Substance | Relationship Strength | Studies | Trials | Classes | Roles |
acetylcarnitine Acetylcarnitine: An acetic acid ester of CARNITINE that facilitates movement of ACETYL COA into the matrices of mammalian MITOCHONDRIA during the oxidation of FATTY ACIDS. | 2.43 | 2 | 0 | O-acylcarnitine | human metabolite |
alpha-ketoglutaric acid 2-oxoglutaric acid : An oxo dicarboxylic acid that consists of glutaric acid bearing an oxo substituent at position 2. It is an intermediate metabolite in Krebs cycle. | 2.41 | 2 | 0 | oxo dicarboxylic acid | fundamental metabolite |
3-phenylpropionic acid 3-phenylpropionic acid: RN given refers to parent cpd. 3-phenylpropionic acid : A monocarboxylic acid that is propionic acid substituted at position 3 by a phenyl group. | 1.96 | 1 | 0 | benzenes; monocarboxylic acid | antifungal agent; human metabolite; plant metabolite |
gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 4.3 | 19 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 3.51 | 2 | 0 | monohydroxybenzoic acid | algal metabolite; plant metabolite |
5-hydroxytryptophan 5-Hydroxytryptophan: The immediate precursor in the biosynthesis of SEROTONIN from tryptophan. It is used as an antiepileptic and antidepressant.. 5-hydroxytryptophan : A tryptophan derivative that is tryptophan substituted by a hydroxy group at position 5. | 2.35 | 2 | 0 | hydroxytryptophan | human metabolite; neurotransmitter |
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. | 2.69 | 3 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 1.98 | 1 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
acetone methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.71 | 3 | 0 | ketone body; methyl ketone; propanones; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; human metabolite; polar aprotic solvent |
adenine [no description available] | 2.7 | 3 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 3.69 | 10 | 0 | acridines; aromatic ether; organochlorine compound; tertiary amino compound | antimalarial; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor |
benzaldehyde [no description available] | 2.02 | 1 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor; EC 3.5.5.1 (nitrilase) inhibitor; flavouring agent; fragrance; odorant receptor agonist; plant metabolite |
benzene [no description available] | 2.41 | 2 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
benzoic acid Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 3.51 | 2 | 0 | benzoic acids | 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 |
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. | 3.51 | 2 | 0 | benzyl alcohols | antioxidant; fragrance; metabolite; solvent |
betaine glycine betaine : The amino acid betaine derived from glycine. | 2.73 | 3 | 0 | amino-acid betaine; glycine derivative | fundamental metabolite |
bromide Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) | 3.05 | 1 | 0 | halide anion; monoatomic bromine | |
hydrobromic acid Hydrobromic Acid: Hydrobromic acid (HBr). A solution of hydrogen bromide gas in water.. hydrobromide : Salts formally resulting from the reaction of hydrobromic acid with an organic base.. hydrogen bromide : A diatomic molecule containing covalently bonded hydrogen and bromine atoms. | 1.97 | 1 | 0 | gas molecular entity; hydrogen halide; mononuclear parent hydride | mouse metabolite |
1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 2.02 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
butyric acid Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 3.51 | 2 | 0 | fatty acid 4:0; straight-chain saturated fatty acid | human urinary metabolite; Mycoplasma genitalium metabolite |
carnitine [no description available] | 3.54 | 8 | 0 | amino-acid betaine | human metabolite; mouse 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). | 1.99 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
chloroacetic acid chloroacetic acid: urinary metabolite of vinyl chloride; RN given refers to parent cpd; structure. chloroacetic acid : A chlorocarboxylic acid that is acetic acid carrying a 2-chloro substituent. | 2.02 | 1 | 0 | chlorocarboxylic acid; haloacetic acid | alkylating agent; herbicide |
choline [no description available] | 3.37 | 7 | 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. | 2.39 | 2 | 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. | 4.05 | 15 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
hydrochloric acid Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 1.95 | 1 | 0 | chlorine molecular entity; gas molecular entity; hydrogen halide; mononuclear parent hydride | mouse metabolite |
coumarin 2H-chromen-2-one: coumarin derivative | 2.75 | 3 | 0 | coumarins | fluorescent dye; human metabolite; plant metabolite |
2-cresol 2-cresol: RN given refers to parent cpd. o-cresol : A cresol that is phenol substituted by a methyl group at position 2. It is a minor urinary metabolite of toluene. | 2.02 | 1 | 0 | cresol | human xenobiotic 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). | 3.78 | 3 | 0 | monohydroxybenzoic acid | algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite |
3-cresol 3-cresol: RN given refers to parent cpd. m-cresol : A cresol with the methyl substituent at position 3. It is a minor urinary metabolite of toluene. | 2.02 | 1 | 0 | cresol | human xenobiotic metabolite |
2-aminoacetaldehyde 2-aminoacetaldehyde: structure. 2-aminoacetaldehyde : An amino aldehyde that is acetaldehyde in which one of the hydrogens of the methyl group has been replaced by an amino group. | 1.96 | 1 | 0 | amino aldehyde; omega-aminoaldehyde | Escherichia coli metabolite |
gallic acid gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 3.79 | 3 | 0 | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
4-nitrophenylphosphate nitrophenylphosphate: RN given refers to mono(4-nitrophenyl) ester of phosphoric acid. 4-nitrophenyl phosphate : An aryl phosphate resulting from the mono-esterification of phosphoric acid with 4-nitrophenol. | 1.99 | 1 | 0 | aryl phosphate | mouse metabolite |
octanoic acid octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764. octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid. | 3.1 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | antibacterial agent; Escherichia coli metabolite; human 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. | 3.1 | 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. | 2.96 | 4 | 0 | aromatic ketone; monochlorobenzenes; secondary amino compound | antidepressant; environmental contaminant; xenobiotic |
guaiacol Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2.45 | 2 | 0 | guaiacols | disinfectant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; expectorant; plant metabolite |
phosphoglycolate phosphoglycolate: RN given refers to parent acid. 2-phosphoglycolic acid : The O-phospho derivative of glycolic acid. | 1.96 | 1 | 0 | carboxyalkyl phosphate | Escherichia coli metabolite; mouse metabolite |
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. | 2.38 | 2 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
creatine [no description available] | 2 | 1 | 0 | glycine derivative; guanidines; zwitterion | geroprotector; human metabolite; mouse metabolite; neuroprotective agent; nutraceutical |
ethanolamine [no description available] | 1.94 | 1 | 0 | ethanolamines; primary alcohol; primary amine | Escherichia coli metabolite; human metabolite; mouse metabolite |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 3.6 | 9 | 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 |
gamma-butyrobetaine 4-(trimethylammonio)butanoate : An amino-acid betaine gamma-aminobutyric acid zwitterion in which all of the hydrogens attached to the nitrogen are replaced by methyl groups. | 2.43 | 2 | 0 | amino-acid betaine | Escherichia coli metabolite; human 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. | 1.96 | 1 | 0 | chlorocyclohexane | |
glycine [no description available] | 2.75 | 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 |
hydrogen carbonate Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 2.88 | 4 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
histamine [no description available] | 14.49 | 863 | 9 | 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. | 2.11 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
hydroquinone [no description available] | 3.49 | 2 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.66 | 3 | 0 | imidazole | |
indole [no description available] | 2.44 | 2 | 0 | indole; polycyclic heteroarene | Escherichia coli metabolite |
dihydroxyphenylalanine Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring. | 1.97 | 1 | 0 | hydroxyphenylalanine; non-proteinogenic alpha-amino acid; tyrosine derivative | human metabolite |
methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 3.51 | 2 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
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. | 3.36 | 7 | 0 | cyclitol; hexol | |
melatonin [no description available] | 4.69 | 8 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
croton oil [no description available] | 2.7 | 3 | 0 | N-acyl-hexosamine | |
acetanilide acetanilide: a phenylacetamide; use ACETANILIDES for the plural group meaning of the singular term. N-phenylacetamide : A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen is substituted by a phenyl group. | 2.45 | 2 | 0 | acetamides; anilide | analgesic |
n-methylhistamine [no description available] | 3.5 | 2 | 0 | aralkylamine | |
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. | 2.67 | 3 | 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. | 2.46 | 2 | 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. | 2.43 | 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 |
n,n-dimethylaniline N,N-dimethylaniline: RN given refers to parent cpd; structure. dimethylaniline : A methylaniline carrying at least two methyl groups.. N,N-dimethylaniline : A tertiary amine that is aniline in which the amino hydrogens are replaced by two methyl groups. | 3.51 | 2 | 0 | dimethylaniline; tertiary amine | |
oxalic acid Oxalic Acid: A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.. oxalic acid : An alpha,omega-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2. | 1.96 | 1 | 0 | alpha,omega-dicarboxylic acid | algal metabolite; human metabolite; plant metabolite |
4-nitrophenol 4-nitrophenol: RN given refers to parent cpd. mononitrophenol : A nitrophenol that is phenol carrying a single nitro substituent at unspecified position.. 4-nitrophenol : A member of the class of 4-nitrophenols that is phenol in which the hydrogen that is para to the hydroxy group has been replaced by a nitro group. | 3.51 | 2 | 0 | 4-nitrophenols | human xenobiotic metabolite; mouse metabolite |
phenol [no description available] | 8.99 | 4 | 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. | 2.02 | 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 |
phenethylamine phenethylamine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7016. 2-phenylethylamine : A phenylethylamine having the phenyl substituent at the 2-position. | 2.66 | 3 | 0 | alkaloid; aralkylamine; phenylethylamine | Escherichia coli metabolite; human metabolite; mouse metabolite |
phosphoric acid phosphoric acid: concise etchant is 37% H3PO4. phosphoric acid : A phosphorus oxoacid that consists of one oxo and three hydroxy groups joined covalently to a central phosphorus atom. | 1.96 | 1 | 0 | phosphoric acids | algal metabolite; fertilizer; human metabolite; NMR chemical shift reference compound; solvent |
1-propanol 1-Propanol: A colorless liquid made by oxidation of aliphatic hydrocarbons that is used as a solvent and chemical intermediate.. propan-1-ol : The parent member of the class of propan-1-ols that is propane in which a hydrogen of one of the methyl groups is replaced by a hydroxy group. | 2.41 | 2 | 0 | propan-1-ols; short-chain primary fatty alcohol | metabolite; protic solvent |
propionic acid propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.02 | 1 | 0 | saturated fatty acid; short-chain fatty acid | antifungal drug |
putrescine [no description available] | 2 | 1 | 0 | alkane-alpha,omega-diamine | antioxidant; fundamental metabolite |
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. | 2.69 | 3 | 0 | monocarboxylic acid amide; N-acylammonia; pyrazines | antitubercular agent; prodrug |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 7.66 | 3 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
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. | 1.95 | 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). | 2.07 | 1 | 0 | hydroxymethylpyridine; methylpyridines; monohydroxypyridine; vitamin B6 | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
pyrogallol benzenetriol : A triol in which three hydroxy groups are substituted onto a benzene ring. | 3.1 | 1 | 0 | benzenetriol; phenolic donor | plant metabolite |
dimethyl sulfide dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group. | 2.02 | 1 | 0 | aliphatic sulfide | algal metabolite; bacterial xenobiotic metabolite; EC 3.5.1.4 (amidase) inhibitor; Escherichia coli metabolite; marine metabolite |
spermidine [no description available] | 2.72 | 3 | 0 | polyazaalkane; triamine | autophagy inducer; fundamental metabolite; geroprotector |
spermine [no description available] | 2.42 | 2 | 0 | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent |
taurine [no description available] | 2.38 | 2 | 0 | amino sulfonic acid; zwitterion | antioxidant; Escherichia coli metabolite; glycine receptor agonist; human metabolite; mouse metabolite; nutrient; radical scavenger; Saccharomyces cerevisiae metabolite |
thiophane [no description available] | 2.02 | 1 | 0 | saturated organic heteromonocyclic parent; tetrahydrothiophenes | |
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. | 2.37 | 2 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.41 | 2 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
tryptophan [no description available] | 3.1 | 1 | 0 | alpha-amino acid; amino acid zwitterion; aminoalkylindole; aromatic amino acid; polar amino acid | Daphnia magna metabolite |
tryptamine [no description available] | 1.96 | 1 | 0 | aminoalkylindole; aralkylamino compound; indole alkaloid; tryptamines | human metabolite; mouse metabolite; plant 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. | 2.71 | 3 | 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 |
vanillin Vanilla: A plant genus of the family ORCHIDACEAE that is the source of the familiar flavoring used in foods and medicines (FLAVORING AGENTS). | 3.1 | 1 | 0 | benzaldehydes; monomethoxybenzene; phenols | anti-inflammatory agent; anticonvulsant; antioxidant; flavouring agent; plant metabolite |
catechin [no description available] | 3.1 | 1 | 0 | hydroxyflavan | |
epibatidine [no description available] | 2.08 | 1 | 0 | alkaloid | |
8-hydroxy-2-(di-n-propylamino)tetralin 8-Hydroxy-2-(di-n-propylamino)tetralin: A serotonin 1A-receptor agonist that is used experimentally to test the effects of serotonin.. 8-OH-DPAT : A tetralin substituted at positions 1 and 7 by hydroxy and dipropylamino groups respectively | 3.76 | 10 | 0 | phenols; tertiary amino compound; tetralins | serotonergic antagonist |
4-iodo-2,5-dimethoxyphenylisopropylamine 4-iodo-2,5-dimethoxyphenylisopropylamine: RN given refers to unlabeled parent cpd without isomeric designation; a serotonin agonist. 2-(4-iodo-2,5-dimethoxyphenyl)-1-methylethylamine : An organoiodine compound that is amphetamine bearing two methoxy substituents at positions 2 and 5 as well as an iodo substituent at position 4. | 3.35 | 6 | 0 | amphetamines; dimethoxybenzene; organoiodine compound | |
gallopamil Gallopamil: Coronary vasodilator that is an analog of iproveratril (VERAPAMIL) with one more methoxy group on the benzene ring. | 3.72 | 10 | 0 | benzenes; organic amino compound | |
octoclothepine octoclothepine: major tranquilizer with action similar to those of the phenothiazines; used in schizophrenic & manic psychoses; minor decriptor (77-86); on-line & INDEX MEDICUS search DIBENZOTHIEPINS (77-86); RN given refers to parent cpd without isomeric designation | 2.02 | 1 | 0 | dibenzothiepine | |
menthol Menthol: A monoterpene cyclohexanol produced from mint oils. | 8.76 | 3 | 0 | p-menthane monoterpenoid; secondary alcohol | volatile oil component |
1,3-dipropyl-8-cyclopentylxanthine DPCPX : An oxopurine that is 7H-xanthine substituted at positions 1 and 3 by propyl groups and at position 8 by a cyclohexyl group. | 3.83 | 11 | 0 | oxopurine | adenosine A1 receptor antagonist; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
pk 11195 PK-11195 : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 1-(2-chlorophenyl)isoquinoline-3-carboxylic acid with the amino group of sec-butylmethylamine | 3.19 | 5 | 0 | aromatic amide; isoquinolines; monocarboxylic acid amide; monochlorobenzenes | antineoplastic agent |
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. | 2.37 | 2 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
1-(1,3-benzodioxol-5-ylcarbonyl)piperidine 1-(1,3-benzodioxol-5-ylcarbonyl)piperidine: crosses the blood brain barrier & enhances synaptic responses in freely moving animals | 2.04 | 1 | 0 | N-acylpiperidine | |
1h-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one 1H-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one: structure given in first source; inhibits guanylyl cyclase. 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one : A member of the class of oxadiazoloquinoxalines that is 1H-[1,2,4]oxadiazolo[4,3-a]quinoxaline substituted at position 1 by an oxo group. | 2.44 | 2 | 0 | oxadiazoloquinoxaline | EC 4.6.1.2 (guanylate cyclase) inhibitor |
2,2'-dipyridyl 2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'. | 1.98 | 1 | 0 | bipyridine | chelator; ferroptosis inhibitor |
2-aminofluorene [no description available] | 3.1 | 1 | 0 | | |
mercaptoethanol Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation. | 2.37 | 2 | 0 | alkanethiol; primary alcohol | geroprotector |
2-nitro-4-carboxyphenyl-n,n-diphenylcarbamate 2-nitro-4-carboxyphenyl-N,N-diphenylcarbamate: inhibits phospholipase C and serine esterases; structure in first source | 2.03 | 1 | 0 | | |
3,4-dichloroisocoumarin 3,4-dichloroisocoumarin : A member of the class of isocoumarins that is isocoumarin substituted by chloro groups at positions 3 and 4. It is a serine protease inhibitor. | 2.04 | 1 | 0 | isocoumarins; organochlorine compound | geroprotector; serine protease inhibitor |
n-methyl-3,4-methylenedioxyamphetamine N-Methyl-3,4-methylenedioxyamphetamine: An N-substituted amphetamine analog. It is a widely abused drug classified as a hallucinogen and causes marked, long-lasting changes in brain serotonergic systems. It is commonly referred to as MDMA or ecstasy.. 3,4-methylenedioxymethamphetamine : A member of the class of benzodioxoles that is 1,3-benzodioxole substituted by a 2-(methylamino)propyl group at position 5. | 2 | 1 | 0 | amphetamines; benzodioxoles | neurotoxin |
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. | 1.99 | 1 | 0 | amino sulfonic acid; zwitterion | algal metabolite; anti-inflammatory agent; anticonvulsant; GABA agonist; nootropic agent |
enprofylline enprofylline : Xanthine bearing a propyl substituent at position 3. A bronchodilator, it is used for the symptomatic treatment of asthma and chronic obstructive pulmonary disease, and in the management of cerebrovascular insufficiency, sickle cell disease, and diabetic neuropathy. | 2.07 | 1 | 0 | oxopurine | anti-arrhythmia drug; anti-asthmatic drug; bronchodilator agent; non-steroidal anti-inflammatory drug |
4-aminopyridine [no description available] | 2.39 | 2 | 0 | aminopyridine; aromatic amine | avicide; orphan drug; potassium channel blocker |
4-diphenylacetoxy-1,1-dimethylpiperidinium 4-diphenylacetoxy-1,1-dimethylpiperidinium: muscarinic receptor antagonist; RN given refers to parent cpd; do not confuse abbreviation 4-DAMP with a similar cpd which does not contain dimethyl groups. 4-DAMP(1+) : A quaternary ammonium salt obtained by formal methylation of the tertiary amino function of 4-diphenylacetoxy-N-methylpiperidine. | 1.97 | 1 | 0 | quaternary ammonium ion | cholinergic antagonist; muscarinic antagonist |
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. | 3.98 | 4 | 0 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
phenytoin [no description available] | 3.25 | 6 | 0 | imidazolidine-2,4-dione | anticonvulsant; drug allergen; sodium channel blocker; teratogenic agent |
5,8,11,14-eicosatetraynoic acid 5,8,11,14-Eicosatetraynoic Acid: A 20-carbon unsaturated fatty acid containing 4 alkyne bonds. It inhibits the enzymatic conversion of arachidonic acid to prostaglandins E(2) and F(2a). | 2.37 | 2 | 0 | long-chain fatty acid | |
5-carboxamidotryptamine 5-carboxamidotryptamine: agonist of 5-HT receptor; structure given in first source | 2.38 | 2 | 0 | tryptamines | |
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. | 2.38 | 2 | 0 | indole-3-acetic acids | drug metabolite; human metabolite; mouse metabolite |
6-hydroxymelatonin 6-hydroxymelatonin : A member of the class of tryptamines that is melatonin with a hydroxy group substituent at position 6. | 3.1 | 1 | 0 | acetamides; tryptamines | metabolite; mouse metabolite |
8-(4-sulfophenyl)theophylline 8-(4-sulfophenyl)theophylline: adenosine antagonist | 2.68 | 3 | 0 | | |
8-phenyltheophylline 8-phenyltheophylline: purinergic P1 receptor antagonist | 2.38 | 2 | 0 | | |
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. | 3.53 | 2 | 0 | 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. | 3.13 | 5 | 0 | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
aa 861 2,3,5-trimethyl-6-(12-hydroxy-5,10-dodecadiynyl)-1,4-benzoquinone: structure given in first source. docebenone : A member of the class of benzoquinones that is p-benzoquinone in which the hydrogens are substituted by three methyl groups and a 12-hydroxydodeca-5,10-diyn-1-yl group. | 3.48 | 8 | 0 | 1,4-benzoquinones; acetylenic compound; primary alcohol | EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; ferroptosis 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. | 2.44 | 2 | 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. | 7.36 | 7 | 1 | 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] | 2.07 | 1 | 0 | acetamides; anilide | |
ethacridine Ethacridine: A topically applied anti-infective agent. | 2.42 | 2 | 0 | acridines | |
4-(acetylamino)benzeneacetic acid [no description available] | 2.07 | 1 | 0 | acetamides; anilide | |
adiphenine adiphenine: was heading 1963-94; use DIPHENYLACETIC ACIDS to search ADIPHENINE 1966-94 | 2.48 | 2 | 0 | diarylmethane | |
tyrphostin 25 [no description available] | 2 | 1 | 0 | benzenetriol | |
aklomide aklomide: structure | 2.07 | 1 | 0 | carbonyl compound; organohalogen compound | |
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). | 3.68 | 10 | 0 | phenols; phenylethanolamines; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; environmental contaminant; xenobiotic |
alosetron alosetron : A pyrido[4,3-b]indole compound having a 5-methyl-1H-imidazol-4-ylmethyl group at the 2-position. | 2 | 1 | 0 | imidazoles; pyridoindole | antiemetic; gastrointestinal drug; serotonergic antagonist |
alpha-methylserotonin alpha-methylserotonin: potent agonist at M & D receptors of serotonin; RN given refers to parent cpd | 1.96 | 1 | 0 | tryptamines | serotonergic agonist |
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 | 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. | 3.09 | 5 | 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. | 2.07 | 1 | 0 | triamino-1,3,5-triazine | |
am 251 AM 251: an analog of SR141716A; structure given in first source. AM-251 : A carbohydrazide obtained by formal condensation of the carboxy group of 1-(2,4-dichlorophenyl)-5-(4-iodophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid with the amino group of 1-aminopiperidine. An antagonist at the CB1 cannabinoid receptor. | 2.74 | 3 | 0 | amidopiperidine; carbohydrazide; dichlorobenzene; organoiodine compound; pyrazoles | antidepressant; antineoplastic agent; apoptosis inducer; CB1 receptor antagonist |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.45 | 2 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
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. | 2.07 | 1 | 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. | 3.36 | 7 | 0 | guanidines; one-carbon compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 1.4.3.4 (monoamine oxidase) inhibitor |
p-aminohippuric acid p-Aminohippuric Acid: The glycine amide of 4-aminobenzoic acid. Its sodium salt is used as a diagnostic aid to measure effective renal plasma flow (ERPF) and excretory capacity.. p-aminohippurate : A hippurate that is the conjugate base of p-aminohippuric acid, arising from deprotonation of the carboxy group.. p-aminohippuric acid : An N-acylglycine that is the 4-amino derivative of hippuric acid; used as a diagnostic agent in the measurement of renal plasma flow. | 2.93 | 4 | 0 | N-acylglycine | Daphnia magna metabolite |
theophylline [no description available] | 5.77 | 21 | 1 | 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 |
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. | 2.75 | 3 | 0 | 1-benzofurans; aromatic ketone; organoiodine compound; tertiary amino compound | cardiovascular drug |
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. | 4.87 | 11 | 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. | 1.98 | 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. | 2.75 | 3 | 0 | dihydropyridine; ethyl ester; methyl ester; monochlorobenzenes; primary amino compound | antihypertensive agent; calcium channel blocker; vasodilator agent |
amodiaquine Amodiaquine: A 4-aminoquinoline compound with anti-inflammatory properties.. amodiaquine : A quinoline having a chloro group at the 7-position and an aryl amino group at the 4-position. | 2.67 | 3 | 0 | aminoquinoline; organochlorine compound; phenols; secondary amino compound; tertiary amino compound | anticoronaviral agent; antimalarial; drug allergen; EC 2.1.1.8 (histamine N-methyltransferase) inhibitor; non-steroidal anti-inflammatory drug; prodrug |
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. | 2.74 | 3 | 0 | dibenzooxazepine | adrenergic uptake inhibitor; antidepressant; dopaminergic antagonist; geroprotector; serotonin uptake inhibitor |
amprolium Amprolium: A veterinary coccidiostat that interferes with THIAMINE metabolism.. amprolium : An organic chloride salt having 1-[(4-amino-2-propylpyrimidin-5-yl)methyl]-2-methylpyridin-1-ium as the counterion. Used for prevention of coccidiosis in poultry and cattle.. amprolium(1+) : A pyridinium ion that is the cationic portion of amprolium, a veterinary drug which is used for prevention of coccidiosis in poultry and cattle. | 2.07 | 1 | 0 | pyridinium ion | coccidiostat |
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. | 2.07 | 1 | 0 | acridines; aromatic ether; sulfonamide | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor |
aniracetam [no description available] | 2.04 | 1 | 0 | N-acylpyrrolidine; pyrrolidin-2-ones | |
anisindione anisindione: structure. anisindione : A cyclic beta-diketone consisting of indane-1,3-dione having a 4-methoxyphenyl substituent at the 4-position. | 1.96 | 1 | 0 | aromatic ketone; beta-diketone | anticoagulant; vitamin K antagonist |
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. | 3.09 | 5 | 0 | aromatic amine; imidazolines; tertiary amino compound | cholinergic antagonist; H1-receptor antagonist; xenobiotic |
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. | 2.96 | 4 | 0 | pyrazolone | antipyretic; cyclooxygenase 3 inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
2-amino-4-phosphonobutyric acid 2-amino-4-phosphonobutyric acid: glutamate antagonist in locust muscle; structure; do not confuse with L-AP4, which is the propionic acid version | 2.05 | 1 | 0 | | |
6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinoline-10,11-diol [no description available] | 2.07 | 1 | 0 | aporphine alkaloid | |
apraclonidine apraclonidine: relieves postoperative intraocular pressure following trabeculoplasty; RN given refers to parent cpd. apraclonidine : An imidazoline that is 2-amino 4,5-dihydro-1H-imidazoline in which one of the exocyclic amino hydrogens has been replaced by a 4-amino-2,6-dichlorophenyl group. | 2.37 | 2 | 0 | dichlorobenzene; guanidines; imidazolines | alpha-adrenergic agonist; antiglaucoma drug; beta-adrenergic agonist; diagnostic agent; ophthalmology drug |
arecoline Arecoline: An alkaloid obtained from the betel nut (Areca catechu), fruit of a palm tree. It is an agonist at both muscarinic and nicotinic acetylcholine receptors. It is used in the form of various salts as a ganglionic stimulant, a parasympathomimetic, and a vermifuge, especially in veterinary practice. It has been used as a euphoriant in the Pacific Islands.. arecoline : A tetrahydropyridine that is 1,2,5,6-tetrahydropyridine with a methyl group at position 1, and a methoxycarbonyl group at position 3. An alkaloid found in the areca nut, it acts as an agonist of muscarinic acetylcholine. | 2.4 | 2 | 0 | enoate ester; methyl ester; pyridine alkaloid; tetrahydropyridine | metabolite; muscarinic agonist |
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. | 12.22 | 31 | 1 | 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. | 4.39 | 21 | 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. | 3.85 | 11 | 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. | 2.48 | 2 | 0 | aryl sulfide; C-nitro compound; imidazoles; thiopurine | antimetabolite; antineoplastic agent; carcinogenic agent; DNA synthesis inhibitor; hepatotoxic agent; immunosuppressive agent; prodrug |
azelastine azelastine: azeptin is azelastine hydrochloride; structure; eye drop formulation effective in relieving symptoms of allergic conjunctivitis; do not confuse with 5-loxin which is an extract of Boswellia. azelastine : A phthalazine compound having an oxo substituent at the 1-position, a 1-methylazepan-4-yl group at the 2-position and a 4-chlorobenzyl substituent at the 4-position. | 3.48 | 8 | 0 | monochlorobenzenes; phthalazines; tertiary amino compound | anti-allergic agent; anti-asthmatic drug; bronchodilator agent; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; H1-receptor antagonist; platelet aggregation inhibitor |
baclofen [no description available] | 2.68 | 3 | 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). | 2.02 | 1 | 0 | barbiturates | drug allergen |
bay-k-8644 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester: A dihydropyridine derivative, which, in contrast to NIFEDIPINE, functions as a calcium channel agonist. The compound facilitates Ca2+ influx through partially activated voltage-dependent Ca2+ channels, thereby causing vasoconstrictor and positive inotropic effects. It is used primarily as a research tool.. Bay-K-8644 : A racemate comprising equimolar amounts of (R)- and (S)-Bay-K-8644. methyl 2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)phenyl]-1,4-dihydropyridine-3-carboxylate : A pentasubstituted dihydropyridine carrying methoxycarbonyl, 2-(trifluoromethyl)phenyl and nitro substituents at positions 3, 4 and 5 respectively as well as two methyl substituents at positions 2 and 6. | 2.01 | 1 | 0 | (trifluoromethyl)benzenes; C-nitro compound; dihydropyridine; methyl ester | |
