the nitrogen is replaced by a 10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-yl group. A tricyclic antidepressant, it was never approved in the US and was withdrawn from the French market in 1999 due to concerns over abuse, dependence and severe acne. | 2.74 | 3 | 0 | amino acid; carbocyclic fatty acid; carbotricyclic compound; secondary amino compound | antidepressant; dopamine uptake inhibitor |
zidovudine Zidovudine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by an azido group. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA during reverse transcription. It improves immunologic function, partially reverses the HIV-induced neurological dysfunction, and improves certain other clinical abnormalities associated with AIDS. Its principal toxic effect is dose-dependent suppression of bone marrow, resulting in anemia and leukopenia.. zidovudine : A pyrimidine 2',3'-dideoxyribonucleoside compound having a 3'-azido substituent and thymine as the nucleobase. | 2.97 | 4 | 0 | azide; pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
feprazone Feprazone: A pyrazole that has analgesic, anti-inflammatory, and antipyretic properties. It has been used in mild to moderate pain, fever, and inflammation associated with musculoskeletal and joint disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p15) | 2.46 | 2 | 0 | organic molecular entity | |
pirprofen pirprofen: anti-inflammatory agent used in therapy of rheumatoid arthritis; prostaglandin synthetase inhibitor; more potent than indomethacin; structure | 2.05 | 1 | 0 | pyrroline | |
tobramycin Tobramycin: An aminoglycoside, broad-spectrum antibiotic produced by Streptomyces tenebrarius. It is effective against gram-negative bacteria, especially the PSEUDOMONAS species. It is a 10% component of the antibiotic complex, NEBRAMYCIN, produced by the same species.. tobramycin : A amino cyclitol glycoside that is kanamycin B lacking the 3-hydroxy substituent from the 2,6-diaminoglucose ring. | 2.97 | 4 | 0 | amino cyclitol glycoside | antibacterial agent; antimicrobial agent; toxin |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2.97 | 4 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
etoposide [no description available] | 3.15 | 5 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
dobutamine Dobutamine: A catecholamine derivative with specificity for BETA-1 ADRENERGIC RECEPTORS. It is commonly used as a cardiotonic agent after CARDIAC SURGERY and during DOBUTAMINE STRESS ECHOCARDIOGRAPHY.. dobutamine : A catecholamine that is 4-(3-aminobutyl)phenol in which one of the hydrogens attached to the nitrogen is substituted by a 2-(3,4-dihydroxyphenyl)ethyl group. A beta1-adrenergic receptor agonist that has cardiac stimulant action without evoking vasoconstriction or tachycardia, it is used as the hydrochloride to increase the contractility of the heart in the management of acute heart failure. | 2.45 | 2 | 0 | catecholamine; secondary amine | beta-adrenergic agonist; cardiotonic drug; sympathomimetic agent |
ticarcillin Ticarcillin: An antibiotic derived from penicillin similar to CARBENICILLIN in action.. ticarcillin : A penicillin compound having a 6beta-[(2R)-2-carboxy-2-thiophen-3-ylacetyl]amino side-group. | 2.04 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
halofantrine halofantrine: used in treatment of mild to moderate acute malaria | 2.45 | 2 | 0 | phenanthrenes | |
etidocaine Etidocaine: A local anesthetic with rapid onset and long action, similar to BUPIVACAINE.. etidocaine : An amino acid amide in which 2-[ethyl(propyl)amino]butanoic acid and 2,6-dimethylaniline have combined to form the amide bond. Used as a local anaesthetic (amide caine), it has rapid onset and long action properties, similar to bupivacaine, and is given by injection during surgical procedures and during labour and delivery. | 2.44 | 2 | 0 | amino acid amide | local anaesthetic |
ribavirin Rebetron: Rebetron is tradename | 2.75 | 3 | 0 | 1-ribosyltriazole; aromatic amide; monocarboxylic acid amide; primary carboxamide | anticoronaviral agent; antiinfective agent; antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
amikacin Amikacin: A broad-spectrum antibiotic derived from KANAMYCIN. It is reno- and oto-toxic like the other aminoglycoside antibiotics.. amikacin : An amino cyclitol glycoside that is kanamycin A acylated at the N-1 position by a 4-amino-2-hydroxybutyryl group. | 8.19 | 5 | 0 | alpha-D-glucoside; amino cyclitol glycoside; aminoglycoside; carboxamide | antibacterial drug; antimicrobial agent; nephrotoxin |
cephradine Cephradine: A semi-synthetic cephalosporin antibiotic.. cephradine : A first-generation cephalosporin antibiotic with a methyl substituent at position 3, and a (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetamido substituent at position 7, of the cephem skeleton. | 2.04 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin | antibacterial drug |
hydroxymaprotilin hydroxymaprotilin: RN given refers to cpd without isomeric designation | 2.05 | 1 | 0 | | |
ticrynafen Ticrynafen: A novel diuretic with uricosuric action. It has been proposed as an antihypertensive agent.. tienilic acid : An aromatic ketone that is 2,3-dichlorophenoxyacetic acid in which the hydrogen at position 4 on the benzene ring is replaced by a thiophenecarbonyl group. A loop diuretic used to treat hypertension, it was withdrawn from the market in 1982 due to links with hepatitis. | 2.05 | 1 | 0 | aromatic ether; aromatic ketone; dichlorobenzene; monocarboxylic acid; thiophenes | antihypertensive agent; hepatotoxic agent; loop diuretic |
methyldopa Methyldopa: An alpha-2 adrenergic agonist that has both central and peripheral nervous system effects. Its primary clinical use is as an antihypertensive agent.. alpha-methyl-L-dopa : A derivative of L-tyrosine having a methyl group at the alpha-position and an additional hydroxy group at the 3-position on the phenyl ring. | 2.96 | 4 | 0 | L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | alpha-adrenergic agonist; antihypertensive agent; hapten; peripheral nervous system drug; sympatholytic agent |
tocainide Tocainide: An antiarrhythmic agent which exerts a potential- and frequency-dependent block of SODIUM CHANNELS.. tocainide : A monocarboxylic acid amide in which 2,6-dimethylphenylaniline and isobutyric acid have combined to form the amide bond; used as a local anaesthetic. | 2.45 | 2 | 0 | monocarboxylic acid amide | anti-arrhythmia drug; local anaesthetic; sodium channel blocker |
bezafibrate [no description available] | 2.05 | 1 | 0 | aromatic ether; monocarboxylic acid amide; monocarboxylic acid; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic |
sq-11725 Nadolol: A non-selective beta-adrenergic antagonist with a long half-life, used in cardiovascular disease to treat arrhythmias, angina pectoris, and hypertension. Nadolol is also used for MIGRAINE DISORDERS and for tremor.. nadolol : Nadolol is a diastereoisomeric mixture consisting of equimolar amounts of the four possible 2,3-cis-isomers of 5-[3-(tert-butylamino)-2-hydroxypropoxy]-1,2,3,4-tetrahydronaphthalene-2,3-diol. | 2.74 | 3 | 0 | | |
diltiazem Diltiazem: A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions.. diltiazem : A 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate in which both stereocentres have S configuration. A calcium-channel blocker and vasodilator, it is used as the hydrochloride in the management of angina pectoris and hypertension. | 2.76 | 3 | 0 | 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate | antihypertensive agent; calcium channel blocker; vasodilator agent |
nimustine Nimustine: Antineoplastic agent especially effective against malignant brain tumors. The resistance which brain tumor cells acquire to the initial effectiveness of this drug can be partially overcome by the simultaneous use of membrane-modifying agents such as reserpine, calcium antagonists such as nicardipine or verapamil, or the calmodulin inhibitor, trifluoperazine. The drug has also been used in combination with other antineoplastic agents or with radiotherapy for the treatment of various neoplasms.. nimustine : An organochlorine compound that is urea in which the two hydrogens on one of the amino groups are replaced by nitroso and 2-chloroethyl groups and one hydrogen from the other amino group is replaced by a 4-amino-2-methylpyrimidin-5-ylmethyl] group. An antineoplastic agent especially effective against malignant brain tumors. | 2.04 | 1 | 0 | aminopyrimidine; N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic agent |
vecuronium bromide Vecuronium Bromide: Monoquaternary homolog of PANCURONIUM. A non-depolarizing neuromuscular blocking agent with shorter duration of action than pancuronium. Its lack of significant cardiovascular effects and lack of dependence on good kidney function for elimination as well as its short duration of action and easy reversibility provide advantages over, or alternatives to, other established neuromuscular blocking agents.. vecuronium bromide : The organic bromide salt of a 5alpha-androstane compound having 3alpha-acetoxy-, 17beta-acetoxy-, 2beta-piperidinino- and 16beta-N-methylpiperidinium substituents. | 2.08 | 1 | 0 | organic bromide salt; quaternary ammonium salt | muscle relaxant; neuromuscular agent; nicotinic antagonist |
benoxaprofen benoxaprofen: RN given refers to parent cpd; structure. benoxaprofen : A monocarboxylic acid that is propionic acid substituted at position 2 by a 2-(4-chlorophenyl)-1,3-benzoxazol-5-yl group. It was used as a non-steroidal anti-inflammatory drug until 1982 when it was withdrawn from the market due to adverse side-effects including liver necrosis, photosensitivity, and carcinogenicity in animals. | 2.05 | 1 | 0 | 1,3-benzoxazoles; monocarboxylic acid; monochlorobenzenes | antipsoriatic; antipyretic; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; hepatotoxic agent; nephrotoxin; non-narcotic analgesic; non-steroidal anti-inflammatory drug; protein kinase C agonist |
permethrin hemoglobin Atlanta-Coventry: Leu replaced by Pro at beta75 and Leu deleted at beta141 | 2.05 | 1 | 0 | cyclopropanecarboxylate ester; cyclopropanes | agrochemical; ectoparasiticide; pyrethroid ester acaricide; pyrethroid ester insecticide; scabicide |
pinazepam pinazepam: structure | 2.05 | 1 | 0 | benzodiazepine | |
pirfenidone pirfenidone : A pyridone that is 2-pyridone substituted at positions 1 and 5 by phenyl and methyl groups respectively. An anti-inflammatory drug used for the treatment of idiopathic pulmonary fibrosis. | 2.05 | 1 | 0 | pyridone | antipyretic; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid [no description available] | 3.21 | 5 | 0 | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor |
desogestrel Desogestrel: A synthetic progestational hormone used often as the progestogenic component of combined oral contraceptive agents (ORAL CONTRACEPTIVES, COMBINED). | 2.05 | 1 | 0 | 17beta-hydroxy steroid; terminal acetylenic compound | contraceptive drug; progestin; synthetic oral contraceptive |
muzolimine Muzolimine: A pyrazole diuretic with long duration and high capacity of action. It was proposed for kidney failure and hypertension but was withdrawn worldwide because of severe neurological effects. | 2.05 | 1 | 0 | dichlorobenzene | |
butibufen butibufen: RN given refers to parent cpd | 2.45 | 2 | 0 | monoterpenoid | |
nitazoxanide nitazoxanide: a 5-nitrothiazolyl derivative used for a broad range of intestinal parasitic infections including CRYPTOSPORIDIUM and GIARDIA; it is a redox-active nitrothiazolyl-salicylamide prodrug | 2.08 | 1 | 0 | benzamides; carboxylic ester | |
acarbose [no description available] | 2.08 | 1 | 0 | tetrasaccharide derivative | EC 3.2.1.1 (alpha-amylase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; geroprotector; hypoglycemic agent |
epirubicin Epirubicin: An anthracycline which is the 4'-epi-isomer of doxorubicin. The compound exerts its antitumor effects by interference with the synthesis and function of DNA. | 2.45 | 2 | 0 | aminoglycoside; anthracycline antibiotic; anthracycline; deoxy hexoside; monosaccharide derivative; p-quinones; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | antimicrobial agent; antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
spiromustine [no description available] | 2.04 | 1 | 0 | | |
desflurane Desflurane: A fluorinated ether that is used as a volatile anesthetic for maintenance of general anesthesia. | 2.45 | 2 | 0 | organofluorine compound | inhalation anaesthetic |
prenalterol Prenalterol: A partial adrenergic agonist with functional beta 1-receptor specificity and inotropic effect. It is effective in the treatment of acute CARDIAC FAILURE, postmyocardial infarction low-output syndrome, SHOCK, and reducing ORTHOSTATIC HYPOTENSION in the SHY-RAGER SYNDROME. | 2.04 | 1 | 0 | aromatic ether | |
diaziquone diaziquone: RN given refers to parent cpd. diaziquone : A 1,4-benzoquinone that is substituted at positions 2 and 5 have been replaced by aziridin-1-yl groups and at positions 3 and 6 by (ethoxycarbonyl)amino groups. | 2.04 | 1 | 0 | 1,4-benzoquinones; aziridines; carbamate ester; enamine | alkylating agent; antineoplastic agent |
lorcainide [no description available] | 2.46 | 2 | 0 | acetamides | |
idarubicin Idarubicin: An orally administered anthracycline antineoplastic. The compound has shown activity against BREAST NEOPLASMS; LYMPHOMA; and LEUKEMIA. | 2.44 | 2 | 0 | anthracycline antibiotic; deoxy hexoside; monosaccharide derivative | |
cefonicid Cefonicid: A second-generation cephalosporin administered intravenously or intramuscularly. Its bactericidal action results from inhibition of cell wall synthesis. It is used for urinary tract infections, lower respiratory tract infections, and soft tissue and bone infections.. cefonicid : A cephalosporin bearing {[1-(sulfomethyl)-1H-tetrazol-5-yl]sulfanyl}methyl and (R)-2-hydroxy-2-phenylacetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2.04 | 1 | 0 | cephalosporin | antibacterial drug |
piperacillin Piperacillin: Semisynthetic, broad-spectrum, AMPICILLIN derived ureidopenicillin antibiotic proposed for PSEUDOMONAS infections. It is also used in combination with other antibiotics.. piperacillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-[(4-ethyl-2,3-dioxopiperazin-1-yl)carboxamido]-2-phenylacetamido group. | 2.45 | 2 | 0 | penicillin allergen; penicillin | antibacterial drug |
paroxetine Paroxetine: A serotonin uptake inhibitor that is effective in the treatment of depression.. paroxetine : A benzodioxole that consists of piperidine bearing 1,3-benzodioxol-5-yloxy)methyl and 4-fluorophenyl substituents at positions 3 and 4 respectively; the (3S,4R)-diastereomer. Highly potent and selective 5-HT uptake inhibitor that binds with high affinity to the serotonin transporter (Ki = 0.05 nM). Ki values are 1.1, 350 and 1100 nM for inhibition of [3H]-5-HT, [3H]-l-NA and [3H]-DA uptake respectively. Displays minimal affinity for alpha1-, alpha2- or beta-adrenoceptors, 5-HT2A, 5-HT1A, D2 or H1 receptors at concentrations below 1000 nM, however displays weak affinity for muscarinic ACh receptors (Ki = 42 nM). Antidepressant and anxiolytic in vivo. | 2.46 | 2 | 0 | aromatic ether; benzodioxoles; organofluorine compound; piperidines | antidepressant; anxiolytic drug; hepatotoxic agent; P450 inhibitor; serotonin uptake inhibitor |
triciribine phosphate [no description available] | 2.04 | 1 | 0 | | |
captopril Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. | 3.17 | 5 | 0 | alkanethiol; L-proline derivative; N-acylpyrrolidine; pyrrolidinemonocarboxylic acid | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
cefoperazone Cefoperazone: Semisynthetic broad-spectrum cephalosporin with a tetrazolyl moiety that is resistant to beta-lactamase. It may be used to treat Pseudomonas infections.. cefoperazone : A semi-synthetic parenteral cephalosporin with a tetrazolyl moiety that confers beta-lactamase resistance. | 2.05 | 1 | 0 | cephalosporin | antibacterial drug |
staurosporine [no description available] | 2.79 | 3 | 0 | indolocarbazole alkaloid; organic heterooctacyclic compound | apoptosis inducer; bacterial metabolite; EC 2.7.11.13 (protein kinase C) inhibitor; geroprotector |
foscarnet sodium trisodium phosphonoformate : The trisodium salt of phosphonoformic acid. It is used as an antiviral agent in the treatment of cytomegalovirus retinitis (CMV retinitis, an inflamation of the retina that can lead to blindness) and as an alternative to ganciclovir for AIDS patients who require concurrent antiretroviral therapy but are unable to tolerate ganciclovir due to haematological toxicity. | 2.47 | 2 | 0 | one-carbon compound; organic sodium salt | antiviral drug |
atracurium Atracurium: A non-depolarizing neuromuscular blocking agent with short duration of action. Its lack of significant cardiovascular effects and its lack of dependence on good kidney function for elimination provide clinical advantage over alternate non-depolarizing neuromuscular blocking agents.. atracurium : A diester compound consisting of pentane-1,5-diol with both hydroxyls bearing 3-[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-3,4-dihydroisoquinolinium-2(1H)-yl]propanoyl groups. | 2.04 | 1 | 0 | diester; quaternary ammonium ion | muscle relaxant; nicotinic antagonist |
atracurium besylate atracurium besylate : The bisbenzenesulfonate salt of atracurium. | 2.08 | 1 | 0 | organosulfonate salt; quaternary ammonium salt | muscle relaxant; nicotinic antagonist |
moxalactam Moxalactam: Broad- spectrum beta-lactam antibiotic similar in structure to the CEPHALOSPORINS except for the substitution of an oxaazabicyclo moiety for the thiaazabicyclo moiety of certain CEPHALOSPORINS. It has been proposed especially for the meningitides because it passes the blood-brain barrier and for anaerobic infections.. moxalactam : A broad-spectrum oxacephem antibiotic in which the oxazine ring is substituted with a tetrazolylthiomethyl group and the azetidinone ring carries methoxy and 2-carboxy-2-(4-hydroxyphenyl)acetamido substituents. | 2.05 | 1 | 0 | cephalosporin; oxacephem | antibacterial drug |
nicorandil Nicorandil: A derivative of the NIACINAMIDE that is structurally combined with an organic nitrate. It is a potassium-channel opener that causes vasodilatation of arterioles and large coronary arteries. Its nitrate-like properties produce venous vasodilation through stimulation of guanylate cyclase.. nicorandil : A pyrimidinecarboxamide that is nicotinamide in which one of the hydrogens attached to the carboxamide nitrogen is replaced by a 2-(nitrooxy)ethyl group. It has both nitrate-like and ATP-sensitive potassium channel activator properties, and is used for the prevention and treatment of angina pectoris. | 2.47 | 2 | 0 | nitrate ester; pyridinecarboxamide | potassium channel opener; vasodilator agent |
bw-755c 4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine: A dual inhibitor of both cyclooxygenase and lipoxygenase pathways. It exerts an anti-inflammatory effect by inhibiting the formation of prostaglandins and leukotrienes. The drug also enhances pulmonary hypoxic vasoconstriction and has a protective effect after myocardial ischemia. | 2.04 | 1 | 0 | | |
pergolide Pergolide: A long-acting dopamine agonist which has been used to treat PARKINSON DISEASE and HYPERPROLACTINEMIA but withdrawn from some markets due to potential for HEART VALVE DISEASES.. pergolide : A diamine that is ergoline in which the beta-hydrogen at position 8 is replaced by a (methylthio)methyl group and the hydrogen attached to the piperidine nitrogen (position 6) is replaced by a propyl group. A dopamine D2 receptor agonist which also has D1 and D2 agonist properties, it is used as the mesylate salt in the management of Parkinson's disease, although it was withdrawn from the U.S. and Canadian markets in 2007 due to an increased risk of cardiac valve dysfunction. | 2.04 | 1 | 0 | diamine; methyl sulfide; organic heterotetracyclic compound | antiparkinson drug; dopamine agonist |
pergolide mesylate pergolide mesylate : A methanesulfonate salt obtained from pergolide by mixing eqimolar amount of pergolide and methanesulfonic acid. A dopamine D2 receptor agonist which also has D1 and D2 agonist properties, it is used in the management of Parkinson's disease, although it was withdrawn from the U.S. and Canadian markets in 2007 due to an increased risk of cardiac valve dysfunction. | 2.08 | 1 | 0 | methanesulfonate salt | antiparkinson drug; dopamine agonist; geroprotector |
cefadroxil anhydrous Cefadroxil: Long-acting, broad-spectrum, water-soluble, CEPHALEXIN derivative.. cefadroxil : A cephalosporin bearing methyl and (2R)-2-amino-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2.47 | 2 | 0 | cephalosporin | antibacterial drug |
encainide Encainide: One of the ANTI-ARRHYTHMIA AGENTS, it blocks VOLTAGE-GATED SODIUM CHANNELS and slows conduction within the His-Purkinje system and MYOCARDIUM.. encainide : 4-Methoxy-N-phenylbenzamide in which the hydrogen at the 2 position of the phenyl group is substituted by a 2-(1-methylpiperidin-2-yl)ethyl group. A class Ic antiarrhythmic, the hydrochloride was used for the treatment of severe or life-threatening ventricular arrhythmias, but it was associated with increased death rates in patients who had asymptomatic heart rhythm abnormalities after a recent heart attack and was withdrawn from the market. | 2.05 | 1 | 0 | benzamides; piperidines | anti-arrhythmia drug; sodium channel blocker |
talniflumate talniflumate: an anti-inflammatory molecule for the treatment of cystic fibrosis, chronic obstructive pulmonary disease and asthma | 2.08 | 1 | 0 | benzofurans | |
fenoldopam mesylate [no description available] | 2.08 | 1 | 0 | benzazepine | |
doxofylline doxofylline : An oxopurine that is a derivative of xanthine, methylated at N-1 and N-3 and carrying a 1,3-dioxolan-2-ylmethyl group at N-7, used in the treatment of asthma. | 2.04 | 1 | 0 | oxopurine | anti-asthmatic drug; antitussive; bronchodilator agent |
cefaclor anhydrous Cefaclor: Semisynthetic, broad-spectrum antibiotic derivative of CEPHALEXIN.. cefaclor : A cephalosporin bearing chloro and (R)-2-amino-2-phenylacetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2.75 | 3 | 0 | cephalosporin | antibacterial drug; drug allergen |
pefloxacin Pefloxacin: A synthetic broad-spectrum fluoroquinolone antibacterial agent active against most gram-negative and gram-positive bacteria.. pefloxacin : A quinolone that is 4-oxo-1,4-dihydroquinoline which is substituted at positions 1, 3, 6 and 7 by ethyl, carboxy, fluorine, and 4-methylpiperazin-1-yl groups, respectively. | 2.08 | 1 | 0 | fluoroquinolone antibiotic; monocarboxylic acid; N-alkylpiperazine; N-arylpiperazine; quinolone antibiotic; quinolone | antibacterial drug; antiinfective agent; DNA synthesis inhibitor |
alfentanil Alfentanil: A short-acting opioid anesthetic and analgesic derivative of FENTANYL. It produces an early peak analgesic effect and fast recovery of consciousness. Alfentanil is effective as an anesthetic during surgery, for supplementation of analgesia during surgical procedures, and as an analgesic for critically ill patients.. alfentanil : A member of the class of piperidines that is piperidine having a 2-(4-ethyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)ethyl group at the 1-position as well as N-phenylpropanamido- and methoxymethyl groups at the 4-position. | 2.74 | 3 | 0 | monocarboxylic acid amide; piperidines | central nervous system depressant; intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic; peripheral nervous system drug |
fomesafen fomesafen: a protoporphyrinogen oxidase-inhibiting herbicide. fomesafen : An N-sulfonylcarboxamide that is N-(methylsulfonyl)benzamide in which the phenyl ring is substituted by a nitro group at position 2 and a 2-chloro-4-(trifluoromethyl)phenoxy group at position 5. A protoporphyrinogen oxidase inhibitor, it was specially developed for use (generally as the corresponding sodium salt, fomesafen-sodium) for post-emergence control of broad-leaf weeds in soya. | 2.87 | 4 | 0 | aromatic ether; C-nitro compound; monochlorobenzenes; N-sulfonylcarboxamide; organofluorine compound; phenols | agrochemical; EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor; herbicide |
miglustat miglustat: a glucosylceramide synthase inhibitor. miglustat : A hydroxypiperidine that is deoxynojirimycin in which the amino hydrogen is replaced by a butyl group. | 2.05 | 1 | 0 | piperidines; tertiary amino compound | anti-HIV agent; EC 2.4.1.80 (ceramide glucosyltransferase) inhibitor |
cefotetan Cefotetan: A semisynthetic cephamycin antibiotic that is administered intravenously or intramuscularly. The drug is highly resistant to a broad spectrum of beta-lactamases and is active against a wide range of both aerobic and anaerobic gram-positive and gram-negative microorganisms.. cefotetan : A semi-synthetic second-generation cephamycin antibiotic with [(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl, methoxy and {[4-(2-amino-1-carboxy-2-oxoethylidene)-1,3-dithietan-2-yl]carbonyl}amino groups at the 3, 7alpha, and 7beta positions, respectively, of the cephem skeleton. It is resistant to a wide range of beta-lactamases and is active against a broad spectrum of aerobic and anaerobic Gram-positive and Gram-negative microorganisms. | 2.75 | 3 | 0 | | |
lovastatin Lovastatin: A fungal metabolite isolated from cultures of Aspergillus terreus. The compound is a potent anticholesteremic agent. It inhibits 3-hydroxy-3-methylglutaryl coenzyme A reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES), which is the rate-limiting enzyme in cholesterol biosynthesis. It also stimulates the production of low-density lipoprotein receptors in the liver.. lovastatin : A fatty acid ester that is mevastatin carrying an additional methyl group on the carbobicyclic skeleton. It is used in as an anticholesteremic drug and has been found in fungal species such as Aspergillus terreus and Pleurotus ostreatus (oyster mushroom). | 2.47 | 2 | 0 | delta-lactone; fatty acid ester; hexahydronaphthalenes; polyketide; statin (naturally occurring) | anticholesteremic drug; antineoplastic agent; Aspergillus metabolite; prodrug |
flupirtine flupirtine: RN given refers to parent cpd without isomeric designation | 2.08 | 1 | 0 | aminopyridine | |
enoximone Enoximone: A selective phosphodiesterase inhibitor with vasodilating and positive inotropic activity that does not cause changes in myocardial oxygen consumption. It is used in patients with CONGESTIVE HEART FAILURE. | 2.47 | 2 | 0 | aromatic ketone | |
stepronin [no description available] | 2.08 | 1 | 0 | N-acyl-amino acid | |
piritrexim piritrexim: RN given refers to parent cpd; structure given in first source | 2.74 | 3 | 0 | | |
simvastatin Simvastatin: A derivative of LOVASTATIN and potent competitive inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES), which is the rate-limiting enzyme in cholesterol biosynthesis. It may also interfere with steroid hormone production. Due to the induction of hepatic LDL RECEPTORS, it increases breakdown of LDL CHOLESTEROL.. simvastatin : A member of the class of hexahydronaphthalenes that is lovastatin in which the 2-methylbutyrate ester moiety has been replaced by a 2,2-dimethylbutyrate ester group. It is used as a cholesterol-lowering and anti-cardiovascular disease drug. | 2.47 | 2 | 0 | delta-lactone; fatty acid ester; hexahydronaphthalenes; statin (semi-synthetic) | EC 1.1.1.34/EC 1.1.1.88 (hydroxymethylglutaryl-CoA reductase) inhibitor; EC 3.4.24.83 (anthrax lethal factor endopeptidase) inhibitor; ferroptosis inducer; geroprotector; prodrug |
idazoxan Idazoxan: A benzodioxane-linked imidazole that has alpha-2 adrenoceptor antagonist activity.. idazoxan : A benzodioxine that is 2,3-dihydro-1,4-benzodioxine in which one of the hydrogens at position 2 has been replaced by a 4,5-dihydro-1H-imidazol-2-yl group. | 2.08 | 1 | 0 | benzodioxine; imidazolines | alpha-adrenergic antagonist |
remoxipride Remoxipride: An antipsychotic agent that is specific for dopamine D2 receptors. It has been shown to be effective in the treatment of schizophrenia. | 2.08 | 1 | 0 | dimethoxybenzene | |
pravastatin Pravastatin: An antilipemic fungal metabolite isolated from cultures of Nocardia autotrophica. It acts as a competitive inhibitor of HMG CoA reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES).. pravastatin : A carboxylic ester resulting from the formal condensation of (S)-2-methylbutyric acid with the hydroxy group adjacent to the ring junction of (3R,5R)-7-[(1S,2S,6S,8S,8aR)-6,8-dihydroxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic acid. Derived from microbial transformation of mevastatin, pravastatin is a reversible inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA). The sodium salt is used for lowering cholesterol and preventing cardiovascular disease. It is one of the lower potency statins, but has the advantage of fewer side effects compared with lovastatin and simvastatin. | 2.05 | 1 | 0 | 3-hydroxy carboxylic acid; carbobicyclic compound; carboxylic ester; hydroxy monocarboxylic acid; secondary alcohol; statin (semi-synthetic) | anticholesteremic drug; environmental contaminant; metabolite; xenobiotic |
cabergoline Cabergoline: An ergoline derivative and dopamine D2-agonist that inhibits PROLACTIN secretion. It is used in the management of HYPERPROLACTINEMIA, and to suppress lactation following childbirth for medical reasons. Cabergoline is also used in the management of PARKINSON DISEASE.. cabergoline : An N-acylurea that is (8R)-ergoline-8-carboxamide in which the hydrogen attached to the piperidine nitrogen (position 6) is substituted by an allyl group and the hydrogens attached to the carboxamide nitrogen are substituted by a 3-(dimethylamino)propyl group and an N-ethylcarbamoyl group. A dopamine D2 receptor agonist, cabergoline is used in the management of Parkinson's disease and of disorders associated with hyperprolactinaemia. | 2.08 | 1 | 0 | N-acylurea | antineoplastic agent; antiparkinson drug; dopamine agonist |
caracemide [no description available] | 2.04 | 1 | 0 | | |
bambuterol bambuterol: selective inhibitor of butyrylcholinesterase & acetylcholinesterase. bambuterol : A carbamate ester that is terbutaline in which both of the phenolic hydroxy groups have been protected as the corresponding N,N-dimethylcarbamates. A long acting beta-adrenoceptor agonist used in the treatment of asthma, it is a prodrug for terbutaline. | 2.45 | 2 | 0 | carbamate ester; phenylethanolamines | anti-asthmatic drug; beta-adrenergic agonist; bronchodilator agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; prodrug; sympathomimetic agent; tocolytic agent |
atomoxetine hydrochloride Atomoxetine Hydrochloride: A propylamine derivative and selective ADRENERGIC UPTAKE INHIBITOR that is used in the treatment of ATTENTION DEFICIT HYPERACTIVITY DISORDER.. atomoxetine hydrochloride : The hydrochloride salt of atomoxetine. | 2.47 | 2 | 0 | hydrochloride | adrenergic uptake inhibitor; antidepressant |
quinapril Quinapril: A tetrahydroisoquinoline derivative and ANGIOTENSIN CONVERTING ENZYME inhibitor that is used in the treatment of HYPERTENSION and HEART FAILURE.. quinapril : A member of the class of isoquinolines that is (3S)-2-L-alanyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid in which the alpha-amino group of the alanyl residue has been substituted by a 1-ethoxycarbonyl-4-phenylbutan-2-yl group (the all-S isomer). A prodrug for quinaprilat (by hydrolysis of the ethyl ester to the corresponding carboxylic acid), it is used as an angiotensin-converting enzyme inhibitor (ACE inhibitor) used (generally as the hydrochloride salt) for the treatment of hypertension and congestive heart failure. | 2.97 | 4 | 0 | dicarboxylic acid monoester; ethyl ester; isoquinolines; tertiary carboxamide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; prodrug |
gepirone gepirone: RN given refers to parent cpd; structure given in first source | 2.05 | 1 | 0 | N-arylpiperazine | |
mifepristone Mifepristone: A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME. | 2.47 | 2 | 0 | 3-oxo-Delta(4) steroid; acetylenic compound; tertiary amino compound | abortifacient; contraceptive drug; hormone antagonist; synthetic oral contraceptive |
cilazapril, anhydrous Cilazapril: One of the ANGIOTENSIN-CONVERTING ENZYME INHIBITORS (ACE inhibitors) used for hypertension. It is a prodrug that is hydrolyzed after absorption to its main metabolite cilazaprilat.. cilazapril : A pyridazinodiazepine resulting from the formal condensation of the carboxy group of cilazaprilat with ethanol. It is a drug used in the treatment of hypertension and heart failure. | 2.04 | 1 | 0 | dicarboxylic acid monoester; ethyl ester; pyridazinodiazepine | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; prodrug |
salmeterol xinafoate Salmeterol Xinafoate: A selective ADRENERGIC BETA-2 RECEPTOR agonist that functions as a BRONCHODILATOR when administered by inhalation. It is used to manage the symptoms of ASTHMA and CHRONIC OBSTRUCTIVE PULMONARY DISEASE. | 2.47 | 2 | 0 | naphthoic acid | |
finasteride Finasteride: An orally active 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE inhibitor. It is used as a surgical alternative for treatment of benign PROSTATIC HYPERPLASIA.. finasteride : An aza-steroid that is a synthetic drug for the treatment of benign prostatic hyperplasia. | 2.08 | 1 | 0 | 3-oxo steroid; aza-steroid; delta-lactam | androgen antagonist; antihyperplasia drug; EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor |