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. | 2.07 | 1 | 0 | benzothiadiazine; sulfonamide | antihypertensive agent; diuretic |
benfluorex [no description available] | 2.04 | 1 | 0 | benzoate ester | |
benserazide Benserazide: An inhibitor of DOPA DECARBOXYLASE that does not enter the central nervous system. It is often given with LEVODOPA in the treatment of parkinsonism to prevent the conversion of levodopa to dopamine in the periphery, thereby increasing the amount that reaches the central nervous system and reducing the required dose. It has no antiparkinson actions when given alone.. benserazide : A carbohydrazide that results from the formal condensation of the carboxy group of DL-serine with the primary amino group of 4-(hydrazinylmethyl)benzene-1,2,3-triol. An aromatic-L-amino-acid decarboxylase inhibitor (DOPA decarboxylase inhibitor) that does not enter the central nervous system, it is used as its hydrochloride salt as an adjunct to levodopa in the treatment of parkinsonism. By preventing the conversion of levodopa to dopamine in the periphery, it causes an increase in the amount of levodopa reaching the central nervous system and so reduces the required dose. Benserazide has no antiparkinson actions when given alone. | 2.66 | 3 | 0 | carbohydrazide; catechols; primary alcohol; primary amino compound | antiparkinson drug; dopaminergic agent; EC 4.1.1.28 (aromatic-L-amino-acid decarboxylase) inhibitor |
benzamide benzamide : An aromatic amide that consists of benzene bearing a single carboxamido substituent. The parent of the class of benzamides. | 2.02 | 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. | 2.07 | 1 | 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. | 9.46 | 5 | 1 | benzoate ester; substituted aniline | allergen; antipruritic drug; sensitiser; topical anaesthetic |
benzothiazide benzothiazide: structure. benzthiazide : 7-Sulfamoyl-1,2,4-benzothiadiazine 1,1-dioxide in which the hydrogen at position 6 is substituted by chlorine and that at position 3 is substituted by a benzylsulfanylmethyl group. A diuretic, it is used to treat hypertension and edema. | 2.07 | 1 | 0 | benzothiadiazine; sulfonamide | antihypertensive agent; diuretic |
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. | 2.93 | 4 | 0 | pyrrolidines; tertiary amine | anti-arrhythmia drug; antihypertensive agent; calcium channel blocker; vasodilator agent |
beta-naphthoflavone beta-Naphthoflavone: A polyaromatic hydrocarbon inducer of P4501A1 and P4501A2 cytochromes. (Proc Soc Exp Biol Med 1994 Dec:207(3):302-308). beta-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. | 3.1 | 1 | 0 | extended flavonoid; naphtho-gamma-pyrone; organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
betahistine Betahistine: A histamine analog and H1 receptor agonist that serves as a vasodilator. It is used in MENIERE DISEASE and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers.. betahistine : An aminoalkylpyridine that is pyridine substituted by a 2-(methylamino)ethyl group at position 2. It acts as a histamine agonist and a vasodilator, and is thought to improve the microcirculation of the labyrinth, resulting in reduced endolymphatic pressure. It is used (generally as the hydrochloride or mesylate salt) to reduce the symptoms of vertigo, tinnitus, and hearing loss associated with Meniere's disease. | 2.66 | 3 | 0 | aminoalkylpyridine; secondary amino compound | H1-receptor agonist; vasodilator agent |
betaxolol [no description available] | 2.07 | 1 | 0 | propanolamine | antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
bethanechol Bethanechol: A slowly hydrolyzing muscarinic agonist with no nicotinic effects. Bethanechol is generally used to increase smooth muscle tone, as in the GI tract following abdominal surgery or in urinary retention in the absence of obstruction. It may cause hypotension, HEART RATE changes, and BRONCHIAL SPASM.. bethanechol : The carbamic acid ester of 2-methylcholine. A slowly hydrolysed muscarinic agonist with no nicotinic effects, it is used as its chloride salt to increase smooth muscle tone, as in the gastrointestinal tract following abdominal surgery, treatment of gastro-oesophageal reflux disease, and as an alternative to catheterisation in the treatment of non-obstructive urinary retention. | 2.68 | 3 | 0 | carbamate ester; quaternary ammonium ion | muscarinic agonist |
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. | 2.05 | 1 | 0 | biphenyls; imidazoles | |
biperiden Biperiden: A muscarinic antagonist that has effects in both the central and peripheral nervous systems. It has been used in the treatment of arteriosclerotic, idiopathic, and postencephalitic parkinsonism. It has also been used to alleviate extrapyramidal symptoms induced by phenothiazine derivatives and reserpine.. biperiden : A member of the class of piperidines that is N-propylpiperidine in which the methyl hydrogens have been replaced by hydroxy, phenyl, and 5-norbornen-2-yl groups. A muscarinic antagonist affecting both the central and peripheral nervous systems, it is used in the treatment of all forms of Parkinson's disease. | 2.4 | 2 | 0 | piperidines; tertiary alcohol; tertiary amino compound | antidote to sarin poisoning; antidyskinesia agent; antiparkinson drug; muscarinic antagonist; parasympatholytic |
bisacodyl Bisacodyl: A diphenylmethane stimulant laxative used for the treatment of CONSTIPATION and for bowel evacuation. (From Martindale, The Extra Pharmacopoeia, 30th ed, p871) | 2.07 | 1 | 0 | diarylmethane | |
bisindolylmaleimide i bisindolylmaleimide I: a bis(indolyl)maleimide | 1.99 | 1 | 0 | | |
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. | 2.07 | 1 | 0 | quaternary ammonium ion | adrenergic antagonist; anti-arrhythmia drug; antihypertensive agent |
bromazepam Bromazepam: One of the BENZODIAZEPINES that is used in the treatment of ANXIETY DISORDERS. | 1.96 | 1 | 0 | organic molecular entity | |
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). | 2.46 | 2 | 0 | organobromine compound; substituted aniline; tertiary amino compound | mucolytic |
bromopride bromopride: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | benzamides | |
bromperidol bromperidol: bromine-substituted for chlorine in haloperidol; RN given refers to unlabeled parent cpd; structure | 2.04 | 1 | 0 | aromatic ketone | |
seratrodast [no description available] | 2.7 | 3 | 0 | organic molecular entity | |
brotizolam brotizolam: structure | 2 | 1 | 0 | organic molecular entity | |
bumetanide [no description available] | 4.19 | 5 | 0 | amino acid; benzoic acids; sulfonamide | diuretic; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor |
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. | 1.96 | 1 | 0 | aromatic amide; piperidinecarboxamide; tertiary amino compound | |
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. | 3.12 | 5 | 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] | 2.48 | 2 | 0 | methanesulfonate ester | alkylating agent; antineoplastic agent; carcinogenic agent; insect sterilant; teratogenic agent |
butacaine butacaine: was MH 1965-92; BUTAPROBENZ & BUTOCAIN were see BUTACAINE 1978-92; use 4-AMINOBENZOIC ACID to search BUTACAINE 1966-92 | 2.4 | 2 | 0 | benzoate ester | |
butamben butamben: structure. butamben : An amino acid ester resulting from the formal condensation of the carboxy group of 4-aminobenzoic acid with the hydroxy group of butan-1-ol. Its local anaesthetic properties have been used for surface anaesthesia of the skin and mucous membranes, and for relief of pain and itching associated with some anorectal disorders. | 2.4 | 2 | 0 | amino acid ester; benzoate ester; primary amino compound; substituted aniline | local anaesthetic |
caffeine [no description available] | 8.87 | 12 | 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. | 5.77 | 28 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
carbamylcholine [no description available] | 2.07 | 1 | 0 | | |
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. | 4.82 | 10 | 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 |
carbamazepine epoxide carbamazepine epoxide: metabolite of carbamazepine; RN given refers to unlabeled cpd. carbamazepine-10,11-epoxide : An epoxide and metabolite of carbamazepine. | 1.99 | 1 | 0 | dibenzoazepine; epoxide; ureas | allergen; drug metabolite; marine xenobiotic metabolite |
carbetapentane carbetapentane: RN given refers to parent cpd | 2.04 | 1 | 0 | benzenes | |
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. | 2.7 | 3 | 0 | monochlorobenzenes; pyridines; tertiary amino compound | anti-allergic agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist |
carbofuran Carbofuran: A cholinesterase inhibitor that is used as a systemic insecticide, an acaricide, and nematocide. (From Merck Index, 11th ed) | 1.96 | 1 | 0 | 1-benzofurans; carbamate ester | acaricide; agrochemical; avicide; carbamate insecticide; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; nematicide |
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 |
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. | 2.48 | 2 | 0 | N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic agent |
carteolol Carteolol: A beta-adrenergic antagonist used as an anti-arrhythmia agent, an anti-angina agent, an antihypertensive agent, and an antiglaucoma agent. | 2.07 | 1 | 0 | quinolone; secondary alcohol | anti-arrhythmia drug; antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
carvedilol [no description available] | 2.02 | 1 | 0 | carbazoles; secondary alcohol; secondary amino compound | alpha-adrenergic antagonist; antihypertensive agent; beta-adrenergic antagonist; cardiovascular drug; vasodilator agent |
celecoxib [no description available] | 2.03 | 1 | 0 | organofluorine compound; pyrazoles; sulfonamide; toluenes | cyclooxygenase 2 inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
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. | 5.69 | 19 | 1 | ether; monocarboxylic acid; monochlorobenzenes; piperazines | anti-allergic agent; environmental contaminant; H1-receptor antagonist; xenobiotic |
chelerythrine chelerythrine : A benzophenanthridine alkaloid isolated from the root of Zanthoxylum simulans, Chelidonium majus L., and other Papaveraceae. | 2.01 | 1 | 0 | benzophenanthridine alkaloid; organic cation | antibacterial agent; antineoplastic agent; EC 2.7.11.13 (protein kinase C) inhibitor |
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. | 2.02 | 1 | 0 | aromatic amine; monocarboxylic acid; nitrogen mustard; organochlorine compound; tertiary amino compound | alkylating agent; antineoplastic agent; carcinogenic agent; drug allergen; immunosuppressive agent |
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. | 1.96 | 1 | 0 | benzodiazepine | |
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. | 4.9 | 8 | 1 | aminoquinoline; organochlorine compound; secondary amino compound; tertiary amino compound | anticoronaviral agent; antimalarial; antirheumatic drug; autophagy inhibitor; dermatologic drug |
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. | 2.07 | 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. | 7.97 | 66 | 1 | 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. | 10.56 | 23 | 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. | 2.48 | 2 | 0 | monochlorobenzenes; N-sulfonylurea | hypoglycemic agent; insulin secretagogue |
cifenline [no description available] | 2.02 | 1 | 0 | diarylmethane | |
cilostazol [no description available] | 2.07 | 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. | 11.83 | 399 | 6 | aliphatic sulfide; guanidines; imidazoles; nitrile | adjuvant; analgesic; anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
aricine [no description available] | 2.07 | 1 | 0 | cinchona alkaloid | |
ciprofibrate [no description available] | 3.1 | 1 | 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. | 2.95 | 4 | 0 | 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. | 2.46 | 2 | 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. | 2.73 | 3 | 0 | 2-benzofurans; cyclic ether; nitrile; organofluorine compound; tertiary amino compound | |
clebopride clebopride: antidopaminergic; RN given refers to parent cpd; structure | 2.04 | 1 | 0 | piperidines | |
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 | 1 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; GABA modulator |
clobenpropit clobenpropit: histamine H3 receptor antagonist. clobenpropit : An imidothiocarbamic ester that consists of isothiourea bearing S-3-(imidazol-4-yl)propyl and N-4-chlorobenzyl substituents. An extremely potent histamine H3 antagonist/inverse agonist (pA2 = 9.93). Also displays partial agonist activity at H4 receptors; induces eosinophil shape change with an EC50 of 3 nM. | 3.88 | 12 | 0 | imidazoles; imidothiocarbamic ester; organochlorine compound | H3-receptor antagonist; H4-receptor agonist |
clofibrate angiokapsul: contains clofibrate & insoitolnicotinate | 3.78 | 3 | 0 | aromatic ether; ethyl ester; monochlorobenzenes | anticholesteremic drug; antilipemic drug; geroprotector; PPARalpha agonist |
clofibric acid Clofibric Acid: An antilipemic agent that is the biologically active metabolite of CLOFIBRATE.. clofibric acid : A monocarboxylic acid that is isobutyric acid substituted at position 2 by a p-chlorophenoxy group. It is a metabolite of the drug clofibrate. | 3.1 | 1 | 0 | aromatic ether; monocarboxylic acid; monochlorobenzenes | anticholesteremic drug; antilipemic drug; antineoplastic agent; herbicide; marine xenobiotic metabolite; PPARalpha agonist |
clofilium clofilium: RN given refers to parent cpd; structure | 2.02 | 1 | 0 | benzenes; organic amino compound | |
clomiphene [no description available] | 2.46 | 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. | 3.09 | 5 | 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. | 5.27 | 17 | 0 | clonidine; imidazoline | |
4-chloro-N-(2,6-dimethyl-1-piperidinyl)-3-sulfamoylbenzamide [no description available] | 3.1 | 1 | 0 | sulfonamide | |
cloperastine cloperastine: RN given refers to parent cpd | 2.04 | 1 | 0 | diarylmethane | |
clotrimazole [no description available] | 2.48 | 2 | 0 | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic |
cloxyquin cloxyquin: has antitubercular activity; structure in first source | 2.07 | 1 | 0 | organochlorine compound; quinolines | |
4-cresol 4-cresol: RN given refers to parent cpd. p-cresol : A cresol that consists of toluene substituted by a hydroxy group at position 4. It is a metabolite of aromatic amino acid metabolism produced by intestinal microflora in humans and animals. | 3.51 | 2 | 0 | cresol | Escherichia coli metabolite; human metabolite; uremic toxin |
cromolyn cromoglycic acid : A dicarboxylic acid that is the bis-chromone derivative of glycerol. It is effective as a mast cell stabilizer. | 2.48 | 2 | 0 | chromones; dicarboxylic acid | anti-asthmatic drug; calcium channel blocker |
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. | 2.07 | 1 | 0 | carboxylic ester; secondary alcohol | vasodilator agent |
cyclobenzaprine cyclobenzaprine: RN given refers to parent cpd; Lisseril is synonymous for HCl; structure. cyclobenzaprine : 5-Methylidene-5H-dibenzo[a,d]cycloheptene in which one of the hydrogens of the methylidene group is substituted by a 2-(dimethylamino)ethyl group. A centrally acting skeletal muscle relaxant, it is used as its hydrochloride salt in the symptomatic treatment of painful muscle spasm. | 2.93 | 4 | 0 | carbotricyclic compound | antidepressant; muscle relaxant; tranquilizing drug |
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. | 1.96 | 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. | 5.81 | 30 | 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. | 3.1 | 1 | 0 | dihydroxyanthraquinone | apoptosis inducer; plant metabolite |
dantrolene Dantrolene: Skeletal muscle relaxant that acts by interfering with excitation-contraction coupling in the muscle fiber. It is used in spasticity and other neuromuscular abnormalities. Although the mechanism of action is probably not central, dantrolene is usually grouped with the central muscle relaxants.. dantrolene : The hydrazone resulting from the formal condensation of 5-(4-nitrophenyl)furfural with 1-aminohydantoin. A ryanodine receptor antagonist used for the relief of chronic severe spasticity and malignant hyperthermia. | 2.11 | 1 | 0 | hydrazone; imidazolidine-2,4-dione | muscle relaxant; neuroprotective agent; ryanodine receptor antagonist |
dapsone [no description available] | 3.83 | 3 | 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. | 2.07 | 1 | 0 | carboxamidine; isoquinolines | adrenergic agent; antihypertensive agent; human metabolite; sympatholytic agent |
decanoic acid decanoate : A fatty acid anion 10:0 that is the conjugate base of decanoic acid.. decanoic acid : A C10, straight-chain saturated fatty acid. | 3.1 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; anti-inflammatory agent; antibacterial agent; human metabolite; plant metabolite; volatile oil component |
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 | 1 | 0 | 4-pyridones | iron chelator; protective agent |
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. | 5.04 | 13 | 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. | 2.42 | 2 | 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. | 7.9 | 4 | 0 | primary amine | |
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. | 4.23 | 17 | 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. | 2.89 | 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 |
dibenzothiophene dibenzothiophene : A mancude organic heterotricyclic parent that consists of a thiophene ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2.07 | 1 | 0 | dibenzothiophenes; mancude organic heterotricyclic parent | keratolytic drug |
dibucaine Dibucaine: A local anesthetic of the amide type now generally used for surface anesthesia. It is one of the most potent and toxic of the long-acting local anesthetics and its parenteral use is restricted to spinal anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1006). cinchocaine : A monocarboxylic acid amide that is the 2-(diethylamino)ethyl amide of 2-butoxyquinoline-4-carboxylic acid. One of the most potent and toxic of the long-acting local anesthetics, its parenteral use was restricted to spinal anesthesia. It is now generally only used (usually as the hydrochloride) in creams and ointments and in suppositories for temporary relief of pain and itching associated with skin and anorectal conditions. | 3.09 | 5 | 0 | aromatic ether; monocarboxylic acid amide; tertiary amino compound | topical anaesthetic |
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. | 8.62 | 9 | 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 | 1.96 | 1 | 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. | 2.07 | 1 | 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. | 2.7 | 3 | 0 | carboxylic ester; tertiary amine | antispasmodic drug; muscarinic antagonist; parasympatholytic |
diethylcarbamazine Diethylcarbamazine: An anthelmintic used primarily as the citrate in the treatment of filariasis, particularly infestations with Wucheria bancrofti or Loa loa. | 2.87 | 4 | 0 | N-carbamoylpiperazine; N-methylpiperazine | |
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. | 1.96 | 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. | 3.51 | 2 | 0 | monohydroxybenzoic acid; organofluorine compound | non-narcotic analgesic; non-steroidal anti-inflammatory drug |
dilazep Dilazep: Coronary vasodilator with some antiarrhythmic activity.. dilazep : A member of the class of diazepanes that is 1,4-diazepane substituted by 3-[(3,4,5-trimethoxybenzoyl)oxy]propyl groups at positions 1 and 4. It is a potent adenosine uptake inhibitor that exhibits antiplatelet, antianginal and vasodilator properties. | 2.67 | 3 | 0 | benzoate ester; diazepane; diester; methoxybenzenes | cardioprotective agent; platelet aggregation inhibitor; vasodilator agent |
dilacor xr 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate : A lactam that is 2,3-dihydro-1,5-benzothiazepin-4(5H)-one in which positions 2 and 3 are substituted by 4-methoxyphenyl and acetoxy, respectively, while the hydrogen attached to the nitrogen is substituted by a 2-(dimethylamino)ethyl group. | 2.07 | 1 | 0 | acetate ester; aromatic ether; benzothiazepine; lactam; tertiary amino compound | |
dimaprit Dimaprit: A histamine H2 receptor agonist that is often used to study the activity of histamine and its receptors. | 6.4 | 55 | 0 | imidothiocarbamic ester | |
dimethadione Dimethadione: An anticonvulsant that is the active metabolite of TRIMETHADIONE. | 2.07 | 1 | 0 | oxazolidinone | |
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. | 12.14 | 69 | 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 |
diphenylpyraline diphenylpyraline: RN given refers to parent cpd; structure. allergen : A chemical compound, or part thereof, which causes the onset of an allergic reaction by interacting with any of the molecular pathways involved in an allergy.. diphenylpyraline : A member of the class of piperidines that is the benzhydryl ether derivative of 1-methyl-4-hydroxypiperidine. A sedating antihistamine, it is used as the hydrochloride for the symptomatic relief of allergic conditions including rhinitis and hay fever, and in pruritic skin disorders. It is also used as the teoclate salt (piprinhydrinate) as an ingredient in compound preparations for the symptomatic relief of coughs and the common cold. | 2.46 | 2 | 0 | piperidines; tertiary amine | cholinergic antagonist; H1-receptor antagonist |
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. | 2.37 | 2 | 0 | piperidines; pyrimidopyrimidine; tertiary amino compound; tetrol | adenosine phosphodiesterase inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
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. | 2.42 | 2 | 0 | monocarboxylic acid amide; pyridines; tertiary amino compound | anti-arrhythmia drug |
disulfiram [no description available] | 2.48 | 2 | 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. | 4.37 | 6 | 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 |
thiorphan Thiorphan: A potent inhibitor of membrane metalloendopeptidase (ENKEPHALINASE). Thiorphan potentiates morphine-induced ANALGESIA and attenuates naloxone-precipitated withdrawal symptoms. | 2.67 | 3 | 0 | N-acyl-amino acid | |
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. | 3.09 | 5 | 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. | 3.32 | 6 | 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. | 11.73 | 18 | 1 | 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. | 4 | 4 | 0 | pyridines; tertiary amine | anti-allergic agent; antiemetic; antitussive; cholinergic antagonist; H1-receptor antagonist; histamine antagonist; sedative |
cycloadiphenine cycloadiphenine: RN given refers to parent cpd | 2.04 | 1 | 0 | benzenes | |
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. | 2.4 | 2 | 0 | aromatic ketone; benzimidazoles; organofluorine compound | anaesthesia adjuvant; antiemetic; dopaminergic antagonist; first generation antipsychotic |
dyclonine [no description available] | 2.07 | 1 | 0 | aromatic ketone; piperidines | topical anaesthetic |
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. | 2.07 | 1 | 0 | oxopurine; propane-1,2-diols | bronchodilator agent; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; muscle relaxant; vasodilator agent |
e 4031 E 4031: class III anti-arrhythmia agent; structure given in UD | 2.02 | 1 | 0 | sulfonamide | |
ebastine [no description available] | 3.11 | 5 | 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. | 2.07 | 1 | 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. | 2.07 | 1 | 0 | dichlorobenzene; ether; imidazoles; monochlorobenzenes | |
emedastine emedastine: structure given in first source. emedastine : 1-Methyl-1,4-diazepane in which the hydrogen attached to the nitrogen at position 4 is substituted by a 1-(2-ethoxyethyl)-1H-benzimidazol-2-yl group. A relatively selective histamine H1 antagonist, it is used as the difumatate salt for allergic rhinitis, urticaria, and pruritic skin disorders, and in eyedrops for the symptomatic relief of allergic conjuntivitis. | 2.68 | 3 | 0 | benzimidazoles | anti-allergic agent; antipruritic drug; H1-receptor antagonist |
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. | 3.1 | 1 | 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. | 1.99 | 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. | 2 | 1 | 0 | 1,8-naphthyridine derivative; amino acid; fluoroquinolone antibiotic; monocarboxylic acid; N-arylpiperazine; quinolone antibiotic | antibacterial drug; DNA synthesis inhibitor |
epinastine epinastine: RN given refers parent cpd. epinastine : A benzazepine that is 6,11-dihydro-5H-dibenzo[b,e]azepine in which the azepine ring is fused to the e side of 4,5-dihydro-1H-imidazol-2-amine. | 2.7 | 3 | 0 | benzazepine; guanidines | anti-allergic agent; H1-receptor antagonist; histamine antagonist; ophthalmology drug |
erythrosine Fluoresceins: A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays. | 1.96 | 1 | 0 | | |
etazolate Etazolate: A potent phosphodiesterase inhibitor proposed as an antipsychotic agent.. etazolate : A pyrazolopyridine that is 1H-pyrazolo[3,4-b]pyridine which is substituted at positions 1, 4, and 5 by ethyl, 2-isopropylidenehydrazino, and ethoxycarbonyl groups, respectively. A phosphodiesterase IV inhibitor with antidepressant and anxiolytic properties. | 1.96 | 1 | 0 | ethyl ester; hydrazone; pyrazolopyridine | alpha-secretase activator; antidepressant; antipsychotic agent; anxiolytic drug; GABA agent; neuroprotective agent; phosphodiesterase IV inhibitor |
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. | 3.51 | 2 | 0 | aromatic ether; aromatic ketone; dichlorobenzene; monocarboxylic acid | EC 2.5.1.18 (glutathione transferase) inhibitor; ion transport inhibitor; loop diuretic |
ether Ether: A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes.. ether : An organooxygen compound with formula ROR, where R is not hydrogen.. diethyl ether : An ether in which the oxygen atom is linked to two ethyl groups. | 3.07 | 5 | 0 | ether; volatile organic compound | inhalation anaesthetic; non-polar solvent; refrigerant |
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. | 2.07 | 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. | 2.07 | 1 | 0 | dicarboximide; pyrrolidinone | anticonvulsant; geroprotector; T-type calcium channel blocker |
ethotoin ethotoin: was heading 1966-94 (see under HYDANTOINS 1966-90); use HYDANTOINS to search ETHOTOIN 1966-94. ethotoin : An imidazolidine-2,4-dione that is hydantoin substituted by ethyl and phenyl at positions 3 and 5, respectively. An antiepileptic, it is less toxic than phenytoin but also less effective. | 2.07 | 1 | 0 | imidazolidine-2,4-dione | anticonvulsant |
etidronate Etidronic Acid: A diphosphonate which affects calcium metabolism. It inhibits ectopic calcification and slows down bone resorption and bone turnover.. etidronic acid : A 1,1-bis(phosphonic acid) that is (ethane-1,1-diyl)bis(phosphonic acid) having a hydroxy substituent at the 1-position. It inhibits the formation, growth, and dissolution of hydroxyapatite crystals by chemisorption to calcium phosphate surfaces. | 2.48 | 2 | 0 | 1,1-bis(phosphonic acid) | antineoplastic agent; bone density conservation agent; chelator |
famotidine Famotidine: A competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion. | 4.18 | 17 | 0 | 1,3-thiazoles; guanidines; sulfonamide | anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
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. | 2.77 | 3 | 0 | carbamate ester | anticonvulsant; neuroprotective agent |
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. | 1.96 | 1 | 0 | dichlorobenzene; dihydropyridine; ethyl ester; methyl ester | anti-arrhythmia drug; antihypertensive agent; calcium channel blocker; vasodilator agent |
fendiline Fendiline: Coronary vasodilator; inhibits calcium function in muscle cells in excitation-contraction coupling; proposed as antiarrhythmic and antianginal agents. | 2.04 | 1 | 0 | diarylmethane | |
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. | 2.64 | 3 | 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 | 2.07 | 1 | 0 | aromatic ether; chlorobenzophenone; isopropyl ester; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic |
fenoldopam Fenoldopam: A dopamine D1 receptor agonist that is used as an antihypertensive agent. It lowers blood pressure through arteriolar vasodilation. | 2.07 | 1 | 0 | benzazepine | alpha-adrenergic agonist; antihypertensive agent; dopamine agonist; dopaminergic antagonist; vasodilator agent |
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. | 3.1 | 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. | 3.53 | 2 | 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. | 2.92 | 4 | 0 | anilide; monocarboxylic acid amide; piperidines | adjuvant; anaesthesia adjuvant; anaesthetic; intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic |
fexofenadine fexofenadine: a second generation antihistamine; metabolite of the antihistaminic drug terfenadine; structure in first source; RN refers to HCl. fexofenadine : A piperidine-based anti-histamine compound. | 2.99 | 4 | 0 | piperidines; tertiary amine | anti-allergic agent; H1-receptor antagonist |
fipexide fipexide: regulates dopaminergic systems at macromolecular level | 2.04 | 1 | 0 | benzodioxoles | |
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). | 2.07 | 1 | 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 | 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. | 2.73 | 3 | 0 | conazole antifungal drug; difluorobenzene; tertiary alcohol; triazole antifungal drug | environmental contaminant; P450 inhibitor; xenobiotic |
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. | 1.96 | 1 | 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] | 4.02 | 4 | 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. | 2.7 | 3 | 0 | ethyl ester; imidazobenzodiazepine; organofluorine compound | antidote to benzodiazepine poisoning; GABA antagonist |
flumequine flumequine: structure. flumequine : A racemate comprising equimolar amounts of R- and S-flumequine. A broad-spectrum antibiotic, formerly used in veterinary medicine for stock breeding and treatment of aquacultures.. 9-fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid : A member of the class of pyridoquinolines that is 1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline carrying additional carboxy, methyl and fluoro substituents at positions 2, 5 and 9 respectively. | 2.02 | 1 | 0 | 3-oxo monocarboxylic acid; organofluorine compound; pyridoquinoline; quinolone antibiotic | |
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. | 1.95 | 1 | 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. | 3.1 | 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. | 2.07 | 1 | 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. | 4.73 | 9 | 0 | (trifluoromethyl)benzenes; aromatic ether; secondary amino compound | |