imiquimod Imiquimod: A topically-applied aminoquinoline immune modulator that induces interferon production. It is used in the treatment of external genital and perianal warts, superficial CARCINOMA, BASAL CELL; and ACTINIC KERATOSIS.. imiquimod : An imidazoquinoline fused [4,5-c] carrying isobutyl and amino substituents at N-1 and C-4 respectively. A prescription medication, it acts as an immune response modifier and is used to treat genital warts, superficial basal cell carcinoma, and actinic keratosis. | 2.08 | 1 | 0 | imidazoquinoline | antineoplastic agent; interferon inducer |
esmolol methyl 3-{4-[2-hydroxy-3-(propan-2-ylamino)propoxy]phenyl}propanoate : A methyl ester that is methyl 3-(4-hydroxyphenyl)propanoate in which the hydrogen attached to the phenolic hydroxy group is substituted by a 2-hydroxy-3-(isopropylamino)propyl group.. esmolol : A racemate comprising equimolar amounts of (R)- and (S)-esmolol. A cardioselective and short-acting beta1 receptor blocker with rapid onset but lacking intrinsic sympathomimetic and membrane-stabilising properties, it is used as the hydrochloride salt in the management of supraventricular arrhythmias, and for the control of hypertension and tachycardia during surgery. While the S enantiomer possesses all of the heart rate control, both enantiomers contribute to lowering blood pressure. | 2.04 | 1 | 0 | aromatic ether; ethanolamines; methyl ester; secondary alcohol; secondary amino compound | |
sertindole sertindole : A phenylindole that is 1H-indole which is substituted on the nitrogen by a p-chlorophenyl group, at position 5 by chlorine, and at position 3 by a piperidin-4-yl group, which is itself substituted on the nitrogen by a 2-(2-oxoimidazolidin-1-yl)ethyl group. | 2.08 | 1 | 0 | heteroarylpiperidine; imidazolidinone; organochlorine compound; organofluorine compound; phenylindole | alpha-adrenergic antagonist; H1-receptor antagonist; second generation antipsychotic; serotonergic antagonist |
adapalene Adapalene: A naphthalene derivative that has specificity for RETINOIC ACID RECEPTORS. It is used as a DERMATOLOGIC AGENT for the treatment of ACNE.. adapalene : A naphthoic acid that is CD437 in which the phenolic hydroxy group has been converted to its methyl ether. | 2.55 | 2 | 0 | adamantanes; monocarboxylic acid; naphthoic acid | dermatologic drug; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor; non-steroidal anti-inflammatory drug |
aromasil [no description available] | 2.08 | 1 | 0 | 17-oxo steroid; 3-oxo-Delta(1),Delta(4)-steroid | antineoplastic agent; EC 1.14.14.14 (aromatase) inhibitor; environmental contaminant; xenobiotic |
sparfloxacin [no description available] | 2.47 | 2 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | |
zileuton [no description available] | 2.47 | 2 | 0 | 1-benzothiophenes; ureas | anti-asthmatic drug; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; ferroptosis inhibitor; leukotriene antagonist; non-steroidal anti-inflammatory drug |
pioglitazone hydrochloride [no description available] | 2.31 | 1 | 0 | aromatic ether | |
clopidogrel Clopidogrel: A ticlopidine analog and platelet purinergic P2Y receptor antagonist that inhibits adenosine diphosphate-mediated PLATELET AGGREGATION. It is used to prevent THROMBOEMBOLISM in patients with ARTERIAL OCCLUSIVE DISEASES; MYOCARDIAL INFARCTION; STROKE; or ATRIAL FIBRILLATION.. clopidogrel : A thienopyridine that is 4,5,6,7-tetrahydrothieno[3,2-c]pyridine in which the hydrogen attached to the nitrogen is replaced by an o-chlorobenzyl group, the methylene hydrogen of which is replaced by a methoxycarbonyl group (the S enantiomer). A P2Y12 receptor antagonist, it is used to inhibit blood clots and prevent heart attacks. | 2.05 | 1 | 0 | methyl ester; monochlorobenzenes; thienopyridine | anticoagulant; P2Y12 receptor antagonist; platelet aggregation inhibitor |
cidofovir anhydrous Cidofovir: An acyclic nucleoside phosphonate that acts as a competitive inhibitor of viral DNA polymerases. It is used in the treatment of RETINITIS caused by CYTOMEGALOVIRUS INFECTIONS and may also be useful for treating HERPESVIRUS INFECTIONS.. cidofovir anhydrous : Cytosine substituted at the 1 position by a 3-hydroxy-2-(phosphonomethoxy)propyl group (S configuration). A nucleoside analogue, it is an injectable antiviral used for the treatment of cytomegalovirus (CMV) retinitis in AIDS patients. | 2.47 | 2 | 0 | phosphonic acids; pyrimidone | anti-HIV agent; antineoplastic agent; antiviral drug; photosensitizing agent |
tiagabine Tiagabine: A nipecotic acid derivative that acts as a GABA uptake inhibitor and anticonvulsant agent. It is used in the treatment of EPILEPSY, for refractory PARTIAL SEIZURES.. tiagabine : A piperidinemonocarboxylic acid that is (R)-nipecotic acid in which the hydrogen attached to the nitrogen has been replaced by a 1,1-bis(3-methyl-2-thienyl)but-1-en-4-yl group. A GABA reuptake inhibitor, it is used (generally as the hydrochloride salt) for the treatment of epilepsy. | 2.04 | 1 | 0 | beta-amino acid; piperidinemonocarboxylic acid; tertiary amino compound; thiophenes | anticonvulsant; GABA reuptake inhibitor |
bromfenac bromfenac: bromfenac sodium is the active cpd; structure in first source. bromfenac : Amfenac in which the the hydrogen at the 4 position of the benzoyl group is substituted by bromine. It is used for the management of ocular pain and treatment of postoperative inflammation in patients who have undergone cataract extraction. It was withdrawn from the US market in 1998, following concerns over off-label abuse and hepatic failure. | 2.47 | 2 | 0 | aromatic amino acid; benzophenones; organobromine compound; substituted aniline | non-narcotic analgesic; non-steroidal anti-inflammatory drug |
gemcitabine hydrochloride [no description available] | 2.08 | 1 | 0 | hydrochloride; organofluorine compound | anticoronaviral agent; antimetabolite; antineoplastic agent; antiviral drug; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; immunosuppressive agent; radiosensitizing agent |
aripiprazole Aripiprazole: A piperazine and quinolone derivative that is used primarily as an antipsychotic agent. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A. It is used for the treatment of SCHIZOPHRENIA and BIPOLAR DISORDER, and as an adjunct therapy for the treatment of depression.. aripiprazole : An N-arylpiperazine that is piperazine substituted by a 4-[(2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy]butyl group at position 1 and by a 2,3-dichlorophenyl group at position 4. It is an antipsychotic drug used for the treatment of Schizophrenia, and other mood disorders. | 2.55 | 2 | 0 | aromatic ether; delta-lactam; dichlorobenzene; N-alkylpiperazine; N-arylpiperazine; quinolone | drug metabolite; H1-receptor antagonist; second generation antipsychotic; serotonergic agonist |
atorvastatin calcium anhydrous [no description available] | 2.08 | 1 | 0 | organic calcium salt | |
atorvastatin [no description available] | 2.05 | 1 | 0 | aromatic amide; dihydroxy monocarboxylic acid; monofluorobenzenes; pyrroles; statin (synthetic) | environmental contaminant; xenobiotic |
lamivudine [no description available] | 2.75 | 3 | 0 | monothioacetal; nucleoside analogue; oxacycle; primary alcohol | allergen; anti-HBV agent; antiviral drug; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor; HIV-1 reverse transcriptase inhibitor; prodrug |
duloxetine hydrochloride Duloxetine Hydrochloride: A thiophene derivative and selective NEUROTRANSMITTER UPTAKE INHIBITOR for SEROTONIN and NORADRENALINE (SNRI). It is an ANTIDEPRESSIVE AGENT and ANXIOLYTIC, and is also used for the treatment of pain in patients with DIABETES MELLITUS and FIBROMYALGIA.. (S)-duloxetine hydrochloride : A duloxetine hydrochloride in which the duloxetine moiety has S configuration. | 2.08 | 1 | 0 | duloxetine hydrochloride | antidepressant |
duloxetine [no description available] | 2.05 | 1 | 0 | duloxetine | |
irinotecan [no description available] | 2.05 | 1 | 0 | carbamate ester; delta-lactone; N-acylpiperidine; pyranoindolizinoquinoline; ring assembly; tertiary alcohol; tertiary amino compound | antineoplastic agent; apoptosis inducer; EC 5.99.1.2 (DNA topoisomerase) inhibitor; prodrug |
valsartan Valsartan: A tetrazole derivative and ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKER that is used to treat HYPERTENSION.. valsartan : A monocarboxylic acid amide consisting of L-valine in which the amino hydrogens have been replaced by a pentanoyl and a [2'-(1H-tetrazol-5-yl)biphenyl]-4-yl]methyl group. It exhibits antihypertensive activity. | 2.47 | 2 | 0 | biphenylyltetrazole; monocarboxylic acid amide; monocarboxylic acid | angiotensin receptor antagonist; antihypertensive agent; environmental contaminant; xenobiotic |
ibandronic acid Ibandronic Acid: Aminobisphosphonate that is a potent inhibitor of BONE RESORPTION. It is used in the treatment of HYPERCALCEMIA associated with malignancy, for the prevention of fracture and bone complications in patients with breast cancer and bone metastases, and for the treatment and prevention of POSTMENOPAUSAL OSTEOPOROSIS. | 2.05 | 1 | 0 | | |
ziprasidone ziprasidone: a benzisothiazoylpiperazine derivative; has combined dopamine and serotonin receptor antagonist activity; structurally related to tiospirone. ziprasidone : A piperazine compound having 1,2-benzothiazol-3-yl- and 2-(6-chloro-1,3-dihydro-2-oxindol-5-yl)ethyl substituents attached to the nitrogen atoms. | 2.04 | 1 | 0 | 1,2-benzisothiazole; indolones; organochlorine compound; piperazines | antipsychotic agent; dopaminergic antagonist; histamine antagonist; muscarinic antagonist; psychotropic drug; serotonergic antagonist |
zolmitriptan zolmitriptan: an antimigraine compound; a serotonin (5HT)-1D receptor agonist. zolmitriptan : A member of the class of tryptamines that is N,N-dimethyltryptamine in which the hydrogen at position 5 of the indole ring has been replaced by a [(4S)-2-oxo-1,3-oxazolidin-4-yl]methyl group. A serotonin 5-HT1 B and D receptor agonist, it is used for the treatment of migraine. | 2.08 | 1 | 0 | oxazolidinone; tryptamines | anti-inflammatory drug; serotonergic agonist; vasoconstrictor agent |
3-iodobenzylguanidine 3-Iodobenzylguanidine: A guanidine analog with specific affinity for tissues of the sympathetic nervous system and related tumors. The radiolabeled forms are used as antineoplastic agents and radioactive imaging agents. (Merck Index, 12th ed) MIBG serves as a neuron-blocking agent which has a strong affinity for, and retention in, the adrenal medulla and also inhibits ADP-ribosyltransferase. | 2.03 | 1 | 0 | organoiodine compound | |
adefovir dipivoxil bis(pivaloyloxymethyl)-9-(2-phosphonylmethoxyethyl)adenine: structure given in first source. adefovir pivoxil : An organic phosphonate that is the dipivoxil ester of adefovir. A prodrug for adefovir, an HIV-1 reverse transcriptase inhibitor, adefovir pivoxil is used to treat chronic hepatitis B viral infection. | 2.47 | 2 | 0 | 6-aminopurines; carbonate ester; ether; organic phosphonate | antiviral drug; DNA synthesis inhibitor; HIV-1 reverse transcriptase inhibitor; nephrotoxic agent; prodrug |
emtricitabine Emtricitabine: A deoxycytidine analog and REVERSE TRANSCRIPTASE INHIBITOR with antiviral activity against HIV-1 and HEPATITIS B viruses. It is used to treat HIV INFECTIONS.. emtricitabine : An organofluorine compound that is 5-fluorocytosine substituted at the 1 position by a 2-(hydroxymethyl)-1,3-oxathiolan-5-yl group (2R,5S configuration). It is used in combination therapy for the treatment of HIV-1 infection. | 2.08 | 1 | 0 | monothioacetal; nucleoside analogue; organofluorine compound; pyrimidone | antiviral drug; HIV-1 reverse transcriptase inhibitor |
capecitabine Capecitabine: A deoxycytidine derivative and fluorouracil PRODRUG that is used as an ANTINEOPLASTIC ANTIMETABOLITE in the treatment of COLON CANCER; BREAST CANCER and GASTRIC CANCER.. capecitabine : A carbamate ester that is cytidine in which the hydrogen at position 5 is replaced by fluorine and in which the amino group attached to position 4 is converted into its N-(penyloxy)carbonyl derivative. Capecitabine is a antineoplastic agent used in the treatment of cancers. | 2.05 | 1 | 0 | carbamate ester; cytidines; organofluorine compound | antimetabolite; antineoplastic agent; prodrug |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.45 | 2 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
2,5-bis(1-aziridinyl)-3,6-bis(2-methoxyethoxy)-4-benzoquinone 2,5-bis(1-aziridinyl)-3,6-bis(2-methoxyethoxy)-4-benzoquinone: structure | 2.04 | 1 | 0 | 1,4-benzoquinones | |
gallium nitrate gallium nitrate: RN given refers to parent cpd | 2.25 | 1 | 0 | | |
morzid morzid: structure | 2.04 | 1 | 0 | morpholines | |
paroxetine hydrochloride paroxetine hydrochloride : The hydrochloride salt of paroxetine. It is an antidepressant drug. | 2.08 | 1 | 0 | hydrochloride | antidepressant; anxiolytic drug; hepatotoxic agent; P450 inhibitor; serotonin uptake inhibitor |
bupropion hydrochloride [no description available] | 2.08 | 1 | 0 | aromatic ketone | |
halofuginone [no description available] | 2.05 | 1 | 0 | quinazolines | |
trazodone hydrochloride Triticum: A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS.. trazodone hydrochloride : A hydrochloride salt prepared from equimolar amounts of trazodone and hydrogen chloride. | 2.08 | 1 | 0 | hydrochloride | adrenergic antagonist; antidepressant; H1-receptor antagonist; sedative; serotonin uptake inhibitor |
ortho-cept ethinyl estradiol-desogestrel combination: Ethinyl Estradiol and Desogestrell given in fixed proportions; has proved to be an effective & well-tolerated oral contraceptive, which improves cycle control & has a beneficial effect on acne | 2.05 | 1 | 0 | | |
trovafloxacin trovafloxacin: a trifluoronaphthyridone derivative of 7-(3-azabicyclo(3.1.0)hexyl)naphthyridone; has antineoplastic activity. trovafloxacin : A 1,8-naphthyridine derivative that is 4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid bearing additional 2,4-difluorophenyl, fluoro and 6-amino-3-azabicyclo[3.1.0]hex-3-yl substituents at positions 1, 6 and 7 respectively. A broad-spectrum antibiotic that was withdrawn from the market due to risk of liver failure. | 2.05 | 1 | 0 | | |
cefprozil [no description available] | 2.05 | 1 | 0 | cephalosporin; semisynthetic derivative | antibacterial drug |
doxazosin mesylate Cardura: Trade name in United States. | 2.08 | 1 | 0 | methanesulfonate salt | geroprotector |
4-[1-[4-[2-(dimethylamino)ethoxy]phenyl]-2-phenylbut-1-enyl]phenol [no description available] | 2.05 | 1 | 0 | stilbenoid | |
febrifugine febrifugine: antimalarials; structure | 2.04 | 1 | 0 | quinazolines | |
efavirenz efavirenz: HIV-1 reverse transcriptase inhibitor. efavirenz : 1,4-Dihydro-2H-3,1-benzoxazin-2-one substituted at the 4 position by cyclopropylethynyl and trifluoromethyl groups (S configuration) and at the 6 position by chlorine. A non-nucleoside reverse transcriptase inhibitor with activity against HIV, it is used with other antiretrovirals for combination therapy of HIV infection. | 2.47 | 2 | 0 | acetylenic compound; benzoxazine; cyclopropanes; organochlorine compound; organofluorine compound | antiviral drug; HIV-1 reverse transcriptase inhibitor |
nelfinavir Nelfinavir: A potent HIV protease inhibitor. It is used in combination with other antiviral drugs in the treatment of HIV in both adults and children.. nelfinavir : An aryl sulfide that is used (as its mesylate salt) for treatment of HIV and also exhibits some anticancer properties. | 2.47 | 2 | 0 | aryl sulfide; benzamides; organic heterobicyclic compound; phenols; secondary alcohol; tertiary amino compound | antineoplastic agent; HIV protease inhibitor |
doxapram hydrochloride [no description available] | 2.05 | 1 | 0 | hydrochloride | central nervous system stimulant |
mevastatin mevastatin: antifungal metabolite from Penicillium brevicopactum; potent inhibitory activity to sterol synthesis; structure. mevastatin : A carboxylic ester that is pravastatin that is lacking the allylic hydroxy group. A hydroxymethylglutaryl-CoA reductase inhibitor (statin) isolated from Penicillium citrinum and from Penicillium brevicompactum, its clinical use as a lipid-regulating drug ceased following reports of toxicity in animals. | 2.08 | 1 | 0 | 2-pyranones; carboxylic ester; hexahydronaphthalenes; polyketide; statin (naturally occurring) | antifungal agent; apoptosis inducer; EC 3.4.24.83 (anthrax lethal factor endopeptidase) inhibitor; fungal metabolite; Penicillium metabolite |
bupivacaine hydrochloride bupivacaine hydrochloride (anhydrous) : A racemate composed of equimolar amounts of dextrobupivacaine hydrochloride and levobupivacaine hydrochloride. The monohydrate form is commonly used as a local anaesthetic.. 1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide hydrochloride : A hydrochloride obtained by combining 1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide with one molar equivalent of hydrochloric acid. | 2.08 | 1 | 0 | hydrochloride; racemate | adrenergic antagonist; amphiphile; EC 3.1.1.8 (cholinesterase) inhibitor; EC 3.6.3.8 (Ca(2+)-transporting ATPase) inhibitor; local anaesthetic |
ursolic acid [no description available] | 2.05 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | geroprotector; plant metabolite |
propamidine propamidine: structure given in first source. propamidine : A polyether that is the bis(4-guanidinophenyl) ether of propane-1,3-diol. Used (as its isethionate salt) for the treatment of minor eye or eyelid infections, such as conjunctivitis and blepharitis. | 2.05 | 1 | 0 | aromatic ether; guanidines; polyether | antimicrobial agent; antiseptic drug |
1,5-anhydroglucitol 1,5-anhydroglucitol: structure. 1,5-anhydro-D-glucitol : An anhydro sugar of D-glucitol. | 2.05 | 1 | 0 | anhydro sugar | human metabolite |
betulinic acid [no description available] | 2.05 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | anti-HIV agent; anti-inflammatory agent; antimalarial; antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; plant metabolite |
plerixafor plerixafor: a bicyclam derivate, highly potent & selective inhibitor of HIV-1 & HIV-2. plerixafor : An azamacrocycle consisting of two cyclam rings connected by a 1,4-phenylenebis(methylene) linker. It is a CXCR4 chemokine receptor antagonist and a hematopoietic stem cell mobilizer. It is used in combination with grulocyte-colony stimulating factor (G-CSF) to mobilize hematopoietic stem cells to the perpheral blood for collection and subsequent autologous transplantation in patients with non-Hodgkin's lymphoma and multiple myeloma. | 2.73 | 3 | 0 | azacycloalkane; azamacrocycle; benzenes; crown amine; secondary amino compound; tertiary amino compound | anti-HIV agent; antineoplastic agent; C-X-C chemokine receptor type 4 antagonist; immunological adjuvant |
amprenavir [no description available] | 2.47 | 2 | 0 | carbamate ester; sulfonamide; tetrahydrofuryl ester | antiviral drug; HIV protease inhibitor |
thionine thionine: do not confuse with the thionins which is a class of polypeptides; RN above is for the chloride;. thionine : An organic chloride salt composed of 3,7-diaminophenothiazin-5-ium and chloride ions in a 1:1 ratio. A strongly metachromatic dye, useful for the staining of acid mucopolysaccharides. It is also a common nuclear stain and can be used for the demonstration of Nissl substance in nerve cells of the CNS. | 3.18 | 1 | 0 | | |
thymine arabinoside thymine arabinoside: selectively inhibits replication of herpes simplex virus | 2.04 | 1 | 0 | N-glycosyl compound | |
epigallocatechin gallate epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 4.84 | 3 | 0 | flavans; gallate ester; polyphenol | antineoplastic agent; antioxidant; apoptosis inducer; geroprotector; Hsp90 inhibitor; neuroprotective agent; plant metabolite |
psicofuranine [no description available] | 2.04 | 1 | 0 | psicose derivative; purine nucleoside | |
ticlopidine hydrochloride [no description available] | 2.08 | 1 | 0 | hydrochloride | |
epirubicin hydrochloride [no description available] | 2.08 | 1 | 0 | | |
pyrrolidine dithiocarbamate pyrrolidine dithiocarbamic acid: spelled pyrolidine in J Nutr 1979 reference; RN given refers to parent cpd. pyrrolidine dithiocarbamate : A member of the class of dithiocarbamic acids that is the N-dithiocarboxy derivative of pyrrolidine. | 8.53 | 2 | 0 | dithiocarbamic acids; pyrrolidines | anticonvulsant; antineoplastic agent; geroprotector; neuroprotective agent; NF-kappaB inhibitor; radical scavenger |
glutathione disulfide Glutathione Disulfide: A GLUTATHIONE dimer formed by a disulfide bond between the cysteine sulfhydryl side chains during the course of being oxidized. | 2.05 | 1 | 0 | glutathione derivative; organic disulfide | Escherichia coli metabolite; mouse metabolite |
triciribine [no description available] | 2.04 | 1 | 0 | nucleoside analogue | EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor |
sinefungin [no description available] | 2.05 | 1 | 0 | adenosines; non-proteinogenic alpha-amino acid | antifungal agent; antimicrobial agent |
5-chloro-2'-deoxyuridine [no description available] | 2.04 | 1 | 0 | | |
tilbroquinol [no description available] | 1.96 | 1 | 0 | organohalogen compound; quinolines | |
bendamustine [no description available] | 2.45 | 2 | 0 | benzimidazoles | |
erdosteine [no description available] | 2.05 | 1 | 0 | N-acyl-amino acid | |
droxicam droxicam: structure given in first source. droxicam : An organic heterotricyclic compound that is 2H,5H-[1,3]oxazino[5,6-c][1,2]benzothiazine-2,4(3H)-dione 6,6-dioxide substituted at positions 3 and 5 by pyridin-2-yl and methyl groups respectively. A prodrug of piroxicam, it is used for the relief of pain and inflammation in musculoskeletal disorders such as rheumatoid arthritis and osteoarthritis. | 2.05 | 1 | 0 | organic heterotricyclic compound; pyridines | cyclooxygenase 1 inhibitor; hepatotoxic agent; non-narcotic analgesic; non-steroidal anti-inflammatory drug; platelet aggregation inhibitor; prodrug |
trofosfamide trofosfamide: cyclophosphamide analog; structure | 2.04 | 1 | 0 | ifosfamides | |
ceftezole ceftezole: RN given refers to (6R-(trans))-isomer; structure. ceftezole : A first-generation cephalosporin antibiotic having (1,3,4-thiadiazol-2-ylsulfanyl)methyl and [2-(1H-tetrazol-1-yl)acetamido side groups located at positions 3 and 7 respectively. | 2.04 | 1 | 0 | cephalosporin; thiadiazoles | |
4-aminobenzoic acid-n-xyloside 4-aminobenzoic acid-N-xyloside: K 247 refers to Na salt; RN given refers to (D)-isomer | 2.04 | 1 | 0 | | |
etofibrate etofibrate: analog of clofibrate with nicotinic acid substituted on the 2-carbon of the ethyl ester group; structure; RN given refers to parent cpd | 2.05 | 1 | 0 | monocarboxylic acid | |
fotrin fotrin: ethyleneamine derivative; antineoplastic; Russian drug; structure | 2.04 | 1 | 0 | | |
sufosfamide sufosfamide: stronger immunosuppressive activity than cyclophosphamide; structure | 2.04 | 1 | 0 | | |
lercanidipine [no description available] | 2.31 | 1 | 0 | diarylmethane | |
mizolastine [no description available] | 2.05 | 1 | 0 | benzimidazoles | |
intoplicine intoplicine: structure in first source | 2.05 | 1 | 0 | pyridoindole | |
pazufloxacin [no description available] | 2.08 | 1 | 0 | quinolines | |
repaglinide [no description available] | 2.08 | 1 | 0 | piperidines | |
telmisartan Telmisartan: A biphenyl compound and benzimidazole derivative that acts as an angiotensin II type 1 receptor antagonist. It is used in the management of HYPERTENSION.. telmisartan : A member of the class of benzimidazoles used widely in the treatment of hypertension. | 2.47 | 2 | 0 | benzimidazoles; biphenyls; carboxybiphenyl | angiotensin receptor antagonist; antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; environmental contaminant; xenobiotic |
hexestrol bis(diethylaminoethyl ether) hexestrol bis(diethylaminoethyl ether): minor descriptor (75-84); on-line & Index Medicus search HEXESTROL/AA (75-84); RN given refers to parent cpd without isomeric designation | 2.04 | 1 | 0 | stilbenoid | |
propatyl nitrate propatyl nitrate: structure given in first source | 2.04 | 1 | 0 | nitrate ester | |
dexfenfluramine Dexfenfluramine: The S-isomer of FENFLURAMINE. It is a serotonin agonist and is used as an anorectic. Unlike fenfluramine, it does not possess any catecholamine agonist activity.. (S)-fenfluramine : The S-enantiomer of fenfluramine. It stimulates the release of serotonin and selectively inhibits its reuptake, but unlike fenfluramine it does not possess catecholamine agonist activity. It was formerly given by mouth as the hydrochloride in the treatment of obesity, but, like fenfluramine, was withdrawn wolrdwide following reports of valvular heart defects. | 2.74 | 3 | 0 | fenfluramine | appetite depressant; serotonergic agonist; serotonin uptake inhibitor |
2-methoxyestradiol 2-methoxy-17beta-estradiol : A 17beta-hydroxy steroid, being 17beta-estradiol methoxylated at C-2. | 2.05 | 1 | 0 | 17beta-hydroxy steroid; 3-hydroxy steroid | angiogenesis modulating agent; antimitotic; antineoplastic agent; human metabolite; metabolite; mouse metabolite |
sulfamidochrysoidine sulfamidochrysoidine: RN given refers to parent cpd; structure. prontosil : A diphenyldiazene compound having two amino substituents at the 2- and 4-positions and an aminosulphonyl substituent at the 4'-position. It was the first antibacterial drug, (introduced 1935) and the first of the sulfonamide antibiotics. | 2.04 | 1 | 0 | | |
synthalin a synthalin A: RN given refers to parent cpd; structure. synthalin : A hydrochloride resulting from the reaction of decamethylenediguanidine with 2 mol eq. of hydrogen chloride.. synthalin A : A member of the class of guanidines that is decane having guanidino groups at the 1- and 10-positions. | 2.05 | 1 | 0 | guanidines | hepatotoxic agent; hypoglycemic agent; nephrotoxin |
4,7-phenanthroline [no description available] | 1.93 | 1 | 0 | phenanthroline | |
1,7-phenanthroline [no description available] | 8.57 | 68 | 7 | phenanthroline | |
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.21 | 1 | 0 | 1,2,3-triazole | |
iodophthalein iodophthalein: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | | |
2,3-trimethylene-4-quinazolone 2,3-trimethylene-4-quinazolone: structure in first source | 2.72 | 2 | 0 | quinazolines | |
miconazole nitrate miconazole nitrate : A racemate composed of equimolar amounts of (R)- and (S)-miconazole nitrate. An antifungal used for the treatment of athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. | 2.08 | 1 | 0 | | |
ibopamine ibopamine: structure given in UD 31;67a & in 2nd source | 2.45 | 2 | 0 | benzoate ester; phenols | |
disobutamide [no description available] | 2.04 | 1 | 0 | acetamides | |
medetomidine Medetomidine: An agonist of RECEPTORS, ADRENERGIC ALPHA-2 that is used in veterinary medicine for its analgesic and sedative properties. It is the racemate of DEXMEDETOMIDINE. | 2.05 | 1 | 0 | imidazoles | |
sertraline Sertraline: A selective serotonin uptake inhibitor that is used in the treatment of depression.. sertraline : A member of the class of tetralins that is tetralin which is substituted at positions 1 and 4 by a methylamino and a 3,4-dichlorophenyl group, respectively (the S,S diastereoisomer). A selective serotonin-reuptake inhibitor (SSRI), it is administered orally as the hydrochloride salt as an antidepressant for the treatment of depression, obsessive-compulsive disorder, panic disorder and post-traumatic stress disorder. | 2.45 | 2 | 0 | dichlorobenzene; secondary amino compound; tetralins | antidepressant; serotonin uptake inhibitor |
picosulfate sodium picosulfate sodium: contains two active ingredients, sodium picosulfate and magnesium citrate, which are both laxatives; structure | 2.05 | 1 | 0 | aryl sulfate; pyridines | |
pumitepa pumitepa: structure; RN given refers to unlabeled cpd | 2.04 | 1 | 0 | | |
zoledronic acid Zoledronic Acid: An imidobisphosphonate inhibitor of BONE RESORPTION that is used for the treatment of malignancy-related HYPERCALCEMIA; OSTEITIS DEFORMANS; and OSTEOPOROSIS.. zoledronic acid : An imidazole compound having a 2,2-bis(phosphono)-2-hydroxyethane-1-yl substituent at the 1-position. | 2.47 | 2 | 0 | 1,1-bis(phosphonic acid); imidazoles | bone density conservation agent |
pirlindole pirlindole: RN given refers to parent cpd; synonym pyrazidol refers to mono-HCl; structure in Negwer, 5th ed, #2812 | 2.05 | 1 | 0 | carbazoles | |
elmustine elmustine: structure | 2.04 | 1 | 0 | | |
artemisinin (+)-artemisinin : A sesquiterpene lactone obtained from sweet wormwood, Artemisia annua, which is used as an antimalarial for the treatment of multi-drug resistant strains of falciparum malaria. | 3.61 | 2 | 0 | organic peroxide; sesquiterpene lactone | antimalarial; plant metabolite |
brinzolamide brinzolamide: an antiglaucoma agent | 2.08 | 1 | 0 | sulfonamide; thienothiazine | antiglaucoma drug; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
dienogest [no description available] | 2.05 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; aliphatic nitrile; steroid hormone | progesterone receptor agonist; progestin; synthetic oral contraceptive |
drospirenone drospirenone: a progestational compound with antimineralocorticoid and antiandrogenic activity; structure given in first source | 2.08 | 1 | 0 | 3-oxo-Delta(4) steroid; steroid lactone | aldosterone antagonist; contraceptive drug; progestin |
forphenicinol [no description available] | 2.04 | 1 | 0 | | |
artemether Artemether: An artemisinin derivative that is used in the treatment of MALARIA.. artemether : An artemisinin derivative that is artemisinin in which the lactone has been converted to the corresponding lactol methyl ether. It is used in combination with lumefantrine as an antimalarial for the treatment of multi-drug resistant strains of falciparum malaria. | 3.88 | 3 | 0 | artemisinin derivative; cyclic acetal; organic peroxide; semisynthetic derivative; sesquiterpenoid | antimalarial |
dracorhodin dracorhodin: no other info available 8/89 | 2.31 | 1 | 0 | | |
morphazinamide morphazinamide: RN given refers to parent cpd; RN in Chemline for mono-HCL: 1473-73-0; structure in Merck Index | 2.05 | 1 | 0 | morpholines; pyrazines; secondary carboxamide | |
2,3,4-trihydroxbenzophenone 2,3,4-trihydroxbenzophenone : A benzenetriol that is benzophenone in which one of the phenyl groups is substituted by hydroxy groups at positions 2, 3, and 4. It is a redox mediator. | 3.18 | 1 | 0 | benzenetriol; hydroxybenzophenone | drug metabolite; EC 1.14.18.1 (tyrosinase) inhibitor; human urinary metabolite; quorum sensing inhibitor; rat metabolite |
dipropylacetamide dipropylacetamide: structure. valpromide : A fatty amide derived from valproic acid. | 2.44 | 2 | 0 | fatty amide | geroprotector; metabolite; teratogenic agent |
5-methyl-8-hydroxyquinoline 5-methyl-8-hydroxyquinoline: RN given refers to parent cpd; structure in first source & in Negwer, 5th ed, #1202 | 2.36 | 2 | 0 | hydroxyquinoline | |
6-amino-1-hydroxyhexane-1,1-diphosphonate 6-amino-1-hydroxyhexane-1,1-diphosphonate: used for therapy of Paget's disease of bone & malignant hypercalcaemia | 2.05 | 1 | 0 | 1,1-bis(phosphonic acid) | |
uk 68798 [no description available] | 2.08 | 1 | 0 | aromatic ether; sulfonamide; tertiary amino compound | anti-arrhythmia drug; potassium channel blocker |
hp 873 iloperidone: an atypical, negative symptom antipsychotic agent. iloperidone : A member of the class of piperidines that is the 4-acetyl-2-methoxyphenyl ether of 3-(piperidin-1-yl)propan-1-ol which is substituted at position 4 of the piperidine ring by a 6-fluoro-1,2-benzoxazol-3-yl group. A member of the group of second generation antipsychotics (also known as an atypical antipsychotics), it is used for the treatment of schizophrenia. | 2.08 | 1 | 0 | 1,2-benzoxazoles; aromatic ether; aromatic ketone; methyl ketone; monoamine; organofluorine compound; piperidines; tertiary amino compound | dopaminergic antagonist; second generation antipsychotic; serotonergic antagonist |
dexrazoxane Dexrazoxane: The (+)-enantiomorph of razoxane. | 2.05 | 1 | 0 | razoxane | antineoplastic agent; cardiovascular drug; chelator; immunosuppressive agent |
loxapine succinate [no description available] | 2.08 | 1 | 0 | succinate salt | geroprotector |
voriconazole Voriconazole: A triazole antifungal agent that specifically inhibits STEROL 14-ALPHA-DEMETHYLASE and CYTOCHROME P-450 CYP3A.. voriconazole : A triazole-based antifungal agent used for the treatment of esophageal candidiasis, invasive pulmonary aspergillosis, and serious fungal infections caused by Scedosporium apiospermum and Fusarium spp. It is an inhibitor of cytochrome P450 2C9 (CYP2C9) and CYP3A4. | 2.79 | 3 | 0 | conazole antifungal drug; difluorobenzene; pyrimidines; tertiary alcohol; triazole antifungal drug | P450 inhibitor |
inproquone inproquone: major descriptor (78-80); replaced major descriptor Bayer E39 (63-77); on-line search AZIRINES (66-80); Index Medicus search Bayer E39 (63-77), INPROQUONE (78-80) | 2.04 | 1 | 0 | | |
betamipron [no description available] | 2.08 | 1 | 0 | organonitrogen compound; organooxygen compound | |
rexigen clobenzorex: RN given refers to (+)-isomer; structure | 2.05 | 1 | 0 | | |
uroxatral [no description available] | 2.08 | 1 | 0 | hydrochloride | |
buparvaquone buparvaquone: used in therapy of theileriasis; structure given in first source | 2.31 | 1 | 0 | | |
aceclofenac [no description available] | 2.47 | 2 | 0 | amino acid; carboxylic ester; dichlorobenzene; monocarboxylic acid; secondary amino compound | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
secnidazole [no description available] | 8.35 | 1 | 1 | C-nitro compound; imidazoles; secondary alcohol | epitope |
clociguanil clociguanil: RN given refers to parent cpd; structure | 2.45 | 2 | 0 | | |
tebuquine [no description available] | 2.05 | 1 | 0 | | |
cyclobutyrol cyclobutyrol: RN given refers to parent cpd; structure. cyclobutyrol : A hydroxy monocarboxylic acid in which the hydroxy group is geminal to a 1-carboxypropyl group on a cyclohexane ring. | 2.05 | 1 | 0 | hydroxy monocarboxylic acid | bile therapy drug |