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. | 3.11 | 5 | 0 | fluorobiphenyl; monocarboxylic acid | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
fluspirilene Fluspirilene: A long-acting injectable antipsychotic agent used for chronic schizophrenia. | 2.69 | 3 | 0 | diarylmethane | |
flutamide Flutamide: An antiandrogen with about the same potency as cyproterone in rodent and canine species. | 2.74 | 3 | 0 | (trifluoromethyl)benzenes; monocarboxylic acid amide | androgen antagonist; antineoplastic agent |
furegrelate furegrelate: structure given in UD 35:175:d | 1.97 | 1 | 0 | benzofurans | |
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. | 4.71 | 9 | 0 | chlorobenzoic acid; furans; sulfonamide | environmental contaminant; loop diuretic; xenobiotic |
gabapentin Gabapentin: A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME.. gabapentin : A gamma-amino acid that is cyclohexane substituted at position 1 by aminomethyl and carboxymethyl groups. Used for treatment of neuropathic pain and restless legs syndrome. | 2.54 | 2 | 0 | gamma-amino acid | anticonvulsant; calcium channel blocker; environmental contaminant; xenobiotic |
vanoxerine vanoxerine: structure given in first source. vanoxerine : An N-alkylpiperazine that consists of piperazine bearing 2-bis(4-fluorophenyl)methoxy]ethyl and 3-phenylpropyl groups at positions 1 and 4 respectively. Potent, competitive inhibitor of dopamine uptake (Ki = 1 nM for inhibition of striatal dopamine uptake). Has > 100-fold lower affinity for the noradrenalin and 5-HT uptake carriers. Also a potent sigma ligand (IC50 = 48 nM). Centrally active following systemic administration. | 2.45 | 2 | 0 | ether; N-alkylpiperazine; organofluorine compound; tertiary amino compound | dopamine uptake inhibitor |
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. | 2.48 | 2 | 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. | 2.07 | 1 | 0 | N-sulfonylurea | hypoglycemic agent; insulin secretagogue; radical scavenger |
glimepiride glimepiride: structure given in first source | 2.07 | 1 | 0 | sulfonamide | |
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. | 2.97 | 4 | 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 |
guaifenesin Guaifenesin: An expectorant that also has some muscle relaxing action. It is used in many cough preparations. | 8.38 | 7 | 0 | methoxybenzenes | |
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. | 4.94 | 12 | 0 | azocanes; guanidines | adrenergic antagonist; antihypertensive agent; sympatholytic agent |
guanfacine Guanfacine: A centrally acting antihypertensive agent with specificity towards ADRENERGIC ALPHA-2 RECEPTORS. | 1.96 | 1 | 0 | acetamides | |
guanidine Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 2.69 | 3 | 0 | carboxamidine; guanidines; one-carbon compound | |
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. | 2.9 | 4 | 0 | isoquinolines; N-sulfonylpiperazine | EC 2.7.11.13 (protein kinase C) inhibitor |
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. | 4.68 | 28 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
halothane [no description available] | 3.08 | 5 | 0 | haloalkane; organobromine compound; organochlorine compound; organofluorine compound | inhalation anaesthetic |
hexamethonium Hexamethonium: A nicotinic cholinergic antagonist often referred to as the prototypical ganglionic blocker. It is poorly absorbed from the gastrointestinal tract and does not cross the blood-brain barrier. It has been used for a variety of therapeutic purposes including hypertension but, like the other ganglionic blockers, it has been replaced by more specific drugs for most purposes, although it is widely used a research tool. | 3.68 | 10 | 0 | quaternary ammonium salt | |
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. | 2.69 | 3 | 0 | barbiturates | |
hexoprenaline Hexoprenaline: Stimulant of adrenergic beta 2 receptors. It is used as a bronchodilator, antiasthmatic agent, and tocolytic agent. | 2.07 | 1 | 0 | | |
tele-methylhistamine tele-methylhistamine: histamine methyltransferase antagonist. N(tele)-methylhistamine : A primary amino compound that is the N(tele)-methyl derivative of histamine. | 4.18 | 5 | 0 | imidazoles; primary amino compound | human metabolite; mouse metabolite |
alpha-methylhistamine alpha-methylhistamine: a histamine H3 receptor agonist; RN given refers to parent cpd without isomeric designation. alpha-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the alpha-position. | 4.74 | 30 | 0 | aralkylamino compound; imidazoles | animal metabolite; H3-receptor agonist |
hexamethylene bisacetamide N,N'-diacetyl-1,6-diaminohexane: chemical name obtained from Acta Biol Hung 1990;41(1-3):199-208 | 2.07 | 1 | 0 | acetamides | |
hycanthone Hycanthone: Potentially toxic, but effective antischistosomal agent, it is a metabolite of LUCANTHONE.. hycanthone : A thioxanthen-9-one compound having a hydroxymethyl substituent at the 1-position and a 2-[(diethylamino)ethyl]amino substituent at the 4-position. It was formerly used (particularly as the monomethanesulfonic acid salt) as a schistosomicide for individual or mass treatement of infection with Schistosoma haematobium and S. mansoni, but due to its toxicity and concern about possible carcinogenicity, it has been replaced by other drugs such as praziquantel. | 2.48 | 2 | 0 | thioxanthenes | mutagen; schistosomicide drug |
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. | 2.48 | 2 | 0 | azaarene; hydrazines; ortho-fused heteroarene; phthalazines | antihypertensive agent; vasodilator agent |
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. | 2.07 | 1 | 0 | benzothiadiazine; thiazide | antihypertensive agent; diuretic |
hydroxyurea [no description available] | 3.69 | 10 | 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. | 3.94 | 13 | 0 | hydroxyether; monochlorobenzenes; N-alkylpiperazine | anticoronaviral agent; antipruritic drug; anxiolytic drug; dermatologic drug; H1-receptor antagonist |
ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 4.5 | 7 | 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. | 2.48 | 2 | 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. | 5.15 | 18 | 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. | 2.04 | 1 | 0 | tertiary amine | antispasmodic drug |
ici 118551 [no description available] | 3.42 | 7 | 0 | indanes | |
imetit imetit: structure given in first source. imetit : An imidothiocarbamic ester that consists of isothiourea in which the thiol hydrogen is substituted by a 2-(imidazol-4-yl)ethyl group. An extremely potent, high affinity agonist at H3 and H4 receptors (Ki values are 0.3 and 2.7 nM respectively). Induces shape change in eosinophils with an EC50 of 25 nM. Centrally active following systemic administration. | 2.71 | 3 | 0 | imidazoles; imidothiocarbamic ester | H3-receptor agonist; H4-receptor agonist |
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. | 5.8 | 29 | 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. | 2.07 | 1 | 0 | bipyridines | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
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. | 2.07 | 1 | 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. | 10.88 | 168 | 2 | 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 |
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. | 2.07 | 1 | 0 | monohydroxyquinoline; organoiodine compound | antiamoebic agent; antibacterial agent; antiprotozoal drug; antiseptic drug |
ioxaglate Ioxaglic Acid: A low-osmolar, ionic contrast medium used in various radiographic procedures.. ioxaglic acid : A benzenedicarboxamide compound having N-substituted carbamoyl groups at the 1- and 3-positions, iodo substituents at the 2-, 4- and 6-positions and an acetyl(methyl)amino group at the 5-position. | 2 | 1 | 0 | benzenedicarboxamide; benzoic acids; organoiodine compound | radioopaque medium |
iproniazid [no description available] | 2.48 | 2 | 0 | carbohydrazide; pyridines | |
1-methyl-3-isobutylxanthine 1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES. 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively. | 3.57 | 9 | 0 | 3-isobutyl-1-methylxanthine | |
isoetharine Isoetharine: Adrenergic beta-2 agonist used as bronchodilator for emphysema, bronchitis and asthma. | 2.07 | 1 | 0 | catecholamine | |
isoflurane Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 1.99 | 1 | 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). | 3.8 | 3 | 0 | carbohydrazide | antitubercular agent; drug allergen |
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. | 2.9 | 4 | 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. | 4.7 | 30 | 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. | 2.07 | 1 | 0 | alkylbenzene | |
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. | 2.46 | 2 | 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. | 9.67 | 28 | 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. | 2.74 | 3 | 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. | 4.02 | 4 | 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 |
ketorolac Ketorolac: A pyrrolizine carboxylic acid derivative structurally related to INDOMETHACIN. It is an NSAID and is used principally for its analgesic activity. (From Martindale The Extra Pharmacopoeia, 31st ed). ketorolac : A racemate comprising equimolar amounts of (R)-(+)- and (S)-(-)-5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid. While only the (S)-(-) enantiomer is a COX1 and COX2 inhibitor, the (R)-(+) enantiomer exhibits potent analgesic activity. A non-steroidal anti-inflammatory drug, ketorolac is mainly used (generally as the tromethamine salt) for its potent analgesic properties in the short-term management of post-operative pain, and in eye drops to relieve the ocular itching associated with seasonal allergic conjunctivitis. It was withdrawn from the market in many countries in 1993 following association with haemorrhage and renal failure.. 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid : A member of the class of pyrrolizines that is 2,3-dihydro-1H-pyrrolizine which is substituted at positions 1 and 5 by carboxy and benzoyl groups, respectively. | 2.05 | 1 | 0 | amino acid; aromatic ketone; monocarboxylic acid; pyrrolizines; racemate | analgesic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
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. | 5.69 | 26 | 0 | cyclic ketone; olefinic compound; organic heterotricyclic compound; organosulfur heterocyclic compound; piperidines; tertiary amino compound | anti-asthmatic drug; H1-receptor antagonist |
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. | 4.05 | 4 | 0 | benzamides; benzenes; phenols; primary carboxamide; salicylamides; secondary alcohol; secondary amino compound | |
lamotrigine [no description available] | 4.25 | 5 | 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 |
lauric acid dodecanoic acid : A straight-chain, twelve-carbon medium-chain saturated fatty acid with strong bactericidal properties; the main fatty acid in coconut oil and palm kernel oil. | 3.1 | 1 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; antibacterial 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. | 2.07 | 1 | 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] | 2.07 | 1 | 0 | nitrile; triazoles | antineoplastic agent; EC 1.14.14.14 (aromatase) inhibitor |
linopirdine linopirdine: acetylcholine releasing drug | 2.44 | 2 | 0 | indoles | |
lofepramine Lofepramine: A psychotropic IMIPRAMINE derivative that acts as a tricyclic antidepressant and possesses few anticholinergic properties. It is metabolized to DESIPRAMINE. | 2.04 | 1 | 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. | 2.4 | 2 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antimicrobial agent; antitubercular agent; photosensitizing 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. | 2.68 | 3 | 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. | 3.79 | 11 | 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. | 3.48 | 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 | 3.83 | 3 | 0 | biphenylyltetrazole; imidazoles | angiotensin receptor antagonist; anti-arrhythmia drug; antihypertensive agent; endothelin receptor antagonist |
loxapine Loxapine: An antipsychotic agent used in SCHIZOPHRENIA. | 3.81 | 3 | 0 | dibenzooxazepine | antipsychotic agent; dopaminergic antagonist |
ly 171883 LY 171883: structure in first source; leukotriene receptor antagonist. tomelukast : A member of the class of acetophenones that is 1-phenylethanone substituted at position 2 by a hydroxy group, a propyl group at position 3 and a 4-(1H-tetrazol-5-yl)butoxy group at position 4. A leukotriene antagonist, it exhibits anti-asthmatic activity. | 2.7 | 3 | 0 | acetophenones; aromatic ether; phenols; tetrazoles | anti-asthmatic drug; leukotriene antagonist |
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. | 1.99 | 1 | 0 | diester; ethyl ester; organic thiophosphate | |
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. | 3.12 | 5 | 0 | anthracenes | |
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. | 2.05 | 1 | 0 | aromatic ketone; benzimidazoles; carbamate ester | antinematodal drug; microtubule-destabilising agent; tubulin modulator |
mebeverine mebeverine: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | methoxybenzoic acid | |
mecamylamine Mecamylamine: A nicotinic antagonist that is well absorbed from the gastrointestinal tract and crosses the blood-brain barrier. Mecamylamine has been used as a ganglionic blocker in treating hypertension, but, like most ganglionic blockers, is more often used now as a research tool. | 2.46 | 2 | 0 | primary aliphatic amine | |
meclizine Meclizine: A histamine H1 antagonist used in the treatment of motion sickness, vertigo, and nausea during pregnancy and radiation sickness. | 3.07 | 5 | 0 | diarylmethane | |
meclofenamic acid Meclofenamic Acid: A non-steroidal anti-inflammatory agent with antipyretic and antigranulation activities. It also inhibits prostaglandin biosynthesis.. meclofenamic acid : An aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,6-dichloro-3-methylphenyl group. A non-steroidal anti-inflammatory drug, it is used as the sodium salt for the treatment of dysmenorrhoea (painful periods), osteoarthritis and rheumatoid arthritis. | 3.36 | 7 | 0 | aminobenzoic acid; organochlorine compound; secondary amino compound | analgesic; anticonvulsant; antineoplastic agent; antipyretic; antirheumatic drug; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug |
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. | 2.07 | 1 | 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. | 2.41 | 2 | 0 | organofluorine compound; piperidines; quinolines; secondary alcohol | |
memantine [no description available] | 3 | 4 | 0 | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist |
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. | 3.53 | 2 | 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. | 2.07 | 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. | 2.07 | 1 | 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. | 2.4 | 2 | 0 | piperidinecarboxamide | drug allergen; local anaesthetic |
benzoic acid [2-methyl-2-(propylamino)propyl] ester [no description available] | 2.4 | 2 | 0 | benzoate ester | |
mequitazine mequitazine: RN given refers to parent cpd without isomeric designation; structure | 2.88 | 4 | 0 | phenothiazines | |
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. | 3.79 | 3 | 0 | amino acid; aromatic amine; monocarboxylic acid; monohydroxybenzoic acid; phenols | non-steroidal anti-inflammatory drug |
mescaline Mescaline: Hallucinogenic alkaloid isolated from the flowering heads (peyote) of Lophophora (formerly Anhalonium) williamsii, a Mexican cactus used in Indian religious rites and as an experimental psychotomimetic. Among its cellular effects are agonist actions at some types of serotonin receptors. It has no accepted therapeutic uses although it is legal for religious use by members of the Native American Church.. mescaline : A phenethylamine alkaloid that is phenethylamine substituted at positions 3, 4 and 5 by methoxy groups. | 1.96 | 1 | 0 | methoxybenzenes; phenethylamine alkaloid; primary amino compound | hallucinogen |
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. | 2.05 | 1 | 0 | phenothiazines; sulfoxide; tertiary amino compound | dopaminergic antagonist; first generation antipsychotic |
metaproterenol Metaproterenol: A beta-2 adrenergic agonist used in the treatment of ASTHMA and BRONCHIAL SPASM.. orciprenaline : A racemate composed of equimolar amounts of (R)- and (S)-orciprenaline. Used (as its sulfate salt) to relax the airway muscles and improve breathing for patients suffering from asthma or bronchitis.. 5-[1-hydroxy-2-(isopropanylamino)ethyl]benzene-1,3-diol : A member of the class of resorcinols bearing an additional 1-hydroxy-2-(isopropanylamino)ethyl substituent at position 5 of resorcinol itself. | 2.07 | 1 | 0 | aralkylamino compound; phenylethanolamines; resorcinols; secondary alcohol; secondary amino compound | |
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. | 2.07 | 1 | 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. | 1.96 | 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. | 4.94 | 12 | 0 | ethylenediamine derivative | anti-allergic agent; carcinogenic agent; H1-receptor antagonist; sedative |
metharbital metharbital: was heading 1976-94 (see under BARBITURATES 1976-90); ENDIEMAL, METHARBITONE, & METHOBARBITONE were see METHARBITAL 1976-94; use BARBITURATES to search METHARBITAL 1976-94; long-acting barbiturate that is demethylated to barbital in the liver; has broad-spectrum anticonvulsant action, but used mainly to treat myoclonic spasms in infants | 1.96 | 1 | 0 | organic molecular entity | |
methiothepin Methiothepin: A serotonin receptor antagonist in the CENTRAL NERVOUS SYSTEM used as an antipsychotic.. methiothepin : A dibenzothiepine that is 10,11-dihydrodibenzo[b,f]thiepine bearing additional methylthio and 4-methylpiperazin-1-yl substituents at positions 8 and 10 respectively. Potent 5-HT2 antagonist, also active as 5-HT1 antagonist. Differentiates 5-HT1D sub-types. Also displays affinity for rodent 5-HT5B, 5-HT5A, 5-HT7 and 5-HT6 receptors (pK1 values are 6.6, 7.0, 8.4 and 8.7 respectively). | 3.41 | 7 | 0 | aryl sulfide; dibenzothiepine; N-alkylpiperazine; tertiary amino compound | antipsychotic agent; dopaminergic antagonist; geroprotector; serotonergic antagonist |
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. | 2.48 | 2 | 0 | aromatic ether; carbamate ester; secondary alcohol | |
methoctramine [no description available] | 2.97 | 4 | 0 | aromatic ether; tetramine | muscarinic antagonist |
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. | 2.05 | 1 | 0 | beta-amino acid ester; methyl ester; piperidines | |
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. | 2.4 | 2 | 0 | benzamides; monochlorobenzenes; substituted aniline; tertiary amino compound | antiemetic; dopaminergic antagonist; environmental contaminant; gastrointestinal drug; xenobiotic |
metolazone Metolazone: A quinazoline-sulfonamide derived DIURETIC that functions by inhibiting SODIUM CHLORIDE SYMPORTERS.. metolazone : A quinazoline that consists of 1,2,3,4-tetrahydroquinazolin-4-one bearing additional methyl, 2-tolyl, sulfamyl and chloro substituents at positions 2, 3, 6 and 7 respectively. A quinazoline diuretic, with properties similar to thiazide diuretics. | 2.02 | 1 | 0 | organochlorine compound; quinazolines; sulfonamide | antihypertensive agent; diuretic; ion transport inhibitor |
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. | 3.25 | 6 | 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. | 1.96 | 1 | 0 | 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. | 2.69 | 3 | 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. | 3.82 | 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. | 3.77 | 11 | 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. | 2.45 | 2 | 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. | 2.4 | 2 | 0 | imidazobenzodiazepine; monofluorobenzenes; organochlorine compound | anticonvulsant; antineoplastic agent; anxiolytic drug; apoptosis inducer; central nervous system depressant; GABAA receptor agonist; general anaesthetic; muscle relaxant; sedative |
midodrine Midodrine: An ethanolamine derivative that is an adrenergic alpha-1 agonist. It is used as a vasoconstrictor agent in the treatment of HYPOTENSION.. midodrine : An aromatic ether that is 1,4-dimethoxybenzene which is substituted at position 2 by a 2-(glycylamino)-1-hydroxyethyl group. A direct-acting sympathomimetic with selective alpha-adrenergic agonist activity, it is used (generally as its hydrochloride salt) as a peripheral vasoconstrictor in the treatment of certain hypotensive states. The main active moiety is its major metabolite, deglymidodrine. | 2.07 | 1 | 0 | amino acid amide; aromatic ether; secondary alcohol | alpha-adrenergic agonist; prodrug; sympathomimetic agent; vasoconstrictor agent |
milrinone [no description available] | 2.04 | 1 | 0 | bipyridines; nitrile; pyridone | cardiotonic drug; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
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. | 2.48 | 2 | 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. | 2.73 | 3 | 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. | 2.07 | 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. | 3.1 | 1 | 0 | dihydroxyanthraquinone | analgesic; antineoplastic agent |
ml 9 [no description available] | 2.04 | 1 | 0 | naphthalenes; sulfonic acid derivative | |
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. | 2.07 | 1 | 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) | 1.95 | 1 | 0 | monoterpenoid | |
muscimol Muscimol: A neurotoxic isoxazole isolated from species of AMANITA. It is obtained by decarboxylation of IBOTENIC ACID. Muscimol is a potent agonist of GABA-A RECEPTORS and is used mainly as an experimental tool in animal and tissue studies.. muscimol : A member of the class of isoxazoles that is 1,2-oxazol-3(2H)-one substituted by an aminomethyl group at position 5. It has been isolated from mushrooms of the genus Amanita. | 2.9 | 4 | 0 | alkaloid; isoxazoles; primary amino compound | fungal metabolite; GABA agonist; oneirogen; psychotropic drug |
1-(3-trifluoromethylphenyl)piperazine 1-(3-trifluoromethylphenyl)piperazine: acts as serotonin agonist; structure. 1-(3-(trifluoromethyl)phenyl)piperazine : A N-arylpiperazine that is piperazine substituted by a 3-(trifluoromethyl)phenyl group at position 1. A serotonergic agonist used as a recreational drug. | 1.97 | 1 | 0 | (trifluoromethyl)benzenes; N-arylpiperazine | environmental contaminant; psychotropic drug; serotonergic agonist; xenobiotic |
n-(4-aminobutyl)-5-chloro-2-naphthalenesulfonamide N-(4-aminobutyl)-5-chloro-2-naphthalenesulfonamide: calmodulin antagonist; structure given in first source. N-(4-aminobutyl)-5-chloronaphthalene-2-sulfonamide : A sulfonamide that is 5-chloronaphthalene-2-sulfonamide in which one of the hydrogens of the nitrogen atom is substituted by a 4-aminobutyl group. | 2.01 | 1 | 0 | naphthalenes; organochlorine compound; primary amino compound; sulfonamide | |
n-(6-aminohexyl)-1-naphthalenesulfonamide N-(6-aminohexyl)-1-naphthalenesulfonamide: calmodulin antagonist; RN given refers to parent cpd | 1.97 | 1 | 0 | naphthalenes; sulfonic acid derivative | |
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. | 2.44 | 2 | 0 | acetamides; benzamides | anti-arrhythmia drug |
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 3.07 | 5 | 0 | maleimides | anticoronaviral agent; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor; EC 2.7.1.1 (hexokinase) inhibitor |
n-methylephedrine N-methylephedrine: RN given refers to parent cpd | 1.99 | 1 | 0 | amphetamines | |
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. | 2.45 | 2 | 0 | aromatic ether; dichlorobenzene; terminal acetylenic compound; tertiary amino compound | antidepressant; EC 1.4.3.4 (monoamine oxidase) inhibitor |
nadolol [no description available] | 2.07 | 1 | 0 | tetralins | |
nafronyl Nafronyl: A drug used in the management of peripheral and cerebral vascular disorders. It is claimed to enhance cellular oxidative capacity and to be a spasmolytic. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1310) It may also be an antagonist at 5HT-2 serotonin receptors. | 2.07 | 1 | 0 | naphthalenes | |
naftopidil [no description available] | 2.07 | 1 | 0 | piperazines | |
naphazoline Naphazoline: An adrenergic vasoconstrictor agent used as a decongestant. | 2.69 | 3 | 0 | naphthalenes | |
nefazodone nefazodone: may be useful as an opiate adjunct | 2.48 | 2 | 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. | 2.44 | 2 | 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. | 2.41 | 2 | 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. | 2.48 | 2 | 0 | cyclopropanes; dipyridodiazepine | antiviral drug; HIV-1 reverse transcriptase inhibitor |
nialamide Nialamide: An MAO inhibitor that is used as an antidepressive agent. | 1.95 | 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. | 2.71 | 3 | 0 | benzenes; C-nitro compound; diester; dihydropyridine; methyl ester; tertiary amino compound | |
nifedipine Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 4.01 | 14 | 0 | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
nifekalant [no description available] | 2.02 | 1 | 0 | amine | |
nilutamide [no description available] | 2.07 | 1 | 0 | (trifluoromethyl)benzenes; C-nitro compound; imidazolidinone | androgen antagonist; antineoplastic agent |
nilvadipine [no description available] | 2.07 | 1 | 0 | dihydropyridine; isopropyl ester; methyl ester; nitrile | |
nimesulide nimesulide: structure. nimesulide : An aromatic ether having phenyl and 2-methylsulfonamido-5-nitrophenyl as the two aryl groups. | 2.07 | 1 | 0 | aromatic ether; C-nitro compound; sulfonamide | cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
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. | 2.92 | 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 |
nipecotic acid nipecotic acid: RN given refers to cpd without isomeric designation. nipecotic acid : A piperidinemonocarboxylic acid that is piperidine in which one of the hydrogens at position 3 is substituted by a carboxylic acid group. | 2.44 | 2 | 0 | beta-amino acid; piperidinemonocarboxylic acid | |
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. | 2.69 | 3 | 0 | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; methyl ester | |
nisoxetine nisoxetine: potent inhibitor for norepinephrine uptake into rat brain synaptosomes & brain; NM refers to (+-)-isomer; RN given refers to parent cpd; structure. nisoxetine : A secondary amino compound that is N-methyl-3-phenylpropan-1-amine substituted at position 3 by a 2-methoxyphenoxy group. | 2.37 | 2 | 0 | aromatic ether; secondary amino compound | adrenergic uptake inhibitor; antidepressant |
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). | 1.98 | 1 | 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. | 2.7 | 3 | 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. | 4.46 | 5 | 1 | nitroglycerol | explosive; muscle relaxant; nitric oxide donor; prodrug; tocolytic agent; vasodilator agent; xenobiotic |
nitromide nitromide: antibacterial agent for prevention & treatment of Salmonella pullorum infections in chickens & turkeys & for fowl typhoid & paratyphoid; used in feed; structure | 2.07 | 1 | 0 | | |
no 711 [no description available] | 2.08 | 1 | 0 | diarylmethane | |
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. | 2.67 | 3 | 0 | isoquinolines | dopamine uptake inhibitor |
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. | 2.4 | 2 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antibacterial drug; DNA synthesis inhibitor; environmental contaminant; xenobiotic |
norfluoxetine norfluoxetine: metabolite of fluoxetine; RN given refers to parent cpd without isomeric designation | 2.04 | 1 | 0 | (trifluoromethyl)benzenes | |
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. | 4.2 | 5 | 0 | organic tricyclic compound; secondary amine | adrenergic uptake inhibitor; analgesic; antidepressant; antineoplastic agent; apoptosis inducer; drug metabolite |
6,7-dimethoxy-3-(4-methoxy-6-methyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)-3H-isobenzofuran-1-one [no description available] | 2.07 | 1 | 0 | isoquinolines | |
ns 2028 NS 2028: structure in first source | 2.04 | 1 | 0 | | |
n-(2-cyclohexyloxy-4-nitrophenyl)methanesulfonamide N-(2-cyclohexyloxy-4-nitrophenyl)methanesulfonamide: structure given in first source. NS-398 : A C-nitro compound that is N-methylsulfonyl-4-nitroaniline bearing an additional cyclohexyloxy substituent at position 2. | 2.04 | 1 | 0 | aromatic ether; C-nitro compound; sulfonamide | antineoplastic agent; cyclooxygenase 2 inhibitor |
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. | 2.07 | 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. | 3.29 | 6 | 0 | 3-oxo monocarboxylic acid; N-arylpiperazine; N-methylpiperazine; organofluorine compound; oxazinoquinoline | |
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. | 2.94 | 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. | 1.98 | 1 | 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. | 3.61 | 9 | 0 | ether; tertiary amino compound | antidyskinesia agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist; muscle relaxant; NMDA receptor antagonist; parasympatholytic |
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. | 3.08 | 5 | 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. | 4.01 | 4 | 0 | 1,4-benzodiazepinone; organochlorine compound | anxiolytic drug; environmental contaminant; xenobiotic |
oxethazaine [no description available] | 2.4 | 2 | 0 | amino acid amide | |
oxibendazole oxibendazole: structure | 2.07 | 1 | 0 | benzimidazoles; carbamate ester | |
oxidopamine Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals.. oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). | 3.24 | 6 | 0 | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
oxotremorine Oxotremorine: A non-hydrolyzed muscarinic agonist used as a research tool. | 2.36 | 2 | 0 | N-alkylpyrrolidine | |
oxprenolol Oxprenolol: A beta-adrenergic antagonist used in the treatment of hypertension, angina pectoris, arrhythmias, and anxiety. | 2.45 | 2 | 0 | aromatic ether | |
benoxinate benoxinate: RN given refers to parent cpd; structure. oxybuprocaine : A benzoate ester in which 4-amino-3-butoxybenzoic acid and 2-(diethylamino)ethanol have combined to form the ester bond; an ester-based local anaesthetic (ester "caine") used especially in ophthalmology and otolaryngology. | 2.4 | 2 | 0 | amino acid ester; benzoate ester; substituted aniline; tertiary amino compound | drug allergen; local anaesthetic; topical anaesthetic |
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. | 2.46 | 2 | 0 | acetylenic compound; carboxylic ester; racemate; tertiary alcohol; tertiary amino compound | antispasmodic drug; calcium channel blocker; local anaesthetic; muscarinic antagonist; muscle relaxant; parasympatholytic |
oxymetazoline Oxymetazoline: A direct acting sympathomimetic used as a vasoconstrictor to relieve nasal congestion. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1251). oxymetazoline : A member of the class of phenols that is 2,4-dimethylphenol which is substituted at positions 3 and 6 by 4,5-dihydro-1H-imidazol-2-ylmethyl and tert-butyl groups, respectively. A direct-acting sympathomimetic with marked alpha-adrenergic activity, it is a vasoconstrictor that is used (generally as the hydrochloride salt) to relieve nasal congestion. | 2.66 | 3 | 0 | carboxamidine; imidazolines; phenols | alpha-adrenergic agonist; nasal decongestant; sympathomimetic agent; vasoconstrictor agent |
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. | 3.53 | 2 | 0 | phenols; pyrazolidines | antimicrobial agent; antineoplastic agent; antipyretic; drug metabolite; gout suppressant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic metabolite |
oxyphencyclimine oxyphencyclimine: minor descriptor (65-85); on-line & Index Medicus search PYRIMIDINES (65-85); RN given refers to parent cpd without isomeric designation | 2.04 | 1 | 0 | monocarboxylic acid | |
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. | 3.53 | 2 | 0 | aminobenzoic acid; phenols | antitubercular agent |
fenclonine Fenclonine: A selective and irreversible inhibitor of tryptophan hydroxylase, a rate-limiting enzyme in the biosynthesis of serotonin (5-HYDROXYTRYPTAMINE). Fenclonine acts pharmacologically to deplete endogenous levels of serotonin. | 2.66 | 3 | 0 | phenylalanine derivative | |
pamidronate [no description available] | 2.07 | 1 | 0 | phosphonoacetic acid | |
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. | 3.92 | 13 | 0 | benzylisoquinoline alkaloid; dimethoxybenzene; isoquinolines | antispasmodic drug; vasodilator agent |
4-chlorophenol 4-chlorophenol: used as a root canal irrigant. 4-chlorophenol : A monochlorophenol substituted at the pare position by a chlorine atom. | 2.02 | 1 | 0 | monochlorophenol | |
pargyline Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 2.68 | 3 | 0 | aromatic amine | |
pd 153035 4-((3-bromophenyl)amino)-6,7-dimethoxyquinazoline: structure given in first source. PD-153035 : A member of the class of quinazolines carrying a 3-bromophenylamino substituent at position 4 and two methoxy substituents at positions 6 and 7. | 2.04 | 1 | 0 | aromatic amine; aromatic ether; bromobenzenes; quinazolines; secondary amino compound | EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; epidermal growth factor receptor antagonist |
pd 98059 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one: inhibits MAP kinase kinase (MEK) activity, p42 MAPK and p44 MAPK; structure in first source. 2-(2-amino-3-methoxyphenyl)chromen-4-one : A member of the class of monomethoxyflavones that is 3'-methoxyflavone bearing an additional amino substituent at position 2'. | 2.43 | 2 | 0 | aromatic amine; monomethoxyflavone | EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; geroprotector |
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. | 2.07 | 1 | 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. | 8.47 | 8 | 0 | barbiturates | GABAA receptor agonist |
perhexiline Perhexiline: 2-(2,2-Dicyclohexylethyl)piperidine. Coronary vasodilator used especially for angina of effort. It may cause neuropathy and hepatitis. | 2.75 | 3 | 0 | piperidines | cardiovascular drug |
periciazine periciazine: was heading 1963-94 (Prov 1963-72); use PHENOTHIAZINES to search PROPERICIAZINE 1966-94. periciazine : A member of the class of phenothiazines that is 10H-phenothiazine substituted by a 3-(4-hydroxypiperidin-1-yl)propyl group at the nitrogen atom and a carbonitrile group at position 2. Periciazine is a first generation antipsychotic. | 2.04 | 1 | 0 | hydroxypiperidine; nitrile; phenothiazines | adrenergic antagonist; first generation antipsychotic; sedative |
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. | 2.94 | 4 | 0 | N-(2-hydroxyethyl)piperazine; N-alkylpiperazine; organochlorine compound; phenothiazines | antiemetic; dopaminergic antagonist; phenothiazine antipsychotic drug |
phenacemide phenacemide: anti-epileptic drug; structure | 2.07 | 1 | 0 | acetamides | |
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. | 2.02 | 1 | 0 | diaminopyridine; monoazo compound | anticoronaviral agent; carcinogenic agent; local anaesthetic; non-narcotic analgesic |
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. | 4.94 | 12 | 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. | 5.39 | 7 | 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. | 3.1 | 1 | 0 | phenols | |
phenolsulfonphthalein Phenolsulfonphthalein: Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.. phenol red : 3H-2,1-Benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxyphenyl groups. A pH indicator changing colour from yellow below pH 6.8 to bright pink above pH 8.2, it is commonly used as an indicator in cell cultures and in home swimming pool test kits. It is also used in the (now infrequently performed) phenolsulfonphthalein (PSP) test for estimation of overall blood flow through the kidney. | 3.1 | 1 | 0 | 2,1-benzoxathiole; arenesulfonate ester; phenols; sultone | acid-base indicator; diagnostic agent; two-colour indicator |
phenoxybenzamine Phenoxybenzamine: An alpha-adrenergic antagonist with long duration of action. It has been used to treat hypertension and as a peripheral vasodilator. | 4.31 | 20 | 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. | 2.07 | 1 | 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. | 4.46 | 7 | 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 |
1,3a,8-Trimethyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-yl methylcarbamate [no description available] | 2.07 | 1 | 0 | pyrroloindole | |
pimethixene pimethixene: structure | 2.04 | 1 | 0 | thioxanthenes | |
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) | 2.44 | 2 | 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. | 2.69 | 3 | 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. | 2.48 | 2 | 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 |
pipamperone pipamperone: RN given refers to parent cpd; structure. pipamperone : A member of the class of bipiperidines that is 1,4'-bipiperidine which is substituted at the 1' and 4' positions by 4-(p-fluorophenyl)-4-oxobutyl and carboxamide groups, respectively. A first generation antipsychotic, its properties are generally similar to those of haloperidol. | 2.89 | 4 | 0 | aromatic ketone; bipiperidines; monocarboxylic acid amide; organofluorine compound; tertiary amino compound | dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
piperazine [no description available] | 6.93 | 1 | 0 | azacycloalkane; piperazines; saturated organic heteromonocyclic parent | anthelminthic drug |
piracetam Piracetam: A compound suggested to be both a nootropic and a neuroprotective agent. | 2.43 | 2 | 0 | organonitrogen compound; organooxygen compound | |
pirenperone [no description available] | 1.96 | 1 | 0 | aromatic ketone | |
pirenzepine Pirenzepine: An antimuscarinic agent that inhibits gastric secretion at lower doses than are required to affect gastrointestinal motility, salivary, central nervous system, cardiovascular, ocular, and urinary function. It promotes the healing of duodenal ulcers and due to its cytoprotective action is beneficial in the prevention of duodenal ulcer recurrence. It also potentiates the effect of other antiulcer agents such as CIMETIDINE and RANITIDINE. It is generally well tolerated by patients. | 4.23 | 17 | 0 | pyridobenzodiazepine | anti-ulcer drug; antispasmodic drug; muscarinic antagonist |
piretanide piretanide: potent inhibitor of chloride transport; structure | 2.4 | 2 | 0 | aromatic ether | |
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. | 1.95 | 1 | 0 | N-arylpiperazine | |
potassium chloride Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.. potassium chloride : A metal chloride salt with a K(+) counterion. | 4.68 | 11 | 0 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
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. | 2.7 | 3 | 0 | acetamides; ethanolamines; propanolamine; secondary alcohol; secondary amino compound | anti-arrhythmia drug; beta-adrenergic antagonist |
duodote duodote: consists of atropine and pralidoxime chloride; for treating those exposed to organophosphorus-containing nerve agents | 2.07 | 1 | 0 | pyridinium ion | antidote to organophosphate poisoning; antidote to sarin poisoning; cholinergic drug; cholinesterase reactivator |
pramoxine pramoxine: RN given refers to parent cpd; structure. pramocaine : A member of the class of morpholines that is morpholine substituted at the nitrogen atom by a 3-(4-butoxyphenoxy)propyl group. | 1.96 | 1 | 0 | aromatic ether; morpholines | local anaesthetic |
ono 1078 pranlukast: SRS-A antagonist; leukotriene D4 receptor antagonist | 5.08 | 10 | 1 | chromones | |
prazepam Prazepam: A benzodiazepine that is used in the treatment of ANXIETY DISORDERS. | 1.98 | 1 | 0 | benzodiazepine | |
praziquantel azinox: Russian drug | 2.07 | 1 | 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. | 4.67 | 28 | 0 | aromatic ether; furans; monocarboxylic acid amide; piperazines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
pridinol pridinol: antispasmodic & muscle relaxant; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7539. pridinol : A piperidine substituted at position 1 by a 3-hydroxy-3,3-diphenylpropyl group. | 2.04 | 1 | 0 | piperidines; tertiary alcohol | antiparkinson drug; muscle relaxant |
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. | 1.96 | 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. | 2.7 | 3 | 0 | aminoquinoline; aromatic ether; N-substituted diamine | antimalarial |
proadifen Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 2.68 | 3 | 0 | diarylmethane | |
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. | 4.22 | 5 | 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. | 2.07 | 1 | 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. | 3.23 | 6 | 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. | 3.92 | 13 | 0 | benzoate ester; substituted aniline; tertiary amino compound | central nervous system depressant; drug allergen; local anaesthetic; peripheral nervous system drug |
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. | 2.75 | 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. | 2.46 | 2 | 0 | pyrrolidines; tertiary alcohol | antidyskinesia agent; antiparkinson drug; muscarinic antagonist |
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. | 3.11 | 5 | 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. | 11.31 | 30 | 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. | 2.72 | 3 | 0 | aromatic ketone; secondary alcohol; secondary amino compound | anti-arrhythmia drug |
propantheline Propantheline: A muscarinic antagonist used as an antispasmodic, in rhinitis, in urinary incontinence, and in the treatment of ulcers. At high doses it has nicotinic effects resulting in neuromuscular blocking. | 2.35 | 2 | 0 | xanthenes | |
proxymetacaine proxymetacaine: RN given refers to parent cpd; structure | 1.96 | 1 | 0 | benzoate ester | |
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. | 3.1 | 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. | 7.67 | 84 | 0 | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
propyl gallate Propyl Gallate: Antioxidant for foods, fats, oils, ethers, emulsions, waxes, and transformer oils. | 3.1 | 1 | 0 | trihydroxybenzoic acid | |
protriptyline Protriptyline: Tricyclic antidepressant similar in action and side effects to IMIPRAMINE. It may produce excitation. | 4.05 | 14 | 0 | carbotricyclic compound | antidepressant |
pyridostigmine [no description available] | 2.07 | 1 | 0 | pyridinium ion | |
pyrimethamine Maloprim: contains above 2 cpds | 3.09 | 5 | 0 | aminopyrimidine; monochlorobenzenes | antimalarial; antiprotozoal drug; EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
quetiapine [no description available] | 2.51 | 2 | 0 | dibenzothiazepine; N-alkylpiperazine; N-arylpiperazine | adrenergic antagonist; dopaminergic antagonist; histamine antagonist; second generation antipsychotic; serotonergic antagonist |
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. | 3.1 | 1 | 0 | tetrahydroxyanthraquinone | EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor |
7-chloro-3-methyl-1-phenyl-1,2,4,5-tetrahydro-3-benzazepin-8-ol [no description available] | 2.54 | 2 | 0 | benzazepine; organochlorine compound; tertiary amino compound | dopaminergic antagonist |
raloxifene raloxifene : A member of the class of 1-benzothiophenes that is 1-benzothiophene in which the hydrogens at positions 2, 3, and 6 have been replaced by p-hydroxyphenyl, p-[2-(piperidin-1-yl)ethoxy]benzoyl, and hydroxy groups, respectively. | 2.07 | 1 | 0 | 1-benzothiophenes; aromatic ketone; N-oxyethylpiperidine; phenols | bone density conservation agent; estrogen antagonist; estrogen receptor modulator |
ranitidine [no description available] | 4.2 | 5 | 0 | aralkylamine | |
pf 5901 alpha-pentyl-3-(2-quinolinylmethoxy)benzenemethanol: structure given in first source; platelet activating factor antagonist | 2 | 1 | 0 | quinolines | |
riluzole Riluzole: A glutamate antagonist (RECEPTORS, GLUTAMATE) used as an anticonvulsant (ANTICONVULSANTS) and to prolong the survival of patients with AMYOTROPHIC LATERAL SCLEROSIS. | 2.07 | 1 | 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. | 3.15 | 5 | 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 |
ritanserin Ritanserin: A selective and potent serotonin-2 antagonist that is effective in the treatment of a variety of syndromes related to anxiety and depression. The drug also improves the subjective quality of sleep and decreases portal pressure.. ritanserin : A thiazolopyrimidine that is 5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one which is substituted at position 7 by a methyl group and at position 6 by a 2-{4-[bis(4-fluorophenyl)methylidene]piperidin-1-yl}ethyl group. A potent and long-acting seratonin (5-hydroxytryptamine, 5-HT) antagonist of the subtype 5-HT2 (Ki = 0.39 nM), it is used in the treatment of a variety of disorders including anxiety, depression and schizophrenia. It has little sedative action. | 2.7 | 3 | 0 | organofluorine compound; piperidines; thiazolopyrimidine | antidepressant; antipsychotic agent; anxiolytic drug; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; serotonergic antagonist |
ro 31-8220 Ro 31-8220: a protein kinase C inhibitor | 2.43 | 2 | 0 | imidothiocarbamic ester; indoles; maleimides | EC 2.7.11.13 (protein kinase C) inhibitor |
4-(3-butoxy-4-methoxybenzyl)-2-imidazolidinone 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone: Inhibitor of phosphodiesterases. | 1.96 | 1 | 0 | methoxybenzenes | |
rofecoxib [no description available] | 2.44 | 2 | 0 | butenolide; sulfone | analgesic; cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
rolipram [no description available] | 2.7 | 3 | 0 | pyrrolidin-2-ones | antidepressant; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
roxarsone Roxarsone: An arsenic derivative which has anticoccidial action and promotes growth in animals.. roxarsone : An organoarsonic acid where the organyl group is 4-hydroxy-3-nitrophenyl. | 2.07 | 1 | 0 | 2-nitrophenols; organoarsonic acid | agrochemical; animal growth promotant; antibacterial drug; coccidiostat |
roxatidine acetate roxatidine acetate: structure given in first source | 2.08 | 1 | 0 | piperidines | |
salicylamide salamide: a major impurity of hydrochlorothiazide; structure in first source | 3.53 | 2 | 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. | 2.07 | 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 |
sb 206553 SB 206553: a high-affinity 5-HT(2C/2B) antagonist; structure given in first source | 2.55 | 2 | 0 | pyrroloindole | |
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. | 2.39 | 2 | 0 | barbiturates | anaesthesia adjuvant; GABA modulator; sedative |
carbamylhydrazine carbamylhydrazine: RN given refers to parent cpd | 2.38 | 2 | 0 | carbohydrazide; monocarboxylic acid amide; one-carbon compound; ureas | |
sibutramine sibutramine: serotonin and norepinephrine transporter inhibitor; Meridia is tradename for sibutramine hydrochloride | 2.04 | 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. | 2.07 | 1 | 0 | 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 |
sk&f 91488 SK&F 91488: RN given refers to parent cpd; structure given in first source; PI: APT (80-92) (not an active MH record; now NM) | 2.67 | 3 | 0 | | |
sodium fluoride [no description available] | 2.66 | 3 | 0 | fluoride salt | mutagen |
risedronic acid Risedronic Acid: A pyridine and diphosphonic acid derivative that acts as a CALCIUM CHANNEL BLOCKER and inhibits BONE RESORPTION. | 2.07 | 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. | 2.4 | 2 | 0 | ethanolamines; secondary alcohol; secondary amino compound; sulfonamide | anti-arrhythmia drug; beta-adrenergic antagonist; environmental contaminant; xenobiotic |
spiperone Spiperone: A spiro butyrophenone analog similar to HALOPERIDOL and other related compounds. It has been recommended in the treatment of SCHIZOPHRENIA.. spiperone : An azaspiro compound that is 1,3,8-triazaspiro[4.5]decane which is substituted at positions 1, 4, and 8 by phenyl, oxo, and 4-(p-fluorophenyl)-4-oxobutyl groups, respectively. | 3.68 | 10 | 0 | aromatic ketone; azaspiro compound; organofluorine compound; piperidines; tertiary amino compound | alpha-adrenergic antagonist; antipsychotic agent; dopaminergic antagonist; psychotropic drug; serotonergic antagonist |
sq 22536 9-(tetrahydrofuryl)adenine : A nucleoside analogue that is adenine in which the nitrogen at position 9 has been substituted by a tetrahydrofuran-2-yl group. It is an adenylate cyclase inhibitor. | 2.04 | 1 | 0 | nucleoside analogue; oxolanes | EC 4.6.1.1 (adenylate cyclase) inhibitor |
imatinib [no description available] | 2.07 | 1 | 0 | aromatic amine; benzamides; N-methylpiperazine; pyridines; pyrimidines | antineoplastic agent; apoptosis inducer; tyrosine kinase 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. | 1.96 | 1 | 0 | quaternary ammonium ion; succinate ester | drug allergen; muscle relaxant; neuromuscular agent |
succinylsulfathiazole succinylsulfathiazole: intestinal antimicrobial agent; structure | 2.07 | 1 | 0 | 1,3-thiazoles | |
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. | 2.07 | 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. | 3.53 | 2 | 0 | aromatic ether; pyrimidines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; antimicrobial agent; drug allergen; environmental contaminant; xenobiotic |
sulfamerazine [no description available] | 2.07 | 1 | 0 | pyrimidines; sulfonamide antibiotic; sulfonamide | antiinfective agent; drug allergen |
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. | 2.07 | 1 | 0 | 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. | 2.07 | 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. | 2.07 | 1 | 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 |
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. | 2.07 | 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 |
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. | 2.45 | 2 | 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. | 3.1 | 1 | 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. | 3.1 | 1 | 0 | pyrazolidines; sulfoxide | uricosuric drug |
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. | 2.07 | 1 | 0 | isoxazoles; sulfonamide antibiotic; sulfonamide | antibacterial drug; drug allergen |
2-(octylamino)-1-[4-(propan-2-ylthio)phenyl]-1-propanol [no description available] | 2.04 | 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. | 3.62 | 9 | 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. | 2.41 | 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. | 3.1 | 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 |
talipexole talipexole: dopamine receptor agonist; structure given in first source | 2.37 | 2 | 0 | azepine | |
telenzepine telenzepine: structure given in first source | 2.07 | 1 | 0 | benzodiazepine | |
temazepam Temazepam: A benzodiazepine that acts as a GAMMA-AMINOBUTYRIC ACID modulator and anti-anxiety agent. | 3.1 | 1 | 0 | benzodiazepine | |
terazosin Terazosin: induces decreased blood pressure; used in the treatment of benign prostatic hyperplasia | 2.07 | 1 | 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. | 4.26 | 4 | 1 | 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. | 10.49 | 21 | 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. | 3.5 | 8 | 0 | benzoate ester; tertiary amino compound | local anaesthetic |
tetraethylammonium Tetraethylammonium: A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90) | 3.26 | 6 | 0 | quaternary ammonium ion | |
tetrahydroxy-1,4-quinone tetrahydroxy-1,4-quinone: structure. tetrahydroxy-1,4-benzoquinone : A hydroxybenzoquinone in which all four protons of the benzoquinone structure are substituted by hydroxy groups. A systemic keratolytic, it is normally supplied as its hydrate (CHEBI:137471). | 2.07 | 1 | 0 | hydroxybenzoquinone | keratolytic drug |
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. | 2.07 | 1 | 0 | phthalimides; piperidones | |
thiabendazole Tresaderm: dermatologic soln containing dexamethasone, thiabendazole & neomycin sulfate | 2.07 | 1 | 0 | 1,3-thiazoles; benzimidazole fungicide; benzimidazoles | antifungal agrochemical; antinematodal drug |
2-thiosalicylic acid 2-thiosalicylic acid: a degradation product of thimerosal; RN given refers to parent cpd. thiosalicylic acid : A sulfanylbenzoic acid that is the 2-sulfanyl derivative of benzoic acid. | 2.07 | 1 | 0 | sulfanylbenzoic acid | antipyretic; non-narcotic analgesic |
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. | 3.39 | 7 | 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). | 2.07 | 1 | 0 | aziridines | |
thonzylamine thonzylamine: major descriptor (72-84); file-maintained to PYRIMIDINES | 3.1 | 1 | 0 | methoxybenzenes | |
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. | 3.49 | 2 | 0 | aromatic ketone; monocarboxylic acid; thiophenes | drug allergen; non-steroidal anti-inflammatory drug |
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. | 2.48 | 2 | 0 | monochlorobenzenes; thienopyridine | anticoagulant; fibrin modulating drug; hematologic agent; P2Y12 receptor antagonist; platelet aggregation inhibitor |
8-(n,n-diethylamino)octyl-3,4,5-trimethoxybenzoate 8-(N,N-diethylamino)octyl-3,4,5-trimethoxybenzoate: intracellular calcium antagonist; RN given refers to parent cpd | 1.99 | 1 | 0 | trihydroxybenzoic acid | |
tofisopam tofisopam: structure; dextofisopam is the R-enantiomer of tofisopam & antidiarrheal | 2.04 | 1 | 0 | organic molecular entity | |
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. | 2.07 | 1 | 0 | N-sulfonylurea | hypoglycemic agent; potassium channel blocker |
tolazoline Tolazoline: A vasodilator that apparently has direct actions on blood vessels and also increases cardiac output. Tolazoline can interact to some degree with histamine, adrenergic, and cholinergic receptors, but the mechanisms of its therapeutic effects are not clear. It is used in treatment of persistent pulmonary hypertension of the newborn.. tolazoline : A member of the class of imidazoles that is 4,5-dihydro-1H-imidazole substituted by a benzyl group. | 2.39 | 2 | 0 | imidazoles | alpha-adrenergic antagonist; antihypertensive agent; vasodilator agent |
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. | 2.07 | 1 | 0 | N-sulfonylurea | human metabolite; hypoglycemic agent; insulin secretagogue; potassium channel blocker |
tolnaftate [no description available] | 2.07 | 1 | 0 | monothiocarbamic ester | antifungal drug |
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. | 2.44 | 2 | 0 | aromatic ether; tertiary alcohol; tertiary amino compound | |
tranexamic acid Tranexamic Acid: Antifibrinolytic hemostatic used in severe hemorrhage. | 2.66 | 3 | 0 | amino acid | |
trapidil Trapidil: A coronary vasodilator agent. | 2.07 | 1 | 0 | triazolopyrimidines | |
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. | 2.9 | 4 | 0 | monochlorobenzenes; N-alkylpiperazine; N-arylpiperazine; triazolopyridine | adrenergic antagonist; antidepressant; anxiolytic drug; H1-receptor antagonist; sedative; serotonin uptake inhibitor |
tremorine [no description available] | 1.95 | 1 | 0 | N-alkylpyrrolidine | |
trequinsin trequinsin: RN given refers to parent cpd; structure given in first source | 1.96 | 1 | 0 | pyridopyrimidine | |
trifluoperazine [no description available] | 4.58 | 8 | 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) | 2.07 | 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. | 3.82 | 3 | 0 | organofluorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; first generation antipsychotic |
trihexyphenidyl Trihexyphenidyl: One of the centrally acting MUSCARINIC ANTAGONISTS used for treatment of PARKINSONIAN DISORDERS and drug-induced extrapyramidal movement disorders and as an antispasmodic. | 2.04 | 1 | 0 | amine | |
trimebutine Trimebutine: Proposed spasmolytic with possible local anesthetic action used in gastrointestinal disorders. | 2.07 | 1 | 0 | trihydroxybenzoic acid | |
trimeprazine Trimeprazine: A phenothiazine derivative that is used as an antipruritic. | 2.46 | 2 | 0 | phenothiazines | |
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. | 2.7 | 3 | 0 | aminopyrimidine; methoxybenzenes | antibacterial drug; diuretic; drug allergen; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; environmental contaminant; xenobiotic |
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 |
trioxsalen Trioxsalen: Pigmenting photosensitizing agent obtained from several plants, mainly Psoralea corylifolia. It is administered either topically or orally in conjunction with ultraviolet light in the treatment of vitiligo.. lactone : Any cyclic carboxylic ester containing a 1-oxacycloalkan-2-one structure, or an analogue having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.. antipsoriatic : A drug used to treat psoriasis.. trioxsalen : 7H-Furo[3,2-g]chromen-7-one in which positions 2, 5, and 9 are substituted by methyl groups. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered orally in conjunction with UV-A for phototherapy treatment of vitiligo. After photoactivation it creates interstrand cross-links in DNA, inhibiting DNA synthesis and cell division, and can lead to cell injury; recovery from the cell injury may be followed by increased melanisation of the epidermis. | 2.07 | 1 | 0 | psoralens | dermatologic drug; photosensitizing agent |
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. | 5.09 | 14 | 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. | 2.48 | 2 | 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 |
tropicamide Tropicamide: One of the MUSCARINIC ANTAGONISTS with pharmacologic action similar to ATROPINE and used mainly as an ophthalmic parasympatholytic or mydriatic. | 2.07 | 1 | 0 | acetamides | |
tulobuterol [no description available] | 2.07 | 1 | 0 | organochlorine compound | |
tyramine [no description available] | 2.35 | 2 | 0 | monoamine molecular messenger; primary amino compound; tyramines | EC 3.1.1.8 (cholinesterase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter |
urapidil [no description available] | 2.44 | 2 | 0 | piperazines | |
urethane [no description available] | 2.39 | 2 | 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. | 2.76 | 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 | 1.98 | 1 | 0 | piperidines | |
vesnarinone [no description available] | 2.02 | 1 | 0 | organic molecular entity | |
vigabatrin [no description available] | 2.03 | 1 | 0 | gamma-amino acid | anticonvulsant; EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor |
w 7 W 7: RN given refers to parent cpd; structure; calmodulin antagonist | 2.9 | 4 | 0 | | |
wb 4101 N-(2,3-dihydro-1,4-benzodioxin-2-ylmethyl)-2-(2,6-dimethoxyphenoxy)ethanamine : A benzodioxine that is 2,3-dihydro-1,4-benzodioxine bearing a [(2',6'-dimethoxyphenoxy)ethylamino]methyl group at position 2. An alpha1A-adrenergic selective antagonist. | 3.09 | 5 | 0 | aromatic ether; benzodioxine; secondary amino compound | alpha-adrenergic antagonist |
pirinixic acid pirinixic acid: structure | 1.98 | 1 | 0 | aryl sulfide; organochlorine compound; pyrimidines | |
xylazine Xylazine: An adrenergic alpha-2 agonist used as a sedative, analgesic and centrally acting muscle relaxant in VETERINARY MEDICINE.. xylazine : A methyl benzene that is 1,3-dimethylbenzene which is substituted by a 5,6-dihydro-4H-1,3-thiazin-2-ylnitrilo group at position 2. It is an alpha2 adrenergic receptor agonist and frequently used in veterinary medicine as an emetic and sedative with analgesic and muscle relaxant properties. | 2.67 | 3 | 0 | 1,3-thiazine; methylbenzene; secondary amino compound | alpha-adrenergic agonist; analgesic; emetic; muscle relaxant; sedative |
xylometazoline xylometazoline: RN given refers to parent cpd; structure | 2.46 | 2 | 0 | alkylbenzene | |
ici 204,219 zafirlukast: a leukotriene D4 receptor antagonist | 4.31 | 4 | 1 | carbamate ester; indoles; N-sulfonylcarboxamide | anti-asthmatic agent; leukotriene antagonist |
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. | 2.46 | 2 | 0 | imidazopyridine | central nervous system depressant; GABA agonist; sedative |
zomepirac zomepirac: RN given refers to parent cpd; structure | 3.53 | 2 | 0 | aromatic ketone; monocarboxylic acid; monochlorobenzenes; pyrroles | cardiovascular drug; non-steroidal anti-inflammatory drug |
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. | 2.07 | 1 | 0 | mitomycin | alkylating agent; antineoplastic agent |
corticosterone [no description available] | 5.33 | 18 | 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. | 2.89 | 4 | 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. | 4.05 | 4 | 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. | 8.2 | 6 | 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. | 3.91 | 13 | 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 | 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. | 5.05 | 43 | 0 | imidazoles; phenols; substituted aniline; tertiary amino compound | alpha-adrenergic antagonist; vasodilator agent |
hexobendine Hexobendine: A potent vasoactive agent that dilates cerebral and coronary arteries, but slightly constricts femoral arteries, without any effects on heart rate, blood pressure or cardiac output. | 1.96 | 1 | 0 | trihydroxybenzoic acid | |
thymidine [no description available] | 3.08 | 5 | 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. | 2.07 | 1 | 0 | nucleoside analogue; organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; radiosensitizing agent |
piperonyl butoxide [no description available] | 2.07 | 1 | 0 | benzodioxoles | pesticide synergist |
2-aminophenol [no description available] | 3.1 | 1 | 0 | aminophenol | bacterial metabolite |
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. | 1.96 | 1 | 0 | | |
dichloroisoproterenol dichloroisoproterenol: was heading 1968-94; was DICHLORISOPROTERENOL 1963-76; DCI was see DICHLOROISOPROTERENOL 1975-94; use ISOPROTERENOL to search DICHLOROISOPROTERENOL 1968-94 & DICHLORISOPROTERENOL 1966-67 | 1.96 | 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. | 3.99 | 4 | 0 | 2-halophenol; iodophenol; L-phenylalanine derivative; non-proteinogenic L-alpha-amino acid; thyroxine zwitterion; thyroxine | antithyroid drug; human metabolite; mouse metabolite; thyroid hormone |