thiocolchicoside [no description available] | 2.08 | 1 | 0 | glycoside | |
terlipressin terlivaz: first FDA approved injection to improve kidney function in adults with hepatorenal syndrome (HRS) with rapid reduction in kidney function. | 2.05 | 1 | 0 | polypeptide | |
epicatechin (-)-epicatechin : A catechin with (2R,3R)-configuration. | 3.18 | 1 | 0 | catechin; polyphenol | antioxidant |
gallocatechol (-)-epigallocatechin : A flavan-3,3',4',5,5',7-hexol having (2R,3R)-configuration. | 2.31 | 1 | 0 | catechin; flavan-3,3',4',5,5',7-hexol | antioxidant; food component; plant metabolite |
magnolol [no description available] | 3.25 | 1 | 0 | biphenyls | |
honokiol [no description available] | 3.25 | 1 | 0 | biphenyls | |
isoflavone [no description available] | 2.05 | 1 | 0 | isoflavones | |
clevudine [no description available] | 2.05 | 1 | 0 | | |
lividomycin [no description available] | 2.04 | 1 | 0 | lividomycins | metabolite |
gentamicin c1 [no description available] | 2.04 | 1 | 0 | | |
2-(4'-methylpiperazino-1-methyl)-1,3-diazafluoranthene 1-oxide 2-(4'-methylpiperazino-1-methyl)-1,3-diazafluoranthene 1-oxide: structure | 2.04 | 1 | 0 | | |
neplanocin a neplanocin A: neplanocins are antitumor antibiotics & carbocyclic analogs of purine nucleosides from Ampullarilla regularis A11079; see also neplanocin B, neplanocin C, neplanocin D & neplanocin F; structure in first source; a potent inhibitor of S-adenosylhomocysteine hydrolase | 2.04 | 1 | 0 | | |
tetrandrine tetrandrine: a bisbenzylisoquinoline that exhibits antifibrogenic activity | 3.59 | 2 | 0 | bisbenzylisoquinoline alkaloid; isoquinolines | |
doripenem Doripenem: A carbapenem derivative antibacterial agent that is more stable to renal dehydropeptidase I than IMIPENEM, but does not need to be given with an enzyme inhibitor such as CILASTATIN. It is used in the treatment of infections such as HOSPITAL-ACQUIRED PNEUMONIA, and complicated intra-abdominal or urinary-tract infections, including PYELONEPHRITIS. | 2.08 | 1 | 0 | carbapenems | |
8-hydroxy-2-quinolinecarboxylic acid [no description available] | 2.15 | 1 | 0 | quinolines | |
2-(salicylideneamino)phenol 2-(salicylideneamino)phenol: structure given in first source | 2.1 | 1 | 0 | | |
atovaquone Atovaquone: A hydroxynaphthoquinone that has antimicrobial activity and is being used in antimalarial protocols.. atovaquone : A naphthoquinone compound having a 4-(4-chlorophenyl)cyclohexyl group at the 2-position and a hydroxy substituent at the 3-position. | 2.05 | 1 | 0 | hydroxy-1,2-naphthoquinone | |
octadecyl palmitate octadecyl palmitate: found in psoriatic nail, but not in normal nails. stearyl palmitate : A palmitate ester resulting from the formal condensation of the carboxy group of palmitic acid with the hydroxy group of stearyl alcohol. | 2.88 | 4 | 0 | hexadecanoate ester; wax ester | coral metabolite; cosmetic |
n-desmethylflunitrazepam [no description available] | 1.95 | 1 | 0 | | |
7-bromo-5-phenyl-1,2-dihydro-2h-1,4-benzodiazepin-2-one 7-bromo-5-phenyl-1,2-dihydro-2H-1,4-benzodiazepin-2-one: RN given refers to unlabeled parent cpd | 1.95 | 1 | 0 | | |
2-chlorodiazepam [no description available] | 1.95 | 1 | 0 | | |
1-ethoxysilatrane [no description available] | 2.04 | 1 | 0 | | |
3-acetylcoumarin 3-acetylcoumarin: structure given in first source. 3-acetylcoumarin : A member of the class of coumarins that is coumarin in which the hydrogen at position 3 is replaced by an acetyl group. | 2.13 | 1 | 0 | coumarins | |
rivastigmine [no description available] | 2.21 | 1 | 0 | carbamate ester; tertiary amino compound | cholinergic drug; EC 3.1.1.8 (cholinesterase) inhibitor; neuroprotective agent |
rosiglitazone [no description available] | 2.47 | 2 | 0 | aminopyridine; thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; insulin-sensitizing drug |
tamiflu [no description available] | 2.08 | 1 | 0 | phosphate salt | |
cryptolepine cryptolepine: fused indole-quinoline; structure in first source; from CRYPTOLEPIS sanguinolenta. cryptolepine : An organic heterotetracyclic compound that is 5H-indolo[3,2-b]quinoline in which the hydrogen at position N-5 is replaced by a methyl group. | 2.05 | 1 | 0 | indole alkaloid; organic heterotetracyclic compound; organonitrogen heterocyclic compound | anti-inflammatory agent; antimalarial; antineoplastic agent; cysteine protease inhibitor; plant metabolite |
bexarotene [no description available] | 2.08 | 1 | 0 | benzoic acids; naphthalenes; retinoid | antineoplastic agent |
s20098 [no description available] | 2.08 | 1 | 0 | acetamides | |
flunisolide flunisolide: flunisolide HFA is a formulation of flunisolide using hydrofluoroalkane (HFA) as propellant in place of chlorofluorocarbon (CFC) ones | 2.08 | 1 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; cyclic ketal; fluorinated steroid; primary alpha-hydroxy ketone | anti-asthmatic drug; anti-inflammatory drug; immunosuppressive agent |
ketorolac tromethamine Ketorolac Tromethamine: A pyrrolizine carboxylic acid derivative structurally related to INDOMETHACIN. It is a non-steroidal anti-inflammatory agent used for analgesia for postoperative pain and inhibits cyclooxygenase activity.. ketorolac tromethamine : An organoammonium salt resulting from the mixture of equimolar amounts of ketorolac and tromethamine (tris). It has potent non-sedating analgesic and moderate anti-inflammatory effects. It is used in the short-term management of post-operative pain, and in eye drops to relieve the ocular itching associated with seasonal allergic conjunctivitis. | 2.08 | 1 | 0 | organoammonium salt | analgesic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor |
clarithromycin Clarithromycin: A semisynthetic macrolide antibiotic derived from ERYTHROMYCIN that is active against a variety of microorganisms. It can inhibit PROTEIN SYNTHESIS in BACTERIA by reversibly binding to the 50S ribosomal subunits. This inhibits the translocation of aminoacyl transfer-RNA and prevents peptide chain elongation.. clarithromycin : The 6-O-methyl ether of erythromycin A, clarithromycin is a macrolide antibiotic used in the treatment of respiratory-tract, skin and soft-tissue infections. It is also used to eradicate Helicobacter pylori in the treatment of peptic ulcer disease. It prevents bacteria from growing by interfering with their protein synthesis. | 2.97 | 4 | 0 | macrolide antibiotic | antibacterial drug; environmental contaminant; protein synthesis inhibitor; xenobiotic |
tretazicar tretazicar: minor descriptor (75-84); on-line & Index Medicus search AZIRIDINES (75-84) | 2.04 | 1 | 0 | | |
nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.47 | 2 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug; biomarker; immunomodulator; mitogen; neurotoxin; nicotinic acetylcholine receptor agonist; peripheral nervous system drug; phytogenic insecticide; plant metabolite; psychotropic drug; teratogenic agent; xenobiotic |
nsc-172755 butocin: S-substituted analog of mercaptopurine which functions as a cytostatic agent; minor descriptor (75-85); on-line search 6-MERCAPTOPURINE/AA (75-84); Index Medicus search MERCAPTOPURINE/analogs (75-84) | 2.04 | 1 | 0 | | |
cinchonine [no description available] | 2.05 | 1 | 0 | (8xi)-cinchonan-9-ol; cinchona alkaloid | metabolite |
fibrinogen Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol. | 2.03 | 1 | 0 | iditol | fungal metabolite |
moexipril [no description available] | 2.04 | 1 | 0 | peptide | |
sennoside B sennoside B : A member of the class of sennosides that is (9R,9'S)-9,9',10,10'-tetrahydro-9,9'-bianthracene-2,2'-dicarboxylic acid which is substituted by hydroxy groups at positions 4 and 4', by beta-D-glucopyranosyloxy groups at positions 5 and 5', and by oxo groups at positions 10 and 10'. | 2.04 | 1 | 0 | oxo dicarboxylic acid; sennosides | |
streptovitacin a streptovitacin A: structure | 2.04 | 1 | 0 | | |
cholest-4-en-3-one cholest-4-en-3-one : A cholestanoid that is cholest-4-ene substituted by an oxo group at position 3. | 2.02 | 1 | 0 | 3-oxo-Delta(4) steroid; cholestanoid | human metabolite; plant metabolite |
prochlorperazine edisylate salt [no description available] | 3.25 | 1 | 0 | | |
gliquidone gliquidone: structure; RN given refers to parent cpd | 2.08 | 1 | 0 | isoquinolines | |
n-hexadecyl-n,n-dimethyl-3-ammonio-1-propanesulfonate [no description available] | 2.05 | 1 | 0 | | |
tarenflurbil tarenflurbil: R-enantiomer of flurbiprofen but not a COX inhibitor; modulates NF-kB, gamma-secretase, amyloid beta-protein; | 4.13 | 2 | 0 | flurbiprofen | |
cb 10375 trimelamol: structure given in first source | 2.04 | 1 | 0 | | |
lopinavir [no description available] | 2.47 | 2 | 0 | amphetamines; dicarboxylic acid diamide | anticoronaviral agent; antiviral drug; HIV protease inhibitor |
carbenicillin indanyl carbenicillin indanyl: acid stable indanyl ester of carbenicillin for oral use; same side-effects as carbenicillin; minor descriptor (75-86); on line & INDEX MEDICUS search CARBENICILLIN/AA (75-86); RN given refers to (mono-Na salt(2S-(2alpha,5alpha,6beta))-isomer) | 2.04 | 1 | 0 | penicillin | |
dimethacrine dimethacrine: minor descriptor (75-84); on-line & Index Medicus search ACRIDINES (75-84); RN given refers to parent cpd without isomeric designation | 2.04 | 1 | 0 | acridines | |
cb 1837 CB 1837: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | | |
desethylchloroquine desethylchloroquine: metabolite of chloroquine | 2.05 | 1 | 0 | aminoquinoline | |
8-mercaptoquinoline 8-mercaptoquinoline: structure given in first source | 1.98 | 1 | 0 | | |
hexaphosphamide hexaphosphamide: structure | 2.04 | 1 | 0 | | |
dipin dipin: structure | 2.04 | 1 | 0 | | |
phosphazine phosphazine: structure | 2.04 | 1 | 0 | | |
diiodobenzotepa diiodobenzotepa: structure | 2.04 | 1 | 0 | | |
icig 1163 ICIG 1163: RN given refers to parent cpd; structure in first source | 2.04 | 1 | 0 | | |
wr 159412 [no description available] | 2.05 | 1 | 0 | | |
bimolane bimolane: structure given in first source | 2.04 | 1 | 0 | | |
thiodipin thiodipin: structure | 2.04 | 1 | 0 | | |
fluoxydine fluoxydine: structure | 2.04 | 1 | 0 | | |
moxifloxacin hydrochloride moxifloxacin hydrochloride : A hydrochloride comprising equimolar amounts of moxifloxacin and hydrogen chloride. | 2.08 | 1 | 0 | hydrochloride | antibacterial drug |
cinchonidine cinchonidine: has antimalarial activity; diastereoisomer of cinchonine with distinct physiochemical properties; RN given refers to parent cpd(8alpha,9R)-isomer. cinchonidine : 8-epi-Cinchonan in which a hydrogen at position 9 is substituted by hydroxy (R configuration). A diasteroisomer of cinchonine, it occurs in the bark of most varieties of Cinchona shrubs, and is frequently used for directing chirality in asymmetric synthesis. | 2.05 | 1 | 0 | (8xi)-cinchonan-9-ol; cinchona alkaloid | metabolite |
imiphos imiphos: structure | 2.04 | 1 | 0 | | |
pregnanetriol Pregnanetriol: A metabolite of 17-ALPHA-HYDROXYPROGESTERONE, normally produced in small quantities by the GONADS and the ADRENAL GLANDS, found in URINE. An elevated urinary pregnanetriol is associated with CONGENITAL ADRENAL HYPERPLASIA with a deficiency of STEROID 21-HYDROXYLASE. | 2.86 | 4 | 0 | corticosteroid hormone | |
benzyloxyamine benzyloxyamine: RN given refers to parent cpd | 2.05 | 1 | 0 | | |
alexidine dihydrchloride [no description available] | 3.25 | 1 | 0 | | |
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.05 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
fulvestrant Fulvestrant: An estradiol derivative and estrogen receptor antagonist that is used for the treatment of estrogen receptor-positive, locally advanced or metastatic breast cancer.. fulvestrant : A 3-hydroxy steroid that is 17beta-estradiol in which the 7alpha hydrogen has been replaced by a nonyl group in which one of the hydrogens of the terminal methyl has been replaced by a (4,4,5,5,5-pentafluoropentyl)sulfinyl group. An estrogen receptor antagonist, it is used in the treatment of breast cancer. | 2.08 | 1 | 0 | 17beta-hydroxy steroid; 3-hydroxy steroid; organofluorine compound; sulfoxide | antineoplastic agent; estrogen antagonist; estrogen receptor antagonist |
mizoribine [no description available] | 2.08 | 1 | 0 | imidazoles | anticoronaviral agent |
sr141716 [no description available] | 2.47 | 2 | 0 | amidopiperidine; carbohydrazide; dichlorobenzene; monochlorobenzenes; pyrazoles | anti-obesity agent; appetite depressant; CB1 receptor antagonist |
bosentan anhydrous Bosentan: A sulfonamide and pyrimidine derivative that acts as a dual endothelin receptor antagonist used to manage PULMONARY HYPERTENSION and SYSTEMIC SCLEROSIS. | 2.47 | 2 | 0 | primary alcohol; pyrimidines; sulfonamide | antihypertensive agent; endothelin receptor antagonist |
prolinedithiocarbamate prolinedithiocarbamate: do not confuse with pyrrolidine dithiocarbamate which is also abbreviated PDTC | 3.14 | 1 | 0 | | |
selenomethionine [no description available] | 2.05 | 1 | 0 | amino acid zwitterion; selenomethionine | plant metabolite |
aldophosphamide aldophosphamide: metabolite of cyclophosphamide | 2.04 | 1 | 0 | nitrogen mustard | |
racecadotril racecadotril: parenterally active enkephalinase inhibitor | 2.08 | 1 | 0 | N-acyl-amino acid | |
pyronaridine [no description available] | 2.05 | 1 | 0 | aminoquinoline | |
perindopril Perindopril: An angiotensin-converting enzyme inhibitor. It is used in patients with hypertension and heart failure.. perindopril : An alpha-amino acid ester that is the ethyl ester of N-{(2S)-1-[(2S,3aS,7aS)-2-carboxyoctahydro-1H-indol-1-yl]-1-oxopropan-2-yl}-L-norvaline | 2.74 | 3 | 0 | alpha-amino acid ester; dicarboxylic acid monoester; ethyl ester; organic heterobicyclic compound | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
epicatechin gallate epicatechin gallate: a steroid 5alpha-reductase inhibitor; RN given refers to the (cis)-isomer; structure given in first source; isolated from green tea. (-)-epicatechin-3-O-gallate : A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida. | 2.31 | 1 | 0 | catechin; gallate ester; polyphenol | EC 3.2.1.1 (alpha-amylase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; metabolite |
fingolimod fingolimod : An aminodiol that consists of propane-1,3-diol having amino and 2-(4-octylphenyl)ethyl substituents at the 2-position. It is a sphingosine 1-phosphate receptor modulator used for the treatment of relapsing-remitting multiple sclerosis. A prodrug, fingolimod is phosphorylated by sphingosine kinase to active metabolite fingolimod-phosphate, a structural analogue of sphingosine 1-phosphate. | 2.05 | 1 | 0 | aminodiol; primary amino compound | antineoplastic agent; CB1 receptor antagonist; immunosuppressive agent; prodrug; sphingosine-1-phosphate receptor agonist |
ecteinascidin 743 [no description available] | 2.05 | 1 | 0 | acetate ester; azaspiro compound; bridged compound; hemiaminal; isoquinoline alkaloid; lactone; organic heteropolycyclic compound; organic sulfide; oxaspiro compound; polyphenol; tertiary amino compound | alkylating agent; angiogenesis modulating agent; anti-inflammatory agent; antineoplastic agent; marine metabolite |
tadalafil [no description available] | 2.08 | 1 | 0 | benzodioxoles; pyrazinopyridoindole | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent |
3,6-bis(5-chloro-2-piperidyl)-2,5-piperazinedione 3,6-bis(5-chloro-2-piperidyl)-2,5-piperazinedione: isolated from Streptomyces griseoluteus fermentation broth; RN given refers to cpd without isomeric designation; structure | 2.04 | 1 | 0 | | |
5-hydroxydopamine 5-hydroxydopamine: RN given refers to parent cpd | 2.04 | 1 | 0 | catecholamine | |
valerates Valerates: Derivatives of valeric acid, including its salts and esters. | 1.94 | 1 | 0 | short-chain fatty acid anion; straight-chain saturated fatty acid anion | plant metabolite |
oxymatrine oxysophoridine: an alkaloid isolated from Sophra alope; structure in first source | 2.04 | 1 | 0 | alkaloid; tertiary amine oxide | |
2-(2,3-dicarboxycyclopropyl)glycine [no description available] | 2.05 | 1 | 0 | | |
nitisinone [no description available] | 2.05 | 1 | 0 | (trifluoromethyl)benzenes; C-nitro compound; cyclohexanones; mesotrione | EC 1.13.11.27 (4-hydroxyphenylpyruvate dioxygenase) inhibitor |
tafenoquine tafenoquine : A racemate comprising equimolar amounts of (R)- and (S)-tafenoquine.. N(4)-{2,6-dimethoxy-4-methyl-5-[3-(trifluoromethyl)phenoxy]quinolin-8-yl}pentane-1,4-diamine : An aminoquinoline that is 8-aminoquinoline which is substituted by methoxy groups at positions 2 and 6, a methyl group at position 4, and a m-(trifluoromethyl)phenoxy group at position 5, and in which the amino substituent at position 8 is itself substituted by a 5-aminopentan-2-yl group. | 2.05 | 1 | 0 | (trifluoromethyl)benzenes; aminoquinoline; aromatic ether; primary amino compound; secondary amino compound | |
plavix [no description available] | 2.08 | 1 | 0 | azaheterocycle sulfate salt; organoammonium sulfate salt | anticoagulant; P2Y12 receptor antagonist; platelet aggregation inhibitor |
marimastat marimastat: a matrix metalloproteinase inhibitor active in patients with advanced carcinoma of the pancreas, prostate, or ovary. marimastat : A secondary carboxamide resulting from the foraml condensation of the carboxy group of (2R)-2-[(1S)-1-hydroxy-2-(hydroxyamino)-2-oxoethyl]-4-methylpentanoic acid with the alpha-amino group of N,3-dimethyl-L-valinamide. | 2.05 | 1 | 0 | hydroxamic acid; secondary carboxamide | antineoplastic agent; matrix metalloproteinase inhibitor |
clofarabine [no description available] | 2.47 | 2 | 0 | adenosines; organofluorine compound | antimetabolite; antineoplastic agent |
1,1,2-trichloroethanol 1,1,2-trichloroethanol: metabolite of 1,1,2-trichloroethylene | 2.04 | 1 | 0 | | |
pramipexole Pramipexole: A benzothiazole derivative and dopamine agonist with antioxidant properties that is used in the treatment of PARKINSON DISEASE and RESTLESS LEGS SYNDROME.. pramipexole : A member of the class of benzothiazoles that is 4,5,6,7-tetrahydro-1,3-benzothiazole in which the hydrogens at the 2 and 6-pro-S-positions are substituted by amino and propylamino groups, respectively. | 2.08 | 1 | 0 | benzothiazoles; diamine | antidyskinesia agent; antiparkinson drug; dopamine agonist; radical scavenger |
valdecoxib [no description available] | 2.08 | 1 | 0 | isoxazoles; sulfonamide | antipyretic; antirheumatic drug; cyclooxygenase 2 inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
mitiglinide mitiglinide: a rapid and short-acting hypoglycemic agent; acts on sulfonylurea receptor closing KATP channels; considered one of the glinides-an imprecise grouping; structure given in first source | 2.05 | 1 | 0 | benzenes; monocarboxylic acid | |
desethylamodiaquine desethylamodiaquine: metabolite of amodiaquine | 2.05 | 1 | 0 | | |
n,n-dideethylchloroquine [no description available] | 2.05 | 1 | 0 | | |
imatinib mesylate imatinib methanesulfonate : A methanesulfonate (mesylate) salt that is the monomesylate salt of imatinib. Used for treatment of chronic myelogenous leukemia and gastrointestinal stromal tumours. | 2.05 | 1 | 0 | methanesulfonate salt | anticoronaviral agent; antineoplastic agent; apoptosis inducer; tyrosine kinase inhibitor |
mk 0663 [no description available] | 2.08 | 1 | 0 | bipyridines; organochlorine compound; sulfone | cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
tazobactam Tazobactam: A penicillanic acid and sulfone derivative and potent BETA-LACTAMASE inhibitor that enhances the activity of other anti-bacterial agents against beta-lactamase producing bacteria.. tazobactam : A member of the class of penicillanic acids that is sulbactam in which one of the exocyclic methyl hydrogens is replaced by a 1,2,3-triazol-1-yl group; used (in the form of its sodium salt) in combination with ceftolozane sulfate for treatment of complicated intra-abdominal infections and complicated urinary tract infections. | 2.04 | 1 | 0 | penicillanic acids; triazoles | antiinfective agent; antimicrobial agent; EC 3.5.2.6 (beta-lactamase) inhibitor |
gefitinib [no description available] | 2.47 | 2 | 0 | aromatic ether; monochlorobenzenes; monofluorobenzenes; morpholines; quinazolines; secondary amino compound; tertiary amino compound | antineoplastic agent; epidermal growth factor receptor antagonist |
n(6)-(3-iodobenzyl)-5'-n-methylcarboxamidoadenosine N(6)-(3-iodobenzyl)-5'-N-methylcarboxamidoadenosine: structure given in first source; a selective A(3) adenosine receptor agonist. 3-iodobenzyl-5'-N-methylcarboxamidoadenosine : A derivative of adenosine in which the 5'-hydroxymethyl group is replaced by N-ethylcarboxamido and one of the hydrogens of the exocyclic amino function is substituted by a 3-iodobenzyl group. | 2.05 | 1 | 0 | adenosines; monocarboxylic acid amide; organoiodine compound | adenosine A3 receptor agonist |
3-iodo-alpha-methyltyrosine 3-iodo-alpha-methyltyrosine: used for SPECT imaging of brain tumors; RN given refers to unlabeled cpd without stereoisomeric designation | 1.96 | 1 | 0 | | |
desloratadine desloratadine: major metabolite of loratadine. desloratadine : Loratadine in which the ethoxycarbonyl group attached to the piperidine ring is replaced by hydrogen. The major metabolite of loratidine, desloratadine is an antihistamine which is used for the symptomatic relief of allergic conditions including rhinitis and chronic urticaria. It does not readily enter the central nervous system, so does not cause drowsiness. | 2.08 | 1 | 0 | benzocycloheptapyridine | anti-allergic agent; cholinergic antagonist; drug metabolite; H1-receptor antagonist |
iremycin iremycin: anthracycline antibiotic from Streptomyces violaceus subsp. iremyceticus; RN given refers to parent cpd(7R-trans)-isomer | 2.04 | 1 | 0 | | |
methotrexate [no description available] | 2.75 | 3 | 0 | dicarboxylic acid; monocarboxylic acid amide; pteridines | abortifacient; antimetabolite; antineoplastic agent; antirheumatic drug; dermatologic drug; DNA synthesis inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; immunosuppressive agent |
3,6-diamino-9-(4-(methylsulfonyl)aminophenyl)aminoacridine [no description available] | 2.05 | 1 | 0 | | |
n,n'-bis((2-chloroethyl)nitrosocarbamoyl)cystamine N,N'-bis((2-chloroethyl)nitrosocarbamoyl)cystamine: structure given in first source | 2.04 | 1 | 0 | | |
hainanensine hainanensine: structure in first source | 2.04 | 1 | 0 | | |
ne 58051 NE 58051: inhibits tumor cell adhesion to extracellular matrices; structure in first source | 2.05 | 1 | 0 | | |
antiprimod azaspirane: structure given in first source | 2.05 | 1 | 0 | | |
sulbactam [no description available] | 2.47 | 2 | 0 | penicillanic acids | |
olmesartan medoxomil Olmesartan Medoxomil: An ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKER that is used to manage HYPERTENSION. | 2.47 | 2 | 0 | biphenyls | |
ilomastat CS 610: matrix metalloproteinase inhibitor; structure in first source. ilomastat : An N-acyl-amino acid obtained by formal condensation of the carboxy group of (2R)-2-[2-(hydroxyamino)-2-oxoethyl]-4-methylpentanoic acid with the amino group of N-methyl-L-tryptophanamide. A cell permeable broad-spectrum matrix metalloproteinase (MMP) inhibitor | 2.05 | 1 | 0 | hydroxamic acid; L-tryptophan derivative; N-acyl-amino acid | anti-inflammatory agent; antibacterial agent; antineoplastic agent; EC 3.4.24.24 (gelatinase A) inhibitor; neuroprotective agent |
abiraterone [no description available] | 2.08 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; pyridines | antineoplastic agent; EC 1.14.99.9 (steroid 17alpha-monooxygenase) inhibitor |
wr 242511 WR 242511: RN given refers to parent cpd | 2.05 | 1 | 0 | | |
febuxostat Febuxostat: A thiazole derivative and inhibitor of XANTHINE OXIDASE that is used for the treatment of HYPERURICEMIA in patients with chronic GOUT.. febuxostat : A 1,3-thiazolemonocarboxylic acid that is 4-methyl-1,3-thiazole-5-carboxylic acid which is substituted by a 3-cyano-4-(2-methylpropoxy)phenyl group at position 2. It is an orally-active, potent, and selective xanthine oxidase inhibitor used for the treatment of chronic hyperuricaemia in patients with gout. | 2.08 | 1 | 0 | 1,3-thiazolemonocarboxylic acid; aromatic ether; nitrile | EC 1.17.3.2 (xanthine oxidase) inhibitor |
xylose xylopyranose: structure in first source | 2.38 | 2 | 0 | D-xylose | |
salicylideneaniline salicylideneaniline: structure in first source | 2.1 | 1 | 0 | | |
ritrosulfan ritrosulfan: RN given refers to parent cpd(R*,S*)-isomer; structure | 2.04 | 1 | 0 | | |
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 3.14 | 1 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
betamethasone-17,21-dipropionate betamethasone-17,21-dipropionate: may also contain chlorocresol (UD 25:22R) | 3.35 | 1 | 1 | | |
lexapro Lexapro: Trade name of escitalopram, the active S-enantiomer of the racemic citalopram. | 2.08 | 1 | 0 | | |
docetaxel [no description available] | 2.46 | 2 | 0 | hydrate; secondary alpha-hydroxy ketone | antineoplastic agent |
docetaxel anhydrous Docetaxel: A semisynthetic analog of PACLITAXEL used in the treatment of locally advanced or metastatic BREAST NEOPLASMS and NON-SMALL CELL LUNG CANCER.. docetaxel anhydrous : A tetracyclic diterpenoid that is paclitaxel with the N-benzyloxycarbonyl group replaced by N-tert-butoxycarbonyl, and the acetoxy group at position 10 replaced by a hydroxy group. | 2.08 | 1 | 0 | secondary alpha-hydroxy ketone; tetracyclic diterpenoid | antimalarial; antineoplastic agent; photosensitizing agent |
atazanavir atazanavir : A heavily substituted carbohydrazide that is an antiretroviral drug of the protease inhibitor (PI) class used to treat infection of human immunodeficiency virus (HIV). | 2.05 | 1 | 0 | carbohydrazide | antiviral drug; HIV protease inhibitor |
levofloxacin Levofloxacin: The L-isomer of Ofloxacin.. levofloxacin : An optically active form of ofloxacin having (S)-configuration; an inhibitor of bacterial topoisomerase IV and DNA gyrase. | 2.75 | 3 | 0 | 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid; fluoroquinolone antibiotic; quinolone antibiotic | antibacterial drug; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; topoisomerase IV inhibitor |
ezetimibe Ezetimibe: An azetidine derivative and ANTICHOLESTEREMIC AGENT that inhibits intestinal STEROL absorption. It is used to reduce total CHOLESTEROL; LDL CHOLESTEROL, and APOLIPOPROTEINS B in the treatment of HYPERLIPIDEMIAS.. ezetimibe : A beta-lactam that is azetidin-2-one which is substituted at 1, 3, and 4 by p-fluorophenyl, 3-(p-fluorophenyl)-3-hydroxypropyl, and 4-hydroxyphenyl groups, respectively (the 3R,3'S,4S enantiomer). | 2.47 | 2 | 0 | azetidines; beta-lactam; organofluorine compound | anticholesteremic drug; antilipemic drug; antimetabolite |
cox 189 lumiracoxib: a COX-2 inhibitor. lumiracoxib : An amino acid that is phenylacetic acid which is substituted at position 2 by the nitrogen of 2-chloro-6-fluoroaniline and at position 5 by a methyl group. A highly selective cyclooxygenase 2 inhibitor, it was briefly used for the treatment of osteoarthritis, but was withdrawn due to concersns of hepatotoxicity. | 2.08 | 1 | 0 | amino acid; monocarboxylic acid; organochlorine compound; organofluorine compound; secondary amino compound | cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
cariporide cariporide: a selective sodium-hydrogen exchange subtype 1 inhibitor; structure in first source | 2.05 | 1 | 0 | | |
tezosentan tezosentan: structure in first source | 2.05 | 1 | 0 | | |
damvar damvar: structure | 2.04 | 1 | 0 | | |
moxifloxacin Moxifloxacin: A fluoroquinolone that acts as an inhibitor of DNA TOPOISOMERASE II and is used as a broad-spectrum antibacterial agent.. moxifloxacin : A quinolone that consists of 4-oxo-1,4-dihydroquinoline-3-carboxylic acid bearing a cyclopropyl substituent at position 1, a fluoro substitiuent at position 6, a (4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl group at position 7 and a methoxy substituent at position 8. A member of the fluoroquinolone class of antibacterial agents. | 2.05 | 1 | 0 | aromatic ether; cyclopropanes; fluoroquinolone antibiotic; pyrrolidinopiperidine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antibacterial drug |
jtt 501 JTT 501: an insulin sensitizer; structure in first source | 2.05 | 1 | 0 | | |
bazedoxifene [no description available] | 2.31 | 1 | 0 | phenylindole | |
xamoterol Xamoterol: A phenoxypropanolamine derivative that is a selective beta-1-adrenergic agonist. | 2.08 | 1 | 0 | morpholines | |
naproxen Naproxen: An anti-inflammatory agent with analgesic and antipyretic properties. Both the acid and its sodium salt are used in the treatment of rheumatoid arthritis and other rheumatic or musculoskeletal disorders, dysmenorrhea, and acute gout.. naproxen : A methoxynaphthalene that is 2-methoxynaphthalene substituted by a carboxy ethyl group at position 6. Naproxen is a non-steroidal anti-inflammatory drug commonly used for the reduction of pain, fever, inflammation and stiffness caused by conditions such as osteoarthritis, kidney stones, rheumatoid arthritis, psoriatic arthritis, gout, ankylosing spondylitis, menstrual cramps, tendinitis, bursitis, and for the treatment of primary dysmenorrhea. It works by inhibiting both the COX-1 and COX-2 enzymes. | 2.76 | 3 | 0 | methoxynaphthalene; monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; gout suppressant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
cinacalcet cinacalcet : A secondary amino compound that is (1R)-1-(naphthalen-1-yl)ethanamine in which one of the hydrogens attached to the nitrogen is substituted by a 3-[3-(trifluoromethyl)phenyl]propyl group. | 2.31 | 1 | 0 | (trifluoromethyl)benzenes; naphthalenes; secondary amino compound | calcimimetic; P450 inhibitor |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.5 | 2 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
telbivudine [no description available] | 2.08 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | antiviral drug; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
clofibride clofibride: structure | 2.04 | 1 | 0 | monocarboxylic acid | |
cyc 202 seliciclib : 2,6-Diaminopurine carrying benzylamino, (2R)-1-hydroxybutan-2-yl and isopropyl substituents at C-6, C-2-N and N-9 respectively. It is an experimental drug candidate in the family of pharmacological cyclin-dependent kinase (CDK) inhibitors. | 2.46 | 2 | 0 | 2,6-diaminopurines | antiviral drug; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
benzo-tepa benzo-tepa: structure | 2.04 | 1 | 0 | | |
tevenel tevenel: sulfamoyl analog of D-threo-chloramphenicol; structure | 2.04 | 1 | 0 | sulfonamide | |
decamethoxine decamethoxine: structure | 1.96 | 1 | 0 | quaternary ammonium salt | |
tac 278 TAC 278: prodrug of 5-fluorouracil; RN given refers to cpd with unspecified isomeric designation | 2.04 | 1 | 0 | | |
paromomycin Paromomycin: An aminoglycoside antibacterial and antiprotozoal agent produced by species of STREPTOMYCES.. paromomycin : An amino cyclitol glycoside that is the 1-O-(2-amino-2-deoxy-alpha-D-glucopyranoside) and the 3-O-(2,6-diamino-2,6-dideoxy-beta-L-idopyranosyl)-beta-D-ribofuranoside of 4,6-diamino-2,3-dihydroxycyclohexane (the 1R,2R,3S,4R,6S diastereoisomer). It is obtained from various Streptomyces species. A broad-spectrum antibiotic, it is used (generally as the sulfate salt) for the treatment of acute and chronic intestinal protozoal infections, but is not effective for extraintestinal protozoal infections. It is also used as a therapeutic against visceral leishmaniasis. | 4.01 | 4 | 0 | amino cyclitol glycoside; aminoglycoside antibiotic | anthelminthic drug; antibacterial drug; antiparasitic agent; antiprotozoal drug |
mexaform Mexaform: contains 4,7-phenanthroline-5,6-dione & iodochlorhydroxyquin; used in treatment of non-specific enteritis; structure | 3.19 | 6 | 0 | | |
brobenzoxaldine, broxyquinoline drug combination brobenzoxaldine, broxyquinoline drug combination: mixture of broxyquinoline & brobenzoxaldine | 1.96 | 1 | 0 | | |
avasimibe [no description available] | 2.05 | 1 | 0 | monoterpenoid | |
aminopterin Aminopterin: A folic acid derivative used as a rodenticide that has been shown to be teratogenic. | 2.44 | 2 | 0 | dicarboxylic acid | EC 1.5.1.3 (dihydrofolate reductase) inhibitor; mutagen |
biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 2.48 | 2 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
(4r)-3-((2s)-3-mercapto-2-methylpropanoyl)-4- thiazolidinecarboxylic acid [no description available] | 2.04 | 1 | 0 | | |
atropine tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3. | 3.26 | 6 | 0 | | |
intetrix intetrix: combination of tiliquinol & tilbroquinol | 1.96 | 1 | 0 | | |
l 694,458 DMP 777: structure given in first source | 2.04 | 1 | 0 | | |
moracin m moracin M: has been isolated from Morus alba L.; structure in first source | 7.11 | 1 | 0 | benzofurans | |
deflazacort deflazacort: structure | 2.45 | 2 | 0 | corticosteroid hormone | |
hexestrol diphosphate [no description available] | 2.04 | 1 | 0 | | |
carbocysteine Carbocysteine: A compound formed when iodoacetic acid reacts with sulfhydryl groups in proteins. It has been used as an anti-infective nasal spray with mucolytic and expectorant action.. S-carboxymethyl-L-cysteine : An L-cysteine thioether that is L-cysteine in which the hydrogen of the thiol group has been replaced by a carboxymethyl group. | 2.44 | 2 | 0 | L-cysteine thioether; non-proteinogenic L-alpha-amino acid | mucolytic |
latrepirdine latrepirdine: structure | 3.15 | 1 | 0 | methylpyridines; pyridoindole | geroprotector |
olpadronic acid [no description available] | 2.05 | 1 | 0 | | |