dibenzylchlorethamine Dibenzylchlorethamine: An alpha adrenergic antagonist. | 2.35 | 2 | 0 | | |
carbachol Carbachol: A slowly hydrolyzed CHOLINERGIC AGONIST that acts at both MUSCARINIC RECEPTORS and NICOTINIC RECEPTORS. | 5.06 | 43 | 0 | ammonium salt; carbamate ester | cardiotonic drug; miotic; muscarinic agonist; nicotinic acetylcholine receptor agonist; non-narcotic analgesic |
aldosterone [no description available] | 5.86 | 7 | 1 | 11beta-hydroxy steroid; 18-oxo steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; mineralocorticoid; primary alpha-hydroxy ketone; steroid aldehyde | human metabolite; mouse metabolite |
pentolinium tartrate Pentolinium Tartrate: A nicotinic antagonist that has been used as a ganglionic blocking agent in hypertension.. pentolinium tartrate : The bitartrate salt of pentolinium. | 2.36 | 2 | 0 | tartrate salt | antihypertensive agent |
tetrahydrocortisol [no description available] | 3.1 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3alpha-hydroxy steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | |
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. | 3.82 | 3 | 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 |
tetrahydrocortisone [no description available] | 3.1 | 1 | 0 | 21-hydroxy steroid | |
estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 4.03 | 4 | 0 | 17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols | antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite |
androsterone [no description available] | 3.1 | 1 | 0 | 17-oxo steroid; 3alpha-hydroxy steroid; androstanoid; C19-steroid | androgen; anticonvulsant; human blood serum metabolite; human metabolite; human urinary metabolite; mouse metabolite; pheromone |
etiocholanolone Etiocholanolone: The 5-beta-reduced isomer of ANDROSTERONE. Etiocholanolone is a major metabolite of TESTOSTERONE and ANDROSTENEDIONE in many mammalian species including humans. It is excreted in the URINE.. 3alpha-hydroxy-5beta-androstan-17-one : An androstanoid that is 5beta-androstane substituted by an alpha-hydroxy group at position 3 and an oxo group at position 17. It is a metabolite of testosterone in mammals. | 3.1 | 1 | 0 | 17-oxo steroid; 3alpha-hydroxy steroid; androstanoid | human metabolite; mouse metabolite |
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. | 3.1 | 1 | 0 | 17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid | androgen; human metabolite; mouse metabolite |
hydroxyacetylaminofluorene Hydroxyacetylaminofluorene: A N-hydroxylated derivative of 2-ACETYLAMINOFLUORENE that has demonstrated carcinogenic action. | 3.1 | 1 | 0 | 2-acetamidofluorenes | |
camylofine camylofine: RN given refers to parent cpd; structure | 2.04 | 1 | 0 | alpha-amino acid ester | |
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. | 2.92 | 4 | 0 | penicillin allergen; penicillin | antibacterial drug; drug allergen; epitope |
metaraminol Metaraminol: A sympathomimetic agent that acts predominantly at alpha-1 adrenergic receptors. It has been used primarily as a vasoconstrictor in the treatment of HYPOTENSION.. metaraminol : A member of the class of phenylethanolamines that is 2-amino-1-phenylethanol substituted by a methyl group at position 2 and a phenolic hydroxy group at position 1. A sympathomimetic agent , it is used in the treatment of hypotension. | 2.48 | 2 | 0 | phenylethanolamines | alpha-adrenergic agonist; sympathomimetic agent; vasoconstrictor agent |
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. | 2.66 | 3 | 0 | pilocarpine | antiglaucoma drug |
dimethylphenylpiperazinium iodide Dimethylphenylpiperazinium Iodide: A selective nicotinic cholinergic agonist used as a research tool. DMPP activates nicotinic receptors in autonomic ganglia but has little effect at the neuromuscular junction. | 2.37 | 2 | 0 | N-arylpiperazine; organic iodide salt; piperazinium salt; quaternary ammonium salt | nicotinic acetylcholine receptor agonist |
pentylenetetrazole Pentylenetetrazole: A pharmaceutical agent that displays activity as a central nervous system and respiratory stimulant. It is considered a non-competitive GAMMA-AMINOBUTYRIC ACID antagonist. Pentylenetetrazole has been used experimentally to study seizure phenomenon and to identify pharmaceuticals that may control seizure susceptibility.. pentetrazol : An organic heterobicyclic compound that is 1H-tetrazole in which the hydrogens at positions 1 and 5 are replaced by a pentane-1,5-diyl group. A central and respiratory stimulant, it was formerly used for the treatment of cough and other respiratory tract disorders, cardiovascular disorders including hypotension, and pruritis. | 2.94 | 4 | 0 | organic heterobicyclic compound; organonitrogen heterocyclic compound | |
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. | 4.23 | 5 | 0 | 2-halophenol; amino acid zwitterion; iodophenol; iodothyronine | human metabolite; mouse metabolite; thyroid hormone |
tetraethylammonium chloride tetraethylammonium chloride : A quarternary ammonium chloride salt in which the cation has four ethyl substituents around the central nitrogen. | 1.96 | 1 | 0 | organic chloride salt; quaternary ammonium salt | potassium channel blocker |
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. | 2.38 | 2 | 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 |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.38 | 2 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
benz(a)anthracene benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear NAPHTHACENES. tetraphene : An angular ortho-fused polycyclic arene consisting of four fused benzene rings. | 3.1 | 1 | 0 | ortho-fused polycyclic arene; tetraphenes | |
4-nitroquinoline-1-oxide 4-nitroquinoline N-oxide : A quinoline N-oxide carrying a nitro substituent at position 4. | 2.13 | 1 | 0 | C-nitro compound; quinoline N-oxide | carcinogenic agent |
chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 4.29 | 3 | 0 | C-nitro compound; carboxamide; diol; organochlorine compound | antibacterial drug; antimicrobial agent; Escherichia coli metabolite; geroprotector; Mycoplasma genitalium metabolite; protein synthesis inhibitor |
aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 1.98 | 1 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
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. | 2.07 | 1 | 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. | 2.41 | 2 | 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 |
allyl isothiocyanate allyl isothiocyanate: used in the manufacture of flavors, war gases; medical use as a counterirritant; structure. allyl isothiocyanate : An isothiocyanate with the formula CH2=CHCH2N=C=S. A colorless oil with boiling point 152degreeC, it is responsible for the pungent taste of mustard, horseradish, and wasabi. | 2.15 | 1 | 0 | alkenyl isothiocyanate; isothiocyanate | antimicrobial agent; antineoplastic agent; apoptosis inducer; lachrymator; metabolite |
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. | 1.95 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
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. | 3.68 | 10 | 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. | 2.66 | 3 | 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. | 3.83 | 3 | 0 | 17-hydroxy steroid; 3-hydroxy steroid; terminal acetylenic compound | xenoestrogen |
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. | 2.67 | 3 | 0 | bisbenzylisoquinoline alkaloid | drug allergen; muscle relaxant; nicotinic antagonist |
9,10-dimethyl-1,2-benzanthracene 9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 2.4 | 2 | 0 | ortho-fused polycyclic arene; tetraphenes | carcinogenic agent |
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. | 3.6 | 9 | 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. | 2.69 | 3 | 0 | pyrazolone; tertiary amino compound | antipyretic; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
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. | 1.96 | 1 | 0 | benzoquinolizine; cyclic ketone; tertiary amino compound | |
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.88 | 4 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
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 | 1 | 0 | azabicycloalkene; beta-lactam antibiotic allergen; carboxylic acid; cephalosporin; semisynthetic derivative; thiophenes | antibacterial drug; antimicrobial agent |
ethopabate Ethopabate: An inhibitor of folate metabolism. It is used as a coccidiostat in poultry. | 2.07 | 1 | 0 | amidobenzoic acid | |
carbostyril Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.67 | 3 | 0 | monohydroxyquinoline; quinolone | bacterial xenobiotic metabolite |
piperoxan Piperoxan: A benzodioxane alpha-adrenergic blocking agent with considerable stimulatory action. It has been used to diagnose PHEOCHROMOCYTOMA and as an antihypertensive agent. | 2.66 | 3 | 0 | | |
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. | 10.29 | 13 | 1 | phenols; phenylethanolamines; secondary amino compound | alpha-adrenergic agonist; cardiotonic drug; mydriatic agent; nasal decongestant; protective agent; sympathomimetic agent; vasoconstrictor agent |
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 | 1 | 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. | 3.07 | 5 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.42 | 2 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
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. | 2.07 | 1 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
acepromazine Acepromazine: A phenothiazine that is used in the treatment of PSYCHOSES.. acepromazine : A member of the class of phenothiazines that is 10H-phenothiazine substituted by an acetyl group at position 2 and a 3-(dimethylamino)propyl group at position 10. | 2.07 | 1 | 0 | aromatic ketone; methyl ketone; phenothiazines; tertiary amino compound | phenothiazine antipsychotic drug |
methoxamine Methoxamine: An alpha-1 adrenergic agonist that causes prolonged peripheral VASOCONSTRICTION.. methoxamine : An amphetamine in which the parent 1-phenylpropan-2-amine skeleton is substituted at position 1 with an hydroxy group and the phenyl ring is 2- and 5-substituted with methoxy groups. It is an antihypotensive agent (pressor), an agonist acting directly at alpha-adrenoceptors with selectivity for the alpha-1 adrenoceptor subtype similar to phenylephrine . | 2.68 | 3 | 0 | amphetamines | alpha-adrenergic agonist; antihypotensive agent |
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. | 2.44 | 2 | 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. | 2.88 | 4 | 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. | 1.97 | 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. | 2.48 | 2 | 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. | 2.92 | 4 | 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 |
berlition berlition: antioxidant preparation containing alpha-lipoic acid, used in the neuroprotective therapy of chronic brain ischemia for correction of free-radical processes. (R)-lipoic acid : The (R)-enantiomer of lipoic acid. A vitamin-like, C8 thia fatty acid with anti-oxidant properties.. lipoic acid : A heterocyclic thia fatty acid comprising pentanoic acid with a 1,2-dithiolan-3-yl group at the 5-position. | 2.07 | 1 | 0 | dithiolanes; heterocyclic fatty acid; lipoic acid; thia fatty acid | cofactor; nutraceutical; prosthetic group |
methacholine chloride Methacholine Chloride: A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116) | 3.07 | 5 | 0 | quaternary ammonium salt | |
aniline [no description available] | 3.51 | 2 | 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. | 1.96 | 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 |
cytidine monophosphate Cytidine Monophosphate: Cytidine (dihydrogen phosphate). A cytosine nucleotide containing one phosphate group esterified to the sugar moiety in the 2', 3' or 5' position.. cytidine 5'-monophosphate : A pyrimidine ribonucleoside 5'-monophosphate having cytosine as the nucleobase. | 1.96 | 1 | 0 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
desoxycorticosterone Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE | 3.82 | 3 | 0 | 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; mineralocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
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. | 2.92 | 4 | 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) | 2.39 | 2 | 0 | | |
cytidine [no description available] | 1.99 | 1 | 0 | cytidines | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 3.08 | 5 | 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. | 2.68 | 3 | 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. | 2.37 | 2 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
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. | 3.53 | 2 | 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. | 3.1 | 1 | 0 | oxo steroid | |
cycloserine Cycloserine: Antibiotic substance produced by Streptomyces garyphalus.. D-cycloserine : A 4-amino-1,2-oxazolidin-3-one that has R configuration. It is an antibiotic produced by Streptomyces garyphalus or S. orchidaceus and is used as part of a multi-drug regimen for the treatment of tuberculosis when resistance to, or toxicity from, primary drugs has developed. An analogue of D-alanine, it interferes with bacterial cell wall synthesis in the cytoplasm by competitive inhibition of L-alanine racemase (which forms D-alanine from L-alanine) and D-alanine--D-alanine ligase (which incorporates D-alanine into the pentapeptide required for peptidoglycan formation and bacterial cell wall synthesis). | 2.95 | 4 | 0 | 4-amino-1,2-oxazolidin-3-one; organonitrogen heterocyclic antibiotic; organooxygen heterocyclic antibiotic; zwitterion | antiinfective agent; antimetabolite; antitubercular agent; metabolite; NMDA receptor agonist |
17-alpha-hydroxyprogesterone 17alpha-hydroxyprogesterone : A 17alpha-hydroxy steroid that is the 17alpha-hydroxy derivative of progesterone. | 3.1 | 1 | 0 | 17alpha-hydroxy-C21-steroid; 17alpha-hydroxy steroid; tertiary alpha-hydroxy ketone | human metabolite; metabolite; mouse metabolite; progestin |
chlorisondamine Chlorisondamine: A nicotinic antagonist used primarily as a ganglionic blocker in animal research. It has been used as an antihypertensive agent but has been supplanted by more specific drugs in most clinical applications. | 1.98 | 1 | 0 | isoindoles | |
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. | 3.99 | 2 | 0 | beta-lactam antibiotic; penicillin allergen; penicillin | antibacterial drug |
mannitol [no description available] | 2.42 | 2 | 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] | 2.07 | 1 | 0 | beta-D-arabinoside; monosaccharide derivative; pyrimidine nucleoside | antimetabolite; antineoplastic agent; antiviral agent; immunosuppressive agent |
dithionitrobenzoic acid Dithionitrobenzoic Acid: A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. It is used primarily for the determination of sulfhydryl and disulfide groups in proteins. The color produced is due to the formation of a thio anion, 3-carboxyl-4-nitrothiophenolate.. dithionitrobenzoic acid : An organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. | 1.96 | 1 | 0 | nitrobenzoic acid; organic disulfide | indicator |
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. | 2.07 | 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. | 2.39 | 2 | 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 |
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. | 5.93 | 25 | 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 |
n-pentanol n-pentanol: RN given refers to parent cpd. pentan-1-ol : A short-chain primary fatty alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia. | 2.02 | 1 | 0 | pentanol; short-chain primary fatty alcohol | human metabolite; plant metabolite |
1,1,1-trichloroethane Trichloroethanes: Chlorinated ethanes which are used extensively as industrial solvents. They have been utilized in numerous home-use products including spot remover preparations and inhalant decongestant sprays. These compounds cause central nervous system and cardiovascular depression and are hepatotoxic. Include 1,1,1- and 1,1,2-isomers.. 1,1,1-trichloroethane : A member of the class of chloroethanes carrying three chloro substituents at position 1. | 2.41 | 2 | 0 | chloroethanes | polar solvent |
medroxyprogesterone acetate [no description available] | 1.96 | 1 | 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 |
veratridine [no description available] | 3.32 | 6 | 0 | steroid | sodium channel modulator |
valine Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 1.95 | 1 | 0 | L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid; valine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
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. | 1.98 | 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] | 2.07 | 1 | 0 | 17beta-hydroxy steroid; aromatic ether; terminal acetylenic compound | prodrug; xenoestrogen |
alizarin [no description available] | 3.1 | 1 | 0 | dihydroxyanthraquinone | chromophore; dye; plant metabolite |
cordycepin [no description available] | 1.96 | 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. | 2.07 | 1 | 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 |
nifenalol nifenalol: adrenergic beta-blocker with good antiarrhythmic properties; also tends to lower blood pressure & provide protection against angina; minor descriptor (75-86); on-line & INDEX MEDICUS search ETHANOLAMINES (75-86); RN given refers to parent cpd without isomeric designation | 1.96 | 1 | 0 | C-nitro compound | |
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. | 3.79 | 11 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
ethylamine ethylamine : A two-carbon primary aliphatic amine. | 2.39 | 2 | 0 | primary aliphatic amine | human metabolite |
acetonitrile acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2.04 | 1 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
nitromethane nitromethane: structure. nitromethane : A primary nitroalkane that is methane in which one of the hydrogens is replace by a nitro group. A polar solvent (b.p. 101 degreeC), it is an important starting material in organic synthesis. It is also used as a fuel for rockets and radio-controlled models. | 2.04 | 1 | 0 | primary nitroalkane; volatile organic compound | EC 4.3.1.3 (histidine ammonia-lyase) inhibitor; explosive; NMR chemical shift reference compound; polar aprotic solvent |
tetramethylammonium tetramethylammonium: RN given refers to parent cpd. tetramethylammonium : The simplest quaternary ammonium cation, comprising a central nitrogen linked to four methyl groups. | 1.96 | 1 | 0 | quaternary ammonium ion | |
tert-butyl alcohol tert-Butyl Alcohol: An isomer of butanol that contains a tertiary butyl group that consists of three methyl groups, each separately attached to a central (tertiary) carbon.. tert-butanol : A tertiary alcohol alcohol that is isobutane substituted by a hydroxy group at position 2. | 2.02 | 1 | 0 | tertiary alcohol | human xenobiotic metabolite |
1,1,1-trifluoro-2-chloroethane 1,1,1-trifluoro-2-chloroethane: volatile metabolite of halothane | 1.99 | 1 | 0 | organofluorine compound | |
pivalic acid pivalic acid: RN given refers to parent cpd; structure. pivalic acid : A branched, short-chain fatty acid composed of propanoic acid having two methyl substituents at the 2-position. | 2 | 1 | 0 | branched-chain saturated fatty acid; methyl-branched fatty acid; short-chain fatty acid | |
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. | 2.02 | 1 | 0 | monocarboxylic acid; organochlorine compound | carcinogenic agent; metabolite; mouse metabolite |
mepenzolate bromide [no description available] | 2.07 | 1 | 0 | diarylmethane | |
phencyclidine Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 4.28 | 4 | 1 | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
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) | 1.98 | 1 | 0 | primary amino compound; triol | buffer |
linalool linalool: RN given refers to parent cpd without isomeric designation; structure. linalool : A monoterpenoid that is octa-1,6-diene substituted by methyl groups at positions 3 and 7 and a hydroxy group at position 3. It has been isolated from plants like Ocimum canum. | 3.1 | 1 | 0 | monoterpenoid; tertiary alcohol | antimicrobial agent; fragrance; plant metabolite; volatile oil component |
isobutyl alcohol isobutyl alcohol: RN given refers to parent cpd | 2.41 | 2 | 0 | alkyl alcohol; primary alcohol | Saccharomyces cerevisiae metabolite |
methylethyl ketone methylethyl ketone: solvent; colorless synthetic resins, smokeless powders; may be irritating to eyes, mucous membranes; may be toxic in high concentrations; structure. butanone : Any ketone that is butane substituted by an oxo group at unspecified position.. butan-2-one : A dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. | 2.41 | 2 | 0 | butanone; dialkyl ketone; methyl ketone; volatile organic compound | bacterial metabolite; polar aprotic solvent |
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. | 2.36 | 2 | 0 | chloroethenes | inhalation anaesthetic; mouse metabolite |
methyl acetate methyl acetate : An acetate ester resulting from the formal condensation of acetic acid with methanol. A low-boiling (57 degreeC) colourless, flammable liquid, it is used as a solvent for many resins and oils. | 2.02 | 1 | 0 | acetate ester; methyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; fragrance; polar aprotic solvent |
dichloroacetic acid [no description available] | 2.02 | 1 | 0 | monocarboxylic acid; organochlorine compound | astringent; marine 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. | 2.52 | 2 | 0 | pantothenic acid; vitamin B5 | antidote to curare poisoning; geroprotector; human blood serum metabolite |
sulfachlorpyridazine Sulfachlorpyridazine: A sulfonamide antimicrobial used for urinary tract infections and in veterinary medicine.. sulfachloropyridazine : A sulfonamide antimicrobial used for urinary tract infections and in veterinary medicine. | 2.07 | 1 | 0 | organochlorine compound; pyridazines; sulfonamide | antibacterial drug; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
taurocholic acid Taurocholic Acid: The product of conjugation of cholic acid with taurine. Its sodium salt is the chief ingredient of the bile of carnivorous animals. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as a cholagogue and cholerectic.. taurocholate : An organosulfonate oxoanion that is the conjugate base of taurocholic acid.. taurocholic acid : A bile acid taurine conjugate of cholic acid that usually occurs as the sodium salt of bile in mammals. | 3.05 | 5 | 0 | amino sulfonic acid; bile acid taurine conjugate | human metabolite |
1,4-dihydroxyanthraquinone 1,4-dihydroxyanthraquinone: structure given in first source. quinizarin : A dihydroxyanthraquinone having the two hydroxy substituents at the 1- and 4-positions; formally derived from anthraquinone by replacement of two hydrogen atoms by hydroxy groups | 3.1 | 1 | 0 | dihydroxyanthraquinone | dye |
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. | 4.51 | 4 | 0 | N-alkylpiperazine | antiemetic; central nervous system depressant; cholinergic antagonist; H1-receptor antagonist; local anaesthetic |
methylprednisolone Methylprednisolone: A PREDNISOLONE derivative with similar anti-inflammatory action.. 6alpha-methylprednisolone : The 6alpha-stereoisomer of 6-methylprednisolone. | 2.9 | 4 | 0 | 6-methylprednisolone; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antiemetic; environmental contaminant; neuroprotective agent; xenobiotic |
2,6-dihydroxyanthraquinone 2,6-dihydroxyanthraquinone: structure given in first source. anthraflavic acid : A dihydroxyanthraquinone that is anthracene substituted by hydroxy groups at C-3 and C-7 and oxo groups at C-9 and C-10. | 3.1 | 1 | 0 | dihydroxyanthraquinone | antimutagen; plant metabolite |
9,10-anthraquinone 9,10-anthraquinone : An anthraquinone that is anthracene in which positions 9 and 10 have been oxidised to carbonyls. | 3.1 | 1 | 0 | anthraquinone | |
brompheniramine Brompheniramine: Histamine H1 antagonist used in treatment of allergies, rhinitis, and urticaria.. brompheniramine : Pheniramine in which the hydrogen at position 4 of the phenyl substituent is substituted by bromine. A histamine H1 receptor antagonist, brompheniramine is used (commonly as its maleate salt) for the symptomatic relief of allergic conditions, including rhinitis and conjunctivitis. | 3.48 | 8 | 0 | organobromine compound; pyridines | anti-allergic agent; H1-receptor antagonist |
phensuximide phensuximide: major descriptor (73-84); on-line search SUCCINIMIDES (73-84); Index Medicus search PHENSUXIMIDE (73-84); RN given refers to cpd without isomeric designation | 2.07 | 1 | 0 | pyrrolidines | |
propoxycaine Propoxycaine: A local anesthetic of the ester type that has a rapid onset of action and a longer duration of action than procaine hydrochloride. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1017) | 1.96 | 1 | 0 | benzoate ester | |
dimethisoquin [no description available] | 2.4 | 2 | 0 | isoquinolines | |
2,6-dichlorophenol 2,6-dichlorophenol: RN given refers to unlabeled cpd. 2,6-dichlorophenol : A dichlorophenol with the chloro substituents at positions 2 and 6. | 2.02 | 1 | 0 | dichlorophenol | |
2-tert-butylphenol [no description available] | 2.02 | 1 | 0 | alkylbenzene | |
2-isopropylphenol 2-isopropylphenol: structure given in first source. 2-isopropylphenol : A member of the class of phenols carrying an isopropyl group at position 2. | 2.02 | 1 | 0 | phenols | |
2-nitroaniline [no description available] | 2.02 | 1 | 0 | | |
2-nitrophenol nitrophenol : Any member of the class of phenols or substituted phenols carrying at least 1 nitro group. | 2.02 | 1 | 0 | 2-nitrophenols | |
picryl chloride Picryl Chloride: A hapten that generates suppressor cells capable of down-regulating the efferent phase of trinitrophenol-specific contact hypersensitivity. (Arthritis Rheum 1991 Feb;34(2):180).. 1-chloro-2,4,6-trinitrobenzene : The C-nitro compound that is chlorobenzene with three nitro substituents in the 2-, 4- and 6-positions. | 3.56 | 2 | 0 | C-nitro compound; monochlorobenzenes | allergen; epitope; explosive; hapten |
thymol Thymol: A phenol obtained from thyme oil or other volatile oils used as a stabilizer in pharmaceutical preparations, and as an antiseptic (antibacterial or antifungal) agent.. thymol : A phenol that is a natural monoterpene derivative of cymene. | 3.51 | 2 | 0 | monoterpenoid; phenols | volatile oil component |
1-naphthol 1-naphthol: RN given refers to parent cpd. 1-naphthol : A naphthol carrying a hydroxy group at position 1.. hydroxynaphthalene : Any member of the class of naphthalenes that is naphthalene carrying one or more hydroxy groups. | 3.51 | 2 | 0 | naphthol | genotoxin; human xenobiotic metabolite |
2-aminodiphenyl aminobiphenyl : Any member of the class of biphenyls in which the biphenyl skeleton is substituted by at least one amino group. | 3.1 | 1 | 0 | | |
2-phenylphenol 2-phenylphenol: RN given refers to parent cpd; structure. biphenyl-2-ol : A member of the class of hydroxybiphenyls that is biphenyl substituted by a hydroxy group at position 2. It is generally used as a post-harvest fungicide for citrus fruits. | 3.1 | 1 | 0 | hydroxybiphenyls | antifungal agrochemical; environmental food contaminant |
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. | 2.05 | 1 | 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 |
quinoxalines quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 3.12 | 5 | 0 | mancude organic heterobicyclic parent; naphthyridine; ortho-fused heteroarene | |
quinoline [no description available] | 3.81 | 3 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinolines | |
2-naphthylamine 2-Naphthylamine: A naphthalene derivative with carcinogenic action.. 2-naphthylamine : A naphthylamine carrying the amino group at position 2. | 3.1 | 1 | 0 | naphthylamine | carcinogenic agent |
thenyldiamine thenyldiamine: structure | 2.66 | 3 | 0 | dialkylarylamine; tertiary amino compound | |
phenyltoloxamine phenyltoloxamine: RN given refers to parent cpd; structure | 1.98 | 1 | 0 | diarylmethane | |
phenidone phenidone: photographic developer; RN given refers to parent cpd; structure | 2.66 | 3 | 0 | | |
diphenyl diphenyl: RN given refers to unlabeled cpd; structure | 2.02 | 1 | 0 | aromatic fungicide; benzenes; biphenyls | antifungal agrochemical; antimicrobial food preservative |
4-biphenylamine 4-biphenylamine: used in detection of sulfates, & as a carcinogen in cancer research; RN given refers to parent cpd; structure. biphenyl-4-amine : An aminobiphenyl that is biphenyl substituted by an amino group at position 4. | 3.1 | 1 | 0 | aminobiphenyl | carcinogenic agent |
4-phenylphenol 4-phenylphenol: RN given refers to cpd without isomeric designation. biphenyl-4-ol : A member of the class of hydroxybiphenyls that is biphenyl carrying a hydroxy group at position 4. | 3.1 | 1 | 0 | hydroxybiphenyls | |
xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 1.99 | 1 | 0 | xanthene | |
phenothiazine 10H-phenothiazine : The 10H-tautomer of phenothiazine. | 1.93 | 1 | 0 | phenothiazine | ferroptosis inhibitor; plant metabolite; radical scavenger |
benzidine benzidine: RN given refers to parent cpd. benzidine : A member of the class of biphenyls that is 1,1'-biphenyl in which the hydrogen at the para-position of each phenyl group has been replaced by an amino group. | 3.1 | 1 | 0 | biphenyls; substituted aniline | carcinogenic agent |
4,4'-dihydroxybiphenyl biphenyl-4,4'-diol : A member of the class of hydroxybiphenyls that is biphenyl with hydroxy groups at positions 4 and 4'. | 3.1 | 1 | 0 | hydroxybiphenyls | |
methyl benzoate methyl benzoate : A benzoate ester obtained by condensation of benzoic acid and methanol. | 2.02 | 1 | 0 | benzoate ester; methyl ester | insect attractant; metabolite |
synephrine [no description available] | 2.07 | 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) | 3.1 | 1 | 0 | benzoate ester; paraben; phenols | antifungal agent; antimicrobial agent |
parethoxycaine [no description available] | 1.96 | 1 | 0 | benzoate ester | |
benzothiazole benzothiazole: structure. benzothiazole : An organic heterobicyclic compound that is a fusion product between benzene and thiazole. The parent of the class of benzothiazoles. | 2.04 | 1 | 0 | benzothiazoles | environmental contaminant; plant metabolite; xenobiotic |
2-toluidine 2-toluidine: RN given refers to parent cpd. o-toluidine : An aminotoluene in which the amino substituent is ortho to the methyl group. | 2.02 | 1 | 0 | aminotoluene | carcinogenic agent |
2-bromophenol bromophenol : A halophenol that is any phenol containing one or more covalently bonded bromine atoms. | 2.02 | 1 | 0 | bromophenol | marine metabolite |
2-chlorophenol chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms. | 2.02 | 1 | 0 | 2-halophenol; monochlorophenol | |
3,4-dimethylphenol 3,4-dimethylphenol: RN given refers to parent cpd. 3,4-xylenol : A member of the class of phenols that is phenol substituted by methyl groups at positions 3 and 4. | 2.02 | 1 | 0 | phenols | |