troleandomycin Troleandomycin: A macrolide antibiotic that is similar to ERYTHROMYCIN.. troleandomycin : A semi-synthetic macrolide antibiotic obtained by acetylation of the three free hydroxy groups of oleandomycin. Troleandomycin is only found in individuals that have taken the drug. | 2.05 | 1 | 0 | acetate ester; epoxide; macrolide antibiotic; monosaccharide derivative; polyketide; semisynthetic derivative | EC 1.14.13.97 (taurochenodeoxycholate 6alpha-hydroxylase) inhibitor; xenobiotic |
ramelteon ramelteon: melatonin MT1/MT2 receptor agonist | 2.08 | 1 | 0 | indanes | |
tv3326 [no description available] | 2.08 | 1 | 0 | indanes | |
deferasirox Deferasirox: A triazole and benzoate derivative that acts as a selective iron chelator. It is used in the management of chronic IRON OVERLOAD due to blood transfusion or non-transfusion dependent THALASSEMIA.. deferasirox : A member of the class of triazoles, deferasirox is 1,2,4-triazole substituted by a 4-carboxyphenyl group at position 1 and by 2-hydroxyphenyl groups at positions 3 and 5. An orally active iron chelator, it is used to manage chronic iron overload in patients receiving long-term blood transfusions. | 2.47 | 2 | 0 | benzoic acids; monocarboxylic acid; phenols; triazoles | iron chelator |
bms204352 BMS204352: a calcium-sensitive opener of maxi-K potassium channels; structure in first source | 2.08 | 1 | 0 | | |
tbc-11251 sitaxsentan: endothelin A receptor antagonist; structure in first source | 2.47 | 2 | 0 | benzodioxoles | |
tolvaptan [no description available] | 2.08 | 1 | 0 | benzazepine; benzenedicarboxamide | aquaretic; vasopressin receptor antagonist |
lenalidomide [no description available] | 2.08 | 1 | 0 | aromatic amine; dicarboximide; isoindoles; piperidones | angiogenesis inhibitor; antineoplastic agent; immunomodulator |
lacosamide Lacosamide: An acetamide derivative that acts as a blocker of VOLTAGE-GATED SODIUM CHANNELS. It is used as an anticonvulsant, for adjunctive or monotherapy, in the treatment of PARTIAL SEIZURES. | 2.08 | 1 | 0 | N-acyl-amino acid | |
demecolcine Demecolcine: An alkaloid isolated from Colchicum autumnale L. and used as an antineoplastic.. (-)-demecolcine : A secondary amino compound that is (S)-colchicine in which the N-acetyl group is replaced by an N-methyl group. Isolable from the autumn crocus, Colchicum autumnale, it is less toxic than colchicine and is used as an antineoplastic. | 2.04 | 1 | 0 | alkaloid; secondary amino compound | antineoplastic agent; microtubule-destabilising agent |
sitosterol, (3beta)-isomer Sobatum: tradename; active fraction of Solanum trilobatum; reduces side-effects of radiation-induced toxicity. sitosterol : A member of the class of phytosterols that is stigmast-5-ene substituted by a beta-hydroxy group at position 3. | 2.05 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; C29-steroid; phytosterols; stigmastane sterol | anticholesteremic drug; antioxidant; mouse metabolite; plant metabolite; sterol methyltransferase inhibitor |
cortisone [no description available] | 1.94 | 1 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
dromostanolone propionate dromostanolone propionate: RN given refers to (2alpha,5alpha,17beta)-isomer | 2.04 | 1 | 0 | 3-oxo-5alpha-steroid; steroid ester | antineoplastic agent |
vincaleukoblastine [no description available] | 2.08 | 1 | 0 | acetate ester; indole alkaloid fundamental parent; methyl ester; organic heteropentacyclic compound; organic heterotetracyclic compound; tertiary alcohol; tertiary amino compound; vinca alkaloid | antineoplastic agent; immunosuppressive agent; microtubule-destabilising agent; plant metabolite |
vincristine sulfate [no description available] | 2.08 | 1 | 0 | organic sulfate salt | antineoplastic agent; geroprotector |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.55 | 2 | 0 | | |
benzarone benzarone: antihemorrhagic agent; structure | 2.05 | 1 | 0 | 1-benzofurans | |
nsc-89199 estramustine phosphate : A steroid phosphate which is the 17-O-phospho derivative of estramustine. | 2.04 | 1 | 0 | carbamate ester; organochlorine compound; steroid phosphate | |
estramustine Estramustine: A nitrogen mustard linked to estradiol, usually as phosphate; used to treat prostatic neoplasms; also has radiation protective properties.. estramustine : A carbamate ester obtained by the formal condensation of the hydroxy group of 17beta-estradiol with the carboxy group of bis(2-chloroethyl)carbamic acid. | 2.74 | 3 | 0 | 17beta-hydroxy steroid; carbamate ester; organochlorine compound | alkylating agent; antineoplastic agent; radiation protective agent |
lupeol [no description available] | 2.05 | 1 | 0 | pentacyclic triterpenoid; secondary alcohol | anti-inflammatory drug; plant metabolite |
phenethicillin phenethicillin: minor descriptor (85); major descriptor (63-84); on-line search PENICILLIN, PHENOXYMETHYL/AA (66-85); Index Medicus search PHENETHICILLIN (63-84); RN given refers to (2S-(2alpha,5alpha,6beta))-isomer. phenethicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-phenoxypropanamido group. | 2.44 | 2 | 0 | penicillin allergen; penicillin | |
noscapine Noscapine: A naturally occurring opium alkaloid that is a centrally acting antitussive agent.. (-)-noscapine : A benzylisoquinoline alkaloid that is 1,2,3,4-tetrahydroisoquinoline which is substituted by a 4,5-dimethoxy-3-oxo-1,3-dihydro-2-benzofuran-1-yl group at position 1, a methylenedioxy group at positions 6-7 and a methoxy group at position 8. Obtained from plants of the Papaveraceae family, it lacks significant painkilling properties and is primarily used for its antitussive (cough-suppressing) effects. | 2.05 | 1 | 0 | aromatic ether; benzylisoquinoline alkaloid; cyclic acetal; isobenzofuranone; organic heterobicyclic compound; organic heterotricyclic compound; tertiary amino compound | antineoplastic agent; antitussive; apoptosis inducer; plant metabolite |
indicine-n-oxide indicine-N-oxide: RN given refers to (1R-(1alpha,7(2R*,3S*),7abeta))-isomer; structure | 2.04 | 1 | 0 | | |
homoharringtonine Homoharringtonine: Semisynthetic derivative of harringtonine that acts as a protein synthesis inhibitor and induces APOPTOSIS in tumor cells. It is used in the treatment of MYELOID LEUKEMIA, CHRONIC.. omacetaxine mepesuccinate : A cephalotaxine-derived alkaloid ester obtained from Cephalotaxus harringtonia; used for the treatment of chronic or accelerated phase chronic myeloid leukaemia. | 2.05 | 1 | 0 | alkaloid ester; enol ether; organic heteropentacyclic compound; tertiary alcohol | anticoronaviral agent; antineoplastic agent; apoptosis inducer; protein synthesis inhibitor |
wortmannin [no description available] | 2.08 | 1 | 0 | acetate ester; cyclic ketone; delta-lactone; organic heteropentacyclic compound | anticoronaviral agent; antineoplastic agent; autophagy inhibitor; EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor; geroprotector; Penicillium metabolite; radiosensitizing agent |
trimethoprim, sulfamethoxazole drug combination Trimethoprim, Sulfamethoxazole Drug Combination: A drug combination with broad-spectrum antibacterial activity against both gram-positive and gram-negative organisms. It is effective in the treatment of many infections, including PNEUMOCYSTIS PNEUMONIA in AIDS.. co-trimoxazole : A two-component mixture comprising trimethoprim and sulfamethoxazole. | 3.79 | 2 | 1 | | |
o-(chloroacetylcarbamoyl)fumagillol O-(Chloroacetylcarbamoyl)fumagillol: Semisynthetic analog of fumagillin (a cyclohexane-sesquiterpene antibiotic isolated from ASPERGILLUS FUMIGATUS) that inhibits angiogenesis.. O-(chloroacetylcarbamoyl)fumagillol : A carbamate ester that is fumagillol in which the hydroxy group has been converted to the corresponding N-(chloroacetyl)carbamate derivative. | 2.05 | 1 | 0 | carbamate ester; organochlorine compound; semisynthetic derivative; sesquiterpenoid; spiro-epoxide | angiogenesis inhibitor; antineoplastic agent; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; methionine aminopeptidase 2 inhibitor; retinoic acid receptor alpha antagonist |
bortezomib [no description available] | 3.86 | 3 | 0 | amino acid amide; L-phenylalanine derivative; pyrazines | antineoplastic agent; antiprotozoal drug; protease inhibitor; proteasome inhibitor |
neocryptolepine neocryptolepine: isolated from the roots of the African plant Cryptolepis sanguinolenta; structure in first source | 2.05 | 1 | 0 | | |
ritonavir Ritonavir: An HIV protease inhibitor that works by interfering with the reproductive cycle of HIV. It also inhibits CYTOCHROME P-450 CYP3A.. ritonavir : An L-valine derivative that is L-valinamide in which alpha-amino group has been acylated by a [(2-isopropyl-1,3-thiazol-4-yl)methyl]methylcarbamoyl group and in which a hydrogen of the carboxamide amino group has been replaced by a (2R,4S,5S)-4-hydroxy-1,6-diphenyl-5-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}hexan-2-yl group. A CYP3A inhibitor and antiretroviral drug from the protease inhibitor class used to treat HIV infection and AIDS, it is often used as a fixed-dose combination with another protease inhibitor, lopinavir. Also used in combination with dasabuvir sodium hydrate, ombitasvir and paritaprevir (under the trade name Viekira Pak) for treatment of chronic hepatitis C virus genotype 1 infection as well as cirrhosis of the liver. | 2.47 | 2 | 0 | 1,3-thiazoles; carbamate ester; carboxamide; L-valine derivative; ureas | antiviral drug; environmental contaminant; HIV protease inhibitor; xenobiotic |
1-hydroxypentane-1,1-bisphosphonate [no description available] | 2.05 | 1 | 0 | | |
cimadronate cimadronate: increases serum 1,25-dihydroxyvitamin D in rats via stimulating renal 1-hydroxylase activity; structure given in first source | 2.05 | 1 | 0 | | |
1,1-hydroxyoctanodiphosphonate [no description available] | 2.05 | 1 | 0 | | |
nexavar [no description available] | 2.05 | 1 | 0 | organosulfonate salt | |
methylmercuric chloride methylmercuric chloride: RN given refers to unlabeled cpd | 6.97 | 1 | 0 | chlorine molecular entity; mercury coordination entity; one-carbon compound | |
5-amino-8-hydroxyquinoline 5-amino-8-hydroxyquinoline: structure in first source | 3.48 | 2 | 0 | | |
leupeptins Leupeptins: A group of acylated oligopeptides produced by Actinomycetes that function as protease inhibitors. They have been known to inhibit to varying degrees trypsin, plasmin, KALLIKREINS, papain and the cathepsins. | 2.05 | 1 | 0 | | |
lithium chloride Lithium Chloride: A salt of lithium that has been used experimentally as an immunomodulator.. lithium chloride : A metal chloride salt with a Li(+) counterion. | 2.21 | 1 | 0 | inorganic chloride; lithium salt | antimanic drug; geroprotector |
s-adenosylhomocysteine S-Adenosylhomocysteine: 5'-S-(3-Amino-3-carboxypropyl)-5'-thioadenosine. Formed from S-adenosylmethionine after transmethylation reactions.. S-adenosyl-L-homocysteine : An organic sulfide that is the S-adenosyl derivative of L-homocysteine. | 2.4 | 2 | 0 | adenosines; amino acid zwitterion; homocysteine derivative; homocysteines; organic sulfide | cofactor; EC 2.1.1.72 [site-specific DNA-methyltransferase (adenine-specific)] inhibitor; EC 2.1.1.79 (cyclopropane-fatty-acyl-phospholipid synthase) inhibitor; epitope; fundamental metabolite |
fibrin Fibrin: A protein derived from FIBRINOGEN in the presence of THROMBIN, which forms part of the blood clot. | 2.1 | 1 | 0 | peptide | |
glucosamine D-glucosamine : An amino sugar whose structure comprises D-glucose having an amino substituent at position 2.. 2-amino-2-deoxy-D-glucopyranose : A D-glucosamine whose structure comprises D-glucopyranose having an amino substituent at position 2. | 2.05 | 1 | 0 | D-glucosamine | Escherichia coli metabolite; geroprotector; mouse metabolite |
oxytocin Oxytocin: A nonapeptide hormone released from the neurohypophysis (PITUITARY GLAND, POSTERIOR). It differs from VASOPRESSIN by two amino acids at residues 3 and 8. Oxytocin acts on SMOOTH MUSCLE CELLS, such as causing UTERINE CONTRACTIONS and MILK EJECTION.. oxytocin : A cyclic nonapeptide hormone with amino acid sequence CYIQNCPLG that also acts as a neurotransmitter in the brain; the principal uterine-contracting and milk-ejecting hormone of the posterior pituitary. Together with the neuropeptide vasopressin, it is believed to influence social cognition and behaviour. | 2.45 | 2 | 0 | heterodetic cyclic peptide; peptide hormone | oxytocic; vasodilator agent |
bekanamycin bekanamycin: kanendomycin is the sulfate of bekanamycin; RN given refers to parent cpd; structure | 2.04 | 1 | 0 | kanamycins | |
pentostatin Pentostatin: A potent inhibitor of ADENOSINE DEAMINASE. The drug induces APOPTOSIS of LYMPHOCYTES, and is used in the treatment of many lymphoproliferative malignancies, particularly HAIRY CELL LEUKEMIA. It is also synergistic with some other antineoplastic agents and has immunosuppressive activity.. pentostatin : A member of the class of coformycins that is coformycin in which the hydroxy group at position 2' is replaced with a hydrogen. It is a drug used for the treatment of hairy cell leukaemia. | 2.46 | 2 | 0 | coformycins | antimetabolite; antineoplastic agent; Aspergillus metabolite; bacterial metabolite; EC 3.5.4.4 (adenosine deaminase) inhibitor |
monoiodotyrosine Monoiodotyrosine: A product from the iodination of tyrosine. In the biosynthesis of thyroid hormones (THYROXINE and TRIIODOTHYRONINE), tyrosine is first iodized to monoiodotyrosine.. iodotyrosine : A tyrosine derivative which has at least one iodo-substituent on the benzyl moiety.. monoiodotyrosine : An iodotyrosine carrying a single iodo substituent.. 3-iodo-L-tyrosine : The monoiodotyrosine that is L-tyrosine carrying an iodo-substituent at position C-3 of the benzyl group. | 1.94 | 1 | 0 | amino acid zwitterion; L-tyrosine derivative; monoiodotyrosine; non-proteinogenic L-alpha-amino acid | EC 1.14.16.2 (tyrosine 3-monooxygenase) inhibitor; human metabolite; mouse metabolite |
strychnine Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.. strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. | 2.04 | 1 | 0 | monoterpenoid indole alkaloid; organic heteroheptacyclic compound | avicide; cholinergic antagonist; glycine receptor antagonist; neurotransmitter agent; rodenticide |
quinidine Quinidine: An optical isomer of quinine, extracted from the bark of the CHINCHONA tree and similar plant species. This alkaloid dampens the excitability of cardiac and skeletal muscles by blocking sodium and potassium currents across cellular membranes. It prolongs cellular ACTION POTENTIALS, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission.. quinidine : A cinchona alkaloid consisting of cinchonine with the hydrogen at the 6-position of the quinoline ring substituted by methoxy. | 2.97 | 4 | 0 | cinchona alkaloid | alpha-adrenergic antagonist; anti-arrhythmia drug; antimalarial; drug allergen; EC 1.14.13.181 (13-deoxydaunorubicin hydroxylase) inhibitor; EC 3.6.3.44 (xenobiotic-transporting ATPase) inhibitor; muscarinic antagonist; P450 inhibitor; potassium channel blocker; sodium channel blocker |
meropenem Meropenem: A thienamycin derivative antibacterial agent that is more stable to renal dehydropeptidase I than IMIPENEM, but does not need to be given with an enzyme inhibitor such as CILASTATIN. It is used in the treatment of bacterial infections, including infections in immunocompromised patients.. meropenem : A carbapenemcarboxylic acid in which the azetidine and pyrroline rings carry 1-hydroxymethyl and in which the azetidine and pyrroline rings carry 1-hydroxymethyl and 5-(dimethylcarbamoyl)pyrrolidin-3-ylthio substituents respectively. | 2.47 | 2 | 0 | alpha,beta-unsaturated monocarboxylic acid; carbapenemcarboxylic acid; organic sulfide; pyrrolidinecarboxamide | antibacterial agent; antibacterial drug; drug allergen |
griseofulvin Griseofulvin: An antifungal agent used in the treatment of TINEA infections.. griseofulvin : An oxaspiro compound produced by Penicillium griseofulvum. It is used by mouth as an antifungal drug for infections involving the scalp, hair, nails and skin that do not respond to topical treatment. | 2.89 | 4 | 0 | 1-benzofurans; antibiotic antifungal drug; benzofuran antifungal drug; organochlorine compound; oxaspiro compound | antibacterial agent; Penicillium metabolite |
cefoxitin Cefoxitin: A semisynthetic cephamycin antibiotic resistant to beta-lactamase.. cefoxitin : A semisynthetic cephamycin antibiotic which, in addition to the methoxy group at the 7alpha position, has 2-thienylacetamido and carbamoyloxymethyl side-groups. It is resistant to beta-lactamase. | 2.04 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; cephamycin; semisynthetic derivative | antibacterial drug |
digitoxin Digitoxin: A cardiac glycoside sometimes used in place of DIGOXIN. It has a longer half-life than digoxin; toxic effects, which are similar to those of digoxin, are longer lasting. (From Martindale, The Extra Pharmacopoeia, 30th ed, p665). digitoxin : A cardenolide glycoside in which the 3beta-hydroxy group of digitoxigenin carries a 2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1->4)-2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1->4)-2,6-dideoxy-beta-D-ribo-hexopyranosyl trisaccharide chain. | 2.97 | 4 | 0 | cardenolide glycoside | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor |
saquinavir Saquinavir: An HIV protease inhibitor which acts as an analog of an HIV protease cleavage site. It is a highly specific inhibitor of HIV-1 and HIV-2 proteases, and also inhibits CYTOCHROME P-450 CYP3A.. saquinavir : An aspartic acid derivative obtained by formal condensation of the primary amino group of (2S,3R)-4-[(3S,4aS,8aS)-3-(tert-butylcarbamoyl)octahydroisoquinolin-2(1H)-yl]-3-hydroxy-1-phenylbutan-2-ylamine with the carboxy group of N(2)(-quinolin-2-ylcarbonyl)-L-asparagine. An inhibitor of HIV-1 protease. | 2.47 | 2 | 0 | L-asparagine derivative; quinolines | antiviral drug; HIV protease inhibitor |
netilmicin Netilmicin: Semisynthetic 1-N-ethyl derivative of SISOMYCIN, an aminoglycoside antibiotic with action similar to gentamicin, but less ear and kidney toxicity. | 2.74 | 3 | 0 | | |
trimethaphan camsylate trimethaphan camsylate : The (S)-camphorsulfonate salt of trimethaphan. | 2.05 | 1 | 0 | | |
perindopril erbumine [no description available] | 2.08 | 1 | 0 | addition compound | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
miglitol [no description available] | 2.08 | 1 | 0 | piperidines | |
dicyclomine hydrochloride dicyclomine hydrochloride : The hydrochloride salt of dicyclomine. An anticholinergic, it is used to treat or prevent spasm in the muscles of the gastrointestinal tract, particularly that associated with irritable bowel syndrome. | 3.25 | 1 | 0 | hydrochloride | antispasmodic drug; muscarinic antagonist |
rocuronium bromide rocuronium bromide : The organic bromide salt of a 5alpha androstane compound having 3alpha-hydroxy-, 17beta-acetoxy-, 2beta-morpholino- and 16beta-N-allyllyrrolidinium substituents. | 2.08 | 1 | 0 | organic bromide salt; quaternary ammonium salt | muscle relaxant; neuromuscular agent |
erythromycin estolate Erythromycin Estolate: A macrolide antibiotic, produced by Streptomyces erythreus. It is the lauryl sulfate salt of the propionic ester of erythromycin. This erythromycin salt acts primarily as a bacteriostatic agent. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins. | 2.05 | 1 | 0 | aminoglycoside sulfate salt; erythromycin derivative | enzyme inhibitor |
bacampicillin bacampicillin: ester prodrug that is hydrolyzed to ampicillin after its absorption from the gastrointestinal tract; RN given refers to parent cpd; structure. bacampicillin : A penicillanic acid ester that is the 1-ethoxycarbonyloxyethyl ester of ampicillin. It is a semi-synthetic, microbiologically inactive prodrug of ampicillin. | 2.04 | 1 | 0 | penicillanic acid ester | prodrug |
linezolid [no description available] | 2.08 | 1 | 0 | acetamides; morpholines; organofluorine compound; oxazolidinone | antibacterial drug; protein synthesis inhibitor |
canaline canaline: structure | 2.05 | 1 | 0 | amino acid zwitterion; non-proteinogenic L-alpha-amino acid | antimetabolite; antineoplastic agent; phytogenic insecticide; plant metabolite |
angustibalin angustibalin: sesquiterpene lactone from Balduina angustifolia (Pursh) Robins; structure | 2.04 | 1 | 0 | sesquiterpene lactone | |
cyclopamine [no description available] | 2.05 | 1 | 0 | piperidines | glioma-associated oncogene inhibitor |
devazepide Devazepide: A derivative of benzodiazepine that acts on the cholecystokinin A (CCKA) receptor to antagonize CCK-8's (SINCALIDE) physiological and behavioral effects, such as pancreatic stimulation and inhibition of feeding.. devazepide : An indolecarboxamide obtained by formal condensation of the carboxy group of indole-2-carboxylic acid with the exocyclic amino group of (3S)-3-amino-1-methyl-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one. A cholecystokinin antagonist used for treatment of gastrointestinal disorders. | 2.05 | 1 | 0 | 1,4-benzodiazepinone; indolecarboxamide | antineoplastic agent; apoptosis inducer; cholecystokinin antagonist; gastrointestinal drug |
hetacillin [no description available] | 2.04 | 1 | 0 | penicillin | antibacterial drug |
pemirolast potassium salt [no description available] | 2.08 | 1 | 0 | | |
eplerenone Eplerenone: A spironolactone derivative and selective ALDOSTERONE RECEPTOR antagonist that is used in the management of HYPERTENSION and CONGESTIVE HEART FAILURE, post-MYOCARDIAL INFARCTION. | 2.08 | 1 | 0 | 3-oxo-Delta(4) steroid; epoxy steroid; gamma-lactone; methyl ester; organic heteropentacyclic compound; oxaspiro compound; steroid acid ester | aldosterone antagonist; antihypertensive agent |
tolterodine [no description available] | 2.05 | 1 | 0 | tertiary amine | antispasmodic drug; muscarinic antagonist; muscle relaxant |
doxorubicin hydrochloride [no description available] | 2.05 | 1 | 0 | anthracycline | |
halcinonide Halcinonide: A glucocorticoid used topically in the treatment of DERMATITIS; ECZEMA; or PSORIASIS. It may cause skin irritation. | 4.31 | 2 | 2 | organic molecular entity | SMO receptor agonist |
metrizamide Metrizamide: A solute for density gradient centrifugation offering higher maximum solution density without the problems of increased viscosity. It is also used as a resorbable, non-ionic contrast medium. | 2.04 | 1 | 0 | amino sugar | |
medigoxin Medigoxin: A semisynthetic digitalis glycoside with the general properties of DIGOXIN but more rapid onset of action. Its cardiotonic action is prolonged by its demethylation to DIGOXIN in the liver. It has been used in the treatment of congestive heart failure (HEART FAILURE). | 2.04 | 1 | 0 | cardenolide glycoside | |
erythromycin ethylsuccinate Erythromycin Ethylsuccinate: A macrolide antibiotic, produced by Streptomyces erythreus. This compound is an ester of erythromycin base and succinic acid. It acts primarily as a bacteriostatic agent. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins.. erythromycin ethylsuccinate : A erythromycin derivative that is erythromycin A in which the hydroxy group at position 3R is substituted by a (4-ethoxy-4-oxobutanoyl)oxy group. It is used for the treatment of a wide variety of bacterial infections. | 2.88 | 4 | 0 | cyclic ketone; erythromycin derivative; ethyl ester; succinate ester | |
betamethasone acetate [no description available] | 2.04 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(1),Delta(4)-steroid; acetate ester; fluorinated steroid; steroid ester; tertiary alpha-hydroxy ketone | |
flumethasone pivalate flumethasone pivalate: structure | 2.78 | 3 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; glucocorticoid; pivalate ester; tertiary alpha-hydroxy ketone | anti-inflammatory drug; antipruritic drug |
ao 128 AO 128: alpha-glucosidase inhibitor; structure given in first source | 2.47 | 2 | 0 | organic molecular entity | |
loteprednol etabonate Loteprednol Etabonate: An androstadiene derivative corticosteroid that is used as an ANTI-ALLERGIC AGENT for the treatment of inflammatory and allergic eye conditions. | 2.08 | 1 | 0 | 11beta-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; etabonate ester; organochlorine compound; steroid acid ester; steroid ester | anti-inflammatory drug |
fluticasone propionate fluticasone propionate : A trifluorinated corticosteroid that consists of 6alpha,9-difluoro-11beta,17alpha-dihydroxy-17beta-{[(fluoromethyl)sulfanyl]carbonyl}-16-methyl-3-oxoandrosta-1,4-diene bearing a propionyl substituent at position 17; has anti-inflammatory, anti-asthmatic and anti-allergic activity. | 2.08 | 1 | 0 | 11beta-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; corticosteroid; fluorinated steroid; propanoate ester; steroid ester; thioester | adrenergic agent; anti-allergic agent; anti-asthmatic drug; anti-inflammatory drug; bronchodilator agent; dermatologic drug |
acarbose [no description available] | 2.05 | 1 | 0 | amino cyclitol; glycoside | |
trichostatin a trichostatin A: chelates zinc ion in the active site of histone deacetylases, resulting in preventing histone unpacking so DNA is less available for transcription; do not confuse with TRICHOSANTHIN which is a protein; found in STREPTOMYCES | 3.89 | 2 | 1 | antibiotic antifungal agent; hydroxamic acid; trichostatin | bacterial metabolite; EC 3.5.1.98 (histone deacetylase) inhibitor; geroprotector |
tretinoin Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).. retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).. all-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry. | 2.8 | 3 | 0 | retinoic acid; vitamin A | anti-inflammatory agent; antineoplastic agent; antioxidant; AP-1 antagonist; human metabolite; keratolytic drug; retinoic acid receptor agonist; retinoid X receptor agonist; signalling molecule |
resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 3.63 | 8 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
retinol Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 2.92 | 4 | 0 | retinol; vitamin A | human metabolite; mouse metabolite; plant metabolite |
alpha-D-fructofuranose 1,6-bisphosphate alpha-D-fructofuranose 1,6-bisphosphate : A D-fructofuranose 1,6-bisphosphate with an alpha-configuration at the anomeric position. | 2.05 | 1 | 0 | D-fructofuranose 1,6-bisphosphate | |
docosahexaenoate efalex: a mixture of fish oil and primrose oil; used as a high-docosahexaenoic acid fatty acid supplement. docosahexaenoic acid : Any C22 polyunsaturated fatty acid containing six double bonds.. docosahexaenoate : A polyunsaturated fatty acid anion that is the conjugate base of docosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.. all-cis-docosa-4,7,10,13,16,19-hexaenoic acid : A docosahexaenoic acid having six cis-double bonds at positions 4, 7, 10, 13, 16 and 19. | 2.05 | 1 | 0 | docosahexaenoic acid; omega-3 fatty acid | algal metabolite; antineoplastic agent; Daphnia tenebrosa metabolite; human metabolite; mouse metabolite; nutraceutical |
oleic acid Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 2.05 | 1 | 0 | octadec-9-enoic acid | antioxidant; Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; Escherichia coli metabolite; mouse metabolite; plant metabolite; solvent |
tacrolimus Tacrolimus: A macrolide isolated from the culture broth of a strain of Streptomyces tsukubaensis that has strong immunosuppressive activity in vivo and prevents the activation of T-lymphocytes in response to antigenic or mitogenic stimulation in vitro.. tacrolimus (anhydrous) : A macrolide lactam containing a 23-membered lactone ring, originally isolated from the fermentation broth of a Japanese soil sample that contained the bacteria Streptomyces tsukubaensis. | 2.47 | 2 | 0 | macrolide lactam | bacterial metabolite; immunosuppressive agent |
cerivastatin cerivastatin: cerivastatin is the ((E)-(+))-isomer; structure given in first source. cerivastatin : (3R,5S)-3,5-dihydroxyhept-6-enoic acid in which the (7E)-hydrogen is substituted by a 4-(4-fluorophenyl)-2,6-diisopropyl-5-(methoxymethyl)pyridin-3-yl group. Formerly used (as its sodium salt) to lower cholesterol and prevent cardiovascular disease, it was withdrawn from the market worldwide in 2001 following reports of a severe form of muscle toxicity. | 2.05 | 1 | 0 | dihydroxy monocarboxylic acid; pyridines; statin (synthetic) | |
rosuvastatin rosuvastatin : A dihydroxy monocarboxylic acid that is (6E)-7-{4-(4-fluorophenyl)-2-[methyl(methylsulfonyl)amino]-6-(propan-2-yl)pyrimidin-5-yl} hept-6-enoic acid carrying two hydroxy substituents at positions 3 and 5 (the 3R,5S-diastereomer). | 2.05 | 1 | 0 | dihydroxy monocarboxylic acid; monofluorobenzenes; pyrimidines; statin (synthetic); sulfonamide | anti-inflammatory agent; antilipemic drug; cardioprotective agent; CETP inhibitor; environmental contaminant; xenobiotic |
cocaine Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 2.44 | 2 | 0 | benzoate ester; methyl ester; tertiary amino compound; tropane alkaloid | adrenergic uptake inhibitor; central nervous system stimulant; dopamine uptake inhibitor; environmental contaminant; local anaesthetic; mouse metabolite; plant metabolite; serotonin uptake inhibitor; sodium channel blocker; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
eicosapentaenoic acid icosapentaenoic acid : Any straight-chain, C20 polyunsaturated fatty acid having five C=C double bonds.. all-cis-5,8,11,14,17-icosapentaenoic acid : An icosapentaenoic acid having five cis-double bonds at positions 5, 8, 11, 14 and 17. | 2.05 | 1 | 0 | icosapentaenoic acid; omega-3 fatty acid | anticholesteremic drug; antidepressant; antineoplastic agent; Daphnia galeata metabolite; fungal metabolite; micronutrient; mouse metabolite; nutraceutical |
mycophenolic acid Mycophenolic Acid: Compound derived from Penicillium stoloniferum and related species. It blocks de novo biosynthesis of purine nucleotides by inhibition of the enzyme inosine monophosphate dehydrogenase (IMP DEHYDROGENASE). Mycophenolic acid exerts selective effects on the immune system in which it prevents the proliferation of T-CELLS, LYMPHOCYTES, and the formation of antibodies from B-CELLS. It may also inhibit recruitment of LEUKOCYTES to sites of INFLAMMATION.. mycophenolate : A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of mycophenolic acid.. mycophenolic acid : A member of the class of 2-benzofurans that is 2-benzofuran-1(3H)-one which is substituted at positions 4, 5, 6, and 7 by methyl, methoxy, (2E)-5-carboxy-3-methylpent-2-en-1-yl, and hydroxy groups, respectively. It is an antibiotic produced by Penicillium brevi-compactum, P. stoloniferum, P. echinulatum and related species. An immunosuppressant, it is widely used (partiularly as its sodium salt and as the 2-(morpholin-4-yl)ethyl ester prodrug, mycophenolate mofetil) to prevent tissue rejection following organ transplants and for the treatment of certain autoimmune diseases. | 2.45 | 2 | 0 | 2-benzofurans; gamma-lactone; monocarboxylic acid; phenols | anticoronaviral agent; antimicrobial agent; antineoplastic agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; environmental contaminant; immunosuppressive agent; mycotoxin; Penicillium metabolite; xenobiotic |
mupirocin Mupirocin: A topically used antibiotic from a strain of Pseudomonas fluorescens. It has shown excellent activity against gram-positive staphylococci and streptococci. The antibiotic is used primarily for the treatment of primary and secondary skin disorders, nasal infections, and wound healing.. mupirocin : An alpha,beta-unsaturated ester resulting from the formal condensation of the alcoholic hydroxy group of 9-hydroxynonanoic acid with the carboxy group of (2E)-4-[(2S)-tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoic acid in which the tetrahydropyranyl ring is substituted at positions 3 and 4 by hydroxy groups and at position 5 by a {(2S,3S)-3-[(2S,3S)-3-hydroxybutan-2-yl]oxiran-2-yl}methyl group. Originally isolated from the Gram-negative bacterium Pseudomonas fluorescens, it is used as a topical antibiotic for the treatment of Gram-positive bacterial infections. | 2.08 | 1 | 0 | alpha,beta-unsaturated carboxylic ester; epoxide; monocarboxylic acid; oxanes; secondary alcohol; triol | antibacterial drug; bacterial metabolite; protein synthesis inhibitor |
clindamycin Clindamycin: An antibacterial agent that is a semisynthetic analog of LINCOMYCIN.. clindamycin : A carbohydrate-containing antibiotic that is the semisynthetic derivative of lincomycin, a natural antibiotic. | 2.74 | 3 | 0 | | |
fosfomycin Fosfomycin: An antibiotic produced by Streptomyces fradiae.. fosfomycin : A phosphonic acid having an (R,S)-1,2-epoxypropyl group attached to phosphorus. | 2.45 | 2 | 0 | epoxide; phosphonic acids | antimicrobial agent; EC 2.5.1.7 (UDP-N-acetylglucosamine 1-carboxyvinyltransferase) inhibitor |
zithromax Azithromycin: A semi-synthetic macrolide antibiotic structurally related to ERYTHROMYCIN. It has been used in the treatment of Mycobacterium avium intracellulare infections, toxoplasmosis, and cryptosporidiosis.. azithromycin : A macrolide antibiotic useful for the treatment of bacterial infections. | 2.75 | 3 | 0 | macrolide antibiotic | antibacterial drug; environmental contaminant; xenobiotic |
formycin [no description available] | 2.04 | 1 | 0 | formycin | antineoplastic agent |
drf 2725 ragaglitazar: a phenoxazine analogue of phenyl propanoic acid; Ragaglitazar is a coligand of PPARalpha and PPARgamma | 2.05 | 1 | 0 | | |
diethylstilbestrol Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed). diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. | 2.91 | 4 | 0 | olefinic compound; polyphenol | antifungal agent; antineoplastic agent; autophagy inducer; calcium channel blocker; carcinogenic agent; EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; endocrine disruptor; xenoestrogen |
alitretinoin Alitretinoin: A retinoid that is used for the treatment of chronic hand ECZEMA unresponsive to topical CORTICOSTEROIDS. It is also used to treat cutaneous lesions associated with AIDS-related KAPOSI SARCOMA. | 2.05 | 1 | 0 | retinoic acid | antineoplastic agent; keratolytic drug; metabolite; retinoid X receptor agonist |
roflumilast [no description available] | 7.21 | 1 | 0 | aromatic ether; benzamides; chloropyridine; cyclopropanes; organofluorine compound | anti-asthmatic drug; phosphodiesterase IV inhibitor |
decitabine [no description available] | 2.47 | 2 | 0 | 2'-deoxyribonucleoside | |
teniposide [no description available] | 2.75 | 3 | 0 | aromatic ether; beta-D-glucoside; cyclic acetal; furonaphthodioxole; gamma-lactone; monosaccharide derivative; phenols; thiophenes | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
valrubicin [no description available] | 2.08 | 1 | 0 | anthracycline; trifluoroacetamide | |
purvalanol a 6-((3-chloro)anilino)-2-(isopropyl-2-hydroxyethylamino)-9-isopropylpurine: purvalanol A is the (1R)-isomer; | 2.05 | 1 | 0 | purvalanol | |
cefamandole Cefamandole: Semisynthetic wide-spectrum cephalosporin with prolonged action, probably due to beta-lactamase resistance. It is used also as the nafate.. cefamandole : A cephalosporin compound having (R)-mandelamido and N-methylthiotetrazole side-groups. | 2.04 | 1 | 0 | cephalosporin; semisynthetic derivative | antibacterial drug |
artenimol [no description available] | 3.25 | 1 | 0 | | |
dactinomycin Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 2.39 | 2 | 0 | actinomycin | mutagen |
tiazofurin tiazofurin: RN given refers to (beta-D)-isomer; structure given in first source. tiazofurine : A C-glycosyl compound that is 1,3-thiazole-4-carboxamide in which the hydrogen at position 2 has been replaced by a beta-D-ribofuranosyl group. It is metabolised to thiazole-4-carboxamide adenine dinucleotide (TAD), a selective inhibitor of inosine monophosphate dehydrogenase (IMP dehydrogenase). | 2.45 | 2 | 0 | 1,3-thiazoles; C-glycosyl compound; monocarboxylic acid amide | antineoplastic agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; prodrug |
azaserine Azaserine: Antibiotic substance produced by various Streptomyces species. It is an inhibitor of enzymatic activities that involve glutamine and is used as an antineoplastic and immunosuppressive agent.. azaserine : A carboxylic ester resulting from the formal condensation of the carboxy group of diazoacetic acid with the alcoholic hydroxy group of L-serine. An antibiotic produced by a Streptomyces species. | 2.04 | 1 | 0 | carboxylic ester; diazo compound; L-serine derivative; non-proteinogenic L-alpha-amino acid | antifungal agent; antimetabolite; antimicrobial agent; antineoplastic agent; glutamine antagonist; immunosuppressive agent; metabolite |
melphalan Melphalan: An alkylating nitrogen mustard that is used as an antineoplastic in the form of the levo isomer - MELPHALAN, the racemic mixture - MERPHALAN, and the dextro isomer - MEDPHALAN; toxic to bone marrow, but little vesicant action; potential carcinogen.. melphalan : A phenylalanine derivative comprising L-phenylalanine having [bis(2-chloroethyl)amino group at the 4-position on the phenyl ring. | 3.15 | 5 | 0 | L-phenylalanine derivative; nitrogen mustard; non-proteinogenic L-alpha-amino acid; organochlorine compound | alkylating agent; antineoplastic agent; carcinogenic agent; drug allergen; immunosuppressive agent |
benzyloxycarbonylleucyl-leucyl-leucine aldehyde benzyloxycarbonylleucyl-leucyl-leucine aldehyde: proteasome inhibitor. N-benzyloxycarbonyl-L-leucyl-L-leucyl-L-leucinal : A tripeptide that is L-leucyl-L-leucyl-L-leucine in which the C-terminal carboxy group has been reduced to the corresponding aldehyde and the N-terminal amino group is protected as its benzyloxycarbonyl derivative. | 2.05 | 1 | 0 | amino aldehyde; carbamate ester; tripeptide | proteasome inhibitor |
tenofovir tenofovir (anhydrous) : A member of the class of phosphonic acids that is methylphosphonic acid in which one of the methyl hydrogens is replaced by a [(2R)-1-(6-amino-9H-purin-9-yl)propan-2-yl]oxy group. An inhibitor of HIV-1 reverse transcriptase, the bis(isopropyloxycarbonyloxymethyl) ester (disoproxil ester) prodrug is used as the fumaric acid salt in combination therapy for the treatment of HIV infection. | 2.05 | 1 | 0 | nucleoside analogue; phosphonic acids | antiviral drug; drug metabolite; HIV-1 reverse transcriptase inhibitor |
posaconazole [no description available] | 2.53 | 2 | 0 | aromatic ether; conazole antifungal drug; N-arylpiperazine; organofluorine compound; oxolanes; triazole antifungal drug; triazoles | trypanocidal drug |
l 743,872 [no description available] | 2.13 | 1 | 0 | | |
dibekacin Dibekacin: Analog of KANAMYCIN with antitubercular as well as broad-spectrum antimicrobial properties.. dibekacin : A kanamycin that is kanamycin B lacking the 3- and 4-hydroxy groups on the 2,6-diaminosugar ring. | 2.04 | 1 | 0 | kanamycins | antibacterial agent; protein synthesis inhibitor |
rubitecan rubitecan: RN refers to (+-)-isomer; anti-HIV agent; DNA Topoisomerases, Type I inhibitor. rubitecan : A pyranoindolizinoquinoline that is camptothecin in which the hydrogen at position 9 has been replaced by a nitro group. It is a prodrug for 9-aminocamptothecin. | 2.47 | 2 | 0 | C-nitro compound; delta-lactone; pyranoindolizinoquinoline; semisynthetic derivative; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; prodrug |
micafungin Micafungin: A cyclic lipo-hexapeptide echinocandin antifungal agent that is used for the treatment and prevention of CANDIDIASIS.. micafungin : A cyclic hexapeptide echinocandin antibiotic which exerts its effect by inhibiting the synthesis of 1,3-beta-D-glucan, an integral component of the fungal cell wall. It is used as the sodium salt for the treatment of invasive candidiasis, and of aspergillosis in patients who are intolerant of other therapy. | 2.05 | 1 | 0 | antibiotic antifungal drug; echinocandin | antiinfective agent |
shikonin shikonin: a naphthazarin; has antineoplastic and angiogenesis inhibiting activities | 2.31 | 1 | 0 | hydroxy-1,4-naphthoquinone | |
riboflavin vitamin B2 : Any member of a group of vitamers that belong to the chemical structural class called flavins that exhibit biological activity against vitamin B2 deficiency. Symptoms associated with vitamin B2 deficiency include glossitis, seborrhea, angular stomaitis, cheilosis and photophobia. The vitamers include riboflavin and its phosphate derivatives (and includes their salt, ionised and hydrate forms). | 2.45 | 2 | 0 | flavin; vitamin B2 | anti-inflammatory agent; antioxidant; cofactor; Escherichia coli metabolite; food colouring; fundamental metabolite; human urinary metabolite; mouse metabolite; photosensitizing agent; plant metabolite |
potassium permanganate Potassium Permanganate: Permanganic acid (HMnO4), potassium salt. A highly oxidative, water-soluble compound with purple crystals, and a sweet taste. (From McGraw-Hill Dictionary of Scientific and Technical Information, 4th ed) | 2.34 | 2 | 0 | | |
sodium bicarbonate Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 2.44 | 2 | 0 | one-carbon compound; organic sodium salt | antacid; food anticaking agent |
sodium acetate, anhydrous Sodium Acetate: The trihydrate sodium salt of acetic acid, which is used as a source of sodium ions in solutions for dialysis and as a systemic and urinary alkalizer, diuretic, and expectorant. | 2.05 | 1 | 0 | organic sodium salt | NMR chemical shift reference compound |
sodium benzoate Sodium Benzoate: The sodium salt of BENZOIC ACID. It is used as an antifungal preservative in pharmaceutical preparations and foods. It may also be used as a test for liver function.. sodium benzoate : An organic sodium salt resulting from the replacement of the proton from the carboxy group of benzoic acid by a sodium ion. | 2.05 | 1 | 0 | organic sodium salt | algal metabolite; antimicrobial food preservative; drug allergen; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; human xenobiotic metabolite; plant metabolite |
n-desmethylflunitrazepam N-desmethylflunitrazepam: metabolite of flunitrazepam | 1.95 | 1 | 0 | | |
dipyrone Dipyrone: A drug that has analgesic, anti-inflammatory, and antipyretic properties. It is the sodium sulfonate of AMINOPYRINE.. metamizole sodium : An organic sodium salt of antipyrine substituted at C-4 by a methyl(sulfonatomethyl)amino group, commonly used as a powerful analgesic and antipyretic. | 2.45 | 2 | 0 | organic sodium salt | anti-inflammatory agent; antipyretic; antirheumatic drug; cyclooxygenase 3 inhibitor; non-narcotic analgesic; peripheral nervous system drug; prodrug |
ditiocarb sodium [no description available] | 2.05 | 1 | 0 | organic molecular entity | |
Tetrahydropiperine [no description available] | 2.05 | 1 | 0 | benzodioxoles | |
4-[[bis(2-hydroxyethyl)amino]methyl]-2,6-ditert-butylphenol [no description available] | 2.04 | 1 | 0 | alkylbenzene | |
7-methyl-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one [no description available] | 1.95 | 1 | 0 | benzodiazepine | |
aceglatone aceglatone: structure in Merck | 2.04 | 1 | 0 | organic molecular entity | |
carbenoxolone [no description available] | 2.74 | 3 | 0 | | |
isomethyleugenol Methylation: Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) | 2.37 | 2 | 0 | isomethyleugenol | |
piperine piperine : A N-acylpiperidine that is piperidine substituted by a (1E,3E)-1-(1,3-benzodioxol-5-yl)-5-oxopenta-1,3-dien-5-yl group at the nitrogen atom. It is an alkaloid isolated from the plant Piper nigrum. | 2.05 | 1 | 0 | benzodioxoles; N-acylpiperidine; piperidine alkaloid; tertiary carboxamide | food component; human blood serum metabolite; NF-kappaB inhibitor; plant metabolite |
stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 2.49 | 2 | 0 | stilbene | |
ilepcimide ilepcimide: structure given in first source; RN given refers to compound with no isomeric designation | 2.05 | 1 | 0 | benzodioxoles | |
discodermolide [no description available] | 2.05 | 1 | 0 | diterpenoid | |
flavin mononucleotide [no description available] | 2.04 | 1 | 0 | flavin mononucleotide; vitamin B2 | bacterial metabolite; coenzyme; cofactor; human metabolite; mouse metabolite |
cannabidiol Cannabidiol: Compound isolated from Cannabis sativa extract.. cannabidiol : An cannabinoid that is cyclohexene which is substituted by a methyl group at position 1, a 2,6-dihydroxy-4-pentylphenyl group at position 3, and a prop-1-en-2-yl group at position 4. | 2.05 | 1 | 0 | olefinic compound; phytocannabinoid; resorcinols | antimicrobial agent; plant metabolite |
arginine vasopressin Arginine Vasopressin: The predominant form of mammalian antidiuretic hormone. It is a nonapeptide containing an ARGININE at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. Arg-vasopressin is used to treat DIABETES INSIPIDUS or to improve vasomotor tone and BLOOD PRESSURE.. argipressin : The predominant form of mammalian vasopressin (antidiuretic hormone). It is a nonapeptide containing an arginine at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. | 2.08 | 1 | 0 | vasopressin | cardiovascular drug; hematologic agent; mitogen |
mezlocillin Mezlocillin: Semisynthetic ampicillin-derived acylureido penicillin. It has been proposed for infections with certain anaerobes and may be useful in inner ear, bile, and CNS infections.. mezlocillin : A penicillin in which the substituent at position 6 of the penam ring is a (2R)-2-[3-(methanesulfonyl)-2-oxoimidazolidine-1-carboxamido]-2-phenylacetamido group. | 2.04 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
amygdalin (R)-amygdalin : An amygdalin in which the stereocentre on the cyanohydrin function has R-configuration. | 2.04 | 1 | 0 | amygdalin | antineoplastic agent; apoptosis inducer; plant metabolite |
trilostane trilostane: inhibits conversion of pregnenolone to progesterone; adrenal blocking agent used in treatment of Cushing's syndrome. trilostane : An epoxy steroid that is 3,17beta-dihydroxy-5alpha-androst-2-ene-2-carbonitrile in which the oxygen of the epoxy group is joined to the 4alpha and 5 alpha positions. | 2.08 | 1 | 0 | 17beta-hydroxy steroid; 3-hydroxy steroid; androstanoid; epoxy steroid; nitrile | abortifacient; antineoplastic agent; EC 1.1.1.210 [3beta(or 20alpha)-hydroxysteroid dehydrogenase] inhibitor |
mitobronitol Mitobronitol: Brominated analog of MANNITOL which is an antineoplastic agent appearing to act as an alkylating agent. | 2.44 | 2 | 0 | alcohol; organobromine compound | |
prednisolone hemisuccinate prednisolone hemisuccinate: RN given refers to (11 beta)-isomer. prednisolone succinate : A hemisuccinate resulting from the formal condensation of the 21-hydroxy group prednisolone with one of the carboxy groups of succinic acid. It is used to treat mild to moderate non-infectious eye allergies and inflammation, including damage caused by chemical and thermal burns. | 2.04 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(1),Delta(4)-steroid; hemisuccinate; tertiary alpha-hydroxy ketone | anti-inflammatory drug |
leuprolide acetate leuprolide acetate : An acetate salt obtained by combining the nonapeptide leuprolide with acetic acid. A long lasting GnRH analog, LH-Rh agonist. It is a synthetic nonapeptide analogue of gonadotropin-releasing hormone, and is used as a subcutaneous hydrogel implant for the treatment of prostate cancer and for the suppression of gonadal sex hormone production in children with central precocious puberty. | 2.08 | 1 | 0 | acetate salt | antineoplastic agent; gonadotropin releasing hormone agonist |
leuprolide Leuprolide: A potent synthetic long-acting agonist of GONADOTROPIN-RELEASING HORMONE that regulates the synthesis and release of pituitary gonadotropins, LUTEINIZING HORMONE and FOLLICLE STIMULATING HORMONE.. leuprolide : An oligopeptide comprising pyroglutamyl, histidyl, tryptophyl, seryl, tyrosyl, D-leucyl, leucyl, arginyl, and N-ethylprolinamide residues joined in sequence. It is a synthetic nonapeptide analogue of gonadotropin-releasing hormone, and is used as a subcutaneous hydrogel implant (particularly as the acetate salt) for the treatment of prostate cancer and for the suppression of gonadal sex hormone production in children with central precocious puberty. | 2.45 | 2 | 0 | oligopeptide | anti-estrogen; antineoplastic agent; gonadotropin releasing hormone agonist |
octotropine methylbromide octotropine methylbromide: minor descriptor (65-86); on line & INDEX MEDICUS search TROPANES (69-86); RN given refers to endo-isomer. anisotropine methylbromide : A quaternary ammonium salt resulting from the reaction of the amino group of anisotropine with methyl bromide. | 2.74 | 3 | 0 | | |
fludarabine [no description available] | 2.04 | 1 | 0 | purine nucleoside | |
dithizone Dithizone: Chelating agent used for heavy metal poisoning and assay. It causes diabetes. | 1.96 | 1 | 0 | | |
propylthiouracil Propylthiouracil: A thiourea antithyroid agent. Propythiouracil inhibits the synthesis of thyroxine and inhibits the peripheral conversion of throxine to tri-iodothyronine. It is used in the treatment of hyperthyroidism. (From Martindale, The Extra Pharmacopeoia, 30th ed, p534). 6-propyl-2-thiouracil : A pyrimidinethione consisting of uracil in which the 2-oxo group is substituted by a thio group and the hydrogen at position 6 is substituted by a propyl group. | 2.75 | 3 | 0 | pyrimidinethione | antidote to paracetamol poisoning; antimetabolite; antioxidant; antithyroid drug; carcinogenic agent; EC 1.14.13.39 (nitric oxide synthase) inhibitor; hormone antagonist |
nsc 4347 NSC 4347: structure in first source | 2.04 | 1 | 0 | | |
ipratropium bromide anhydrous [no description available] | 2.05 | 1 | 0 | | |
methylatropine nitrate [no description available] | 2.04 | 1 | 0 | | |
prothionamide Prothionamide: Antitubercular agent similar in action and side effects to ETHIONAMIDE. It is used mostly in combination with other agents. | 2.05 | 1 | 0 | pyridines | |
etomidate Etomidate: Imidazole derivative anesthetic and hypnotic with little effect on blood gases, ventilation, or the cardiovascular system. It has been proposed as an induction anesthetic.. etomidate : The ethyl ester of 1-[(1R)-1-phenylethyl]-1H-imidazole-5-carboxylic acid. It is an intravenous general anaesthetic with no analgesic activity. | 2.45 | 2 | 0 | ethyl ester; imidazoles | intravenous anaesthetic; sedative |
mercaptopurine Mercaptopurine: An antimetabolite antineoplastic agent with immunosuppressant properties. It interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia.. purine-6-thiol : A thiol that is the tautomer of mercaptopurine.. mercaptopurine : A member of the class of purines that is 6,7-dihydro-1H-purine carrying a thione group at position 6. An adenine analogue, it is used in the treatment of acute lymphocytic leukemia (ALL), chronic myeloid leukemia (CML), Crohn's disease, and ulcerative colitis. | 2.97 | 4 | 0 | aryl thiol; purines; thiocarbonyl compound | anticoronaviral agent; antimetabolite; antineoplastic agent |
thioinosine Thioinosine: Sulfhydryl analog of INOSINE that inhibits nucleoside transport across erythrocyte plasma membranes, and has immunosuppressive properties. It has been used similarly to MERCAPTOPURINE in the treatment of leukemia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p503) | 2.04 | 1 | 0 | | |
levosulpiride (S)-(-)-sulpiride : An optically active form of sulpiride having (S)-configuration. The active enantiomer of the racemic drug sulpiride. Selective D2-like dopamine antagonist (Ki values are ~ 0.015. ~ 0.013, 1, ~ 45 and ~ 77 muM at D2, D3, D4, D1 and D5 receptors respectively). | 2.08 | 1 | 0 | sulpiride | antidepressant; antiemetic; antipsychotic agent; dopaminergic antagonist |
5-amino-3-(4-methoxyphenyl)-4-oxo-1-thieno[3,4-d]pyridazinecarboxylic acid ethyl ester [no description available] | 3.18 | 1 | 0 | methoxybenzenes; substituted aniline | |
lobeline [no description available] | 2.04 | 1 | 0 | | |
huperzine a [no description available] | 2.55 | 2 | 0 | organic heterotricyclic compound; primary amino compound; pyridone; sesquiterpene alkaloid | EC 3.1.1.7 (acetylcholinesterase) inhibitor; neuroprotective agent; nootropic agent; plant metabolite |
flunarizine Flunarizine: Flunarizine is a selective calcium entry blocker with calmodulin binding properties and histamine H1 blocking activity. It is effective in the prophylaxis of migraine, occlusive peripheral vascular disease, vertigo of central and peripheral origin, and as an adjuvant in the therapy of epilepsy. | 2.05 | 1 | 0 | diarylmethane | |
thiothixene [no description available] | 2.04 | 1 | 0 | N-methylpiperazine | anticoronaviral agent |
eszopiclone Eszopiclone: A pyridine, pyrazine, and piperazine derivative that is used as a HYPNOTIC AND SEDATIVE in the treatment of INSOMNIA.. eszopiclone : The (5S)- (active) enantiomer of zopiclone. Unlike almost all other hypnotic sedatives, which are approved only for the relief of short-term (6-8 weeks) insomnia, eszopiclone is approved by the U.S. Food and Drug Administration for long-term use. | 2.08 | 1 | 0 | zopiclone | central nervous system depressant; sedative |
curcumin Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.. curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. | 3.68 | 8 | 0 | aromatic ether; beta-diketone; diarylheptanoid; enone; polyphenol | anti-inflammatory agent; antifungal agent; antineoplastic agent; biological pigment; contraceptive drug; dye; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; flavouring agent; food colouring; geroprotector; hepatoprotective agent; immunomodulator; iron chelator; ligand; lipoxygenase inhibitor; metabolite; neuroprotective agent; nutraceutical; radical scavenger |
benztropine Benztropine: A centrally active muscarinic antagonist that has been used in the symptomatic treatment of PARKINSON DISEASE. Benztropine also inhibits the uptake of dopamine.. benzatropine : Tropane in which a hydrogen at position 3 is substituted by a diphenylmethoxy group (endo-isomer). An acetylcholine receptor antagonist, it is used (particularly as its methanesulphonate salt) in the treatment of Parkinson's disease, and to reduce parkinsonism and akathisia side effects of antipsychotic treatments. | 2.04 | 1 | 0 | diarylmethane | |
thiouracil Thiouracil: Occurs in seeds of Brassica and Crucifera species. Thiouracil has been used as antithyroid, coronary vasodilator, and in congestive heart failure although its use has been largely supplanted by other drugs. It is known to cause blood dyscrasias and suspected of terato- and carcinogenesis.. thiouracil : A nucleobase analogue that is uracil in which the oxo group at C-2 is replaced by a thioxo group. | 2.44 | 2 | 0 | nucleobase analogue; thiocarbonyl compound | antithyroid drug; metabolite |
methimazole Methimazole: A thioureylene antithyroid agent that inhibits the formation of thyroid hormones by interfering with the incorporation of iodine into tyrosyl residues of thyroglobulin. This is done by interfering with the oxidation of iodide ion and iodotyrosyl groups through inhibition of the peroxidase enzyme.. methimazole : A member of the class of imidazoles that it imidazole-2-thione in which a methyl group replaces the hydrogen which is attached to a nitrogen. | 2.75 | 3 | 0 | 1,3-dihydroimidazole-2-thiones | antithyroid drug |
cinnarizine Cinnarizine: A piperazine derivative having histamine H1-receptor and calcium-channel blocking activity with vasodilating and antiemetic properties but it induces PARKINSONIAN DISORDERS. | 2.08 | 1 | 0 | diarylmethane; N-alkylpiperazine; olefinic compound | anti-allergic agent; antiemetic; calcium channel blocker; geroprotector; H1-receptor antagonist; histamine antagonist; muscarinic antagonist |
sulindac Sulindac: A sulfinylindene derivative prodrug whose sulfinyl moiety is converted in vivo to an active NSAID analgesic. Specifically, the prodrug is converted by liver enzymes to a sulfide which is excreted in the bile and then reabsorbed from the intestine. This helps to maintain constant blood levels with reduced gastrointestinal side effects.. sulindac : A monocarboxylic acid that is 1-benzylidene-1H-indene which is substituted at positions 2, 3, and 5 by methyl, carboxymethyl, and fluorine respectively, and in which the phenyl group of the benzylidene moiety is substituted at the para position by a methylsulfinyl group. It is a prodrug for the corresponding sulfide, a non-steroidal anti-inflammatory drug, used particularly in the treatment of acute and chronic inflammatory conditions. | 3.01 | 4 | 0 | monocarboxylic acid; organofluorine compound; sulfoxide | analgesic; antineoplastic agent; antipyretic; apoptosis inducer; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug; tocolytic agent |
capsaicin ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief. capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers. | 2.05 | 1 | 0 | capsaicinoid | non-narcotic analgesic; TRPV1 agonist; voltage-gated sodium channel blocker |
terbinafine [no description available] | 3.02 | 4 | 0 | acetylenic compound; allylamine antifungal drug; enyne; naphthalenes; tertiary amine | EC 1.14.13.132 (squalene monooxygenase) inhibitor; P450 inhibitor; sterol biosynthesis inhibitor |
epalrestat epalrestat : A monocarboxylic acid that is 1,3-thiazolidine which is substituted on the nitrogen by a carboxymethyl group, at positions 2 and 4 by thioxo and oxo groups, respectively, and at position 5 by a 2-methyl-3-phenylprop-2-en-1-ylidene group. It is an inhibitor of aldose reductase (which catalyses the conversion of glucose to sorbitol) and is used for the treatment of some diabetic complications, including neuropathy. | 3.59 | 2 | 0 | monocarboxylic acid; thiazolidines | EC 1.1.1.21 (aldehyde reductase) inhibitor |
1,4-benzoquinone guanylhydrazone thiosemicarbazone 1,4-benzoquinone guanylhydrazone thiosemicarbazone: structure given in first source | 2.04 | 1 | 0 | | |
drotaverin drotaverin: Hungarian drug; RN given refers to parent cpd; structure | 2.08 | 1 | 0 | isoquinolines | |
thioguanine anhydrous Thioguanine: An antineoplastic compound which also has antimetabolite action. The drug is used in the therapy of acute leukemia.. tioguanine : A 2-aminopurine that is the 6-thiono derivative of 2-amino-1,9-dihydro-6H-purine. Incorporates into DNA and inhibits synthesis. Used in the treatment of leukaemia. | 2.45 | 2 | 0 | 2-aminopurines | anticoronaviral agent; antimetabolite; antineoplastic agent |
tacrine hydrochloride [no description available] | 2.05 | 1 | 0 | | |
thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 1.96 | 1 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
sodium propionate sodium propionate: was term of propionic acid (1986-2006). sodium propionate : An organic sodium salt comprising equal numbers of sodium and propionate ions. | 2.05 | 1 | 0 | organic sodium salt | antifungal drug; food preservative |
digoxin Digoxin: A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666). digoxin : A cardenolide glycoside that is digitoxin beta-hydroxylated at C-12. A cardiac glycoside extracted from the foxglove plant, Digitalis lanata, it is used to control ventricular rate in atrial fibrillation and in the management of congestive heart failure with atrial fibrillation, but the margin between toxic and therapeutic doses is small. | 2.96 | 4 | 0 | cardenolide glycoside; steroid saponin | anti-arrhythmia drug; cardiotonic drug; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; epitope |
6-thioguanosine 6-thioguanosine: RN given refers to cpd without isomeric designation | 2.04 | 1 | 0 | purine nucleoside | |
streptozocin [no description available] | 2.45 | 2 | 0 | | |
tamoxifen [no description available] | 2.75 | 3 | 0 | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator |
7-hydroxyindole [no description available] | 2.11 | 1 | 0 | | |
ethionamide Ethionamide: A second-line antitubercular agent that inhibits mycolic acid synthesis.. ethionamide : A thiocarboxamide that is pyridine-4-carbothioamide substituted by an ethyl group at position 2. A prodrug that undergoes metabolic activation by conversion to the corresponding S-oxide. | 2.74 | 3 | 0 | pyridines; thiocarboxamide | antilipemic drug; antitubercular agent; fatty acid synthesis inhibitor; leprostatic drug; prodrug |
2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole 2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole: an amyloid imaging agent; structure in first source | 3.18 | 1 | 0 | | |
zeranol Zeranol: A non-steroidal estrogen analog. | 2.04 | 1 | 0 | macrolide | |
fusidic acid Fusidic Acid: An antibiotic isolated from the fermentation broth of Fusidium coccineum. (From Merck Index, 11th ed). It acts by inhibiting translocation during protein synthesis.. fusidic acid : A steroid antibiotic that is isolated from the fermentation broth of Fusidium coccineum. | 2.73 | 3 | 0 | 11alpha-hydroxy steroid; 3alpha-hydroxy steroid; alpha,beta-unsaturated monocarboxylic acid; steroid acid; steroid antibiotic; sterol ester | EC 2.7.1.33 (pantothenate kinase) inhibitor; Escherichia coli metabolite; protein synthesis inhibitor |
artemotil artemotil: structure given in first source; RN given refers to cpd without isomeric designation | 2.05 | 1 | 0 | artemisinin derivative | |
lincomycin Lincomycin: An antibiotic produced by Streptomyces lincolnensis var. lincolnensis. It has been used in the treatment of staphylococcal, streptococcal, and Bacteroides fragilis infections.. lincomycin : A carbohydrate-containing antibiotic produced by the actinomyces Streptomyces lincolnensis. | 2.04 | 1 | 0 | carbohydrate-containing antibiotic; L-proline derivative; monocarboxylic acid amide; pyrrolidinecarboxamide; S-glycosyl compound | antimicrobial agent; bacterial metabolite |
valinomycin Valinomycin: A cyclododecadepsipeptide ionophore antibiotic produced by Streptomyces fulvissimus and related to the enniatins. It is composed of 3 moles each of L-valine, D-alpha-hydroxyisovaleric acid, D-valine, and L-lactic acid linked alternately to form a 36-membered ring. (From Merck Index, 11th ed) Valinomycin is a potassium selective ionophore and is commonly used as a tool in biochemical studies.. valinomycin : A twelve-membered cyclodepsipeptide composed of three repeating D-alpha-hydroxyisovaleryl-D-valyl-L-lactoyl-L-valyl units joined in sequence. An antibiotic found in several Streptomyces strains. | 2.08 | 1 | 0 | cyclodepsipeptide; macrocycle | antimicrobial agent; antiviral agent; bacterial metabolite; potassium ionophore |
thiopental Thiopental: A barbiturate that is administered intravenously for the induction of general anesthesia or for the production of complete anesthesia of short duration.. thiopental : A barbiturate, the structure of which is that of 2-thiobarbituric acid substituted at C-5 by ethyl and sec-pentyl groups. | 2.04 | 1 | 0 | barbiturates | anticonvulsant; drug allergen; environmental contaminant; intravenous anaesthetic; sedative; xenobiotic |
estrone sulfate estrone sulfate: sulfoconjugated estrone; RN given refers to parent cpd | 2.05 | 1 | 0 | 17-oxo steroid; steroid sulfate | human metabolite; mouse metabolite |
thiocarlide thiocarlide: major descriptor (68-85); on-line search PHENYLTHIOUREA/AA (68-85); Index Medicus search THIOCARLIDE (68-85); Antitubercular Agent | 2.04 | 1 | 0 | thioureas | |
hmr 3647 [no description available] | 2.47 | 2 | 0 | | |
latoconazole latoconazole: RN refers to cpd without isomeric designation; latoconazole is (E)-isomer; structure given in first source | 2.08 | 1 | 0 | conazole antifungal drug; imidazole antifungal drug | |
maraviroc [no description available] | 2.08 | 1 | 0 | tropane alkaloid | |
toremifene citrate [no description available] | 3.61 | 2 | 0 | stilbenoid | anticoronaviral agent |
toremifene Toremifene: A first generation selective estrogen receptor modulator (SERM). Like TAMOXIFEN, it is an estrogen agonist for bone tissue and cholesterol metabolism but is antagonistic on mammary and uterine tissue. | 2.45 | 2 | 0 | aromatic ether; organochlorine compound; tertiary amine | antineoplastic agent; bone density conservation agent; estrogen antagonist; estrogen receptor modulator |
zinc oxide Diaper Rash: A type of irritant dermatitis localized to the area in contact with a diaper and occurring most often as a reaction to prolonged contact with urine, feces, or retained soap or detergent. | 2.36 | 2 | 0 | | |
telaprevir [no description available] | 2.05 | 1 | 0 | cyclopentapyrrole; cyclopropanes; oligopeptide; pyrazines | antiviral drug; hepatitis C protease inhibitor; peptidomimetic |
nelarabine nelarabine: prodrug of ara-G. nelarabine : A purine nucleoside in which O-methylguanine is attached to arabinofuranose via a beta-N(9)-glycosidic bond. Inhibits DNA synthesis and causes cell death; a prodrug of 9-beta-D-arabinofuranosylguanine (ara-G). | 2.08 | 1 | 0 | beta-D-arabinoside; monosaccharide derivative; purine nucleoside | antineoplastic agent; DNA synthesis inhibitor; prodrug |
an-1792 [no description available] | 4.13 | 2 | 0 | | |
albutoin albutoin: structure | 2.04 | 1 | 0 | organonitrogen compound; organooxygen compound | |
iodothiouracil [no description available] | 2.04 | 1 | 0 | organohalogen compound; pyrimidines | |
droloxifene [no description available] | 2.05 | 1 | 0 | stilbenoid | |
or 1259 [no description available] | 2.05 | 1 | 0 | hydrazone; nitrile; pyridazinone | anti-arrhythmia drug; cardiotonic drug; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; vasodilator agent |
mannomustine Mannomustine: Nitrogen mustard derivative alkylating agent used as antineoplastic. It causes severe bone marrow depression and is a powerful vesicant. | 2.04 | 1 | 0 | amino alcohol | |
gestodene Gestodene: synthetic steroid with progestational activity; RN given refers to (17alpha)-isomer | 2.97 | 4 | 0 | steroid | estrogen |
glucametacin glucametacin: indomethacin analog; structure | 2.45 | 2 | 0 | | |
orlistat Orlistat: A lactone derivative of LEUCINE that acts as a pancreatic lipase inhibitor to limit the absorption of dietary fat; it is used in the management of obesity.. orlistat : A carboxylic ester resulting from the formal condensation of the carboxy group of N-formyl-L-leucine with the hydroxy group of (3S,4S)-3-hexyl-4-[(2S)-2-hydroxytridecyl]oxetan-2-one. A pancreatic lipase inhibitor, it is used as an anti-obesity drug. | 2.47 | 2 | 0 | beta-lactone; carboxylic ester; formamides; L-leucine derivative | anti-obesity agent; bacterial metabolite; EC 2.3.1.85 (fatty acid synthase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor |
idoxifene idoxifene: structure given in first source | 2.05 | 1 | 0 | stilbenoid | |
quinine [no description available] | 2.47 | 2 | 0 | cinchona alkaloid | antimalarial; muscle relaxant; non-narcotic analgesic |
1-(2-(2-(4-pyridyl)-2-imidazoline-1-yl)ethyl)-3-(4-carboxyphenyl)urea 1-(2-(2-(4-pyridyl)-2-imidazoline-1-yl)ethyl)-3-(4-carboxyphenyl)urea: RN given refers to parent cpd; structure in first source | 2.04 | 1 | 0 | | |
azilect [no description available] | 2.08 | 1 | 0 | | |
rasagiline [no description available] | 2.59 | 2 | 0 | indanes; secondary amine; terminal acetylenic compound | EC 1.4.3.4 (monoamine oxidase) inhibitor; neuroprotective agent |
dasatinib N-(2-chloro-6-methylphenyl)-2-((6-(4-(2-hydroxyethyl)piperazin-1-yl)-2-methylpyrimidin-4-yl)amino)-1,3-thiazole-5-carboxamide: a dasatinib prodrug; structure in first source. dasatinib (anhydrous) : An aminopyrimidine that is 2-methylpyrimidine which is substituted at position 4 by the primary amino group of 2-amino-1,3-thiazole-5-carboxylic acid and at position 6 by a 4-(2-hydroxyethyl)piperazin-1-yl group, and in which the carboxylic acid group has been formally condensed with 2-chloro-6-methylaniline to afford the corresponding amide. A multi-targeted kinase inhibitor, it is used, particularly as the monohydrate, for the treatment of chronic, accelerated, or myeloid or lymphoid blast phase chronic myeloid leukemia. Note that the name 'dasatinib' is used to refer to the monohydrate (USAN) as well as to anhydrous dasatinib (INN). | 2.08 | 1 | 0 | 1,3-thiazoles; aminopyrimidine; monocarboxylic acid amide; N-(2-hydroxyethyl)piperazine; N-arylpiperazine; organochlorine compound; secondary amino compound; tertiary amino compound | anticoronaviral agent; antineoplastic agent; tyrosine kinase inhibitor |