2,5-xylenol 2,5-xylenol : A member of the class of phenols that phenol substituted by methyl groups at positions 2 and 5. | 2.02 | 1 | 0 | phenols | animal metabolite; volatile oil component |
3-methylpentane 3-methylpentane : An alkane that is pentane which is substituted by a methyl group at position 3. It is used as a solvent in organic synthesis, as a lubricant and as a raw material for producing carbon black. | 1.99 | 1 | 0 | alkane; volatile organic compound | allelochemical; human metabolite; non-polar solvent |
methylcyclopentane methylcyclopentane: toxic; RN 96-37-7. methylcyclopentane : A cycloalkane that is cyclopentane substituted by a single methyl group. | 1.99 | 1 | 0 | cycloalkane; volatile organic compound | human metabolite; plant metabolite |
butylphen butylphen: irritant; structure. 4-tert-butylphenol : A member of the class of phenols that is phenol substituted with a tert-butyl group at position 4. | 3.51 | 2 | 0 | phenols | allergen |
acetophenone acetophenone : A methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group. | 2.44 | 2 | 0 | acetophenones | animal metabolite; photosensitizing agent; xenobiotic |
nitrobenzene nitrobenzene : A nitroarene consisting of benzene carrying a single nitro substituent. An industrial chemical used widely in the production of aniline. | 2.44 | 2 | 0 | nitroarene; nitrobenzenes | |
3-nitroaniline 3-nitroaniline: used as a sole source of nitrogen , carbon and energy | 2.02 | 1 | 0 | | |
sym-trinitrobenzene Trinitrobenzenes: Benzene derivatives which are substituted with three nitro groups in any position.. 1,3,5-trinitrobenzene : A trinitrobenzene in which each of the nitro groups is meta- to the other two. | 2.01 | 1 | 0 | trinitrobenzene | explosive |
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. | 3.1 | 1 | 0 | paraben | antifungal agent; antimicrobial food preservative; neuroprotective agent; plant metabolite |
4-isopropylphenol [no description available] | 3.1 | 1 | 0 | phenols | flavouring agent |
4-hydroxyacetophenone 4-hydroxyacetophenone: promotes secretion of bile & bile salts, which promotes griseofulvin absorption in the duodenum. 4'-hydroxyacetophenone : A monohydroxyacetophenone carrying a hydroxy substituent at position 4'. | 3.1 | 1 | 0 | monohydroxyacetophenone | fungal metabolite; mouse metabolite; plant metabolite |
4-nitroaniline [no description available] | 2.02 | 1 | 0 | nitroaniline | bacterial xenobiotic metabolite |
4-anisic acid 4-methoxybenzoic acid: structure in first source. 4-methoxybenzoic acid : A methoxybenzoic acid substituted with a methoxy group at position C-4. | 2.02 | 1 | 0 | methoxybenzoic acid | plant metabolite |
benzylamine aminotoluene : Any member of the class of toluenes carrying one or more amino groups. | 2.4 | 2 | 0 | aralkylamine; primary amine | allergen; EC 3.5.5.1 (nitrilase) inhibitor; plant metabolite |
benzonitrile benzonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a phenyl group. | 2.44 | 2 | 0 | benzenes; nitrile | |
4-cyanopyridine 4-cyanopyridine: spectroscopic probe for cytochrome P450 BM3 | 2.04 | 1 | 0 | | |
methylaniline methylaniline: RN given refers to parent cpd. methylaniline : A substituted aniline carrying one or more methyl groups at unspecified positions. | 2.02 | 1 | 0 | methylaniline; phenylalkylamine; secondary amine | |
anisole anisole : A monomethoxybenzene that is benzene substituted by a methoxy group. | 2.44 | 2 | 0 | monomethoxybenzene | plant metabolite |
methylphenylsulfide thioanisole : An aryl sulfide that is thiophenol in which the hydrogen of the thiol group has been replaced by a methyl group. | 2.02 | 1 | 0 | aryl sulfide; benzenes | |
quinuclidines Quinuclidines: A class of organic compounds which contain two rings that share a pair of bridgehead carbon atoms and contains an amine group. | 2.71 | 3 | 0 | quinuclidines; saturated organic heterobicyclic parent | |
pyridostigmine bromide Pyridostigmine Bromide: A cholinesterase inhibitor with a slightly longer duration of action than NEOSTIGMINE. It is used in the treatment of myasthenia gravis and to reverse the actions of muscle relaxants. | 2.07 | 1 | 0 | pyridinium salt | |
4-benzylphenol 4-benzylphenol: metabolite of diphenylmethane; RN given refers to parent cpd | 3.1 | 1 | 0 | | |
chlorphenesin Chlorphenesin: A centrally acting muscle relaxant. Its mode of action is unknown. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1203). chlorphenesin : Glycerol in which the hydrogen of one of the primary hydroxy groups is substituted by a 4-chlorophenyl group. It has antifungal and antibacterial properties, and is used for treatment of cutaneous and vaginal infections. Its 1-carbamate is used as a skeletal muscle relaxant for the treatment of painful muscle spasm. | 1.95 | 1 | 0 | glycol; monochlorobenzenes; propane-1,2-diols | antibacterial drug; antifungal drug; muscle relaxant |
benzonatate benzonatate: structure in Merck Index, 9th ed, #1107. benzonatate : The ester obtained by formal condensation of 4-butylaminobenzoic acid with nonaethylene glycol monomethyl ether. Structurally related to procaine and benzocaine, it has an anaesthetic effect on the stretch sensors in the lungs, and is used as a non-narcotic cough suppressant. | 2.07 | 1 | 0 | benzoate ester; secondary amino compound; substituted aniline | anaesthetic; antitussive |
2-ethylhexanol [no description available] | 3.1 | 1 | 0 | primary alcohol | plant metabolite; volatile oil component |
2,4-dimethylphenol 2,4-dimethylphenol: RN given refers to parent cpd. 2,4-xylenol : A member of the class of phenols that phenol substituted by methyl groups at positions 2 and 4. | 2.02 | 1 | 0 | aromatic fungicide; phenols | disinfectant; volatile oil component |
4-bromophenol 4-bromophenol : A bromophenol containing only hydroxy and bromo substituents that are para to one another. | 2.02 | 1 | 0 | bromophenol | human urinary metabolite; human xenobiotic metabolite; marine metabolite; mouse metabolite; persistent organic pollutant; rat metabolite |
4-chloroaniline 4-chloroaniline: RN given refers to parent cpd; structure. 4-chloroaniline : A chloroaniline in which the chloro atom is para to the aniline amino group. | 2.02 | 1 | 0 | chloroaniline; monochlorobenzenes | |
4-toluidine 4-toluidine: RN given refers to parent cpd. p-toluidine : An aminotoluene in which the amino substituent is para to the methyl group. | 2.02 | 1 | 0 | aminotoluene | |
propylamine propylamine : A member of the class of alkylamines that is propane substituted by an amino group at C-1. | 2.02 | 1 | 0 | alkylamines | |
2-methylpentane Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. | 1.99 | 1 | 0 | alkane | |
2-pentanone pentanone : Any ketone that is pentane substituted by an oxo group at unspecified position. | 2.02 | 1 | 0 | methyl ketone; pentanone | plant metabolite |
3-chloroaniline 3-chloroaniline: RN given refers to parent cpd | 2.02 | 1 | 0 | | |
3-chlorophenol 3-chlorophenol : A monochlorophenol carrying the chloro substituent at position 3. | 2.02 | 1 | 0 | monochlorophenol | |
3,5-xylenol 3,5-xylenol: RN given refers to 3,5-isomer. 3,5-xylenol : A member of the class of phenols that phenol substituted by methyl groups at positions 3 and 5. | 2.02 | 1 | 0 | phenols | xenobiotic metabolite |
bromobenzene [no description available] | 2.02 | 1 | 0 | bromoarene; bromobenzenes; volatile organic compound | hepatotoxic agent; mouse metabolite; non-polar solvent |
chlorobenzene [no description available] | 2.02 | 1 | 0 | monochlorobenzenes | solvent |
2-chloropyridine 2-chloropyridine: structure given in first source | 2.04 | 1 | 0 | monochloropyridine | |
propyl acetate propyl acetate: affects aggression without affecting motor activity; RN given refers to parent cpd. propyl acetate : An acetate ester obtained by the formal condensation of acetic acid with propanol. | 2.02 | 1 | 0 | acetate ester | fragrance; plant metabolite |
pentane Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 2.41 | 2 | 0 | alkane; volatile organic compound | non-polar solvent; refrigerant |
n-butylamine n-butylamine: RN given refers to parent cpd. butan-1-amine : A primary aliphatic amine that is butane substituted by an amino group at position 1. | 2.02 | 1 | 0 | primary aliphatic amine | |
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. | 2.74 | 3 | 0 | pyrrole; secondary amine | |
tetrahydrofuran oxolane : A cyclic ether that is butane in which one hydrogen from each methyl group is substituted by an oxygen. | 2.04 | 1 | 0 | cyclic ether; oxolanes; saturated organic heteromonocyclic parent; volatile organic compound | polar aprotic solvent |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.66 | 3 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
n-hexane hexane : An unbranched alkane containing six carbon atoms. | 1.99 | 1 | 0 | alkane; volatile organic compound | neurotoxin; non-polar solvent |
1-hexanol 1-hexanol: RN given refers to parent cpd. hexanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of six carbon atoms.. hexan-1-ol : A primary alcohol that is hexane substituted by a hydroxy group at position 1. | 2.02 | 1 | 0 | hexanol; primary alcohol | alarm pheromone; antibacterial agent; fragrance; plant metabolite |
heptanol Heptanol: A colorless liquid with a fragrant odor. It is used as an intermediate, solvent and in cosmetics.. heptanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of seven carbon atoms.. heptan-1-ol : A primary alcohol that is heptane substituted by a hydroxy group at position 1. It has been isolated from Capillipedium parviflorum. | 2.02 | 1 | 0 | heptanol; primary alcohol | flavouring agent; fragrance; gap junctional intercellular communication inhibitor; plant metabolite |
neostigmine bromide neostigmine bromide : The bromide salt of neostigmine. | 2.75 | 3 | 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. | 2.07 | 1 | 0 | biguanides | antineoplastic agent; geroprotector; hypoglycemic agent |
2,2,2-trichloroethanol [no description available] | 3.1 | 1 | 0 | chloroethanol | mouse metabolite |
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. | 1.96 | 1 | 0 | barbiturates | anticonvulsant |
anthrarufin 1,5-dihydroxyanthraquinone: used in ferric ion sensing as an inclusion complex with beta-cyclodextrin; structure in first source. anthrarufin : A dihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1 and 5. | 3.1 | 1 | 0 | dihydroxyanthraquinone | |
3,4,5-trimethoxybenzoic acid 3,4,5-trimethoxybenzoic acid: RN given refers to parent cpd; structure. 3,4,5-trimethoxybenzoic acid : A benzoic acid derivative carrying 3-, 4- and 5-methoxy substituents. | 1.99 | 1 | 0 | benzoic acids; methoxybenzenes | human urinary metabolite; human xenobiotic metabolite; plant metabolite |
2-toluic acid 2-toluic acid: RN given refers to parent cpd; structure. o-toluic acid : A methylbenzoic acid that is benzoic acid substituted by a methyl group at position 2. | 3.1 | 1 | 0 | methylbenzoic acid | xenobiotic metabolite |
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. | 2.94 | 4 | 0 | aminoglycoside | allergen; antibacterial drug; Escherichia coli metabolite |
isoquinoline [no description available] | 2.44 | 2 | 0 | azaarene; isoquinolines; mancude organic heterobicyclic parent; ortho-fused heteroarene | |
ethyl-p-hydroxybenzoate ethyl-p-hydroxybenzoate: structure | 3.1 | 1 | 0 | ethyl ester; paraben | antifungal agent; antimicrobial food preservative; phytoestrogen; plant metabolite |
3-tert-butyl-4-hydroxyanisole 3-tert-butyl-4-hydroxyanisole : An aromatic ether that is 4-methoxyphenol in which one of the hydrogens ortho- to the phenolic hydroxy group is replaced by a tert-butyl group. | 3.1 | 1 | 0 | aromatic ether; phenols | antioxidant; human xenobiotic metabolite |
3-nitrobenzoic acid 3-nitrobenzoic acid: RN given refers to parent cpd | 2.02 | 1 | 0 | | |
cinchophen cinchophen: was heading 1963-94; ACIPHENOCHINOLIUM was see CHINOPHEN 1978-94; use QUINOLINES to search CINCHOPHEN 1966-94 | 2.07 | 1 | 0 | quinolines | |
chloroprocaine chloroprocaine: RN given refers to parent cpd; structure. chloroprocaine : Procaine in which one of the hydrogens ortho- to the carboxylic acid group is substituted by chlorine. It is used as its monohydrochloride salt as a local anaesthetic, particularly for oral surgery. It has the advantage over lidocaine of constricting blood vessels, so reducing bleeding. | 2.07 | 1 | 0 | benzoate ester; monochlorobenzenes | central nervous system depressant; local anaesthetic; peripheral nervous system drug |
1-naphthylamine 1-Naphthylamine: A suspected industrial carcinogen (and listed as such by OSHA). Its N-hydroxy metabolite is strongly carcinogenic and mutagenic.. naphthylamine : A primary arylamine that is naphthalene substituted by an amino group at unspecified position.. 1-naphthylamine : A naphthylamine that is naphthalene substituted by an amino group at position 1. | 3.1 | 1 | 0 | naphthylamine | human xenobiotic metabolite |
2-naphthol 2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 3.99 | 4 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
shikimic acid Shikimic Acid: A tri-hydroxy cyclohexene carboxylic acid important in biosynthesis of so many compounds that the shikimate pathway is named after it.. shikimic acid : A cyclohexenecarboxylic acid that is cyclohex-1-ene-1-carboxylic acid substituted by hydroxy groups at positions 3, 4 and 5 (the 3R,4S,5R stereoisomer). It is an intermediate metabolite in plants and microorganisms. | 3.1 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; cyclohexenecarboxylic acid; hydroxy monocarboxylic acid | Escherichia coli metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
citronellol citronellol: alcohol form of citronellal; found in rose oil; RN given refers to parent cpd without isomeric designation; structure. citronellol : A monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7.. insect repellent : An insecticide that acts as a repellent to insects. | 3.1 | 1 | 0 | monoterpenoid | plant metabolite |
ethyl acetate ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 2.44 | 2 | 0 | acetate ester; ethyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; metabolite; polar aprotic solvent; Saccharomyces cerevisiae metabolite |
hexanoic acid hexanoic acid : A C6, straight-chain saturated fatty acid. | 3.51 | 2 | 0 | medium-chain fatty acid; straight-chain saturated fatty acid | human metabolite; plant metabolite |
n-heptane Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 1.99 | 1 | 0 | alkane; volatile organic compound | non-polar solvent; plant metabolite |
sodium cyanide Sodium Cyanide: A highly poisonous compound that is an inhibitor of many metabolic processes and is used as a test reagent for the function of chemoreceptors. It is also used in many industrial processes.. sodium cyanide : A cyanide salt containing equal numbers of sodium cations and cyanide anions. | 2.03 | 1 | 0 | cyanide salt; one-carbon compound; sodium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor |
pregnenolone [no description available] | 3.51 | 2 | 0 | 20-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; C21-steroid | human metabolite; mouse metabolite |
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. | 4.46 | 22 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | alpha-adrenergic antagonist; dopamine receptor D2 antagonist; serotonergic antagonist |
2-chloroadenosine 5-chloroformycin A: structure given in first source | 2.89 | 4 | 0 | purine nucleoside | |
diphenhydramine hydrochloride Antitussive Agents: Agents that suppress cough. They act centrally on the medullary cough center. EXPECTORANTS, also used in the treatment of cough, act locally.. diphenhydramine hydrochloride : The hydrochloride salt of diphenhydramine. | 2.05 | 1 | 0 | hydrochloride; organoammonium salt | anti-allergic agent; antiemetic; antiparkinson drug; antipruritic drug; H1-receptor antagonist; local anaesthetic; muscarinic antagonist; sedative |
nafcillin Nafcillin: A semi-synthetic antibiotic related to penicillin.. nafcillin : A penicillin in which the substituent at position 6 of the penam ring is a (2-ethoxy-1-naphthoyl)amino group. | 2.02 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
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. | 3.53 | 2 | 0 | dithiocarbamic acids | chelator; copper chelator |
3-hydroxyanisole 3-hydroxyanisole: structure in first source. 3-methoxyphenol : A member of the class of phenols that is phenol having a methoxy-substituent at the 3-position. | 2.02 | 1 | 0 | monomethoxybenzene; phenols | |
mequinol mequinol: depigmenting agent; RN given refers to parent cpd | 3.51 | 2 | 0 | methoxybenzenes; phenols | metabolite |
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. | 3.1 | 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. | 3.1 | 1 | 0 | aromatic ether; primary amino compound; substituted aniline | drug metabolite |
cinnoline cinnoline: structure in first source. cinnoline : An azaarene that is the 1,2-diaza analogue of naphthalene. The parent of the class of cinnolines. | 2.04 | 1 | 0 | azaarene; cinnolines; mancude organic heterobicyclic parent; ortho-fused heteroarene | |
quinazolines Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.46 | 2 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinazolines | |
indazoles Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | 3.59 | 9 | 0 | indazole | |
benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.46 | 2 | 0 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
adamantane Adamantane: A tricyclo bridged hydrocarbon. | 1.99 | 1 | 0 | adamantanes; polycyclic alkane | |
isoxazoles Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent. | 1.99 | 1 | 0 | isoxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazoles [no description available] | 5.13 | 46 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
propantheline bromide [no description available] | 2.07 | 1 | 0 | xanthenes | |
calcium gluconate [no description available] | 6.93 | 1 | 0 | calcium salt | nutraceutical |
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. | 2.89 | 4 | 0 | phenethylamine alkaloid; phenylethanolamines | bacterial metabolite; environmental contaminant; nasal decongestant; plant metabolite; sympathomimetic agent; vasoconstrictor agent; xenobiotic |
hydrazine diamine : Any polyamine that contains two amino groups. | 2.39 | 2 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
hemicholinium 3 Hemicholinium 3: A potent inhibitor of the high affinity uptake system for CHOLINE. It has less effect on the low affinity uptake system. Since choline is one of the components of ACETYLCHOLINE, treatment with hemicholinium can deplete acetylcholine from cholinergic terminals. Hemicholinium 3 is commonly used as a research tool in animal and in vitro experiments. | 2.67 | 3 | 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. | 3.49 | 8 | 0 | organic sodium salt | fluorochrome; histological dye; sodium channel blocker; teratogenic agent |
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. | 4.31 | 6 | 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. | 2.04 | 1 | 0 | N-glycosyl-1,3,5-triazine; nucleoside analogue | antineoplastic agent |
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. | 6.89 | 91 | 0 | ergoline alkaloid | |
phenylbenzoquinone phenylbenzoquinone: RN given refers to parent cpd | 2.38 | 2 | 0 | | |
3-fluorophenol 3-fluorophenol: structure in first source | 2.02 | 1 | 0 | | |
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) | 3.34 | 1 | 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 |
4-hydroxyphenobarbital [no description available] | 3.1 | 1 | 0 | barbiturates | |
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) | 2.37 | 2 | 0 | diarylmethane | |
fluroxene fluroxene: was heading 1973-94; use ETHERS to search FLUROXENE 1973-94 | 1.99 | 1 | 0 | organofluorine compound | |
fluorometholone Fluorometholone: A glucocorticoid employed, usually as eye drops, in the treatment of allergic and inflammatory conditions of the eye. It has also been used topically in the treatment of various skin disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p732). fluorometholone : A member of the class of glucocorticoids that is Delta(1)-progesterone substituted at positions 11beta and 17 by hydroxy groups, at position 6alpha by a methyl group and at position 9 by a fluoro group. Used for the treatment of corticosteroid-responsive inflammation of the palpebral and bulbar conjunctiva, cornea and anterior segment of the globe. | 2.07 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; glucocorticoid; tertiary alpha-hydroxy ketone | anti-inflammatory drug |
lithocholic acid Lithocholic Acid: A bile acid formed from chenodeoxycholate by bacterial action, usually conjugated with glycine or taurine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as cholagogue and choleretic.. lithocholic acid : A monohydroxy-5beta-cholanic acid with a alpha-hydroxy substituent at position 3. It is a bile acid obtained from chenodeoxycholic acid by bacterial action.. lithocholate : A bile acid anion that is the conjugate base of lithocholic acid. | 3.1 | 1 | 0 | bile acid; C24-steroid; monohydroxy-5beta-cholanic acid | geroprotector; human metabolite; mouse metabolite |
dicyandiamido dicyandiamido: RN given refers to parent cpd; structure. cyanoguanidine : A guanidine in which one of the amino hydrogens of guanidine itself is substituted by a cyano group. It is used in the manufacture of fertilizers, pharmaceuticals, explosives, oil well drilling muds, and dyestuffs. | 2.42 | 2 | 0 | guanidines; nitrile | curing agent; explosive; fertilizer; flame retardant; nitrification inhibitor |
fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.02 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
ketobemidone ketobemidone: structure | 1.96 | 1 | 0 | piperidines | |
glycyrrhetinic acid [no description available] | 2.07 | 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. | 3.5 | 2 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
epitestosterone Epitestosterone: The 17-alpha isomer of TESTOSTERONE, derived from PREGNENOLONE via the delta5-steroid pathway, and via 5-androstene-3-beta,17-alpha-diol. Epitestosterone acts as an antiandrogen in various target tissues. The ratio between testosterone/epitestosterone is used to monitor anabolic drug abuse.. epitestosterone : An androstanoid that is the C-17 epimer of testosterone. | 3.1 | 1 | 0 | 17alpha-hydroxy steroid; 3-oxo-Delta(4) steroid; androstanoid | androgen antagonist; human metabolite |
chrysophanic acid chrysophanic acid: RN given refers to parent cpd; structure in Merck, 9th ed, #2260. chrysophanol : A trihydroxyanthraquinone that is chrysazin with a methyl substituent at C-3. It has been isolated from Aloe vera and exhibits antiviral and anti-inflammatory activity. | 3.1 | 1 | 0 | dihydroxyanthraquinone | anti-inflammatory agent; antiviral agent; plant 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. | 2.67 | 3 | 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) | 2.07 | 1 | 0 | phthalazines | |
cytisine [no description available] | 1.96 | 1 | 0 | alkaloid; bridged compound; lactam; organic heterotricyclic compound; secondary amino compound | nicotinic acetylcholine receptor agonist; phytotoxin; plant metabolite |
bicuculline Bicuculline: An isoquinoline alkaloid obtained from Dicentra cucullaria and other plants. It is a competitive antagonist for GABA-A receptors.. bicuculline : A benzylisoquinoline alkaloid that is 6-methyl-5,6,7,8-tetrahydro[1,3]dioxolo[4,5-g]isoquinoline which is substituted at the 5-pro-S position by a (6R)-8-oxo-6,8-dihydrofuro[3,4-e][1,3]benzodioxol-6-yl group. A light-sensitive competitive antagonist of GABAA receptors. It was originally identified in 1932 in plant alkaloid extracts and has been isolated from Dicentra cucullaria, Adlumia fungosa, Fumariaceae, and several Corydalis species. | 2.68 | 3 | 0 | benzylisoquinoline alkaloid; isoquinoline alkaloid; isoquinolines | agrochemical; central nervous system stimulant; GABA-gated chloride channel antagonist; GABAA receptor antagonist; neurotoxin |
kainic acid Kainic Acid: (2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose. | 2.73 | 3 | 0 | dicarboxylic acid; L-proline derivative; non-proteinogenic L-alpha-amino acid; pyrrolidinecarboxylic acid | antinematodal drug; excitatory amino acid agonist |
bufotenin Bufotenin: A hallucinogenic serotonin analog found in frog or toad skins, mushrooms, higher plants, and mammals, especially in the brains, plasma, and urine of schizophrenics. Bufotenin has been used as a tool in CNS studies and misused as a psychedelic.. bufotenin : A tertiary amine that consists of N,N-dimethyltryptamine bearing an additional hydroxy substituent at position 5. | 2.37 | 2 | 0 | tertiary amine; tryptamine alkaloid | coral metabolite; hallucinogen |
fructose-1,6-diphosphate beta-D-fructofuranose 1,6-bisphosphate : A D-fructofuranose 1,6-bisphosphate with a beta-configuration at the anomeric position. | 1.96 | 1 | 0 | D-fructofuranose 1,6-bisphosphate | mouse metabolite |
pamaquine pamaquine: structure; RN given refers to parent cpd | 1.96 | 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. | 3.22 | 6 | 0 | amphetamines; phenethylamine alkaloid | plant metabolite |
methaphenilene methaphenilene: RN given refers to parent cpd | 1.96 | 1 | 0 | benzenes | |
carvacrol carvacrol : A phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). | 3.1 | 1 | 0 | botanical anti-fungal agent; p-menthane monoterpenoid; phenols | agrochemical; antimicrobial agent; flavouring agent; TRPA1 channel agonist; volatile oil component |
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. | 9.83 | 108 | 5 | | |
thiazolidines Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.67 | 3 | 0 | thiazolidine | |
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. | 3.1 | 1 | 0 | 17beta-hydroxy steroid; 3beta-hydroxy-Delta(5)-steroid | androgen; human metabolite; mouse metabolite; radiation protective agent |
dihydrotestosterone Dihydrotestosterone: A potent androgenic metabolite of TESTOSTERONE. It is produced by the action of the enzyme 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE.. 17beta-hydroxyandrostan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4-5 double bond has been reduced to a single bond with unspecified configuration at position 5.. 17beta-hydroxy-5alpha-androstan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4,5 double bond has been reduced to a single bond with alpha-configuration at position 5. | 3.48 | 2 | 0 | 17beta-hydroxy steroid; 17beta-hydroxyandrostan-3-one; 3-oxo-5alpha-steroid | androgen; Daphnia magna metabolite; human metabolite; mouse metabolite |
luminol Luminol: 5-Amino-2,3-dihydro-1,4-phthalazinedione. Substance that emits light on oxidation. It is used in chemical determinations. | 1.96 | 1 | 0 | | |
dimenhydrinate gravinol: has antioxidant and ant-inflammatory activities; structure in first source | 2.4 | 2 | 0 | diarylmethane | |
flavone flavone: RN given refers to unlabeled cpd; structure given in first source. flavone : The simplest member of the class of flavones that consists of 4H-chromen-4-one bearing a phenyl substituent at position 2. | 2.04 | 1 | 0 | flavones | metabolite; nematicide |
copper gluconate Gluconates: Derivatives of gluconic acid (the structural formula HOCH2(CHOH)4COOH), including its salts and esters. | 1.93 | 1 | 0 | organic molecular entity | |
trimellitic acid trimellitic acid: RN given refers to parent cpd; structure. trimellitic acid : Benzene substituted at the 1,2, and 4 positions by carboxy groups. | 1.96 | 1 | 0 | tricarboxylic acid | |
4-(benzoylamino)-2-hydroxybenzoic acid 4-(benzoylamino)-2-hydroxybenzoic acid: Bepask is calcium salt | 2.07 | 1 | 0 | benzamides | |
1,2,3,4-tetrahydro-1-naphthalenol 1,2,3,4-tetrahydro-1-naphthalenol: structure in first source | 3.1 | 1 | 0 | | |
hexylcaine hexylcaine: RN given refers to parent cpd; structure | 1.96 | 1 | 0 | benzoate ester | |
piperocaine piperocaine: RN given refers to cpd without isomeric designation; structure | 1.96 | 1 | 0 | benzoate ester | |
methoxyhydroxyphenylglycol Methoxyhydroxyphenylglycol: Synthesized from endogenous epinephrine and norepinephrine in vivo. It is found in brain, blood, CSF, and urine, where its concentrations are used to measure catecholamine turnover. | 1.98 | 1 | 0 | methoxybenzenes; phenols | |
crimidine crimidine: structure | 2.15 | 1 | 0 | organohalogen compound; pyrimidines | |
diperodon diperodon: RN given refers to parent cpd; structure given in first source | 1.96 | 1 | 0 | carbamate ester | |
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. | 3.26 | 6 | 0 | amphetamines; secondary amine | central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic |
cyclomethycaine [no description available] | 1.96 | 1 | 0 | benzoate ester | |
4-iodophenol [no description available] | 3.1 | 1 | 0 | iodophenol | |
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. | 1.97 | 1 | 0 | dialdehyde | biomarker |
myristic acid Myristic Acid: A saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat and coconut, palm, and nutmeg oils. It is used to synthesize flavor and as an ingredient in soaps and cosmetics. (From Dorland, 28th ed). tetradecanoic acid : A straight-chain, fourteen-carbon, long-chain saturated fatty acid mostly found in milk fat.. tetradecanoate : A long-chain fatty acid anion that is the conjugate base of myristic acid; major species at pH 7.3. | 3.1 | 1 | 0 | long-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; Daphnia magna metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite |
trimellitic anhydride trimellitic anhydride: structure. trimellitic anhydride : A 2-benzofuran compound having oxo groups at the 1- and 3-positions and a carboxy substituent at the 5-position; the cyclic anhydride formed from the carboxy groups at the 1- and 2-positions of trimellitic acid. | 2.39 | 2 | 0 | 2-benzofurans; cyclic dicarboxylic anhydride; dioxo monocarboxylic acid | allergen; epitope; hapten |
3-nitrophenol [no description available] | 2.02 | 1 | 0 | 3-nitrophenols | |
4-methyl-1-(1-methylethyl)-3-cyclohexen-1-ol 4-methyl-1-(1-methylethyl)-3-cyclohexen-1-ol: structure in first source. 4-terpineol : A terpineol that is 1-menthene carrying a hydroxy substituent at position 4. | 3.1 | 1 | 0 | terpineol; tertiary alcohol | anti-inflammatory agent; antibacterial agent; antineoplastic agent; antioxidant; antiparasitic agent; apoptosis inducer; plant metabolite; volatile oil component |
phenindamine phenindamine: RN given refers to parent cpd; structure | 2 | 1 | 0 | indene | |
lactulose [no description available] | 2.02 | 1 | 0 | glycosylfructose | gastrointestinal drug; laxative |
2,6-xylenol [no description available] | 2.02 | 1 | 0 | hydroxytoluene | |
3-hydroxyflavone 3-hydroxyflavone: structure given in first source. flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | 3.49 | 2 | 0 | flavonols; monohydroxyflavone | |
2-methoxybenzoic acid O-methylsalicylic acid : A methoxybenzoic acid that is the methyl ether of salicylic acid. | 2.02 | 1 | 0 | methoxybenzoic acid | flavouring agent; non-steroidal anti-inflammatory drug |
6-hydroxyquinoline quinolin-6-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 6. | 3.1 | 1 | 0 | monohydroxyquinoline | |