zd 6474 CH 331: structure in first source | 2.05 | 1 | 0 | aromatic ether; organobromine compound; organofluorine compound; piperidines; quinazolines; secondary amine | antineoplastic agent; tyrosine kinase inhibitor |
silybin [no description available] | 2.05 | 1 | 0 | | |
sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 2.35 | 2 | 0 | organic sodium salt | detergent; protein denaturant |
chloramine-t chloramine-T: RN given refers to unlabeled parent cpd. chloramine T : An organic sodium salt derivative of toluene-4-sulfonamide with a chloro substituent in place of an amino hydrogen. | 2.05 | 1 | 0 | organic sodium salt | allergen; antifouling biocide; disinfectant |
alpha-chymotrypsin Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 4.02 | 3 | 1 | | |
17-ketosteroids 17-Ketosteroids: Steroids that contain a ketone group at position 17.. 17-oxo steroid : Any oxo steroid carrying the oxo group at position 17. | 1.95 | 1 | 0 | | |
sitagliptin sitagliptin : A triazolopyrazine that exhibits hypoglycemic activity. | 2.08 | 1 | 0 | triazolopyrazine; trifluorobenzene | EC 3.4.14.5 (dipeptidyl-peptidase IV) inhibitor; environmental contaminant; hypoglycemic agent; serine proteinase inhibitor; xenobiotic |
iododiflunisal iododiflunisal: an amyloid inhibitor; structure in first source | 2.31 | 1 | 0 | | |
flosequinan [no description available] | 2.05 | 1 | 0 | quinolines | |
tolcapone Tolcapone: A benzophenone and nitrophenol compound that acts as an inhibitor of CATECHOL O-METHYLTRANSFERASE, an enzyme involved in the metabolism of DOPAMINE and LEVODOPA. It is used in the treatment of PARKINSON DISEASE in patients for whom levodopa is ineffective or contraindicated.. tolcapone : Benzophenone substituted on one of the phenyl rings at C-3 and C-4 by hydroxy groups and at C-5 by a nitro group, and on the other phenyl ring by a methyl group at C-4. It is an inhibitor of catechol O-methyltransferase. | 3 | 4 | 0 | 2-nitrophenols; benzophenones; catechols | antiparkinson drug; EC 2.1.1.6 (catechol O-methyltransferase) inhibitor |
alsterpaullone alsterpaullone: structure in first source. alsterpaullone : An organic heterotetracyclic compound that is 1,3-dihydro-2H-1-benzazepin-2-one which shares its 4-5 bond with the 3-2 bond of 5-nitro-1H-indole. | 2.05 | 1 | 0 | C-nitro compound; caprolactams; organic heterotetracyclic compound | anti-HIV-1 agent; antineoplastic agent; apoptosis inducer; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor; EC 2.7.11.26 (tau-protein kinase) inhibitor |
ku 55933 2-morpholin-4-yl-6-thianthren-1-yl-pyran-4-one: specific inhibitor of the ataxia-telangiectasia mutated kinase ATM; structure in first source | 2.07 | 1 | 0 | | |
quercetin [no description available] | 4.14 | 5 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger |
bilirubin [no description available] | 2.37 | 2 | 0 | biladienes; dicarboxylic acid | antioxidant; human metabolite; mouse metabolite |
dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.05 | 1 | 0 | prostaglandins E | human metabolite; mouse metabolite; oxytocic |
dinoprost Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 2.45 | 2 | 0 | monocarboxylic acid; prostaglandins Falpha | human metabolite; mouse metabolite |
luteolin [no description available] | 2.31 | 1 | 0 | 3'-hydroxyflavonoid; tetrahydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; c-Jun N-terminal kinase inhibitor; EC 2.3.1.85 (fatty acid synthase) inhibitor; immunomodulator; nephroprotective agent; plant metabolite; radical scavenger; vascular endothelial growth factor receptor antagonist |
calcitriol dihydroxy-vitamin D3: as a major in vitro metabolite of 1alpha,25-dihydroxyvitamin D3, produced in primary cultures of neonatal human keratinocytes | 2.75 | 3 | 0 | D3 vitamins; hydroxycalciol; triol | antineoplastic agent; antipsoriatic; bone density conservation agent; calcium channel agonist; calcium channel modulator; hormone; human metabolite; immunomodulator; metabolite; mouse metabolite; nutraceutical |
beta carotene beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 2.45 | 2 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
hymecromone Hymecromone: A coumarin derivative possessing properties as a spasmolytic, choleretic and light-protective agent. It is also used in ANALYTICAL CHEMISTRY TECHNIQUES for the determination of NITRIC ACID. | 2.04 | 1 | 0 | hydroxycoumarin | antineoplastic agent; hyaluronic acid synthesis inhibitor |
alprostadil [no description available] | 2.97 | 4 | 0 | prostaglandins E | anticoagulant; human metabolite; platelet aggregation inhibitor; vasodilator agent |
vitamin d 2 Ergocalciferols: Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.. vitamin D2 : A vitamin D supplement and has been isolated from alfalfa. | 2.08 | 1 | 0 | hydroxy seco-steroid; seco-ergostane; vitamin D | bone density conservation agent; nutraceutical; plant metabolite; rodenticide |
cholecalciferol Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 2.05 | 1 | 0 | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
amphotericin b Amphotericin B: Macrolide antifungal antibiotic produced by Streptomyces nodosus obtained from soil of the Orinoco river region of Venezuela.. amphotericin B : A macrolide antibiotic used to treat potentially life-threatening fungal infections. | 4.79 | 7 | 1 | antibiotic antifungal drug; macrolide antibiotic; polyene antibiotic | antiamoebic agent; antiprotozoal drug; bacterial metabolite |
clavulanic acid Clavulanic Acid: A beta-lactam antibiotic produced by the actinobacterium Streptomyces clavuligerus. It is a suicide inhibitor of bacterial beta-lactamase enzymes. Administered alone, it has only weak antibacterial activity against most organisms, but given in combination with other beta-lactam antibiotics it prevents antibiotic inactivation by microbial lactamase.. clavulanate : The conjugate base of clavulanic acid.. clavulanic acid : Antibiotic isolated from Streptomyces clavuligerus. It acts as a suicide inhibitor of bacterial beta-lactamase enzymes. | 2.45 | 2 | 0 | oxapenam | antibacterial drug; anxiolytic drug; bacterial metabolite; EC 3.5.2.6 (beta-lactamase) inhibitor |
pulmicort Budesonide: A glucocorticoid used in the management of ASTHMA, the treatment of various skin disorders, and allergic RHINITIS.. budesonide : A glucocorticoid steroid having a highly oxygenated pregna-1,4-diene structure. It is used mainly in the treatment of asthma and non-infectious rhinitis and for treatment and prevention of nasal polyposis. | 2.47 | 2 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; cyclic acetal; glucocorticoid; primary alpha-hydroxy ketone | anti-inflammatory drug; bronchodilator agent; drug allergen |
oxymetholone Oxymetholone: A synthetic hormone with anabolic and androgenic properties. It is used mainly in the treatment of anemias. According to the Fourth Annual Report on Carcinogens (NTP 85-002), this compound may reasonably be anticipated to be a carcinogen. (From Merck Index, 11th ed). oxymetholone : A 3-oxo-5alpha- steroid that is 4,5alpha-dihydrotestosterone which is substituted by a hydroxymethylidene group at position 2 and by a methyl group at the 17alpha position. A synthetic androgen, it was mainly used for the treatment of anaemias until being replaced by treatments with fewer side effects. | 2.47 | 2 | 0 | | |
pyrvinium pyrvinium: RN given refers to parent cpd; synonyms vanquin & vankin refer to pamoate[2:1]; structure in Merck Index, 9th ed, #7810. pyrvinium : A quinolinium ion that is 1-methylquinolinium substituted by dimethylamino group at position 6 and a (E)-2-(2,5-dimethyl-1-phenyl-1H-pyrrol-3-yl)ethenyl at position 2. It is a anthelminthic drug active against pinworms. The salts of pyrvinium can also be used as anticancer agents. | 1.97 | 1 | 0 | quinolinium ion | anthelminthic drug; antineoplastic agent |
eprosartan eprosartan: angiotensin II receptor antagonist. eprosartan : A member of the class of imidazoles and thiophenes that is an angiotensin II receptor antagonist used for the treatment of high blood pressure. | 2.46 | 2 | 0 | dicarboxylic acid; imidazoles; thiophenes | angiotensin receptor antagonist; antihypertensive agent; environmental contaminant; xenobiotic |
montelukast montelukast: a leukotriene D4 receptor antagonist | 2.05 | 1 | 0 | aliphatic sulfide; monocarboxylic acid; quinolines | anti-arrhythmia drug; anti-asthmatic drug; leukotriene antagonist |
brompheniramine maleate brompheniramine maleate : The maleic acid salt of brompheniramine. A histamine H1 receptor antagonist, it is used for the symptomatic relief of allergic conditions, including rhinitis and conjunctivitis. | 2.08 | 1 | 0 | maleate salt | anti-allergic agent |
dexchlorpheniramine maleate [no description available] | 2.08 | 1 | 0 | organic molecular entity | |
ethchlorvynol Ethchlorvynol: A sedative and hypnotic that has been used in the short-term management of INSOMNIA. Its use has been superseded by other drugs.. ethchlorvynol : Propargyl alcohol in which the methylene hydrogens are substituted by ethyl and 2-chlorovinyl groups. A hypnotic and sedative, it is used for treatment of insomnia in some cases where an intolerance or allergy to more commonly used drugs exists. | 2.04 | 1 | 0 | | |
mycophenolate mofetil mycophenolate mofetil : A carboxylic ester resulting from the formal condensation between the carboxylic acid group of mycophenolic acid and the hydroxy group of 2-(morpholin-4-yl)ethanol. In the liver, it is metabolised to mycophenolic acid, an immunosuppressant for which it is a prodrug. It is widely used to prevent tissue rejection following organ transplants as well as for the treatment of certain autoimmune diseases. | 2.47 | 2 | 0 | carboxylic ester; ether; gamma-lactone; phenols; tertiary amino compound | anticoronaviral agent; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; immunosuppressive agent; prodrug |
entacapone entacapone: structure given in first source. entacapone : A monocarboxylic acid amide that is N,N-diethylprop-2-enamide in which the hydrogen at position 2 is substituted by a cyano group and the hydrogen at the 3E position is substituted by a 3,4-dihydroxy-5-nitrophenyl group. | 2.47 | 2 | 0 | 2-nitrophenols; catechols; monocarboxylic acid amide; nitrile | antidyskinesia agent; antiparkinson drug; central nervous system drug; EC 2.1.1.6 (catechol O-methyltransferase) inhibitor |
astaxanthine astaxanthine: a keto form of carotene; pigment in flesh of Scottish salmon (Salmo salar) crustacoa-lobster (Homarus gammarus, flamingo feathers; structure; a carotenoid without vitamin A activity, has shown anti-oxidant and anti-inflammatory activities. astaxanthin : A carotenone that consists of beta,beta-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3S,3'S diastereomer). A carotenoid pigment found mainly in animals (crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester, or as a blue, brown or green chromoprotein. | 2.05 | 1 | 0 | carotenol; carotenone | animal metabolite; anticoagulant; antioxidant; food colouring; plant metabolite |
usambarensine usambarensine: structure given in first source | 2.05 | 1 | 0 | harmala alkaloid | |
baicalein [no description available] | 2.04 | 1 | 0 | trihydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.31 (arachidonate 12-lipoxygenase) inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; ferroptosis inhibitor; geroprotector; hormone antagonist; plant metabolite; prostaglandin antagonist; radical scavenger |
diosmin [no description available] | 2.05 | 1 | 0 | dihydroxyflavanone; disaccharide derivative; glycosyloxyflavone; monomethoxyflavone; rutinoside | anti-inflammatory agent; antioxidant |
myricetin [no description available] | 3.65 | 2 | 0 | 7-hydroxyflavonol; hexahydroxyflavone | antineoplastic agent; antioxidant; cyclooxygenase 1 inhibitor; food component; geroprotector; hypoglycemic agent; plant metabolite |
pterostilbene [no description available] | 3.25 | 1 | 0 | diether; methoxybenzenes; stilbenol | anti-inflammatory agent; antineoplastic agent; antioxidant; apoptosis inducer; hypoglycemic agent; neuroprotective agent; neurotransmitter; plant metabolite; radical scavenger |
cynarine cynarine: active principle of the artichoke; functions primarily as a cholagogue and choleretic and also as antilipemic agent | 2.74 | 3 | 0 | alkyl caffeate ester; quinic acid | plant metabolite |
rottlerin rottlerin: an angiogenesis inhibitor; an inhibitor of protein kinase Cdelta (PKCdelta) and calmodulin kinase III; RN refers to (E)-isomer; do not confuse this chalcone with an anthraquinone that is also called rottlerin (RN 481-72-1);. rottlerin : A chromenol that is 2,2-dimethyl-2H-chromene substituted by hydroxy groups at positions 5 and 7, a 3-acetyl-2,4,6-trihydroxy-5-methylbenzyl group at position 6 and a (1E)-3-oxo-1-phenylprop-1-en-3-yl group at position 8. A potassium channel opener, it is isolated from Mallotus philippensis. | 2.04 | 1 | 0 | aromatic ketone; benzenetriol; chromenol; enone; methyl ketone | anti-allergic agent; antihypertensive agent; antineoplastic agent; apoptosis inducer; K-ATP channel agonist; metabolite |
sdz psc 833 valspodar: nonimmunosuppressive cyclosporin analog which is a potent multidrug resistance modifier; 7-10 fold more potent than cyclosporin A; a potent P glycoprotein inhibitor; MW 1215 | 2.05 | 1 | 0 | homodetic cyclic peptide | |
l 660,711 [no description available] | 2.08 | 1 | 0 | quinolines | |
coenzyme q10 coenzyme Q10: Ubiquinone ring with a chain of 10 isoprene units; redox equilibrium with ubiqunol serving in mitochondrial inner membrane to transfer electrons; presence during reconstitution of acetylcholine receptor into phospholipid vesicles yields vesicles active in catalyzing carbamylcholine-sensitive Na+ flux; coenzyme Q10 depletion has been noted with use of statins. coenzyme Q10 : A ubiquinone having a side chain of 10 isoprenoid units. In the naturally occurring isomer, all isoprenyl double bonds are in the E- configuration. | 2.05 | 1 | 0 | ubiquinones | antioxidant; ferroptosis inhibitor; human metabolite |
rokitamycin rokitamycin: structure in first source | 2.04 | 1 | 0 | organic molecular entity | |
travoprost Travoprost: A cloprostenol derivative that is used as an ANTIHYPERTENSIVE AGENT in the treatment of OPEN-ANGLE GLAUCOMA and OCULAR HYPERTENSION.. travoprost : The isopropyl ester of prostaglandin F2alpha in which the pentyl group is replaced by a 3-(trifluoromethyl)phenoxymethyl group. A synthetic analogue of prostaglandin F2alpha, ophthalmic solutions of travoprost are used as a topical medication for controlling the progression of open-angle glaucoma and ocular hypertension, by reducing intraocular pressure. It is a pro-drug; the isopropyl ester group is hydrolysed by esterases in the cornea to the biologically active free acid, fluprostenol. | 2.08 | 1 | 0 | (trifluoromethyl)benzenes; isopropyl ester; prostaglandins Falpha | antiglaucoma drug; antihypertensive agent; ophthalmology drug; prodrug; prostaglandin receptor agonist |
tranilast tranilast: antiallergic drug; potent inhibitor of homologous passive cutaneous anaphylaxis. tranilast : An amidobenzoic acid that is anthranilic acid in which one of the anilino hydrogens is replaced by a 3,4-dimethoxycinnamoyl group. | 2.47 | 2 | 0 | amidobenzoic acid; cinnamamides; dimethoxybenzene; secondary carboxamide | anti-allergic agent; anti-asthmatic drug; antineoplastic agent; aryl hydrocarbon receptor agonist; calcium channel blocker; hepatoprotective agent; nephroprotective agent |
7432 s Ceftibuten: A cephalosporin antibacterial agent that is used in the treatment of infections, including urinary-tract and respiratory-tract infections.. ceftibuten : A third-generation cephalosporin antibiotic with a [(2Z)-2-(2-amino-1,3-thiazol-4-yl)-4-carboxybut-2-enoyl]amino substituent at the 7 position of the cephem skeleton. An orally-administered agent, ceftibuten is used as the dihydrate to treat urinary-tract and respiratory-tract infections. | 2.04 | 1 | 0 | cephalosporin; dicarboxylic acid | antibacterial drug |
imipenem [no description available] | 2.08 | 1 | 0 | carbapenems | |
etretinate retinoid : Oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene and derivatives thereof. | 2.75 | 3 | 0 | enoate ester; ethyl ester; retinoid | keratolytic drug |
isotretinoin Isotretinoin: A topical dermatologic agent that is used in the treatment of ACNE VULGARIS and several other skin diseases. The drug has teratogenic and other adverse effects.. isotretinoin : A retinoic acid that is all-trans-retinoic acid in which the double bond which is alpha,beta- to the carboxy group is isomerised to Z configuration. A synthetic retinoid, it is used for the treatment of severe cases of acne and other skin diseases. | 2.47 | 2 | 0 | retinoic acid | antineoplastic agent; keratolytic drug; teratogenic agent |
misoprostol Misoprostol: A synthetic analog of natural prostaglandin E1. It produces a dose-related inhibition of gastric acid and pepsin secretion, and enhances mucosal resistance to injury. It is an effective anti-ulcer agent and also has oxytocic properties.. misoprostol : A diastereoisomeric mixture composed of approximately equal amounts of a double racemate of four of the sixteen possible diastereoisomers of methyl (13E)-11,16-dihydroxy-16-methyl-9-oxoprost-13-en-1-oate that is racemic prostaglandin E1 which is lacking the hydroxy group at position 15, but which has an additional hydroxy group at position 16. It is a synthetic prostaglandin E1 analogue, used in the treatment of gastric and duodenal ulcers. A weak abortifacient, it is also used for cervical ripening prior to surgical termination of pregnancy. The (11R,16S)-diastereoisomer is the pharmacologically active form. | 2.45 | 2 | 0 | | |
ketotifen fumarate ketotifen fumarate : An organoammonium salt consisting of equimolar amounts of ketotifen(1+) and fumarate(1-) ions. A blocker of histamine H1 receptors with a stabilising action on mast cells, it is a non-bronchodilator anti-asthmatic drug. | 2.08 | 1 | 0 | organoammonium salt | anti-asthmatic drug; H1-receptor antagonist |
epoprostenol [no description available] | 2.04 | 1 | 0 | prostaglandins I | mouse metabolite |
dinoprost tromethamine [no description available] | 2.08 | 1 | 0 | organic molecular entity | |
ozagrel ozagrel: RN refers to (E)-isomer | 2.05 | 1 | 0 | cinnamic acids | |
triprolidine Triprolidine: Histamine H1 antagonist used in allergic rhinitis; ASTHMA; and URTICARIA. It is a component of COUGH and COLD medicines. It may cause drowsiness.. triprolidine : An N-alkylpyrrolidine that is acrivastine in which the pyridine ring is lacking the propenoic acid substituent. It is a sedating antihistamine that is used (generally as the monohydrochloride monohydrate) for the relief of the symptoms of uticaria, rhinitis, and various pruritic skin disorders. | 2.45 | 2 | 0 | N-alkylpyrrolidine; olefinic compound; pyridines | H1-receptor antagonist |
pitavastatin pitavastatin : A dihydroxy monocarboxylic acid that is (6E)-7-[2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]hept-6-enoic acid in which the two hydroxy groups are located at positions 3 and 5 (the 3R,5S-stereoisomer). Used as its calcium salt for treatment of hypercholesterolemia (elevated levels of cholesterol in the blood) on patients unable to sufficiently lower their cholesterol levels by diet and exercise. | 2.05 | 1 | 0 | cyclopropanes; dihydroxy monocarboxylic acid; monofluorobenzenes; quinolines; statin (synthetic) | antioxidant |
rosuvastatin calcium S 4522: structure in first source | 2.08 | 1 | 0 | N-acyl-15-methylhexadecasphinganine-1-phosphoethanolamine; organic calcium salt | anti-inflammatory agent; cardioprotective agent; CETP inhibitor |
terbinafine hydrochloride terbinafine hydrochloride : A hydrochloride obtained by reaction of terbinafine with one molar equivalent of hydrogen chloride. | 2.08 | 1 | 0 | allylamine antifungal drug; hydrochloride | EC 1.14.13.132 (squalene monooxygenase) inhibitor; P450 inhibitor |
alatrofloxacin mesylate [no description available] | 2.05 | 1 | 0 | | |
codeine [no description available] | 2.74 | 3 | 0 | morphinane alkaloid; organic heteropentacyclic compound | antitussive; drug allergen; environmental contaminant; opioid analgesic; opioid receptor agonist; prodrug; xenobiotic |
cyclosporine ramihyphin A: one of the metabolites produced by Fusarium sp. S-435; RN given refers to cpd with unknown MF | 2.75 | 3 | 0 | homodetic cyclic peptide | anti-asthmatic drug; anticoronaviral agent; antifungal agent; antirheumatic drug; carcinogenic agent; dermatologic drug; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; geroprotector; immunosuppressive agent; metabolite |
perhexiline maleate [no description available] | 3.51 | 2 | 0 | | |
phenylephrine hydrochloride Nose: A part of the upper respiratory tract. It contains the organ of SMELL. The term includes the external nose, the nasal cavity, and the PARANASAL SINUSES.. phenylephrine hydrochloride : A hydrochloride that is the monohydrochloride salt of phenylephrine. | 1.94 | 1 | 0 | hydrochloride | |
natamycin [no description available] | 2.75 | 3 | 0 | antibiotic antifungal drug; dicarboxylic acid monoester; epoxide; macrolide antibiotic; monosaccharide derivative; polyene antibiotic | antifungal agrochemical; antimicrobial food preservative; apoptosis inducer; bacterial metabolite; ophthalmology drug |
acitretin Acitretin: An oral retinoid effective in the treatment of psoriasis. It is the major metabolite of ETRETINATE with the advantage of a much shorter half-life when compared with etretinate.. acitretin : A retinoid that consists of 3,7-dimethylnona-2,4,6,8-tetraenoic acid having a 4-methoxy-2,3,6-trimethylphenyl group attached at position 9. | 3.89 | 3 | 0 | acitretin; alpha,beta-unsaturated monocarboxylic acid; retinoid | keratolytic drug |
cloprednol cloprednol: relative anti-inflammatory potency twice prednisolone; synthetic glucocorticoid; structure | 2.04 | 1 | 0 | 21-hydroxy steroid | |
cyproterone Cyproterone: An anti-androgen that, in the form of its acetate (CYPROTERONE ACETATE), also has progestational properties. It is used in the treatment of hypersexuality in males, as a palliative in prostatic carcinoma, and, in combination with estrogen, for the therapy of severe acne and hirsutism in females. | 2.04 | 1 | 0 | 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(4) steroid; chlorinated steroid; tertiary alpha-hydroxy ketone | androgen antagonist |
dihydrocodeine dihydrocodeine: RN refers to parent cpd(5alpha,6alpha)-isomer | 2.45 | 2 | 0 | morphinane alkaloid | |
dothiepin [no description available] | 2.05 | 1 | 0 | dothiepin | |
estropipate estropipate: used therapeutically in menopausal patients | 2.04 | 1 | 0 | piperazinium salt; steroid sulfate | |
hydroxystilbamidine hydroxystilbamidine: minor descriptor (63-86); on-line & INDEX MEDICUS search STILBAMIDINES (66-86); RN given refers to parent cpd | 2.04 | 1 | 0 | | |
levetiracetam Levetiracetam: A pyrrolidinone and acetamide derivative that is used primarily for the treatment of SEIZURES and some movement disorders, and as a nootropic agent.. levetiracetam : A pyrrolidinone and carboxamide that is N-methylpyrrolidin-2-one in which one of the methyl hydrogens is replaced by an aminocarbonyl group, while another is replaced by an ethyl group (the S enantiomer). An anticonvulsant, it is used for the treatment of epilepsy in both human and veterinary medicine. | 2.75 | 3 | 0 | pyrrolidin-2-ones | anticonvulsant; environmental contaminant; xenobiotic |
ly 163892 loracarbef: 1-carbacephem antibiotic; has a broad spectrum of antimicrobial activity; structure given in first source; carbacephems differ from cephalosporins in the substitution of a sulfur atom in the dihydrothiazine ring with a methylene group to form a tetrahydropyridine ring. loracarbef : A synthetic "carba" analogue of cefaclor, with carbon replacing sulfur at position 1. Used to treat a wide range of infections caused by both gram-positive and gram-negative bacteria. | 2.45 | 2 | 0 | carbacephem; zwitterion | antibacterial drug; antimicrobial agent |
meprednisone [no description available] | 2.04 | 1 | 0 | 21-hydroxy steroid | |
nalmefene nalmefene: RN given refers to 5-alpha isomer | 2.08 | 1 | 0 | morphinane alkaloid | |
nalorphine Nalorphine: A narcotic antagonist with some agonist properties. It is an antagonist at mu opioid receptors and an agonist at kappa opioid receptors. Given alone it produces a broad spectrum of unpleasant effects and it is considered to be clinically obsolete. | 2.05 | 1 | 0 | morphinane alkaloid | |
naloxone Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.. naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. | 2.97 | 4 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary alcohol | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
oxymorphone Oxymorphone: An opioid analgesic with actions and uses similar to those of MORPHINE, apart from an absence of cough suppressant activity. It is used in the treatment of moderate to severe pain, including pain in obstetrics. It may also be used as an adjunct to anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1092) | 2.45 | 2 | 0 | morphinane alkaloid | |
acepreval acepreval: topical steroid used for skin disease therapy | 2.04 | 1 | 0 | corticosteroid hormone | |
proscillaridin Proscillaridin: A cardiotonic glycoside isolated from Scilla maritima var. alba (Squill). | 2.04 | 1 | 0 | organic molecular entity | |
sirolimus Sirolimus: A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.. sirolimus : A macrolide lactam isolated from Streptomyces hygroscopicus consisting of a 29-membered ring containing 4 trans double bonds, three of which are conjugated. It is an antibiotic, immunosupressive and antineoplastic agent. | 3.59 | 2 | 0 | antibiotic antifungal drug; cyclic acetal; cyclic ketone; ether; macrolide lactam; organic heterotricyclic compound; secondary alcohol | antibacterial drug; anticoronaviral agent; antineoplastic agent; bacterial metabolite; geroprotector; immunosuppressive agent; mTOR inhibitor |
topiramate Topiramate: A sulfamate-substituted fructose analog that was originally identified as a hypoglycemic agent. It is used for the treatment of EPILEPSY and MIGRAINE DISORDERS, and may also promote weight loss.. topiramate : A hexose derivative that is 2,3:4,5-di-O-isopropylidene-beta-D-fructopyranose in which the hydroxy group has been converted to the corresponding sulfamate ester. It blocks voltage-dependent sodium channels and is used as an antiepileptic and for the prevention of migraine. | 2.47 | 2 | 0 | cyclic ketal; ketohexose derivative; sulfamate ester | anticonvulsant; sodium channel blocker |
alvocidib alvocidib: structure given in first source. alvocidib : A synthetic dihydroxyflavone that is 5,7-dihydroxyflavone which is substituted by a 3-hydroxy-1-methylpiperidin-4-yl group at position 8 and by a chlorine at the 2' position (the (-)-3S,4R stereoisomer). A cyclin-dependent kinase 9 (CDK9) inhibitor, it has been studied for the treatment of acute myeloid leukaemia, arthritis and atherosclerotic plaque formation. | 2.05 | 1 | 0 | dihydroxyflavone; hydroxypiperidine; monochlorobenzenes; tertiary amino compound | antineoplastic agent; antirheumatic drug; apoptosis inducer; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
seocalcitol seocalcitol: structure given in first source | 2.05 | 1 | 0 | | |
fenretinide Fenretinide: A synthetic retinoid that is used orally as a chemopreventive against prostate cancer and in women at risk of developing contralateral breast cancer. It is also effective as an antineoplastic agent.. 4-hydroxyphenyl retinamide : A retinoid obtained by formal condensation of the carboxy group of all-trans retinoic acid and the anilino group of 4-hydroxyaniline. Synthetic retinoid agonist. Antiproliferative, antioxidant and anticancer agent with a long half-life in vivo. Apoptotic effects appear to be mediated by a mechanism distinct from that of 'classical' retinoids. | 2.05 | 1 | 0 | monocarboxylic acid amide; retinoid | antineoplastic agent; antioxidant |
geldanamycin [no description available] | 2.05 | 1 | 0 | 1,4-benzoquinones; ansamycin; carbamate ester; organic heterobicyclic compound | antimicrobial agent; antineoplastic agent; antiviral agent; cysteine protease inhibitor; Hsp90 inhibitor |
morphine Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 2.74 | 3 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
pactamycin Pactamycin: Antibiotic produced by Streptomyces pactum used as an antineoplastic agent. It is also used as a tool in biochemistry because it inhibits certain steps in protein synthesis. | 2.04 | 1 | 0 | | |
demycarosylturimycin h [no description available] | 2.47 | 2 | 0 | | |
4-(2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-1-propenyl)benzoic acid 4-(2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-1-propenyl)benzoic acid: RN refers to (E)-isomer; structure given in first source. arotinoid acid : A retinoid that consists of benzoic acid substituted at position 4 by a 2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)prop-1-en-1-yl group. It is a synthetic retinoid that acts as a selective agonist for the retinoic acid receptors (RAR). | 2.31 | 1 | 0 | benzoic acids; naphthalenes; retinoid | antineoplastic agent; retinoic acid receptor agonist; teratogenic agent |
acipimox acipimox: lipolysis inhibitor | 2.08 | 1 | 0 | pyrazinecarboxylic acid | |
anthramycin [no description available] | 2.04 | 1 | 0 | | |
atosiban [no description available] | 2.08 | 1 | 0 | oligopeptide | |
bimatoprost Bimatoprost: A cloprostenol-derived amide that is used as an ANTIHYPERTENSIVE AGENT in the treatment of OPEN-ANGLE GLAUCOMA and OCULAR HYPERTENSION. | 2.08 | 1 | 0 | monocarboxylic acid amide | antiglaucoma drug; antihypertensive agent |
4-amino-5-chloro-N-[(3R,4S)-1-[3-(4-fluorophenoxy)propyl]-3-methoxy-4-piperidinyl]-2-methoxybenzamide [no description available] | 2.21 | 1 | 0 | benzamides | |
desonide Desonide: A nonfluorinated corticosteroid anti-inflammatory agent used topically for DERMATOSES.. desonide : Triamcinolone acetonide with hydrogen instead of the fluorine substituent at position 9. A corticosteroid anti-inflammatory, it is used topically as a cream, ointment or lotion for the treatment of various skin disorders. | 1.95 | 1 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; corticosteroid; cyclic ketal; primary alpha-hydroxy ketone | anti-inflammatory drug |
iloprost Iloprost: An eicosanoid, derived from the cyclooxygenase pathway of arachidonic acid metabolism. It is a stable and synthetic analog of EPOPROSTENOL, but with a longer half-life than the parent compound. Its actions are similar to prostacyclin. Iloprost produces vasodilation and inhibits platelet aggregation.. iloprost : A carbobicyclic compound that is prostaglandin I2 in which the endocyclic oxygen is replaced by a methylene group and in which the (1E,3S)-3-hydroxyoct-1-en-1-yl side chain is replaced by a (3R)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl group. A synthetic analogue of prostacyclin, it is used as the trometamol salt (generally by intravenous infusion) for the treatment of peripheral vascular disease and pulmonary hypertension. | 2.05 | 1 | 0 | carbobicyclic compound; monocarboxylic acid; secondary alcohol | platelet aggregation inhibitor; vasodilator agent |
lacidipine [no description available] | 2.45 | 2 | 0 | cinnamate ester; tert-butyl ester | |
latanoprost Latanoprost: A prostaglandin F analog used to treat OCULAR HYPERTENSION in patients with GLAUCOMA.. latanoprost : A prostaglandin Falpha that is the isopropyl ester prodrug of latanoprost free acid. Used in the treatment of open-angle glaucoma and ocular hypertension. | 2.08 | 1 | 0 | isopropyl ester; prostaglandins Falpha; triol | antiglaucoma drug; antihypertensive agent; EC 4.2.1.1 (carbonic anhydrase) inhibitor; prodrug |
cytochalasin b Cytochalasin B: A cytotoxic member of the CYTOCHALASINS.. cytochalasin B : An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments. | 2.04 | 1 | 0 | cytochalasin; lactam; lactone; organic heterotricyclic compound | actin polymerisation inhibitor; metabolite; mycotoxin; platelet aggregation inhibitor |
nateglinide Nateglinide: A phenylalanine and cyclohexane derivative that acts as a hypoglycemic agent by stimulating the release of insulin from the pancreas. It is used in the treatment of TYPE 2 DIABETES.. nateglinide : An N-acyl-D-phenylalanine resulting from the formal condensation of the amino group of D-phenylalanine with the carboxy group of trans-4-isopropylcyclohexanecarboxylic acid. An orally-administered, rapidly-absorbed, short-acting insulinotropic agent, it is used for the treatment of type 2 diabetes mellitus. | 2.08 | 1 | 0 | phenylalanine derivative | |
vinorelbine [no description available] | 2.74 | 3 | 0 | acetate ester; methyl ester; organic heteropentacyclic compound; organic heterotetracyclic compound; ring assembly; vinca alkaloid | antineoplastic agent; photosensitizing agent |
irisquinone irisquinone: from seeds of Iris pallasii Iridaceae; RN given refers to (Z)-isomer | 2.04 | 1 | 0 | | |
licochalcone a licochalcone A: has both anti-inflammatory and antineoplastic activities; structure given in first source; isolated from root of Glycyrrhiza inflata; RN given refers to (E)-isomer | 2.05 | 1 | 0 | chalcones | |
furazolidone [no description available] | 2.05 | 1 | 0 | | |
fluvoxamine Fluvoxamine: A selective serotonin reuptake inhibitor that is used in the treatment of DEPRESSION and a variety of ANXIETY DISORDERS.. fluvoxamine : An oxime O-ether that is benzene substituted by a (1E)-N-(2-aminoethoxy)-5-methoxypentanimidoyl group at position 1 and a trifluoromethyl group at position 4. It is a selective serotonin reuptake inhibitor that is used for the treatment of obsessive-compulsive disorder. | 2.45 | 2 | 0 | (trifluoromethyl)benzenes; 5-methoxyvalerophenone O-(2-aminoethyl)oxime | antidepressant; anxiolytic drug; serotonin uptake inhibitor |
semaxinib semaxanib : An oxindole that is 3-methyleneoxindole in which one of the hydrogens of the methylene group is replaced by a 3,5-dimethylpyrrol-2-yl group. | 2.05 | 1 | 0 | olefinic compound; oxindoles; pyrroles | angiogenesis modulating agent; antineoplastic agent; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; vascular endothelial growth factor receptor antagonist |
orantinib orantinib: an antiangiogenic agent. orantinib : An oxindole that is 3-methyleneoxindole in which one of the hydrogens of the methylene group is substituted by a 2-(2-carboxyethyl)-3,5-dimethylpyrrol-3-yl group. It is an ATP-competitive inhibitor of the tyrosine kinase activity of fibroblast growth factor receptor 1. | 2.05 | 1 | 0 | | |
mitoguazone Mitoguazone: Antineoplastic agent effective against myelogenous leukemia in experimental animals. Also acts as an inhibitor of animal S-adenosylmethionine decarboxylase.. mitoguazone : A hydrazone obtained by formal condensation of the two carbonyl groups of methylglyoxal with the primary amino groups of two molecules of aminoguanidine. | 2.04 | 1 | 0 | guanidines; hydrazone | antineoplastic agent; apoptosis inducer; EC 4.1.1.50 (adenosylmethionine decarboxylase) inhibitor |
stilbamidine stilbamidine: RN given refers to parent cpd | 2.45 | 2 | 0 | | |
guttiferone e guttiferone E: isolated from the fruits of Garcinia pyrifera collected in Malaysia; structure in first source | 3.25 | 1 | 0 | | |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.38 | 2 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
(6E)-7-[3-(4-fluorophenyl)-1-(propan-2-yl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoic acid (6E)-7-[3-(4-fluorophenyl)-1-(propan-2-yl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoic acid : A dihydroxy monocarboxylic acid that is N-isopropylindole which is substituted at position 3 by a p-fluorophenyl group and at position 2 by a 6-carboxy-3,5-dihydroxyhex-1-en-1-yl group. It has four possible diastereoisomers. | 2.47 | 2 | 0 | dihydroxy monocarboxylic acid; indoles; organofluorine compound | |
molsidomine [no description available] | 2.47 | 2 | 0 | ethyl ester; morpholines; oxadiazole; zwitterion | antioxidant; apoptosis inhibitor; cardioprotective agent; nitric oxide donor; vasodilator agent |
antimony Antimony: A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes. | 1.94 | 1 | 0 | metalloid atom; pnictogen | |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 3.54 | 2 | 0 | boron group element atom; elemental aluminium; metal atom | |
bismuth Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209. | 8.75 | 2 | 1 | metal atom; pnictogen | |
arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.63 | 3 | 0 | metalloid atom; pnictogen | micronutrient |
4-hydroxyaminoquinoline-1-oxide 4-Hydroxyaminoquinoline-1-oxide: A potent mutagen and carcinogen. It is a reduction product of 4-NITROQUINOLINE-1-OXIDE. It binds with nucleic acids and inactivates both bacteria and bacteriophage. | 1.97 | 1 | 0 | | |
naltrexone Naltrexone: Derivative of noroxymorphone that is the N-cyclopropylmethyl congener of NALOXONE. It is a narcotic antagonist that is effective orally, longer lasting and more potent than naloxone, and has been proposed for the treatment of heroin addiction. The FDA has approved naltrexone for the treatment of alcohol dependence.. naltrexone : An organic heteropentacyclic compound that is naloxone substituted in which the allyl group attached to the nitrogen is replaced by a cyclopropylmethyl group. A mu-opioid receptor antagonist, it is used to treat alcohol dependence. | 2.05 | 1 | 0 | cyclopropanes; morphinane-like compound; organic heteropentacyclic compound | antidote to opioid poisoning; central nervous system depressant; environmental contaminant; mu-opioid receptor antagonist; xenobiotic |
dextromethorphan Dextromethorphan: Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, including the medullary cough center. This compound is an NMDA receptor antagonist (RECEPTORS, N-METHYL-D-ASPARTATE) and acts as a non-competitive channel blocker. It is one of the widely used ANTITUSSIVES, and is also used to study the involvement of glutamate receptors in neurotoxicity.. dextromethorphan : A 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the sterocenters at positions 4a, 10 and 10a have S-configuration. It is a prodrug of dextrorphan and used as an antitussive drug for suppressing cough. | 2.05 | 1 | 0 | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene | antitussive; environmental contaminant; neurotoxin; NMDA receptor antagonist; oneirogen; prodrug; xenobiotic |
gallium Gallium: A rare, metallic element designated by the symbol, Ga, atomic number 31, and atomic weight 69.72.. gallium atom : A metallic element predicted as eka-aluminium by Mendeleev in 1870 and discovered by Paul-Emile Lecoq de Boisbaudran in 1875. Named in honour of France (Latin Gallia) and perhaps also from the Latin gallus cock, a translation of Lecoq. | 2.52 | 2 | 0 | boron group element atom | |
butorphanol Butorphanol: A synthetic morphinan analgesic with narcotic antagonist action. It is used in the management of severe pain.. butorphanol : Levorphanol in which a hydrogen at position 14 of the morphinan skeleton is substituted by hydroxy and one of the hydrogens of the N-methyl group is substituted by cyclopropyl. A semi-synthetic opioid agonist-antagonist analgesic, it is used as its (S,S)-tartaric acid salt for relief or moderate to severe pain. | 2.46 | 2 | 0 | morphinane alkaloid | antitussive; kappa-opioid receptor agonist; mu-opioid receptor agonist; opioid analgesic |
cefixime [no description available] | 2.97 | 4 | 0 | cephalosporin | antibacterial drug; drug allergen |
lisinopril Lisinopril: One of the ANGIOTENSIN-CONVERTING ENZYME INHIBITORS (ACE inhibitors), orally active, that has been used in the treatment of hypertension and congestive heart failure. | 2.47 | 2 | 0 | dipeptide | EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
ramipril Ramipril: A long-acting angiotensin-converting enzyme inhibitor. It is a prodrug that is transformed in the liver to its active metabolite ramiprilat.. ramipril : A dipeptide that is the prodrug for ramiprilat, the active metabolite obtained by hydrolysis of the ethyl ester group. An angiotensin-converting enzyme (ACE) inhibitor, used to treat high blood pressure and congestive heart failure.. quark : Quarks comprise one of two classes of the fundamental particles. Quarks possess fractional electric charges and are not observed in free state. The word "quark" first appears in James Joyce's Finnegans Wake and has been chosen by Murray Gell-Mann as a name for fundamental building blocks of particles. | 2.75 | 3 | 0 | azabicycloalkane; cyclopentapyrrole; dicarboxylic acid monoester; dipeptide; ethyl ester | bradykinin receptor B2 agonist; cardioprotective agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; matrix metalloproteinase inhibitor; prodrug |
indinavir sulfate Indinavir: A potent and specific HIV protease inhibitor that appears to have good oral bioavailability. | 2.47 | 2 | 0 | dicarboxylic acid diamide; N-(2-hydroxyethyl)piperazine; piperazinecarboxamide | HIV protease inhibitor |
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 9.26 | 4 | 1 | chalcogen; nonmetal atom | macronutrient |
zimeldine Zimeldine: One of the SEROTONIN UPTAKE INHIBITORS formerly used for depression but was withdrawn worldwide in September 1983 because of the risk of GUILLAIN-BARRE SYNDROME associated with its use. (From Martindale, The Extra Pharmacopoeia, 29th ed, p385) | 2.04 | 1 | 0 | styrenes | |
piperic acid piperinic acid: from Piper longum; structure in first source. (E,E)-piperic acid : A monocarboxylic acid that is (E)-penta-2,4-dienoic acid substituted by a 1,3-benzodioxol-5-yl group at position 5. It has been isolated from black pepper (Piper nigrum). | 2.05 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; benzodioxoles | plant metabolite |
enalapril maleate enalapril maleate : The maleic acid salt of enalapril. It contains one molecule of maleic acid for each molecule of enalapril. Following oral administration, the ethyl ester group of enalapril is hydrolysed to afford the corresponding carboxylic acid, enalaprilat, an angiotensin-converting enzyme (ACE) inhibitor. Enalapril is thus a prodrug for enalaprilat (which, unlike enalapril, is not absorbed by mouth), and its maleate is used in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. | 2.08 | 1 | 0 | maleate salt | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; prodrug |
enalapril Enalapril: An angiotensin-converting enzyme inhibitor that is used to treat HYPERTENSION and HEART FAILURE.. enalapril : A dicarboxylic acid monoester that is ethyl 4-phenylbutanoate in which a hydrogen alpha to the carboxy group is substituted by the amino group of L-alanyl-L-proline (S-configuration). | 2.45 | 2 | 0 | dicarboxylic acid monoester; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; geroprotector; prodrug |
nitrofurazone Nitrofurazone: A topical anti-infective agent effective against gram-negative and gram-positive bacteria. It is used for superficial WOUNDS AND INJURIES and skin infections. Nitrofurazone has also been administered orally in the treatment of TRYPANOSOMIASIS.. nitrofurazone : A semicarbazone resulting from the formal condensation of semicarbazide with 5-nitrofuraldehyde. A broad spectrum antibacterial drug, although with little activity against Pseudomonas species, it is used as a local application for burns, ulcers, wounds and skin infections. | 3.06 | 5 | 0 | | |
bleomycin [no description available] | 2.05 | 1 | 0 | bleomycin | antineoplastic agent; metabolite |
phosphorus Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 1.95 | 1 | 0 | monoatomic phosphorus; nonmetal atom; pnictogen | macronutrient |
enalaprilat anhydrous Enalaprilat: The active metabolite of ENALAPRIL and one of the potent, intravenously administered, ANGIOTENSIN-CONVERTING ENZYME INHIBITORS. It is an effective agent for the treatment of essential hypertension and has beneficial hemodynamic effects in heart failure. The drug produces renal vasodilation with an increase in sodium excretion.. enalaprilat dihydrate : The dihydrate form of enalaprilat, an angiotensin-converting enzyme (ACE) inhibitor that is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is administered by intravenous injection.. enalaprilat (anhydrous) : Enalapril in which the ethyl ester group has been hydrolysed to the corresponding carboxylic acid. Enalaprilat is an angiotensin-converting enzyme (ACE) inhibitor and is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is given by intravenous injection, usually as the dihydrate. | 2.47 | 2 | 0 | dicarboxylic acid; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
imidapril imidapril: structure given in first source. imidapril : A member of the class of imidazolidines that is (4S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid in which the hydrogen of the imidazolidine nitrogen has been substituted by (1S)-1-{[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino}ethyl group. It is the prodrug for imidaprilat, an ACE inhibitor used for the treatment of chronic heart failure. | 2.05 | 1 | 0 | dicarboxylic acid monoester; dipeptide; ethyl ester; imidazolidines; N-acylurea; secondary amino compound | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; prodrug |
sulindac sulfone sulindac sulfone: inhibits K-ras-dependent cyclooxygenase-2; sulfated analog of indomethacin;; CP248 is an antineoplastic agent that fosters microtubule depolymerization; structure in first source. sulindac sulfone : A sulfone metabolite of sulindac that inhibits cell growth by inducing apoptosis independently of cyclooxygenase inhibition. It inhibits the development and induces regression of premalignant adenomatous polyps. Lipoxygenase and Cox-2 inhibitor. | 2.05 | 1 | 0 | monocarboxylic acid; organofluorine compound; sulfone | apoptosis inducer; cyclooxygenase 2 inhibitor; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor |
ximelagatran ximelagatran: prodrug (via hydroxylation) of melagatran & a direct thrombin inhibitor; liver toxicity concerns so AZD0837 being developed to replace this. ximelagatran : A member of the class of azetidines that is melagatran in which the carboxylic acid group has been converted to the corresponding ethyl ester and in which the amidine group has been converted into the corresponding amidoxime. A prodrug for melagatran, ximelagatran was the first orally available direct thrombin inhibitor to be brought to market as an anticoagulant, but was withdrawn in 2006 following reports of it causing liver damage. | 2.05 | 1 | 0 | amidoxime; azetidines; carboxamide; ethyl ester; hydroxylamines; secondary amino compound; secondary carboxamide; tertiary carboxamide | anticoagulant; EC 3.4.21.5 (thrombin) inhibitor; prodrug; serine protease inhibitor |
cefuroxime [no description available] | 2.04 | 1 | 0 | 3-(carbamoyloxymethyl)cephalosporin; furans; oxime O-ether | drug allergen |
ceftriaxone [no description available] | 2.74 | 3 | 0 | 1,2,4-triazines; 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; drug allergen; EC 3.5.2.6 (beta-lactamase) inhibitor |
l 685458 L 685458: a gamma-secretase inhibitor; structure in first source. L-685,458 : A peptide and carboxamide that is L-leucyl-L-phenylalaninamide, L-Leu-L-Phe-NH2, which has been acylated on the N-terminus by a Phe-Phe hydroxyethylene dipeptide isotere, 2R-benzyl-5S-tert-butoxycarbonylamino-4R-hydroxy-6-phenylhexanoic acid. Compounds based on the structure of L-685,458 are potent inhibitors of gamma-secretase, which mediates the final catalytic step that generates the amyloid beta-peptide (Abeta), which assembles into the neurotoxic aggregates in the brains of sufferers of Alzheimer's disease. | 2.04 | 1 | 0 | carbamate ester; monocarboxylic acid amide; peptide; secondary alcohol | EC 3.4.23.46 (memapsin 2) inhibitor; peptidomimetic |
ceftazidime [no description available] | 2.44 | 2 | 0 | cephalosporin; oxime O-ether | antibacterial drug; drug allergen; EC 2.4.1.129 (peptidoglycan glycosyltransferase) inhibitor |
trandolapril trandolapril : A heterobicylic compound that is (2S,3aR,7aS)-1-[(2S)-2-aminopropanoyl]octahydro-1H-indole-2-carboxylic acid in which the hydrogen of the amino group is substituted by a (2R)-1-ethoxy-1-oxo-4-phenylbutan-2-yl group. It is a angiotensin-converting enzyme inhibitor and a prodrug used for the treatment of hypertension. | 2.75 | 3 | 0 | dicarboxylic acid monoester; dipeptide; ethyl ester; organic heterobicyclic compound; secondary amino compound; tertiary carboxamide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; prodrug |
pregabalin Pregabalin: A gamma-aminobutyric acid (GABA) derivative that functions as a CALCIUM CHANNEL BLOCKER and is used as an ANTICONVULSANT as well as an ANTI-ANXIETY AGENT. It is also used as an ANALGESIC in the treatment of NEUROPATHIC PAIN and FIBROMYALGIA.. pregabalin : A gamma-amino acid that is gamma-aminobutyric acid (GABA) carrying an isobutyl substitutent at the beta-position (the S-enantiomer). Binds with high affinity to the alpha2-delta site (an auxiliary subunit of voltage-gated calcium channels) in central nervous system tissues. | 2.08 | 1 | 0 | gamma-amino acid | anticonvulsant; calcium channel blocker |
alvimopan anhydrous alvimopan: mu opioid receptor antagonist; intended to treat constipation in patients taking opiates for pain | 2.08 | 1 | 0 | peptide | |
guanabenz acetate [no description available] | 2.05 | 1 | 0 | dichlorobenzene | geroprotector |
famotidine [no description available] | 2.47 | 2 | 0 | 1,3-thiazoles; guanidines; sulfonamide | anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
cefotaxime Cefotaxime: Semisynthetic broad-spectrum cephalosporin.. cefotaxime : A cephalosporin compound having acetoxymethyl and [2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side groups. | 2.05 | 1 | 0 | 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; drug allergen |
aztreonam [no description available] | 2.05 | 1 | 0 | beta-lactam antibiotic allergen; monobactam | antibacterial drug; drug allergen; EC 2.4.1.129 (peptidoglycan glycosyltransferase) inhibitor |
proguanil Proguanil: A biguanide compound which metabolizes in the body to form cycloguanil, an anti-malaria agent.. proguanil : A biguanide compound which has isopropyl and p-chlorophenyl substituents on the terminal N atoms. A prophylactic antimalarial drug, it works by inhibiting the enzyme dihydrofolate reductase, which is involved in the reproduction of the malaria parasites Plasmodium falciparum and P. vivax within the red blood cells. | 2.46 | 2 | 0 | biguanides; monochlorobenzenes | antimalarial; antiprotozoal drug; EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
cci 15641 [no description available] | 2.08 | 1 | 0 | cephalosporin | |
rifamycin sv rifamycin SV: RN given refers to parent cpd; structure in Merck Index, 9th ed, #8009. rifamycin SV : A member of the class of rifamycins that exhibits antibiotic and antitubercular properties. | 2.05 | 1 | 0 | acetate ester; cyclic ketal; lactam; macrocycle; organic heterotetracyclic compound; polyphenol; rifamycins | antimicrobial agent; antitubercular agent; bacterial metabolite |
selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.38 | 2 | 0 | chalcogen; nonmetal atom | micronutrient |
ceftiofur [no description available] | 2.04 | 1 | 0 | | |
epoprostenol sodium [no description available] | 2.05 | 1 | 0 | prostanoid | |
tenofovir disoproxil fumarate tenofovir disoproxil fumarate : A fumarate salt prepared from equimolar amounts of tenofovir disoproxil and fumaric acid. It is used in combination therapy for the treatment of HIV infection. | 2.08 | 1 | 0 | fumarate salt | antiviral drug; HIV-1 reverse transcriptase inhibitor; prodrug |
dizocilpine maleate Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 2.11 | 1 | 0 | maleate salt; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
dexbrompheniramine maleate dexbrompheniramine maleate : The maleic acid salt of the (pharmacologically active) (S)-(+)-enantiomer of brompheniramine. A histamine H1 receptor antagonist, it is used for the symptomatic relief of allergic conditions, including rhinitis and conjunctivitis. | 2.08 | 1 | 0 | brompheniramine maleate | anti-allergic agent; H1-receptor antagonist |
cilastatin [no description available] | 2.04 | 1 | 0 | carboxamide; L-cysteine derivative; non-proteinogenic L-alpha-amino acid; organic sulfide | EC 3.4.13.19 (membrane dipeptidase) inhibitor; environmental contaminant; protease inhibitor; xenobiotic |
rifaximin [no description available] | 2.08 | 1 | 0 | acetate ester; cyclic ketal; lactam; macrocycle; organic heterohexacyclic compound; rifamycins; semisynthetic derivative | antimicrobial agent; gastrointestinal drug; orphan drug |
sibiromycin [no description available] | 2.04 | 1 | 0 | aminoglycoside antibiotic; hemiaminal; phenols; pyrrolobenzodiazepine | antineoplastic agent; bacterial metabolite |
everolimus [no description available] | 2.08 | 1 | 0 | cyclic acetal; cyclic ketone; ether; macrolide lactam; primary alcohol; secondary alcohol | anticoronaviral agent; antineoplastic agent; geroprotector; immunosuppressive agent; mTOR inhibitor |
ixabepilone [no description available] | 2.05 | 1 | 0 | 1,3-thiazoles; beta-hydroxy ketone; epoxide; lactam; macrocycle | antineoplastic agent; microtubule-destabilising agent |
nifuroxime 5-nitro-2-furaldehyde oxime: structure in first source | 2.05 | 1 | 0 | | |
azlocillin Azlocillin: A semisynthetic ampicillin-derived acylureido penicillin.. azlocillin : A semisynthetic penicillin having a 6beta-{(2R)-2-[(2-oxoimidazolidine-1-carbonyl)amino]-2-phenylacetyl}amino side-group. It is an antibiotic used in treating infections caused by Pseudomonas aeruginosa, Escherichia coli and Haemophilus influenzae. | 2.05 | 1 | 0 | penicillin allergen; penicillin; semisynthetic derivative | antibacterial drug |
cefpodoxime proxetil cefpodoxime proxetil: structure given in first source; prodrug for cefpodoxime. cefpodoxime proxetil : The 1-[(isopropoxycarbonyl)oxy]ethyl (proxetil) ester prodrug of cefpodoxime. After swallowing, hydrolysis of the ester group occurs in the intestinal epithelium, to release active cefpodoxime in the bloodstream. It is used to treat acute otitis media, pharyngitis, and sinusitis. | 2.08 | 1 | 0 | carboxylic acid; carboxylic ester; cephalosporin | antibacterial drug; prodrug |
ceftizoxime [no description available] | 2.04 | 1 | 0 | cephalosporin | antibacterial drug |
1-methyl-d-lysergic acid butanolamide [no description available] | 2.45 | 2 | 0 | ergot alkaloid; monocarboxylic acid amide | serotonergic antagonist; sympatholytic agent; vasoconstrictor agent |
fluphenazine [no description available] | 2.08 | 1 | 0 | | |
dantrolene sodium dantrolene sodium (anhydrous) : The anhydrous sodium salt of dantrolene. | 2.05 | 1 | 0 | | |
nitrofurantoin Nitrofurantoin: A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression.. nitrofurantoin : An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group. An antibiotic that damages bacterial DNA. | 3.1 | 5 | 0 | imidazolidine-2,4-dione; nitrofuran antibiotic; organonitrogen heterocyclic antibiotic; organooxygen heterocyclic antibiotic | antibacterial drug; antiinfective agent; hepatotoxic agent |
cgp 53353 4,5-bis(4-fluoroanilino)phthalimide: structure in first source | 2.04 | 1 | 0 | phthalimides | |
nifurtimox Nifurtimox: A nitrofuran thiazine that has been used against TRYPANOSOMIASIS. | 2.46 | 2 | 0 | nitrofuran antibiotic | |
butylscopolammonium bromide Butylscopolammonium Bromide: Antimuscarinic quaternary ammonium derivative of scopolamine used to treat cramps in gastrointestinal, urinary, uterine, and biliary tracts, and to facilitate radiologic visualization of the gastrointestinal tract. | 2.45 | 2 | 0 | | |
roxithromycin (E)-roxithromycin : A major geometrical isomer of roxithromycin. | 2.76 | 3 | 0 | roxithromycin | environmental contaminant; xenobiotic |
cefdinir [no description available] | 2.08 | 1 | 0 | cephalosporin; ketoxime | antibacterial drug |
fumagillin [no description available] | 2.04 | 1 | 0 | antibiotic antifungal drug; carboxylic ester; dicarboxylic acid monoester; meroterpenoid; organooxygen heterocyclic antibiotic; spiro-epoxide | angiogenesis inhibitor; antibacterial drug; antimicrobial agent; antiprotozoal drug; fungal metabolite; methionine aminopeptidase 2 inhibitor |
bisoprolol, fumarate (1:1) salt [no description available] | 2.08 | 1 | 0 | | |
artesunate artesunic acid: RN given for (3R-(3alpha,5abeta,6beta,8abeta,9alpha,10alpha,12beta,(2aR*))-isomer; succinic ester of artemether | 3.88 | 3 | 0 | artemisinin derivative; cyclic acetal; dicarboxylic acid monoester; hemisuccinate; semisynthetic derivative; sesquiterpenoid | antimalarial; antineoplastic agent; ferroptosis inducer |
beraprost beraprost: stable prostacyclin analog; structure given in first source. beraprost : An organic heterotricyclic compound that is (3aS,8bS)-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan in which the hydrogens at positions 1R, 2R and 5 are replaced by (3S)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl, hydroxy and 3-carboxypropyl groups, respectively. It is a prostaglandin receptor agonist which is approved to treat pulmonary arterial hypertension in Asia. | 2.05 | 1 | 0 | enyne; monocarboxylic acid; organic heterotricyclic compound; secondary alcohol; secondary allylic alcohol | anti-inflammatory agent; antihypertensive agent; platelet aggregation inhibitor; prostaglandin receptor agonist; vasodilator agent |
lanreotide [no description available] | 2.05 | 1 | 0 | | |
etoposide phosphate [no description available] | 2.08 | 1 | 0 | furonaphthodioxole | |
ciclesonide ciclesonide: nasal spray approved for seasonal and perennial allergic rhinitis | 2.08 | 1 | 0 | organic molecular entity | |
temsirolimus [no description available] | 2.08 | 1 | 0 | macrolide lactam | |
dutasteride Dutasteride: A 5-ALPHA-REDUCTASE INHIBITOR that is reported to inhibit both type-1 and type2 isoforms of the enzyme and is used to treat BENIGN PROSTATIC HYPERPLASIA.. dutasteride : An aza-steroid that is inasteride in which the tert-butyl group is replaced by a 2,5-bis(trifluoromethyl)phenyl group. A synthetic 4-azasteroid, dutasteride is a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5alpha-reductase, an intracellular enzyme that converts testosterone to 5alpha-dihydrotestosterone. Dutasteride is used for the treatment of symptomatic benign prostatic hyperplasia in men with an enlarged prostate gland. | 2.08 | 1 | 0 | (trifluoromethyl)benzenes; aza-steroid; delta-lactam | antihyperplasia drug; EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor |
tekturna [no description available] | 2.08 | 1 | 0 | fumarate salt | antihypertensive agent |
lu 208075 ambrisentan: an ET(A) receptor antagonist and antihypertensive agent; studied for use in pulmonary arterial hypertension | 2.05 | 1 | 0 | diarylmethane | |
vildagliptin [no description available] | 2.08 | 1 | 0 | amino acid amide | |
acetylcarnitine O-acetyl-L-carnitine : An O-acyl-L-carnitine where the acyl group specified is acetyl. It facilitates movement of acetyl-CoA into the matrices of mammalian mitochondria during the oxidation of fatty acids. | 2.05 | 1 | 0 | O-acetylcarnitine; saturated fatty acyl-L-carnitine | human metabolite; Saccharomyces cerevisiae metabolite |
chlorhexidine Chlorhexidine: A disinfectant and topical anti-infective agent used also as mouthwash to prevent oral plaque.. chlorhexidine : A bisbiguanide compound with a structure consisting of two (p-chlorophenyl)guanide units linked by a hexamethylene bridge. | 3.25 | 1 | 0 | biguanides; monochlorobenzenes | antibacterial agent; antiinfective agent |
sgd 301-76 [no description available] | 2.08 | 1 | 0 | conazole antifungal drug; imidazole antifungal drug; organic nitrate salt | antiinfective agent |
fluvoxamine maleate [no description available] | 2.08 | 1 | 0 | (trifluoromethyl)benzenes | |
thioacetazone Thioacetazone: A thiosemicarbazone that is used in association with other antimycobacterial agents in the initial and continuation phases of antituberculosis regimens. Thiacetazone containing regimens are less effective than the short-course regimen recommended by the International Union Against Tuberculosis and are used in some developing countries to reduce drug costs. (From Martindale, The Extra Pharmacopoeia, 30th ed, p217). thiosemicarbazone : A hydrazone resulting from the formal condensation of an aldehyde or ketone with the non-thioacylated nitrogen of thiosemicarbazide or its substituted derivatives. | 2.46 | 2 | 0 | | |
chlorproguanil chlorproguanil: dichloro-derivative of chloroguanide; RN given refers to parent cpd; structure | 2.05 | 1 | 0 | dichlorobenzene | |
nifurtoinol nifurtoinol : An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group and at position 3 by a hydroxymethyl group. | 2.05 | 1 | 0 | hydrazone; imidazolidine-2,4-dione; nitrofuran antibiotic; organonitrogen heterocyclic antibiotic | antibacterial drug; antiinfective agent; hepatotoxic agent |
dexlansoprazole Dexlansoprazole: The R-isomer of lansoprazole that is used to treat severe GASTROESOPHAGEAL REFLUX DISEASE. | 2.08 | 1 | 0 | benzimidazoles; sulfoxide | |
gemifloxacin mesylate gemifloxacin mesylate : The mesylate salt of gemifloxacin. | 2.08 | 1 | 0 | methanesulfonate salt | antimicrobial agent; topoisomerase IV inhibitor |
fosinopril [no description available] | 2.45 | 2 | 0 | | |
eflucimibe eflucimibe: a powerful and systemic acylcoenzyme A: cholesterol acyltransferase inhibitor | 2.05 | 1 | 0 | | |
n-(4-(2-methoxyphenoxy)phenyl)-n-(2,2,2-trifluoroethylsulfonyl)pyrid-3-ylmethylamine N-(4-(2-methoxyphenoxy)phenyl)-N-(2,2,2-trifluoroethylsulfonyl)pyrid-3-ylmethylamine: a metabotropic glutamate 2 receptor potentiator; structure in first source | 2.31 | 1 | 0 | | |
jasplakinolide jasplakinolide: cyclodepsipeptide isolated from marine sponge Jaspis; active against Candida; RN refers to 2S-(2R*,4E,6S*,8R*)-isomer; structure in first source. jaspamide : A cyclodepsipeptide isolated from Jaspis splendens and has been shown to exhibit antineoplastic activity. It is an actin polymerization and stabilization inducer. | 2.11 | 1 | 0 | cyclodepsipeptide; phenols | actin polymerisation inducer; animal metabolite; antifungal agent; antineoplastic agent; apoptosis inducer; marine metabolite; neuroprotective agent |
etomoxir [no description available] | 2.05 | 1 | 0 | aromatic ether | |
pentagastrin Pentagastrin: A synthetic pentapeptide that has effects like gastrin when given parenterally. It stimulates the secretion of gastric acid, pepsin, and intrinsic factor, and has been used as a diagnostic aid. | 2.05 | 1 | 0 | organic molecular entity | |
nu 7026 2-(morpholin-4-yl)benzo(h)chromen-4-one: a radiosensitizing agent that inhibits DNA-dependent protein kinase; structure in first source | 2.07 | 1 | 0 | organic heterotricyclic compound; organooxygen compound | |
abt-770 ABT-770: structure in first source | 2.04 | 1 | 0 | | |
rivaroxaban Rivaroxaban: A morpholine and thiophene derivative that functions as a FACTOR XA INHIBITOR and is used in the treatment and prevention of DEEP-VEIN THROMBOSIS and PULMONARY EMBOLISM. It is also used for the prevention of STROKE and systemic embolization in patients with non-valvular ATRIAL FIBRILLATION, and for the prevention of atherothrombotic events in patients after an ACUTE CORONARY SYNDROME.. rivaroxaban : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 5-chlorothiophene-2-carboxylic acid with the amino group of 4-{4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl}morpholin-3-one. An anticoagulant used for prophylaxis of venous thromboembolism in patients with knee or hip replacement surgery. | 2.08 | 1 | 0 | aromatic amide; lactam; monocarboxylic acid amide; morpholines; organochlorine compound; oxazolidinone; thiophenes | anticoagulant; EC 3.4.21.6 (coagulation factor Xa) inhibitor |
treosulfan treosulfan: immunosuppressant; RN given refers to (S-(R*,R*))-isomer | 2.04 | 1 | 0 | methanesulfonate ester | |
9-n-(1-propyl)erythromyclamine 9-N-(1-propyl)erythromyclamine: structure given in first source | 2.04 | 1 | 0 | | |
gentamicin sulfate [no description available] | 2.45 | 2 | 0 | | |
n1-phenyl-3,5-dinitro-n4,n4-di-n-propylsulfanilamide N1-phenyl-3,5-dinitro-N4,N4-di-n-propylsulfanilamide: a potent, selective antimitotic agent against kinetoplastid parasites; structure in first source | 2.05 | 1 | 0 | | |
hki 272 [no description available] | 2.08 | 1 | 0 | nitrile; quinolines | antineoplastic agent; tyrosine kinase inhibitor |
nkp 608 [no description available] | 2.04 | 1 | 0 | | |
tofacitinib tofacitinib : A pyrrolopyrimidine that is pyrrolo[2,3-d]pyrimidine substituted at position 4 by an N-methyl,N-(1-cyanoacetyl-4-methylpiperidin-3-yl)amino moiety. Used as its citrate salt to treat moderately to severely active rheumatoid arthritis. | 2.08 | 1 | 0 | N-acylpiperidine; nitrile; pyrrolopyrimidine; tertiary amino compound | antirheumatic drug; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor |
ganu GANU: differs from chlorozotocin by placement of cytotoxic group on C-1 of the glucose ring; less myelosuppressive than chlorozotocin; structure | 2.04 | 1 | 0 | | |
2-phenylbenzothiazole PBT2 compound: a metal-protein-attenuating compound that may be useful in treating Alzheimer's disesae | 12.14 | 31 | 4 | | |
azacosterol Azacosterol: Diaza derivative of cholesterol which acts as a hypocholesteremic agent by blocking delta-24-reductase, which causes the accumulation of desmosterol. | 2.04 | 1 | 0 | | |
candicidin Candicidin: Mixture of antifungal heptaene macrolides from Streptomyces griseus or Actinomyces levoris used topically in candidiasis. The antibiotic complex is composed of candicidins A, B, C, and D, of which D is the major component.. candicidin D : A 38-membered ring lactone containing seven (E)-double bonds between positions 22 and 35 and substituted by hydroxy groups at positions 9, 11, 13, 17 and 19, oxo groups at positions 3, 7 and 15, a carboxy group at position 18, a 3-amino-3,6-dideoxymannopyranosyloxy group at position 21, a methyl group at position 36 and a 7-(4-aminophenyl)-5-hydroxy-4-methyl-7-oxoheptan-2-yl group at position 37. It is the major component of candicidin, a mixture of antifungal heptaene macrolides obtained from a strain of Streptomyces griseus.. candicidin : A mixture of the antifungal heptaene macrolides obtained from a strain of Streptomyces griseus. It is composed of candicidins A, B, C and D, with candicidin D being the major component. Candicidin is active against some fungi of the genus Candida, and has been used in the treatment of vaginal candidiasis. | 1.96 | 1 | 0 | macrolide antibiotic; polyene antibiotic | antifungal drug; bacterial metabolite |
pazopanib pazopanib: a protein kinase inhibitor. pazopanib : A pyrimidine that is 5-(pyrimidin-2-yl}amino-2-methylbenzenesulfonamide substituted at position 4 by a (2,3-dimethylindazol-6-yl)(methyl)amino group. Used as its hydrochloride salt for treatment of kidney cancer. | 2.08 | 1 | 0 | aminopyrimidine; indazoles; sulfonamide | angiogenesis modulating agent; antineoplastic agent; tyrosine kinase inhibitor; vascular endothelial growth factor receptor antagonist |