3-hydroxybiphenyl 3-hydroxybiphenyl: structure given in first source. biphenyl-3-ol : A member of the class of hydroxybiphenyls that is phenol in which the hydrogen at position 3 has been replaced by a phenyl group. | 3.1 | 1 | 0 | hydroxybiphenyls | |
toluene 2,4-diisocyanate Toluene 2,4-Diisocyanate: Skin irritant and allergen used in the manufacture of polyurethane foams and other elastomers.. toluene 2,4-diisocyanate : A toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 4 relative to the methyl group on the benzene ring. | 2.05 | 1 | 0 | toluene meta-diisocyanate | allergen; hapten |
diphenylamine Diphenylamine: In humans it may be irritating to mucous membranes. Methemoglobinemia has been produced experimentally. In veterinary use, it is one of active ingredients in topical agents for prevention and treatment of screwworm infestation. An indicator in tests for nitrate poisoning.. diphenylamine : An aromatic amine containing two phenyl substituents. It has been used as a fungicide for the treatment of superficial scald in apples and pears, but is no longer approved for this purpose within the European Union. | 3.1 | 1 | 0 | aromatic amine; bridged diphenyl fungicide; secondary amino compound | antifungal agrochemical; antioxidant; carotogenesis inhibitor; EC 1.3.99.29 [phytoene desaturase (zeta-carotene-forming)] inhibitor; ferroptosis inhibitor; radical scavenger |
3-methylhexane 3-methylhexane: a biliary biomarker for cholangiocarcinoma. 3-methylhexane : An alkane that is hexane substituted by a methyl group at position 3. | 1.99 | 1 | 0 | alkane; volatile organic compound | human metabolite |
3,5-dichlorophenol 3,5-dichlorophenol : A dichlorophenol in which the two chloro substituents are located at positions 3 and 5. | 2.02 | 1 | 0 | dichlorophenol | |
iodobenzene iodobenzene: RN given refers to unlabeled parent cpd | 2.02 | 1 | 0 | | |
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. | 2.02 | 1 | 0 | ketone | |
megestrol acetate [no description available] | 2.07 | 1 | 0 | 20-oxo steroid; 3-oxo-Delta(4) steroid; acetate ester; steroid ester | antineoplastic agent; appetite enhancer; contraceptive drug; progestin; synthetic oral contraceptive |
alpha-naphthoflavone alpha-naphthoflavone: inhibits P4501A1 and P4501A2; stimulates some activities of P4503A4. alpha-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the h side of flavone. A synthetic compound, it is an inhibitor of aromatase (EC 1.14.14.14). | 3.1 | 1 | 0 | extended flavonoid; naphtho-gamma-pyrone; organic heterotricyclic compound | aryl hydrocarbon receptor agonist; aryl hydrocarbon receptor antagonist; EC 1.14.14.14 (aromatase) inhibitor |
pamabrom [no description available] | 8.87 | 2 | 1 | | |
ferrocin c N-methyl-2-quinolone: structure in first source | 2.04 | 1 | 0 | | |
2-cyanophenol 2-cyanophenol: structure in first source | 2.02 | 1 | 0 | benzenes; nitrile | |
n,n-dimethylbenzamide [no description available] | 2.04 | 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. | 1.96 | 1 | 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 | 2.07 | 1 | 0 | | |
trimetozine [no description available] | 2.07 | 1 | 0 | morpholines | |
benzydamine Benzydamine: A benzyl-indazole having analgesic, antipyretic, and anti-inflammatory effects. It is used to reduce post-surgical and post-traumatic pain and edema and to promote healing. It is also used topically in treatment of RHEUMATIC DISEASES and INFLAMMATION of the mouth and throat.. benzydamine : A member of the class of indazoles carrying benzyl and 3-(dimethylamino)propyl groups at positions 1 and 3 respectively. A locally-acting nonsteroidal anti-inflammatory drug that also exhibits local anaesthetic and analgesic properties. | 1.95 | 1 | 0 | aromatic ether; indazoles; tertiary amino compound | analgesic; central nervous system stimulant; hallucinogen; local anaesthetic; non-steroidal anti-inflammatory drug |
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. | 2.72 | 3 | 0 | cyclic ketone; erythromycin | |
4-propylphenol 4-propylphenol: structure given in first source | 3.1 | 1 | 0 | alkylbenzene | |
docosanol Tadenan: from powdered bark of Pygaeum africanum (Rosaceae), see also heading for docosanol (a priciple ingredient of extract). docosan-1-ol : A long-chain primary fatty alcohol that is docosane substituted by a hydroxy group at position 1. It is a non-prescription medicine approved by the FDA to shorten healing time of cold sores.. docosanol : A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-two carbon atoms. | 2.07 | 1 | 0 | docosanol; long-chain primary fatty alcohol | antiviral drug; plant metabolite |
4-cyanophenol 4-cyanophenol: reversible monoamine oxidase inhibitor | 2.02 | 1 | 0 | phenols | EC 1.4.3.4 (monoamine oxidase) inhibitor |
triphenylphosphine oxide triphenylphosphine oxide: used in the extraction, separation & spectrophotometric determination of cadmium & mercury in environmental samples. triphenylphosphane oxide : A phosphine oxide in which the substituents on phosphorus are three phenyl groups. | 2.04 | 1 | 0 | phosphine oxide | NMR chemical shift reference compound |
hexafluoroisopropanol 1,1,1,3,3,3-hexafluoropropan-2-ol : An organofluorine compound formed by substitution of all the methyl protons in propan-2-ol by fluorine. It is a metabolite of inhalation anesthetic sevoflurane. | 3.1 | 1 | 0 | organofluorine compound; secondary alcohol | drug metabolite |
4-phenylpyridine [no description available] | 2.02 | 1 | 0 | phenylpyridine | |
diphenyl sulfoxide diphenyl sulfoxide: electron acceptor for liver aldehyde oxidase | 2.44 | 2 | 0 | sulfoxide | |
carcainium chloride carcainium chloride: lidocaine derivative with antiarrhythmic activity; structure | 1.96 | 1 | 0 | | |
4-acetylpyridine [no description available] | 2.04 | 1 | 0 | | |
tetramethylpyrazine tetramethylpyrazine: found in Ligusticum chuanxiong. tetramethylpyrazine : A member of the class of pyrazines that is pyrazine in which all four hydrogens have been replaced by methyl groups. An alkaloid extracted from Chuanxiong (Ligusticum wallichii). | 2.07 | 1 | 0 | alkaloid; pyrazines | antineoplastic agent; apoptosis inhibitor; bacterial metabolite; neuroprotective agent; platelet aggregation inhibitor; vasodilator agent |
methyl phenyl sulfoxide (methylsulfinyl)benzene : A sulfoxide resulting from the formal oxidation of the sulfur atom of thioanisole. | 2.44 | 2 | 0 | benzenes; sulfoxide | |
methdilazine methdilazine : A phenothiazine substituted on nitrogen by a (1-methylpyrrolidin-3-yl)methyl group; a first-generation antihistamine with anticholinergic properties. | 1.96 | 1 | 0 | N-alkylpyrrolidine; phenothiazines | antipruritic drug; cholinergic antagonist; histamine antagonist |
phenazocine Phenazocine: An opioid analgesic with actions and uses similar to MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1095) | 2.05 | 1 | 0 | | |
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. | 3.1 | 1 | 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 |
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) | 2.07 | 1 | 0 | 21-hydroxy steroid | |
fenchol fenchol: RN given refers to cpd with unspecified isomeric designation | 3.1 | 1 | 0 | | |
4-n-Butylphenol [no description available] | 3.1 | 1 | 0 | phenols | |
4-hydroxyazobenzene 4-hydroxyazobenzene: structure in first source | 3.1 | 1 | 0 | | |
azacyclonol azacyclonol: major descriptor (65-84); on-line search PIPERIDINES (65-84); Index Medicus search AZACYCLONOL (65-84); RN given refers to parent cpd | 1.96 | 1 | 0 | diarylmethane | |
4-nitrothiophenolate 4-nitrothiophenolate: RN given refers to parent cpd | 3.1 | 1 | 0 | | |
5 alpha-androstane-3 alpha,17 beta-diol 5alpha-androstane-3alpha,17beta-diol : The 5alpha-stereoisomer of androstane-3alpha,17beta-diol. | 3.1 | 1 | 0 | androstane-3alpha,17beta-diol | Daphnia magna metabolite; human 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 | 1 | 0 | organic cation | geroprotector; herbicide |
pristane pristane: structure. pristane : A norterpene that is an acyclic saturated hydrocarbon derived from phytane by loss of its C-16 terminal methyl group. | 1.99 | 1 | 0 | long-chain alkane; norterpene | biomarker; immunological adjuvant |
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. | 2.68 | 3 | 0 | aromatic amine; guanidines; organochlorine compound; pyrazines | diuretic; sodium channel blocker |
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. | 3.25 | 6 | 0 | benzimidazoles; heteroarylpiperidine; organofluorine compound | antidyskinesia agent; dopaminergic antagonist; first generation antipsychotic; H1-receptor antagonist; serotonergic antagonist |
benperidol Benperidol: A butyrophenone with general properties similar to those of HALOPERIDOL. It has been used in the treatment of aberrant sexual behavior. (From Martindale, The Extra Pharmacopoeia, 30th ed, p567) | 1.96 | 1 | 0 | aromatic ketone | |
flumethasone Flumethasone: An anti-inflammatory glucocorticoid used in veterinary practice. | 2.07 | 1 | 0 | 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 |
n-methyllaurotetanine N-methyllaurotetanine: structure in first source | 2.03 | 1 | 0 | | |
menthol (+-)-menthol : A racemate comprising equimolar amounts of (+)- and (-)-menthol. Both (+-)- and (-)-menthol are used to relieve symptoms of conditions such as bronchitis and sinusitis. When applied to the skin, menthol dilates the blood vessels, giving a sensation of coldness followed by an analgesic effect that relieves itching. It is therefore used in creams and ointments for the relief of pruritis and urticaria.. (-)-menthol : A p-menthan-3-ol which has (1R,2S,5R)-stereochemistry. It is the most common naturally occurring enantiomer. | 3.1 | 1 | 0 | p-menthan-3-ol | antipruritic drug; antispasmodic drug; antitussive |
fluorescein Fluorescein: A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium such as the aqueous humor.. fluorescein (lactone form) : A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy. | 1.96 | 1 | 0 | 2-benzofurans; gamma-lactone; organic heteropentacyclic compound; oxaspiro compound; polyphenol; xanthene dye | fluorescent dye; radioopaque medium |
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. | 2.48 | 2 | 0 | pyrimidines; sulfonamide | antibacterial drug; antimalarial |
c.i. direct blue 1 [no description available] | 1.96 | 1 | 0 | | |
hydroxyphenytoin hydroxyphenytoin: main metabolite of diphenylhydantoin; reduces Na(+) inhibition at high Na:K ratios; RN given refers to cpd without isomeric designation; structure. 4-hydroxyphenytoin : A imidazolidine-2,4-dione that consists of hydantoin bearing phenyl and 4-hydroxyphenyl substituents at position 5. | 3.1 | 1 | 0 | imidazolidine-2,4-dione; phenols | metabolite |
butoxamine [no description available] | 1.96 | 1 | 0 | | |
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 | 2.07 | 1 | 0 | dihydrofuran; nucleoside analogue; organic molecular entity | antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
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. | 2.44 | 2 | 0 | dichlorobenzene; penicillin | antibacterial drug |
fluorescein-5-isothiocyanate Fluorescein-5-isothiocyanate: Fluorescent probe capable of being conjugated to tissue and proteins. It is used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.. fluorescein 5-isothiocyanate : The 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques. | 1.98 | 1 | 0 | fluorescein isothiocyanate | |
mannose mannopyranose : The pyranose form of mannose. | 2.01 | 1 | 0 | D-aldohexose; D-mannose; mannopyranose | metabolite |
dithiothreitol 1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 3.57 | 9 | 0 | 1,4-dimercaptobutane-2,3-diol; butanediols; dithiol; glycol; thiol | chelator; human metabolite; reducing agent |
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 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin | antimicrobial agent |
tranylcypromine Tranylcypromine: A propylamine formed from the cyclization of the side chain of amphetamine. This monoamine oxidase inhibitor is effective in the treatment of major depression, dysthymic disorder, and atypical depression. It also is useful in panic and phobic disorders. (From AMA Drug Evaluations Annual, 1994, p311). tranylcypromine : A racemate comprising equal amounts of (1R,2S)- and (1S,2R)-2-phenylcyclopropan-1-amine. An irreversible monoamine oxidase inhibitor that is used as an antidepressant (INN tranylcypromine).. (1R,2S)-tranylcypromine : A 2-phenylcyclopropan-1-amine that is the (1R,2S)-enantiomer of tranylcypromine. | 2.07 | 1 | 0 | 2-phenylcyclopropan-1-amine | |
azatadine azatadine: indulian (UD 21;71k) is dimaleate; do not confuse with AZACITIDINE. azatadine : A benzo[5,6]cyclohepta[1,2-b]pyridine having a 1-methylpiperidin-4-ylidene group at the 11-position. | 2.69 | 3 | 0 | benzocycloheptapyridine; tertiary amine | anti-allergic agent; H1-receptor antagonist |
mono-(2-ethylhexyl)phthalate mono-(2-ethylhexyl)phthalate: RN given refers to parent cpd. mono(2-ethylhexyl) phthalate : The mono(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid. | 3.1 | 1 | 0 | phthalic acid monoester | |
beclomethasone [no description available] | 2.48 | 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 |
1-naphthalenemethanol 1-naphthalenemethanol: structure given in first source. (1-naphthyl)methanol : A naphthylmethanol that is methanol in which one of the hydrogens of the methyl group is replaced by a naphthalen-1-yl group. | 3.1 | 1 | 0 | naphthylmethanol | mouse metabolite |
dexpropranolol [no description available] | 3.78 | 3 | 0 | propranolol | |
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. | 2.07 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
pentaquine pentaquine: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
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) | 2.37 | 2 | 0 | indoles | |
benzetimide [no description available] | 1.96 | 1 | 0 | piperidines | |
dimethindene Dimethindene: A histamine H1 antagonist. It is used in hypersensitivity reactions, in rhinitis, for pruritus, and in some common cold remedies. | 2.39 | 2 | 0 | indene | |
acetylpyruvic acid acetylpyruvic acid: structure. acetylpyruvic acid : A dioxo monocarboxylic acid that is pentanoic acid carrying two oxo groups at positions 2 and 4. | 1.96 | 1 | 0 | beta-diketone; dioxo monocarboxylic acid | bacterial metabolite |
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. | 2.02 | 1 | 0 | azobenzenes; dicarboxylic acid | non-steroidal anti-inflammatory drug; prodrug |
diazoline diazoline: see also record for mebhydroline, RN: 524-81-2. diazoline : A five-membered organic heteromonocyclic compound containing two nitrogen atoms and a double bond. | 1.96 | 1 | 0 | polymer | |
n-methylaspartate N-Methylaspartate: An amino acid that, as the D-isomer, is the defining agonist for the NMDA receptor subtype of glutamate receptors (RECEPTORS, NMDA).. N-methyl-D-aspartic acid : An aspartic acid derivative having an N-methyl substituent and D-configuration. | 2.41 | 2 | 0 | amino dicarboxylic acid; D-alpha-amino acid; D-aspartic acid derivative; secondary amino compound | neurotransmitter agent |
terodiline [no description available] | 2.02 | 1 | 0 | diarylmethane | |
hepes [no description available] | 1.98 | 1 | 0 | HEPES; organosulfonic acid | |
lanthanum [no description available] | 2.37 | 2 | 0 | f-block element atom; lanthanoid atom; scandium group element atom | |
manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.67 | 3 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
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. | 1.97 | 1 | 0 | elemental mercury; zinc group element atom | neurotoxin |
neon Neon: A noble gas with the atomic symbol Ne, atomic number 10, and atomic weight 20.18. It is found in the earth's crust and atmosphere as an inert, odorless gas and is used in vacuum tubes and incandescent lamps. | 1.98 | 1 | 0 | monoatomic neon; noble gas atom; p-block element 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. | 1.98 | 1 | 0 | iron group element atom; platinum group metal atom | |
argon Argon: A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. | 1.98 | 1 | 0 | monoatomic argon; noble gas atom; p-block element atom | food packaging gas; neuroprotective agent |
cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 1.97 | 1 | 0 | cadmium molecular entity; zinc group element atom | |
helium Helium: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. | 1.98 | 1 | 0 | monoatomic helium; noble gas atom; s-block element atom | food packaging gas |
xenon Xenon: A noble gas with the atomic symbol Xe, atomic number 54, and atomic weight 131.30. It is found in the earth's atmosphere and has been used as an anesthetic. | 1.95 | 1 | 0 | monoatomic xenon; noble gas atom; p-block element atom | |
acetylglucosamine Acetylglucosamine: The N-acetyl derivative of glucosamine.. N-acetyl-beta-D-glucosamine : An N-acetyl-D-glucosamine having beta-configuration at the anomeric centre. | 1.97 | 1 | 0 | N-acetyl-D-glucosamine | epitope |
metoprine metoprine: histamine methyltransferase antagonist | 2.89 | 4 | 0 | | |
silver nitrate Silver Nitrate: A silver salt with powerful germicidal activity. It has been used topically to prevent OPHTHALMIA NEONATORUM. | 2.36 | 2 | 0 | inorganic nitrate salt; silver salt | astringent |
chlorine Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 1.98 | 1 | 0 | diatomic chlorine; gas molecular entity | bleaching agent |
butylated hydroxyanisole [no description available] | 3.1 | 1 | 0 | | |
ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 1.98 | 1 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
barium chloride barium chloride: RN given refers to parent cpd. barium chloride : The inorganic dichloride salt of barium. | 2 | 1 | 0 | barium salt; inorganic chloride | potassium channel blocker |
trolamine salicylate Arthritis: Acute or chronic inflammation of JOINTS. | 2.65 | 3 | 0 | | |
chloramine [no description available] | 1.97 | 1 | 0 | halide | |
coformycin [no description available] | 1.96 | 1 | 0 | coformycins | EC 3.5.4.4 (adenosine deaminase) inhibitor |
3-hydroxybenzo(a)pyrene 3-hydroxybenzo(a)pyrene: RN given refers to unlabeled parent cpd | 3.1 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
sodium tungstate(vi) sodium tungstate(VI): inactivates molybdoenzymes in Anabaena; RN given refers to tungstic acid [H2WO4], di-Na salt. sodium tungstate : An inorganic sodium salt having tungstate as the counterion. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones. | 2 | 1 | 0 | inorganic sodium salt | reagent |
(1S,2R)-tranylcypromine (1S,2R)-tranylcypromine : A 2-phenylcyclopropan-1-amine that is the (1S,2R)-enantiomer of tranylcypromine. | 2.07 | 1 | 0 | 2-phenylcyclopropan-1-amine | |
parbendazole parbendazole: anthelmintic used against a variety of gastrointestinal parasites; minor descriptor (75-86); on-line & INDEX MEDICUS search BENZIMIDAZOLES; RN given refers to parent cpd | 2.07 | 1 | 0 | benzimidazoles; carbamate ester | |
etorphine Etorphine: A narcotic analgesic morphinan used as a sedative in veterinary practice. | 1.96 | 1 | 0 | | |
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. | 3.15 | 5 | 0 | selegiline; terminal acetylenic compound | geroprotector |
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. | 2.4 | 2 | 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 |
4-n-Pentylphenol [no description available] | 3.1 | 1 | 0 | phenols | |
clemastine Clemastine: A histamine H1 antagonist used as the hydrogen fumarate in hay fever, rhinitis, allergic skin conditions, and pruritus. It causes drowsiness.. clemastine : 2-[(2R)-1-Methylpyrrolidin-2-yl]ethanol in which the hydrogen of the hydroxy group is substituted by a 1-(4-chlorophenyl)-1-phenylethyl group (R configuration). An antihistamine with antimuscarinic and moderate sedative properties, it is used as its fumarate salt for the symptomatic relief of allergic conditions such as rhinitis, urticaria, conjunctivitis and in pruritic (severe itching) skin conditions. | 4.86 | 8 | 1 | monochlorobenzenes; N-alkylpyrrolidine | anti-allergic agent; antipruritic drug; H1-receptor antagonist; muscarinic 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. | 2.36 | 2 | 0 | benzocycloheptathiophene | histamine antagonist; muscarinic antagonist; serotonergic antagonist |
cromolyn sodium Cromolyn Sodium: A chromone complex that acts by inhibiting the release of chemical mediators from sensitized MAST CELLS. It is used in the prophylactic treatment of both allergic and exercise-induced asthma, but does not affect an established asthmatic attack.. disodium cromoglycate : An organic sodium salt that is the disodium salt of cromoglycic acid. | 5.87 | 32 | 0 | organic sodium salt | anti-asthmatic drug; drug allergen |
thenalidine thenalidine: antihistaminic, antipruritic; RN in Chemline for thenalidine calcium: 67250-62-8; structure | 1.96 | 1 | 0 | dialkylarylamine; tertiary amino compound | |
tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 5.53 | 22 | 0 | acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester | antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator |
fluorides [no description available] | 2.37 | 2 | 0 | halide anion; monoatomic fluorine | |
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. | 2.48 | 2 | 0 | 17beta-hydroxy steroid; terminal acetylenic compound | anti-estrogen; estrogen antagonist; geroprotector |
9-hydroxybenzo(a)pyrene 9-hydroxybenzo(a)pyrene: RN given refers to unlabeled parent cpd | 3.1 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
metergoline Metergoline: A dopamine agonist and serotonin antagonist. It has been used similarly to BROMOCRIPTINE as a dopamine agonist and also for MIGRAINE DISORDERS therapy.. metergoline : An ergoline alkaloid that is the N-benzyloxycarbonyl derivative of lysergamine. A 5-HT2 antagonist. Also 5-HT1 antagonist and 5-HT1D ligand. Has moderate affinity for 5-HT6 and high affinity for 5-HT7. | 3.11 | 5 | 0 | carbamate ester; ergoline alkaloid | dopamine agonist; geroprotector; serotonergic antagonist |
fenclozic acid fenclozic acid: an analgesic & antipyretic with anti-inflammatory properties; minor descriptor (75-86); on-line & INDEX MEDICUS search THIAZOLES (75-86); RN given refers to parent cpd | 2.07 | 1 | 0 | | |
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). | 2.03 | 1 | 0 | monocarboxylic acid amide | antidyskinesia agent; antiparkinson drug; dopamine agonist; serotonergic agonist |
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. | 3.51 | 2 | 0 | aminoglycoside antibiotic; anthracycline; p-quinones; tetracenequinones | antineoplastic agent; bacterial metabolite |
clofenapate Clofenapate: An oral hypolipemic agent primarily used in DOGS and RATS. | 1.95 | 1 | 0 | | |
capobenic acid [no description available] | 2.07 | 1 | 0 | benzamides | |
lofexidine lofexidine: reduces narcotic withdrawal symptoms; RN given refers to parent cpd without isomeric designation; structure in Negwer, 5th ed, #6247 | 1.96 | 1 | 0 | aromatic ether; carboxamidine; dichlorobenzene; imidazoles | alpha-adrenergic agonist; antihypertensive agent |
diftalone [no description available] | 2.07 | 1 | 0 | | |
dexetimide Dexetimide: A muscarinic antagonist that has been used to treat neuroleptic-induced parkinsonism. Benzetimide is the (-)-enantimorph of dexetimide. | 2.38 | 2 | 0 | piperidines | |
5-(2-cyclohexylidene-ethyl)-5-ethylbarbiturate 5-(2-cyclohexylidene-ethyl)-5-ethylbarbiturate: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
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. | 2.48 | 2 | 0 | 1,3-dihydroimidazole-2-thiones; carbamate ester | antithyroid drug; prodrug |
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. | 3.11 | 5 | 0 | benzenes; phenyl acetates | |
n-phenylethanolamine [no description available] | 3.1 | 1 | 0 | aralkylamine | |
4-ethylphenol 4-ethylphenol: RN given refers to parent cpd. 4-ethylphenol : A member of the class of phenols carrying an ethyl substituent at position 4. | 3.1 | 1 | 0 | phenols | fungal xenobiotic metabolite |
1,4-dioxane 1,4-dioxane: dehydrating agent; polar solvent miscible both with water & most organic solvents. dioxane : Any member of the class of dioxanes that is a cyclohexane in which two carbon atoms are replaced by oxygen atoms.. 1,4-dioxane : A dioxane with oxygen atoms at positions 1 and 4. | 2.04 | 1 | 0 | dioxane; volatile organic compound | carcinogenic agent; metabolite; NMR chemical shift reference compound; non-polar solvent |
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. | 2.07 | 1 | 0 | 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 |
dimethylacetamide hallucinogen : Drugs capable of inducing illusions, hallucinations, delusions, paranoid ideations and other alterations of mood and thinking.. N,N-dimethylacetamide : A member of the class of acetamides that is acetamide in which the hydrogens attached to the N atom have been replaced by two methyl groups respectively. Metabolite observed in cancer metabolism. | 2 | 1 | 0 | acetamides; monocarboxylic acid amide | human metabolite |
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. | 3.8 | 3 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
pregnanolone Pregnanolone: A pregnane found in the urine of pregnant women and sows. It has anesthetic, hypnotic, and sedative properties.. 3alpha-hydroxy-5beta-pregnan-20-one : The 3alpha-stereoisomer of 3-hydroxy-5beta-pregnan-20-one. | 3.1 | 1 | 0 | 3-hydroxy-5beta-pregnan-20-one; 3alpha-hydroxy steroid | human metabolite; intravenous anaesthetic; sedative |
butylated hydroxytoluene 2,6-di-tert-butyl-4-methylphenol : A member of the class of phenols that is 4-methylphenol substituted by tert-butyl groups at positions 2 and 6. | 3.53 | 2 | 0 | phenols | antioxidant; ferroptosis inhibitor; food additive; geroprotector |
4-methoxyamphetamine 4-methoxyamphetamine: para-methoxy derivative to amphetamine with hallucinogenic properties; minor descriptor (75-86); on line & INDEX MEDICUS search AMPHETAMINES (75-86); RN given refers to parent compound without isomeric designation | 1.97 | 1 | 0 | | |
du-21220 Ritodrine: An adrenergic beta-2 agonist used to control PREMATURE LABOR.. 4-[2-[[1-hydroxy-1-(4-hydroxyphenyl)propan-2-yl]amino]ethyl]phenol : A secondary amino compound that is 4-(2-amino-1-hydroxypropyl)phenol in which one of the hydrogens attached to the nitrogen is replaced by a 2-(4-hydroxyphenyl)ethyl group. | 1.97 | 1 | 0 | benzyl alcohols; polyphenol; secondary alcohol; secondary amino compound | |
8-bromo cyclic adenosine monophosphate 8-Bromo Cyclic Adenosine Monophosphate: A long-acting derivative of cyclic AMP. It is an activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase.. 8-Br-cAMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP bearing an additional bromo substituent at position 8 on the adenine ring. An activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase. | 2.03 | 1 | 0 | 3',5'-cyclic purine nucleotide; adenyl ribonucleotide; organobromine compound | antidepressant; protein kinase agonist |
carticaine Carticaine: A thiophene-containing local anesthetic pharmacologically similar to MEPIVACAINE. | 1.96 | 1 | 0 | thiophenecarboxylic acid | |
rose bengal b disodium salt [no description available] | 2.07 | 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. | 3.52 | 8 | 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 | 3.49 | 2 | 0 | chlorphenamine | |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.37 | 2 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
halofenate Halofenate: An antihyperlipoproteinemic agent and uricosuric agent. | 1.95 | 1 | 0 | | |
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. | 2.48 | 2 | 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. | 3.23 | 6 | 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. | 2.4 | 2 | 0 | tryptamines | |
penfluridol Penfluridol: One of the long-acting ANTIPSYCHOTIC AGENTS used for maintenance or long-term therapy of SCHIZOPHRENIA and other PSYCHOTIC DISORDERS. | 2.39 | 2 | 0 | diarylmethane | |
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. | 2.07 | 1 | 0 | catechols; hydrazines; monocarboxylic acid | antiparkinson drug; dopaminergic agent; EC 4.1.1.28 (aromatic-L-amino-acid decarboxylase) 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. | 3.81 | 3 | 0 | azide; pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
pirprofen pirprofen: anti-inflammatory agent used in therapy of rheumatoid arthritis; prostaglandin synthetase inhibitor; more potent than indomethacin; structure | 2.07 | 1 | 0 | pyrroline | |
etoposide [no description available] | 2.45 | 2 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
substance p [no description available] | 6.56 | 48 | 0 | peptide | neurokinin-1 receptor agonist; neurotransmitter; vasodilator agent |
6-hydroxybenzo(a)pyrene 6-hydroxybenzo(a)pyrene: RN given refers to parent cpd; structure in first source | 3.1 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
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. | 2.07 | 1 | 0 | catecholamine; secondary amine | beta-adrenergic agonist; cardiotonic drug; sympathomimetic agent |
halofantrine halofantrine: used in treatment of mild to moderate acute malaria | 2.02 | 1 | 0 | phenanthrenes | |
butaclamol (+)-butaclamol : An organic heteropentacyclic compound that is 2,3,4,4a,8,9,13b,14-octahydro-1H-benzo[6,7]cyclohepta[1,2,3-de]pyrido[2,1-a]isoquinoline substituted at position 3 by both hydroxy and tert-butyl groups. | 3.15 | 5 | 0 | organic heteropentacyclic compound | |
butaclamol [no description available] | 3.41 | 7 | 0 | amino alcohol; organic heteropentacyclic compound; tertiary alcohol; tertiary amino compound | dopaminergic antagonist |
4-methylhistamine 4-methylhistamine: RN given refers to parent cpd. 4-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the 5 position on the ring. | 5.71 | 27 | 0 | aralkylamino compound; imidazoles | histamine agonist; metabolite |
penbutolol Penbutolol: A nonselective beta-blocker used as an antihypertensive and an antianginal agent. | 2.02 | 1 | 0 | ethanolamines | |
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. | 1.96 | 1 | 0 | amino acid amide | local anaesthetic |
ribavirin Rebetron: Rebetron is tradename | 1.99 | 1 | 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 |
phorbol 12,13-dibutyrate Phorbol 12,13-Dibutyrate: A phorbol ester found in CROTON OIL which, in addition to being a potent skin tumor promoter, is also an effective activator of calcium-activated, phospholipid-dependent protein kinase (protein kinase C). Due to its activation of this enzyme, phorbol 12,13-dibutyrate profoundly affects many different biological systems. | 2.67 | 3 | 0 | butyrate ester; phorbol ester; tertiary alpha-hydroxy ketone | |
carbidopa [no description available] | 2 | 1 | 0 | catechols; hydrate; hydrazines; monocarboxylic acid | antidyskinesia agent; antiparkinson drug; dopaminergic agent; EC 4.1.1.28 (aromatic-L-amino-acid decarboxylase) inhibitor |
hydroxymaprotilin hydroxymaprotilin: RN given refers to cpd without isomeric designation | 1.98 | 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. | 2.07 | 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. | 2.48 | 2 | 0 | L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | alpha-adrenergic agonist; antihypertensive agent; hapten; peripheral nervous system drug; sympatholytic agent |