azd 6244 AZD 6244: a MEK inhibitor | 2.05 | 1 | 0 | benzimidazoles; bromobenzenes; hydroxamic acid ester; monochlorobenzenes; organofluorine compound; secondary amino compound | anticoronaviral agent; antineoplastic agent; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor |
artenimol artenimol: derivative of antimalarial drug artemisinin (quinghaosu) | 2.05 | 1 | 0 | | |
4-phenoxyphenoxyethyl thiocyanate 4-phenoxyphenoxyethyl thiocyanate: has antiparasitic activity; structure in first source | 2.05 | 1 | 0 | | |
alpha-synuclein alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 7.91 | 3 | 0 | | |
homatropine methylbromide homatropine methylbromide: RN given refers to bromide (endo-(+-))-isomer | 2.04 | 1 | 0 | | |
amg 009 AMG 009: an anti-inflammatory agent; structure in first source | 2.08 | 1 | 0 | | |
oxadiazoles Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 3.35 | 1 | 0 | | |
vinflunine vinflunine: inhibits tubulin assembly; structure in first source. vinflunine : An organic heteropentacyclic compound and an organic heterotetracyclic compound that is vinorelbine in which the tetrahydropyridine moiety of the heterotetracyclic part of the molecule has been redced to the corresponding piperidine, and in which the ethyl group attached to this ring has been replaced by a 1,1-difluoroethyl group. | 2.05 | 1 | 0 | acetate ester; methyl ester; organic heteropentacyclic compound; organic heterotetracyclic compound; semisynthetic derivative; vinca alkaloid | antineoplastic agent |
cefotaxime sodium [no description available] | 2.08 | 1 | 0 | organic sodium salt | |
baci-im [no description available] | 2.05 | 1 | 0 | homodetic cyclic peptide; polypeptide; zwitterion | antibacterial agent; antimicrobial agent |
tafamidis tafamidis: may be effective in treating transthyretin amyloid polyneuropathy. tafamidis : A member of the class of 1,3-benzoxazoles that is 1,3-benzoxazole-6-carboxylic acid in which the hydrogen at position 2 is replaced by a 3,5-dichlorophenyl group. Used (as its meglumine salt) for the amelioration of transthyretin-related hereditary amyloidosis. | 2.31 | 1 | 0 | 1,3-benzoxazoles; dichlorobenzene; monocarboxylic acid | central nervous system drug |
metamelfalan [no description available] | 2.04 | 1 | 0 | | |
nystatin a1 Nystatin: Macrolide antifungal antibiotic complex produced by Streptomyces noursei, S. aureus, and other Streptomyces species. The biologically active components of the complex are nystatin A1, A2, and A3.. nystatin : A heterogeneous mixture of polyene compounds produced by cultures of Streptomyces noursei. It mainly consists of three biologically active components designated nystatin A1, nystatin A2, and nystatin A3. It is used to treat oral and dermal fungal infections.. nystatin A1 : A polyene macrolide antibiotic; part of the nystatin complex produced by several Streptomyces species. It is an antifungal antibiotic used for the treatment of topical fungal infections caused by a broad spectrum of fungal pathogens comprising yeast-like and filamentous species. | 4.81 | 4 | 2 | nystatins | |
marizomib marizomib: a proteasome inhibitor from a marine bacterium Salinospora; structure in first source | 3.16 | 1 | 0 | beta-lactone; gamma-lactam; organic heterobicyclic compound; organochlorine compound; salinosporamide | antineoplastic agent; proteasome inhibitor |
carfilzomib [no description available] | 3.16 | 1 | 0 | epoxide; morpholines; tetrapeptide | antineoplastic agent; proteasome inhibitor |
vindesine [no description available] | 2.44 | 2 | 0 | | |
losartan potassium Erythropoietin: Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation. | 2.46 | 2 | 0 | | |
diflucortolone Diflucortolone: A topical glucocorticoid used in various DERMATOSES. It is absorbed through the skin, bound to plasma albumin, and may cause adrenal suppression. It is also administered as the valerate. | 2.45 | 2 | 0 | 21-hydroxy steroid | |
scopolamine hydrobromide [no description available] | 2.41 | 2 | 0 | | |
dactolisib dactolisib: antineoplastic agent that inhibits both phosphatidylinositol 3-kinase and mTOR. dactolisib : An imidazoquinoline that is 3-methyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinoline substituted at position 1 by a 4-(1-cyanoisopropyl)phenyl group and at position 8 by a quinolin-3-yl group. A dual PI3K/mTOR inhibitor used in cancer treatment. | 2.08 | 1 | 0 | imidazoquinoline; nitrile; quinolines; ring assembly; ureas | antineoplastic agent; EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor; mTOR inhibitor |
bacitracin methylenedisalicylic acid bacitracin methylenedisalicylic acid: RN given refers to Bacitracin, methylenebis(2-hydroxybenzoate) | 1.93 | 1 | 0 | | |
pf 03491390 [no description available] | 2.05 | 1 | 0 | | |
2-((3-chloroethyl)-3-nitrosoureido)glucopyranose [no description available] | 2.04 | 1 | 0 | | |
ro 6-4563 glibornuride: was MH 1975-92 (see under SULFONYLUREA COMPOUNDS 1975-90); use SULFONYLUREA COMPOUNDS to search GLIBORNURIDE 1975-92; an oral, sulfonylurea hypoglycemic agent which stimulates insulin secretion | 2.04 | 1 | 0 | monoterpenoid | |
erythrosine Erythrosine: A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE.. erythrosin B : An organic sodium salt that is the disodium salt of 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydroxanthen-9-yl)benzoic acid. | 1.96 | 1 | 0 | | |
mefloquine Mefloquine: A phospholipid-interacting antimalarial drug (ANTIMALARIALS). It is very effective against PLASMODIUM FALCIPARUM with very few side effects.. mefloquine : A racemate composed of (+)-(11R,2'S)- and (-)-(11S,2'R)-enantiomers of mefloquine. An antimalarial agent which acts as a blood schizonticide; its mechanism of action is unknown. | 2.13 | 1 | 0 | | |
deoxoartemisinin deoxoartemisinin: structure given in first source | 2.05 | 1 | 0 | | |
rabeprazole sodium [no description available] | 2.08 | 1 | 0 | organic sodium salt | |
amodiaquine hydrochloride [no description available] | 2.74 | 3 | 0 | | |
bivalirudin bivalirudin: designed to bind to the alpha-thrombin catalytic site and anion-binding exosite for fibrin(ogen) recognition. bivalirudin : A synthetic peptide of 20 amino acids, comprising D-Phe, Pro, Arg, Pro, Gly, Gly, Gly, Gly, Asn, Gly, Asp, Phe, Glu, Glu, Ile, Pro, Glu, Glu, Tyr, and Leu in sequence. A congener of hirudin (a naturally occurring drug found in the saliva of the medicinal leech), it a specific and reversible inhibitor of thrombin, and is used as an anticoagulant. | 2.08 | 1 | 0 | polypeptide | anticoagulant; EC 3.4.21.5 (thrombin) inhibitor |
somatostatin [no description available] | 2.08 | 1 | 0 | heterodetic cyclic peptide; peptide hormone | |
tannins gallotannin : A class of hydrolysable tannins obtained by condensation of the carboxy group of gallic acid (and its polymeric derivatives) with the hydroxy groups of a monosaccharide (most commonly glucose). | 2.05 | 1 | 0 | tannin | |
tannins Tannins: Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing. | 1.94 | 1 | 0 | | |
ly-146032 [no description available] | 2.08 | 1 | 0 | heterodetic cyclic peptide; lipopeptide antibiotic; lipopeptide; macrocycle; macrolide | antibacterial drug; bacterial metabolite; calcium-dependent antibiotics |
warfarin sodium warfarin sodium : A racemate comprising equal amounts of (R)- and (S)-warfarin sodium. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice. | 2.08 | 1 | 0 | | |
znaf-2 ZnAF-2: structure in first source | 2.11 | 1 | 0 | | |
bismuth subsalicylate bismuth subsalicylate: bismuth subsalicylate is the active ingredient of Pepto-Bismol and in Kaopectate; used to treat nausea, heartburn, indigestion, upset stomach, diarrhea and other temporary discomforts of the stomach; used with Azoles and other drugs to treat Helicobacter. bismuth subsalicylate : A bismuth salt of salicylic acid. | 3.35 | 1 | 1 | | |
pravastatin sodium pravastatin sodium : An organic sodium salt that is the sodium salt of pravastatin. A reversible inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA), it is used for lowering cholesterol and preventing cardiovascular disease. It is one of the lower potency statins, but has the advantage of fewer side effects compared with lovastatin and simvastatin. | 2.08 | 1 | 0 | organic sodium salt; statin (semi-synthetic) | anticholesteremic drug |
alendronate sodium [no description available] | 2.08 | 1 | 0 | | |
valproate sodium Epilim: oral sodium valproate used as antidepressive agent. sodium valproate : The sodium salt of valproic acid.. valproate : A branched-chain saturated fatty acid anion that is the conjugate base of valproic acid. | 2.05 | 1 | 0 | organic sodium salt | geroprotector |
sl 80.0750 [no description available] | 2.08 | 1 | 0 | | |
flucloronide flucloronide: synthetic glucocorticoid with anti-inflammatory properties; minor descriptor (75-83); on-line & Index Medicus search PREGNADIENETROLS (75-83); RN given refers to (6alpha,11beta,16alpha)-isomer; structure | 2.04 | 1 | 0 | 21-hydroxy steroid | |
mesna Mesna: A sulfhydryl compound used to prevent urothelial toxicity by inactivating metabolites from ANTINEOPLASTIC AGENTS, such as IFOSFAMIDE or CYCLOPHOSPHAMIDE. | 2.47 | 2 | 0 | organosulfonic acid | |
cerivastatin sodium cerivastatin sodium : The sodium salt of cerivastatin. Formerly used to lower cholesterol and prevent cardiovascular disease, it was withdrawn from the market worldwide in 2001 following reports of a severe form of muscle toxicity. | 2.05 | 1 | 0 | organic sodium salt; statin (synthetic) | |
clavulanate potassium potassium clavulanate : A potassium salt having clavulanate as the counterion. It acts as a suicide inhibitor of bacterial beta-lactamase enzymes and has only weak anitbiotic activity when administered alone. However it can be used in combination with amoxicillin trihydrate (under the trade name Augmentin) for treatment of a variety of bacterial infections, where it prevents antibiotic inactivation by microbial lactamases. | 2.08 | 1 | 0 | potassium salt | antibacterial drug; antimicrobial agent; EC 3.5.2.6 (beta-lactamase) inhibitor |
piperacillin sodium [no description available] | 2.08 | 1 | 0 | organic sodium salt | |
monensin [no description available] | 2.05 | 1 | 0 | | |
oxacillin sodium [no description available] | 2.47 | 2 | 0 | organic sodium salt | |
sodium diatrizoate histopaque: used for separating mononuclear & other cells. sodium amidotrizoate : The sodium salt of a benzoic acid having iodo substituents at the 2-, 4- and 6-positions and acetamido substituents at the 3- and 5-positions. It is used, often as a mixture with the meglumine salt, as an X-ray contrast medium in gastrointestinal studies, angiography, and urography. | 2.05 | 1 | 0 | organic sodium salt; organoiodine compound | radioopaque medium |
cefazolin sodium cefazolin sodium : A cephalosporin organic sodium salt having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and (1H-tetrazol-1-ylacetyl)amino side-groups. | 2.08 | 1 | 0 | organic sodium salt | |
azlocillin sodium [no description available] | 2.08 | 1 | 0 | organic sodium salt | |
chiniofon Hydroxyquinolines: The 8-hydroxy derivatives inhibit various enzymes and their halogenated derivatives, though neurotoxic, are used as topical anti-infective agents, among other uses. | 10.37 | 99 | 3 | | |
s-adenosylmethionine (R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 2.4 | 2 | 0 | organic cation; sulfonium compound | coenzyme; cofactor; human metabolite; micronutrient; Mycoplasma genitalium metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
delanzomib [no description available] | 3.16 | 1 | 0 | C-terminal boronic acid peptide; phenylpyridine; secondary alcohol; threonine derivative | antineoplastic agent; apoptosis inducer; proteasome inhibitor |
cardiovascular agents Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 2.63 | 3 | 0 | | |
oprozomib ONX 0912: antineoplastic; an orally active proteasome inhibitor; structure in first source | 3.16 | 1 | 0 | | |
hainanolide hainanolide: from bark of Cephalotaxux hainensis | 2.04 | 1 | 0 | | |
cx 5461 CX 5461: structure in first source | 2.13 | 1 | 0 | diazepine; naphthyridine derivative; organic heterotetracyclic compound; pyrazines; secondary carboxamide | antineoplastic agent; apoptosis inducer; EC 2.7.7.6 (RNA polymerase) inhibitor |
gliocladic acid gliocladic acid: from Gliocladium virens, Chaetomium globosum & Trichoderma viride; structure given in first source | 2.04 | 1 | 0 | p-menthane monoterpenoid | |
piperidines Piperidines: A family of hexahydropyridines. | 5.01 | 5 | 2 | | |
interleukin-8 Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 7.17 | 1 | 0 | | |
cleistanthin cleistanthin: lignan lactone toxic glycoside from Cleistanthus collinus (Roxb); structure. cleistanthin A : A member of the class of cleistanthins that is the 4-O-3,4-di-O-methyl-beta-D-xylopyranoside of 1,3-dihydronaphtho[2,3-c]furan-4-ol which is substituted by an oxo group at position 1, methoxy groups at positions 6 and 7, and a 1,3-benzodioxol-5-yl group at position 9. It is one of the toxic principles in Cleistanthus collinus. | 2.04 | 1 | 0 | cleistanthins; xylose derivative | alpha-adrenergic antagonist; antihypertensive agent; diuretic |
colistin Colistin: Cyclic polypeptide antibiotic from Bacillus colistinus. It is composed of Polymyxins E1 and E2 (or Colistins A, B, and C) which act as detergents on cell membranes. Colistin is less toxic than Polymyxin B, but otherwise similar; the methanesulfonate is used orally.. colistin : A multi-component mixture comprising mostly of colistin A (R = Me) and B (R = H), with small amounts of colistin C and other polymyxins, produced by certain strains of Bacillus polymyxa var. colistinus. An antibiotic, it is used as its sulfate salt (for oral or topical use) or as the sodium salt of the N-methylsulfonic acid derivative (the injectable form) in the treatment of severe Gram-negative infections, partiularly those due to Pseudomonas aeruginosa. | 2.38 | 2 | 0 | | |
endrin Endrin: An organochlorine compound that was formerly used as an insecticide. Its manufacture and use has been discontinued in the United States. (From Merck Index, 11th ed). endrin : An organochlorine compound resulting from the epoxidation of the double bond of isodrin. It is the endo, endo stereoisomer of dieldrin. It is an insecticide mainly used on field crops such as cotton and grains and has also been used as a rodenticide to control mice and voles. The product is banned in many countries since it is a persistent organic pollutant. | 3.05 | 1 | 0 | | |
bms 708163 BMS 708163: structure in first source | 3.35 | 1 | 0 | oxadiazole; ring assembly | |
nimorazole [no description available] | 2.04 | 1 | 0 | | |
methylcellulose Methylcellulose: Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetics, pharmaceutics and the chemical industry. It is used therapeutically as a bulk laxative. | 2.35 | 2 | 0 | | |
butyrolactone i butyrolactone I: selective inhibitor of cdk2 & cdc2 kinase; structure given in first source | 2.05 | 1 | 0 | butenolide | |
ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 3.26 | 6 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
novobiocin Novobiocin: An antibiotic compound derived from Streptomyces niveus. It has a chemical structure similar to coumarin. Novobiocin binds to DNA gyrase, and blocks adenosine triphosphatase (ATPase) activity. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p189). novobiocin : A coumarin-derived antibiotic obtained from Streptomyces niveus. | 2.74 | 3 | 0 | carbamate ester; ether; hexoside; hydroxycoumarin; monocarboxylic acid amide; monosaccharide derivative; phenols | antibacterial agent; antimicrobial agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; Escherichia coli metabolite; hepatoprotective agent |
tetracycline Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 7.15 | 16 | 2 | | |
chlortetracycline Chlortetracycline: A TETRACYCLINE with a 7-chloro substitution.. chlortetracycline : A member of the class of tetracyclines with formula C22H23ClN2O8 isolated from Streptomyces aureofaciens. | 3.46 | 8 | 0 | | |
oxytetracycline, anhydrous Oxytetracycline: A TETRACYCLINE analog isolated from the actinomycete STREPTOMYCES RIMOSUS and used in a wide variety of clinical conditions.. oxytetracycline : A tetracycline used for treatment of infections caused by a variety of Gram positive and Gram negative microorganisms including Mycoplasma pneumoniae, Pasteurella pestis, Escherichia coli, Haemophilus influenzae (respiratory infections), and Diplococcus pneumoniae. | 5.05 | 10 | 1 | | |
minocycline Minocycline: A TETRACYCLINE analog, having a 7-dimethylamino and lacking the 5 methyl and hydroxyl groups, which is effective against tetracycline-resistant STAPHYLOCOCCUS infections.. minocycline : A tetracycline analogue having a dimethylamino group at position 7 and lacking the methyl and hydroxy groups at position 5. | 2.74 | 3 | 0 | | |
salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 4.72 | 7 | 1 | monohydroxybenzoate | plant metabolite |
dicumarol Dicumarol: An oral anticoagulant that interferes with the metabolism of vitamin K. It is also used in biochemical experiments as an inhibitor of reductases. | 2.05 | 1 | 0 | hydroxycoumarin | anticoagulant; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; Hsp90 inhibitor; vitamin K antagonist |
piroxicam [no description available] | 3.35 | 6 | 0 | benzothiazine; monocarboxylic acid amide; pyridines | analgesic; antirheumatic drug; cyclooxygenase 1 inhibitor; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug |
roquinimex roquinimex: structure in first source | 2.08 | 1 | 0 | aromatic amide | |
acenocoumarol Acenocoumarol: A coumarin that is used as an anticoagulant. Its actions and uses are similar to those of WARFARIN. (From Martindale, The Extra Pharmacopoeia, 30th ed, p233). acenocoumarol : A hydroxycoumarin that is warfarin in which the hydrogen at position 4 of the phenyl substituent is replaced by a nitro group. | 2.05 | 1 | 0 | C-nitro compound; hydroxycoumarin; methyl ketone | anticoagulant; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor |
bactobolin bactobolin: from Pseudomonas sp. BN-183; has MF C14-H20-Cl2-N2-O6; RN given refers to parent cpd(R*)-isomer | 2.04 | 1 | 0 | amino acid amide | |
mobic Meloxicam: A benzothiazine and thiazole derivative that acts as a NSAID and cyclooxygenase-2 (COX-2) inhibitor. It is used in the treatment of RHEUMATOID ARTHRITIS; OSTEOARTHRITIS; and ANKYLOSING SPONDYLITIS.. meloxicam : A benzothiazine that is piroxicam in which the pyridin-2-yl group is replaced by a 5-methyl-1,3-thiazol-2-yl group. A non-steroidal anti-inflammatory drug and selective inhibitor of COX-2, it is used particularly for the management of rheumatoid arthritis. | 2.47 | 2 | 0 | 1,3-thiazoles; benzothiazine; monocarboxylic acid amide | analgesic; antirheumatic drug; cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
mobiflex tenoxicam : A thienothiazine-derived monocarboxylic acid amide obtained by formal condensation of the carboxy group of 4-hydroxy-2-methylthieno[2,3-e][1,2]thiazine-3-carboxylic acid 1,1-dioxide with the amino group of 2-aminopyridine. Used for the treatment of pain and inflammation in osteoarthritis and rheumatoid arthritis. It is also indicated for short term treatment of acute musculoskeletal disorders including strains, sprains and other soft-tissue injuries. | 2.97 | 4 | 0 | heteroaryl hydroxy compound; monocarboxylic acid amide; pyridines; thienothiazine | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
isoxicam isoxicam : A monocarboxylic acid amide that is piroxicam in which the pyrid-2-yl group is replaced by a 5-methyl-1,2-oxazol-3-yl group. A non-steroidal anti-inflammatory drug, it was withdrawn from the market in the 1980s following its association with cases of Stevens-Johnson syndrome. | 2.08 | 1 | 0 | benzothiazine; isoxazoles; monocarboxylic acid amide | antirheumatic drug; non-steroidal anti-inflammatory drug |
warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 2.45 | 2 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
bephenium hydroxynaphthoate bephenium hydroxynaphthoate: structure | 2.04 | 1 | 0 | | |
demeclocycline Demeclocycline: A TETRACYCLINE analog having a 7-chloro and a 6-methyl. Because it is excreted more slowly than tetracycline, it maintains effective blood levels for longer periods of time.. demeclocycline : Tetracycline which lacks the methyl substituent at position 7 and in which the hydrogen para- to the phenolic hydroxy group is substituted by chlorine. Like tetracycline, it is an antibiotic, but being excreted more slowly, effective blood levels are maintained for longer. It is used (mainly as the hydrochloride) for the treatment of Lyme disease, acne and bronchitis, as well as for hyponatraemia (low blood sodium concentration) due to the syndrome of inappropriate antidiuretic hormone (SIADH) where fluid restriction alone has been ineffective. | 2.37 | 2 | 0 | | |
phenprocoumon Phenprocoumon: Coumarin derivative that acts as a long acting oral anticoagulant.. phenprocoumon : A hydroxycoumarin that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenylpropyl group. | 2.45 | 2 | 0 | hydroxycoumarin | anticoagulant; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor |
pyrvinium pamoate [no description available] | 3.25 | 1 | 0 | naphthoic acid | anticoronaviral agent |
rolitetracycline Rolitetracycline: A pyrrolidinylmethyl TETRACYCLINE.. rolitetracycline : A derivative of tetracycline in which the amide function is substituted with a pyrrolidinomethyl group. | 2.68 | 3 | 0 | | |
minocycline hydrochloride [no description available] | 2.08 | 1 | 0 | | |
tigecycline [no description available] | 2.08 | 1 | 0 | | |
lornoxicam lornoxicam : A thienothiazine-derived monocarboxylic acid amide obtained by formal condensation of the carboxy group of 6-chloro-4-hydroxy-2-methylthieno[2,3-e][1,2]thiazine-3-carboxylic acid 1,1-dioxide with the amino group of 2-aminopyridine. Used for the treatment of pain, primarily resulting from inflammatory diseases of the joints, osteoarthritis, surgery, sciatica and other inflammations. | 2.47 | 2 | 0 | heteroaryl hydroxy compound; monocarboxylic acid amide; organochlorine compound; pyridines; thienothiazine | antipyretic; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
ajmaline [no description available] | 2.05 | 1 | 0 | | |
cyclin d1 Cyclin D1: Protein encoded by the bcl-1 gene which plays a critical role in regulating the cell cycle. Overexpression of cyclin D1 is the result of bcl-1 rearrangement, a t(11;14) translocation, and is implicated in various neoplasms. | 7.06 | 1 | 0 | | |
aldrin Aldrin: A highly poisonous substance that was formerly used as an insecticide. The manufacture and use has been discontinued in the U.S. (From Merck Index, 11th ed). aldrin : An organochlorine compound resulting from the Diels-Alder reaction of hexachlorocyclopentadiene with norbornadiene. A proinsecticide (by epoxidation of the non-chlorinated double bond to give dieldrin), it was widely used as an insecticide before being banned in the 1970s as a persistent organic pollutant. | 3.05 | 1 | 0 | | |
vitamin b 12 Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 3.24 | 6 | 0 | | |
myelin oligodendrocyte glycoprotein (35-55) [no description available] | 2.08 | 1 | 0 | | |
orabase Orabase: used in therapy of oral mucosal ulcers | 2.39 | 2 | 0 | | |
amyloid beta-peptides amyloid beta-protein (1-40): although acutely neurotoxic in both rat & monkey cerebral cortex, neuronal degeneration in primates resembles more closely to that found in Alzheimer's disease; amino acid sequence has been determined | 6.52 | 9 | 2 | | |
entecavir entecavir (anhydrous) : Guanine substituted at the 9 position by a 4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl group. A synthetic analogue of 2'-deoxyguanosine, it is a nucleoside reverse transcriptase inhibitor with selective antiviral activity against hepatitis B virus. Entecavir is phosphorylated intracellularly to the active triphosphate form, which competes with deoxyguanosine triphosphate, the natural substrate of hepatitis B virus reverse transcriptase, inhibiting every stage of the enzyme's activity, although it has no activity against HIV. It is used for the treatment of chronic hepatitis B. | 2.47 | 2 | 0 | 2-aminopurines; oxopurine; primary alcohol; secondary alcohol | antiviral drug; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
acyclovir Acyclovir: A GUANOSINE analog that acts as an antimetabolite. Viruses are especially susceptible. Used especially against herpes.. acyclovir : An oxopurine that is guanine substituted by a (2-hydroxyethoxy)methyl substituent at position 9. Used in the treatment of viral infections. | 2.75 | 3 | 0 | 2-aminopurines; oxopurine | antimetabolite; antiviral drug |
inosine [no description available] | 2.05 | 1 | 0 | inosines; purines D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
folic acid folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.45 | 2 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
viomycin [no description available] | 2.04 | 1 | 0 | heterodetic cyclic peptide; peptide antibiotic | antitubercular agent |
rifampin Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160) | 3.11 | 5 | 0 | cyclic ketal; hydrazone; N-iminopiperazine; N-methylpiperazine; rifamycins; semisynthetic derivative; zwitterion | angiogenesis inhibitor; antiamoebic agent; antineoplastic agent; antitubercular agent; DNA synthesis inhibitor; EC 2.7.7.6 (RNA polymerase) inhibitor; Escherichia coli metabolite; geroprotector; leprostatic drug; neuroprotective agent; pregnane X receptor agonist; protein synthesis inhibitor |
clozapine Clozapine: A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent.. clozapine : A benzodiazepine that is 5H-dibenzo[b,e][1,4]diazepine substituted by a chloro group at position 8 and a 4-methylpiperazin-1-yl group at position 11. It is a second generation antipsychotic used in the treatment of psychiatric disorders like schizophrenia. | 2.97 | 4 | 0 | benzodiazepine; N-arylpiperazine; N-methylpiperazine; organochlorine compound | adrenergic antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; GABA antagonist; histamine antagonist; muscarinic antagonist; second generation antipsychotic; serotonergic antagonist; xenobiotic |
dacarbazine (E)-dacarbazine : A dacarbazine in which the N=N double bond adopts a trans-configuration. | 2.97 | 4 | 0 | dacarbazine | |
didanosine Didanosine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. Didanosine is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA by binding to reverse transcriptase; ddI is then metabolized to dideoxyadenosine triphosphate, its putative active metabolite.. didanosine : A purine 2',3'-dideoxyribonucleoside that is inosine in which the hydroxy groups at both the 2' and the 3' positions on the sugar moiety have been replaced by hydrogen. An antiviral drug, it is used as a medication to treat HIV/AIDS. | 2.47 | 2 | 0 | purine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor; geroprotector; HIV-1 reverse transcriptase inhibitor |
ganciclovir [no description available] | 2.75 | 3 | 0 | 2-aminopurines; oxopurine | antiinfective agent; antiviral drug |
valtrex [no description available] | 2.08 | 1 | 0 | organic molecular entity | |
sildenafil sildenafil : A pyrazolo[4,3-d]pyrimidin-7-one having a methyl substituent at the 1-position, a propyl substituent at the 3-position and a 2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl group at the 5-position. | 2.05 | 1 | 0 | piperazines; pyrazolopyrimidine; sulfonamide | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent |
olanzapine Olanzapine: A benzodiazepine derivative that binds SEROTONIN RECEPTORS; MUSCARINIC RECEPTORS; HISTAMINE H1 RECEPTORS; ADRENERGIC ALPHA-1 RECEPTORS; and DOPAMINE RECEPTORS. It is an antipsychotic agent used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER; and MAJOR DEPRESSIVE DISORDER; it may also reduce nausea and vomiting in patients undergoing chemotherapy.. olanzapine : A benzodiazepine that is 10H-thieno[2,3-b][1,5]benzodiazepine substituted by a methyl group at position 2 and a 4-methylpiperazin-1-yl group at position 4. | 2.75 | 3 | 0 | benzodiazepine; N-arylpiperazine; N-methylpiperazine | antiemetic; dopaminergic antagonist; histamine antagonist; muscarinic antagonist; second generation antipsychotic; serotonergic antagonist; serotonin uptake inhibitor |
penciclovir penciclovir : A member of the class of 2-aminopurines that is guanine in which the hydrogen at position 9 is substituted by a 4-hydroxy-3-(hydroxymethyl)but-1-yl group. An antiviral drug, it is administered topically for treatment of herpes labialis. A prodrug, famciclovir, is used for oral administration. | 2.05 | 1 | 0 | 2-aminopurines; propane-1,3-diols | antiviral drug |
oxypurinol Oxypurinol: A xanthine oxidase inhibitor.. alloxanthine : A pyrazolopyrimidine that is 4,5,6,7-tetrahydro-H-pyrazolo[3,4-d]pyrimidine substituted by oxo groups at positions 4 and 6. | 2.05 | 1 | 0 | pyrazolopyrimidine | drug metabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor |
raltitrexed [no description available] | 2.47 | 2 | 0 | N-acyl-amino acid | |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 3.26 | 6 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
azaguanine Azaguanine: One of the early purine analogs showing antineoplastic activity. It functions as an antimetabolite and is easily incorporated into ribonucleic acids.. 8-azaguanine : A triazolopyrimidine that consists of 3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidine bearing amino and oxo substituents at positions 5 and 7 respectively. | 2.04 | 1 | 0 | nucleobase analogue; triazolopyrimidines | antimetabolite; antineoplastic agent; EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor |
citrovorum factor [no description available] | 2.08 | 1 | 0 | tetrahydrofolic acid | |
leucovorin 5-formyltetrahydrofolic acid : A formyltetrahydrofolic acid in which the formyl group is located at position 5. | 2.05 | 1 | 0 | formyltetrahydrofolic acid | Escherichia coli metabolite; mouse metabolite |
hematein hematein: structure. hematein : An organic heterotetracyclic compound that is -6a,7-dihydrobenzo[b]indeno[1,2-d]pyran-9-one carrying four hydroxy substituents at positions 3, 4, 6a and 10. | 2.31 | 1 | 0 | | |
rifapentine rifapentine: cyclopentyl derivative of rifampicin | 2.08 | 1 | 0 | N-alkylpiperazine; N-iminopiperazine; rifamycins | antitubercular agent; leprostatic drug |
thiolactomycin thiolactomycin: from actinomycetes; structure given in first source | 2.05 | 1 | 0 | | |
alanosine [no description available] | 2.45 | 2 | 0 | | |
3,4,5-trihydroxybenzamidoxime 3,4,5-trihydroxybenzamidoxime: structure given in first source | 2.05 | 1 | 0 | benzenetriol | |
7-deazaguanosine 7-deazaguanosine: structure given in first source | 2.04 | 1 | 0 | | |
tirapazamine Tirapazamine: A triazine derivative that introduces breaks into DNA strands in hypoxic cells, sensitizing tumor cells to the cytotoxic activity of other drugs and radiation.. tirapazamine : A member of the class of benzotriazines that is 1,2,4-benzotriazine carrying an amino substituent at position 3 and two oxido substituents at positions 1 and 4. | 2.05 | 1 | 0 | aromatic amine; benzotriazines; N-oxide | antibacterial agent; antineoplastic agent; apoptosis inducer |
sildenafil citrate Sildenafil Citrate: A PHOSPHODIESTERASE TYPE-5 INHIBITOR; VASODILATOR AGENT and UROLOGICAL AGENT that is used in the treatment of ERECTILE DYSFUNCTION and PRIMARY PULMONARY HYPERTENSION.. sildenafil citrate : The citrate salt of sildenafil. | 2.08 | 1 | 0 | citrate salt | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent |
aprepitant Aprepitant: A morpholine neurokinin-1 (NK1) receptor antagonist that is used in the management of nausea and vomiting caused by DRUG THERAPY, and for the prevention of POSTOPERATIVE NAUSEA AND VOMITING.. aprepitant : A morpholine-based antiemetic, which is or the prevention of acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy. Aprepitant is a selective high-affinity antagonist of human substance P/neurokinin 1 (NK1) receptors. | 2.08 | 1 | 0 | (trifluoromethyl)benzenes; cyclic acetal; morpholines; triazoles | antidepressant; antiemetic; neurokinin-1 receptor antagonist; peripheral nervous system drug; substance P receptor antagonist |
tegaserod maleate [no description available] | 2.08 | 1 | 0 | maleate salt | serotonergic agonist |
pyrazofurin pirazofurin : A C-glycosyl compound that is 4-hydroxy-1H-pyrazole-5-carboxamide in which the hydrogen at position 3 has been replaced by a beta-D-ribofuranosyl group. | 2.04 | 1 | 0 | C-glycosyl compound; pyrazoles | antimetabolite; antimicrobial agent; antineoplastic agent; EC 4.1.1.23 (orotidine-5'-phosphate decarboxylase) inhibitor |
rifabutin [no description available] | 2.47 | 2 | 0 | | |
n(10)-methylfolate [no description available] | 2.04 | 1 | 0 | folic acids | |
5-methyltetrahydrohomofolic acid 5-methyltetrahydrohomofolic acid: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
alizarine yellow g alizarine yellow G: binds bovine serum albumin; RN given refers to Na salt; structure given in first source | 2.31 | 1 | 0 | | |
ninopterin ninopterin: structure | 2.04 | 1 | 0 | | |
eye [no description available] | 1.98 | 1 | 0 | | |
amyloid beta-peptides [no description available] | 2.11 | 1 | 0 | | |
metallothionein Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 2.5 | 2 | 0 | | |
pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 2.13 | 1 | 0 | | |
phenanthrenes Phenanthrenes: POLYCYCLIC AROMATIC HYDROCARBONS composed of three fused BENZENE rings.. phenanthrenes : Any benzenoid aromatic compound that consists of a phenanthrene skeleton and its substituted derivatives thereof. | 3.04 | 5 | 0 | | |