bezafibrate [no description available] | 2.07 | 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. | 2.02 | 1 | 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. | 3.63 | 9 | 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 |
1-methyl-4-phenylpyridinium 1-Methyl-4-phenylpyridinium: An active neurotoxic metabolite of 1-METHYL-4-PHENYL-1,2,3,6-TETRAHYDROPYRIDINE. The compound reduces dopamine levels, inhibits the biosynthesis of catecholamines, depletes cardiac norepinephrine and inactivates tyrosine hydroxylase. These and other toxic effects lead to cessation of oxidative phosphorylation, ATP depletion, and cell death. The compound, which is related to PARAQUAT, has also been used as an herbicide.. N-methyl-4-phenylpyridinium : A pyridinium ion that is N-methylpyridinium having a phenyl substituent at the 4-position. | 2.41 | 2 | 0 | pyridinium ion | apoptosis inducer; herbicide; human xenobiotic metabolite; neurotoxin |
ng-nitroarginine methyl ester NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension. | 4.37 | 20 | 0 | alpha-amino acid ester; L-arginine derivative; methyl ester; N-nitro compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
dexibuprofen dexibuprofen: structure in first source | 3.54 | 2 | 0 | ibuprofen | non-narcotic analgesic; non-steroidal anti-inflammatory drug |
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. | 3.53 | 2 | 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 |
tiamenidine [no description available] | 1.96 | 1 | 0 | organochlorine compound | |
doxantrazole doxantrazole: structure | 2.4 | 2 | 0 | | |
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid [no description available] | 3.31 | 1 | 0 | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor |
impromidine Impromidine: A highly potent and specific histamine H2 receptor agonist. It has been used diagnostically as a gastric secretion indicator. | 7.16 | 29 | 1 | | |
sufentanil Sufentanil: An opioid analgesic that is used as an adjunct in anesthesia, in balanced anesthesia, and as a primary anesthetic agent.. sufentanil : An anilide resulting from the formal condensation of the aryl amino group of 4-(methoxymethyl)-N-phenyl-1-[2-(2-thienyl)ethyl]piperidin-4-amine with propanoic acid. | 1.96 | 1 | 0 | anilide; ether; piperidines; thiophenes | anaesthesia adjuvant; intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic |
torsemide Torsemide: A pyridine and sulfonamide derivative that acts as a sodium-potassium chloride symporter inhibitor (loop diuretic). It is used for the treatment of EDEMA associated with CONGESTIVE HEART FAILURE; CHRONIC RENAL INSUFFICIENCY; and LIVER DISEASES. It is also used for the management of HYPERTENSION.. torasemide : An N-sulfonylurea obtained by formal condensation of [(3-methylphenyl)amino]pyridine-3-sulfonic acid with the free amino group of N-isopropylurea. It is a potent loop diuretic used for the treatment of hypertension and edema in patients with congestive heart failure. | 2.48 | 2 | 0 | aminopyridine; N-sulfonylurea; secondary amino compound | antihypertensive agent; loop diuretic |
2-hydroxybenzo(a)pyrene 2-hydroxybenzo(a)pyrene: RN given refers to parent cpd; structure in first source | 3.1 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
isamoxole isamoxole: potential anti-allergy cpd; structure | 1.95 | 1 | 0 | | |
elliptinium elliptinium: synthetic ellipticine deriv; RN given refers to parent cpd; structure given in first source | 1.96 | 1 | 0 | carbazoles | |
enkephalin, methionine Enkephalin, Methionine: One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN. | 2.66 | 3 | 0 | | |
setastine [no description available] | 1.97 | 1 | 0 | diarylmethane | |
dihydroalprenolol Dihydroalprenolol: Hydrogenated alprenolol derivative where the extra hydrogens are often tritiated. This radiolabeled form of ALPRENOLOL, a beta-adrenergic blocker, is used to label the beta-adrenergic receptor for isolation and study. | 2.37 | 2 | 0 | | |
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. | 2.07 | 1 | 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. | 2.74 | 3 | 0 | aromatic ether; benzodioxoles; organofluorine compound; piperidines | antidepressant; anxiolytic drug; hepatotoxic agent; P450 inhibitor; serotonin uptake inhibitor |
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. | 3.23 | 6 | 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. | 2.07 | 1 | 0 | cephalosporin | antibacterial drug |
staurosporine [no description available] | 2.04 | 1 | 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. | 2.02 | 1 | 0 | one-carbon compound; organic sodium salt | antiviral drug |
Arbaclofen [no description available] | 1.96 | 1 | 0 | organonitrogen compound; organooxygen compound | |
indalpine indalpine: selective 5-hydroxytryptamine uptake inhibitor; RN given refers to parent cpd | 2.07 | 1 | 0 | indoles | |
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. | 2.37 | 2 | 0 | diester; quaternary ammonium ion | muscle relaxant; nicotinic antagonist |
lidamidine lidamidine: synonym WHR-1142A refers to HCl; structure | 2.07 | 1 | 0 | ureas | |
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. | 1.97 | 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. | 2.05 | 1 | 0 | diamine; methyl sulfide; organic heterotetracyclic compound | antiparkinson drug; dopamine agonist |
colforsin Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 4 | 14 | 0 | acetate ester; cyclic ketone; labdane diterpenoid; organic heterotricyclic compound; tertiary alpha-hydroxy ketone; triol | adenylate cyclase agonist; anti-HIV agent; antihypertensive agent; plant metabolite; platelet aggregation inhibitor; protein kinase A agonist |
bicifadine bicifadine: a nonopioid analgesic that modulates the monoaminergic pathways involved in pain | 1.97 | 1 | 0 | | |
talniflumate talniflumate: an anti-inflammatory molecule for the treatment of cystic fibrosis, chronic obstructive pulmonary disease and asthma | 2.07 | 1 | 0 | benzofurans | |
tiotidine tiotidine: UD gives slightly different structure for this cpd; RN given refers to parent cpd; structure in first source | 5.76 | 28 | 0 | thiazoles | |
nedocromil Nedocromil: A pyranoquinolone derivative that inhibits activation of inflammatory cells which are associated with ASTHMA, including EOSINOPHILS; NEUTROPHILS; MACROPHAGES; MAST CELLS; MONOCYTES; AND PLATELETS. | 2.91 | 4 | 0 | dicarboxylic acid; organic heterotricyclic compound | anti-allergic agent; anti-asthmatic drug; non-steroidal anti-inflammatory drug |
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 | 1 | 0 | fluoroquinolone antibiotic; monocarboxylic acid; N-alkylpiperazine; N-arylpiperazine; quinolone antibiotic; quinolone | antibacterial drug; antiinfective agent; DNA synthesis inhibitor |
sulotroban sulotroban: thromboxane receptor antagonist | 2.04 | 1 | 0 | | |
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. | 3.48 | 8 | 0 | aromatic ether; C-nitro compound; monochlorobenzenes; N-sulfonylcarboxamide; organofluorine compound; phenols | agrochemical; EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor; herbicide |
swainsonine Swainsonine: An indolizidine alkaloid from the plant Swainsona canescens that is a potent alpha-mannosidase inhibitor. Swainsonine also exhibits antimetastatic, antiproliferative, and immunomodulatory activity.. swainsonine : An indolizidine alkaloid isolated from the plant Swainsona canescens with three hydroxy substituents at positions 1, 2 and 8. | 1.97 | 1 | 0 | indolizidine alkaloid | antineoplastic agent; EC 3.2.1.114 (mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase) inhibitor; immunological adjuvant; plant metabolite |
dazoxiben dazoxiben: RN given refers to parent cpd | 2.07 | 1 | 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). | 2.07 | 1 | 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 | 2.04 | 1 | 0 | aminopyridine | |
tolrestat tolrestat: RN & structure given in first source | 2.07 | 1 | 0 | naphthalenes | EC 1.1.1.21 (aldehyde reductase) inhibitor |
levocabastine levocabastine: for the temporary relief of the signs and symptoms of seasonal allergic conjunctivitis | 7.69 | 3 | 0 | piperidines | |
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. | 2.48 | 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. | 2.4 | 2 | 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. | 2.74 | 3 | 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. | 2.07 | 1 | 0 | 3-hydroxy carboxylic acid; carbobicyclic compound; carboxylic ester; hydroxy monocarboxylic acid; secondary alcohol; statin (semi-synthetic) | anticholesteremic drug; environmental contaminant; metabolite; xenobiotic |
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. | 2.07 | 1 | 0 | dicarboxylic acid monoester; ethyl ester; isoquinolines; tertiary carboxamide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; prodrug |
alpidem [no description available] | 2.48 | 2 | 0 | imidazoles | |
cicletanine [no description available] | 3.08 | 5 | 0 | organochlorine compound | |
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. | 2.04 | 1 | 0 | 3-oxo-Delta(4) steroid; acetylenic compound; tertiary amino compound | abortifacient; contraceptive drug; hormone antagonist; synthetic oral contraceptive |
loxtidine loxtidine: structure given in first source; RN given refers to parenet cpd. loxtidine : A triazole that consists of 1,2,4-triazole bearing a methyl substituent at position 1, a hydroxymethyl substituent at position 3 and a {3-[3-(piperidin-1-ylmethyl)phenoxy]propyl}amino group at position 5. A highly potent and selective H2-receptor antagonist. | 2.38 | 2 | 0 | aromatic ether; piperidines; primary alcohol; triazoles | H2-receptor antagonist |
temelastine [no description available] | 3.58 | 9 | 0 | pyrimidone | |
dopexamine dopexamine: RN given refers to parent cpd; structure given in first source | 2.07 | 1 | 0 | catecholamine | |
difloxacin difloxacin: RN & structure given in first source. difloxacin : A quinolone that is pefloxacin in which the ethyl group at position 1 of the quinolone has been replaced by a p-fluorophenyl group. A broad-spectrum antibiotic effective against both Gram-positive and Gram-negative bacteria, it is used (usually as the monohydrochloride salt) for the treatment of bacterial infections in dogs. | 2 | 1 | 0 | fluoroquinolone antibiotic; monocarboxylic acid; monofluorobenzenes; N-alkylpiperazine; N-arylpiperazine; quinolone antibiotic; quinolone | antibacterial drug; Mycoplasma genitalium metabolite |
lonapalene RS 43179: used in treatment of psoriasis | 2.07 | 1 | 0 | naphthalenes; organochlorine compound | |
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. | 1.99 | 1 | 0 | naphthoic acid | |
ipsapirone [no description available] | 2.07 | 1 | 0 | N-arylpiperazine | |
fura-2 Fura-2: A fluorescent calcium chelating agent which is used to study intracellular calcium in tissues. | 3.93 | 13 | 0 | | |
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. | 2.07 | 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 |
carmoxirole carmoxirole : An indolecarboxylic acid that is indole-5-carboxylic acid bearing an additional 4-(4-phenyl-1,2,3,6-tetrahydropyridin-1-yl)butyl substituent at position 3. Selective, peripherally acting dopamine D2 receptor agonist. Modulates noradrenalin release and sympathetic activation. Displays antihypertensive properties in vivo. | 2 | 1 | 0 | indolecarboxylic acid; tertiary amino compound; tetrahydropyridine | antihypertensive agent; dopamine agonist; platelet aggregation inhibitor |
rufloxacin rufloxacin: structure in first source | 2 | 1 | 0 | fluoroquinolone antibiotic; quinolines; quinolone antibiotic | |
sematilide sematilide: RN refers to HCl; structure given in first source | 2.07 | 1 | 0 | | |
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. | 2.1 | 1 | 0 | heteroarylpiperidine; imidazolidinone; organochlorine compound; organofluorine compound; phenylindole | alpha-adrenergic antagonist; H1-receptor antagonist; second generation antipsychotic; serotonergic antagonist |
sparfloxacin [no description available] | 2.4 | 2 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | |
zileuton [no description available] | 3.79 | 11 | 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 |
remacemide remacemide: structure given in first source | 2.07 | 1 | 0 | stilbenoid | |
mibefradil Mibefradil: A benzimidazoyl-substituted tetraline that selectively binds and inhibits CALCIUM CHANNELS, T-TYPE. | 2.43 | 2 | 0 | tetralins | T-type calcium channel blocker |
sch 37370 N-acetyldesloratadine: dual antagonist of platelet-activating factor and histamine | 1.97 | 1 | 0 | | |
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. | 2.07 | 1 | 0 | aromatic amino acid; benzophenones; organobromine compound; substituted aniline | non-narcotic analgesic; non-steroidal anti-inflammatory drug |
ibutilide ibutilide: RN & structure in first source; RN refers to the fumarate salt | 2.02 | 1 | 0 | benzenes; organic amino compound | |
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. | 2.83 | 3 | 0 | aromatic ether; delta-lactam; dichlorobenzene; N-alkylpiperazine; N-arylpiperazine; quinolone | drug metabolite; H1-receptor antagonist; second generation antipsychotic; serotonergic agonist |
atorvastatin [no description available] | 2.07 | 1 | 0 | aromatic amide; dihydroxy monocarboxylic acid; monofluorobenzenes; pyrroles; statin (synthetic) | environmental contaminant; xenobiotic |
pobilukast pobilukast: a leukotriene receptor antagonist; an antiasthmatic agent; structure in first source; RN refers to (R-(R*,S*)-isomer | 3.59 | 9 | 0 | | |
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. | 2.48 | 2 | 0 | biphenylyltetrazole; monocarboxylic acid amide; monocarboxylic acid | angiotensin receptor antagonist; antihypertensive agent; environmental contaminant; xenobiotic |
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. | 1.99 | 1 | 0 | organoiodine compound | |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 4.5 | 24 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
octyl gallate [no description available] | 3.1 | 1 | 0 | gallate ester | food antioxidant; hypoglycemic agent; plant metabolite |
dimethylhydrazines Dimethylhydrazines: Hydrazines substituted with two methyl groups in any position. | 1.95 | 1 | 0 | | |
carfentanil carfentanil : A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of methyl 4-anilino-1-(2-phenylethyl)piperidine-4-carboxylate with propanoic acid. | 1.96 | 1 | 0 | methyl ester; piperidines; tertiary amino compound; tertiary carboxamide | mu-opioid receptor agonist; opioid analgesic; tranquilizing drug |
rubidium chloride rubidium chloride : An inorganic chloride composed of rubidium and chloride ions in a 1:1 ratio. | 2.02 | 1 | 0 | inorganic chloride; rubidium molecular entity | antidepressant; biomarker |
paroxetine hydrochloride paroxetine hydrochloride : The hydrochloride salt of paroxetine. It is an antidepressant drug. | 2.07 | 1 | 0 | hydrochloride | antidepressant; anxiolytic drug; hepatotoxic agent; P450 inhibitor; serotonin uptake inhibitor |
verapamil hydrochloride verapamil hydrochloride : A racemate comprising equimolar amounts of dexverapamil hydrochloride and (S)-verapamil hydrochloride. | 2.07 | 1 | 0 | | |
4-[1-[4-[2-(dimethylamino)ethoxy]phenyl]-2-phenylbut-1-enyl]phenol [no description available] | 3.1 | 1 | 0 | stilbenoid | |
u 37883a U 37883A: an antagonist of vascular ATP-sensitive potassium channel openers; structure given in first source | 1.99 | 1 | 0 | | |
glucose, (beta-d)-isomer beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 3.07 | 5 | 0 | D-glucopyranose | epitope; mouse metabolite |
2',7'-dichlorofluorescein 2',7'-dichlorofluorescein: RN given refers to parent cpd | 3.1 | 1 | 0 | 2-benzofurans | fluorochrome |
n-methylnicotinamide N-methylnicotinamide: structure. N-methylnicotinamide : A pyridinecarboxamide that is nicotinamide in which one of the amide hydrogens is substituted by a methyl group. | 2.69 | 3 | 0 | pyridinecarboxamide | metabolite |
1,2-dipalmitoyl-3-phosphatidylethanolamine 1,2-dipalmitoyl-3-phosphatidylethanolamine: RN given refers to parent cpd without isomeric designation | 2.37 | 2 | 0 | | |
fenclofenac fenclofenac: RN given refers to parent cpd | 2.4 | 2 | 0 | aromatic ether | |
4-nitrobenzylthioinosine 4-nitrobenzylthioinosine: inhibitor of nucleoside transport; acts on ENT1 | 2.02 | 1 | 0 | purine nucleoside | |
proxicromil proxicromil: RN given refers to parent cpd; structure | 2.4 | 2 | 0 | | |
histamine phosphate histamine phosphate : A phosphate salt that is the diphosphate salt of histamine. | 2.37 | 2 | 0 | phosphate salt | histamine agonist |
cephalosporin c cephalosporin C: RN given refers to parent cpd; structure in Merck, 9th ed, #1937. cephalosporin C : A cephalosporin antibiotic carrying a 3-acetoxymethyl substituent and a 6-oxo-N(6)-L-lysino group at position 7. | 1.97 | 1 | 0 | cephalosporin | fungal metabolite |
16-hydroxytestosterone 16-hydroxytestosterone: RN given refers to (16alpha,17beta)-isomer. 16alpha-hydroxytestosterone : A C19-steroid that is testosterone in which the hydrogen at the 16alpha position has been replaced by a hydroxy group. | 3.1 | 1 | 0 | 16alpha-hydroxy steroid; 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; androstanoid; C19-steroid; diol; secondary alcohol | androgen |
quifenadine quifenadine: Russian drug | 1.96 | 1 | 0 | diarylmethane | |
flutonidine flutonidine: RN given refers to parent cpd | 2.36 | 2 | 0 | | |
atrinositol [no description available] | 1.98 | 1 | 0 | | |
carebastine carebastine: active carboxylic acid metablite of ebastine; structure given in first source | 2.7 | 3 | 0 | diarylmethane | |
nuvenzepine nuvenzepine: structure given in first source | 1.97 | 1 | 0 | | |
nafagrel nafagrel: structure given in first source | 2.4 | 2 | 0 | | |
esreboxetine esreboxetine: a norepinephrine reuptake inhibitor | 2.04 | 1 | 0 | aromatic ether | |
lercanidipine [no description available] | 2.04 | 1 | 0 | diarylmethane | |
ebrotidine ebrotidine: an H2-receptor antagonist and gastric mucosa protector | 1.99 | 1 | 0 | sulfonamide | |
torbafylline torbafylline: structure given in first source | 2.07 | 1 | 0 | | |
web 2086 WEB 2086: structure given in first source; PAF antagonist | 3.92 | 13 | 0 | organonitrogen heterocyclic compound; organosulfur heterocyclic compound | |
arpromidine arpromidine: structure given in first source | 2.03 | 1 | 0 | | |
mizolastine [no description available] | 2.41 | 2 | 0 | benzimidazoles | |
bepafant bepafant: RN given from Toxlit 6/90; PAF antagonist | 2.67 | 3 | 0 | | |
terikalant terikalant: experimental class II antiarrhythmic drug; RN gioven refers to terikalant ((S-(-))-isomer) | 2.02 | 1 | 0 | piperidines | |
cetiedil cetiedil: RN given refers to parent cpd; structure | 1.98 | 1 | 0 | azepanes | |
2-methoxyestradiol 2-methoxy-17beta-estradiol : A 17beta-hydroxy steroid, being 17beta-estradiol methoxylated at C-2. | 3.1 | 1 | 0 | 17beta-hydroxy steroid; 3-hydroxy steroid | angiogenesis modulating agent; antimitotic; antineoplastic agent; human metabolite; metabolite; mouse metabolite |
1,7-phenanthroline [no description available] | 1.95 | 1 | 0 | phenanthroline | |
anthranil 2,1-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,2-oxazole ring across positions 3 and 4. | 2.04 | 1 | 0 | 2,1-benzoxazoles; mancude organic heterobicyclic parent | |
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. | 4.5 | 24 | 0 | 1,2,3-triazole | |
4-trifluoromethylphenol 4-trifluoromethylphenol: metabolite of fluoxetine; structure in first source. 4-(trifluoromethyl)phenol : A member of the class of (trifluoromethyl)benzenes that is p-cresol in which the methyl group is perfluorinated. It is a metabolite of the drug fluoxetine. | 2.02 | 1 | 0 | (trifluoromethyl)benzenes; phenols | drug metabolite; marine xenobiotic metabolite |
2-imidazoline 2-imidazoline: RN given refers to parent cpd; structure. imidazoline : An imidazoline compound having the double bond at the 2-position. | 1.92 | 1 | 0 | imidazolines | |
5,6,7,8-tetrahydro-1-naphthol 5,6,7,8-tetrahydro-1-naphthol : 1-naphthol hydrogenated at C-5, -6, -7 and -8. | 3.1 | 1 | 0 | tetralins | |
alfatradiol alfatradiol: used for treating androgenetic alopecia. 17alpha-estradiol : An estradiol that is estra-1,3,5(10)-triene substituted by hydroxy groups at positions 3 and 17 (the 17alpha stereoisomer). | 3.1 | 1 | 0 | 17alpha-hydroxy steroid; 3-hydroxy steroid; estradiol | estrogen; geroprotector |
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. | 2.75 | 3 | 0 | dichlorobenzene; secondary amino compound; tetralins | antidepressant; serotonin uptake inhibitor |
selfotel selfotel: a N-methyl-D-aspartate (NMDA) antagonist; used to treat stroke-induced impairment | 2.44 | 2 | 0 | non-proteinogenic alpha-amino acid | |
traxanox traxanox: RN given refers to parent cpd; structure | 1.96 | 1 | 0 | pyridochromene | |
mesulergine mesulergine: RN given refers to parent cpd; CU 32-085 is synonymous to mono-HCl; metabolized into dopaminergic agonists; structure given in first source. mesulergine : A member of the class of ergot alkaloids that is known to act on serotonin and dopamine receptors. | 2.02 | 1 | 0 | ergot alkaloid; sulfamides | antiparkinson drug; dopamine agonist; serotonergic antagonist |
cloricromen cloricromen: RN given refers to parent cpd | 2.04 | 1 | 0 | coumarins | |
4-hydroxyquinoline 4-quinolone : A quinolone that is 1,4-dihydroquinoline substituted by an oxo group at position 4. | 3.1 | 1 | 0 | monohydroxyquinoline; quinolone | |
4-methoxybenzonitrile 4-methoxybenzonitrile: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
opromazine opromazine: RN given refers to parent cpd; structure in 9th ed, Merck Index, #6697 | 1.96 | 1 | 0 | phenothiazines | |
n-methylscopolamine N-Methylscopolamine: A muscarinic antagonist used to study binding characteristics of muscarinic cholinergic receptors. | 2.66 | 3 | 0 | | |
enrofloxacin Enrofloxacin: A fluoroquinolone antibacterial and antimycoplasma agent that is used in veterinary practice.. enrofloxacin : A quinolinemonocarboxylic acid that is 1,4-dihydroquinoline-3-carboxylic acid substituted by an oxo group at position 4, a fluoro group at position 6, a cyclopropyl group at position 1 and a 4-ethylpiperazin-1-yl group at position 7. It is a veterinary antibacterial agent used for the treatment of pets. | 2.07 | 1 | 0 | cyclopropanes; N-alkylpiperazine; N-arylpiperazine; organofluorine compound; quinolinemonocarboxylic acid; quinolone | antibacterial agent; antimicrobial agent; antineoplastic agent |
mifentidine [no description available] | 2.02 | 1 | 0 | | |
uk 68798 [no description available] | 2.74 | 3 | 0 | aromatic ether; sulfonamide; tertiary amino compound | anti-arrhythmia drug; potassium channel blocker |
masoprocol Masoprocol: A potent lipoxygenase inhibitor that interferes with arachidonic acid metabolism. The compound also inhibits formyltetrahydrofolate synthetase, carboxylesterase, and cyclooxygenase to a lesser extent. It also serves as an antioxidant in fats and oils.. masoprocol : The meso-form of nordihydroguaiaretic acid. An antioxidant found in the creosote bush, Larrea divaricata, it is a potent lipoxygenase inhibitor that interferes with arachidonic acid metabolism. It also inhibits (though to a lesser extent) formyltetrahydrofolate synthetase, carboxylesterase, and cyclooxygenase. | 4.97 | 9 | 1 | nordihydroguaiaretic acid | antineoplastic agent; hypoglycemic agent; lipoxygenase inhibitor; metabolite |
mepindolol mepindolol: 2-methyl deriv of pindolol; RN given refers to parent cpd; structure | 2.07 | 1 | 0 | indoles | |
fpl 52791 FPL 52791: also has anti-allergic properties; related to sodium cromoglycate; structure | 2.07 | 1 | 0 | | |
guanoclor guanoclor: structure | 1.95 | 1 | 0 | dichlorobenzene | |
epanolol epanolol: structure given in first source | 2.07 | 1 | 0 | acetamides | |
icotidine icotidine: structure given in first source; RN given refers to tri-HCl | 2.38 | 2 | 0 | pyrimidone | |
gr 117289 GR 117289: angiotensin AT1 receptor antagonist; structure given in first source. zolasartan : A member of the class of 1-benzofurans that is 3-bromo-1-benzofuran which is substituted by a 2-(1H-tetrazol-5-yl)phenyl group at position 2 and by a (2-butyl-5-carboxy-4-chloro-1H-imidazol-1-yl)methyl group at position 5. It is an angiotensin II receptor type 1 (AT1) antagonist and was in clinical trials for the treatment of hypertension (now discontinued). | 1.98 | 1 | 0 | 1-benzofurans; biaryl; imidazolyl carboxylic acid; monocarboxylic acid; organobromine compound; organochlorine compound; tetrazoles | angiotensin receptor antagonist; antihypertensive agent |
methotrimeprazine Methotrimeprazine: A phenothiazine with pharmacological activity similar to that of both CHLORPROMAZINE and PROMETHAZINE. It has the histamine-antagonist properties of the antihistamines together with CENTRAL NERVOUS SYSTEM effects resembling those of chlorpromazine. (From Martindale, The Extra Pharmacopoeia, 30th ed, p604). methotrimeprazine : A member of the class of phenothiazines that is 10H-phenothiazine substituted by a (2R)-3-(dimethylamino)-2-methylpropyl group and a methoxy group at positions 10 and 2 respectively. | 2.07 | 1 | 0 | phenothiazines; tertiary amine | anticoronaviral agent; cholinergic antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; non-narcotic analgesic; phenothiazine antipsychotic drug; serotonergic antagonist |
4-o-methyl-12-o-tetradecanoylphorbol 13-acetate [no description available] | 2.01 | 1 | 0 | | |
teleocidin b-4 teleocidins: structure; RN given refers to teleocidin | 1.97 | 1 | 0 | | |
grepafloxacin grepafloxacin: structure in first source | 2 | 1 | 0 | fluoroquinolone antibiotic; quinolines; quinolone antibiotic | |
pr-d-92 PR-D-92: anti-anaphylactic drug | 1.95 | 1 | 0 | | |
dauricine dauricine: RN given refers to parent cpd. dauricine : A bisbenzylisoquinoline alkaloid resulting from the formal oxidative dimerisation of 4-{[(1R)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl}phenol by attachment of the phenolic oxygen of one molecule to the benzene ring of the second (ortho to the phenolic hydroxy group of the latter). | 2.02 | 1 | 0 | aromatic ether; bisbenzylisoquinoline alkaloid; isoquinolines; phenols; tertiary amino compound | plant metabolite |
2,6-difluoropyridine [no description available] | 2.04 | 1 | 0 | | |
tutin tutin: neurotoxin found in Coriaria shrubs; hyenanchin is the hydroxy derivative; structure | 1.96 | 1 | 0 | gamma-lactone | |
methylimidazoleacetic acid methylimidazoleacetic acid: urinary metabolite of histamine & end product of histamine metabolism; RN given refers to parent cpd. 1-methyl-4-imidazoleacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1-methyl-1H-imidazol-4-yl group.. 1-methyl-4-imidazoleacetate : A monocarboxylic acid anion that is the conjugate base of 1-methyl-4-imidazoleacetic acid, obtained by deprotonation of the carboxy group. | 1.98 | 1 | 0 | imidazoles; monocarboxylic acid | GABA agonist; metabolite |
2-(2-aminoethyl)pyridine 2-(2-aminoethyl)pyridine: histamine H1 receptor agonist inducing cross-tolerance to histamine; RN given refers to parent cpd; structure | 4.8 | 33 | 0 | aminoalkylpyridine; primary amine | histamine agonist; metabolite |
1-benzylimidazole 1-benzylimidazole: inhibits human thromboxane synthetase | 2.04 | 1 | 0 | | |
rivastigmine [no description available] | 3.55 | 2 | 0 | carbamate ester; tertiary amino compound | cholinergic drug; EC 3.1.1.8 (cholinesterase) inhibitor; neuroprotective agent |
rosiglitazone [no description available] | 3.35 | 6 | 0 | aminopyridine; thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; insulin-sensitizing drug |
flunisolide flunisolide: flunisolide HFA is a formulation of flunisolide using hydrofluoroalkane (HFA) as propellant in place of chlorofluorocarbon (CFC) ones | 2.07 | 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 |
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. | 2.44 | 2 | 0 | macrolide antibiotic | antibacterial drug; environmental contaminant; protein synthesis inhibitor; xenobiotic |
cp094 1,2-diethyl-3-hydroxypyridin-4-one: structure given in first source | 2 | 1 | 0 | | |
6-chloroindole [no description available] | 2.04 | 1 | 0 | indoles | |
2-(2-aminoethyl)thiazole 2-(2-aminoethyl)thiazole: receptor H1 agonist; RN given refers to parent cpd | 4.23 | 18 | 0 | 1,3-thiazoles | |
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. | 4.57 | 25 | 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 |
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. | 1.96 | 1 | 0 | iditol | fungal metabolite |
17-alpha-hydroxypregnenolone 17-alpha-Hydroxypregnenolone: A 21-carbon steroid that is converted from PREGNENOLONE by STEROID 17-ALPHA-HYDROXYLASE. It is an intermediate in the delta-5 pathway of biosynthesis of GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.. 17alpha-hydroxypregnenolone : A hydroxypregnenolone carrying an alpha-hydroxy group at position 17. | 3.1 | 1 | 0 | 17alpha-hydroxy-C21-steroid; 17alpha-hydroxy steroid; 3beta-hydroxy-Delta(5)-steroid; hydroxypregnenolone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
alpha,beta-methyleneadenosine 5'-triphosphate alpha,beta-methyleneadenosine 5'-triphosphate: do not confuse with beta,gamma-methylene ATP; RN given refers to parent cpd | 3.46 | 7 | 0 | nucleoside triphosphate analogue | |
5-(3-hydroxyphenyl)-5-phenylhydantoin 5-(3-hydroxyphenyl)-5-phenylhydantoin: metabolite of phenytoin; RN given refers to cpd without isomeric designation | 3.1 | 1 | 0 | | |
2-methylhistamine 2-methylhistamine: RN given refers to parent cpd. 2-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the 2 position on the ring. | 5.56 | 23 | 0 | aralkylamino compound; imidazoles | histamine agonist; metabolite |
sk&f 95282 zolantidine: structure given in first source | 4.19 | 17 | 0 | piperidines | |
7-amino-4-methylcoumarin 7-amino-4-methylcoumarin: RN given refers to parent cpd | 3.1 | 1 | 0 | 7-aminocoumarins | fluorochrome |
11-hydroxyprogesterone, (11alpha)-isomer 11alpha-hydroxyprogesterone : A 11alpha-hydroxy steroid that is pregn-4-ene-3,20-dione substituted by a hydroxy group at position 11. | 3.1 | 1 | 0 | 11alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(4) steroid | |
corynanthine Corynanthine: A stereoisomer of yohimbine. | 1.96 | 1 | 0 | yohimban alkaloid | |
brexanolone brexanolone: a mixture of allopregnanolone and sulfobutylether‐beta‐cyclodextrin for treatment of postpartum depression. brexanolone : A 3-hydroxy-5alpha-pregnan-20-one in which the hydroxy group at position 3 has alpha-configuration. It is a metabolite of the sex hormone progesterone and used for the treatment of postpartum depression in women. | 3.1 | 1 | 0 | 3-hydroxy-5alpha-pregnan-20-one | antidepressant; GABA modulator; human metabolite; intravenous anaesthetic; sedative |
3,5-diiodothyronine, (l)-isomer [no description available] | 3.1 | 1 | 0 | phenylalanine derivative | |
glycylsarcosine glycylsarcosine : A dipeptide obtained by formal condensation of the carboxy group of glycine with the amino group of sarcosine. | 2.42 | 2 | 0 | dipeptide zwitterion; dipeptide | |
phenylisopropyladenosine [no description available] | 2.7 | 3 | 0 | aromatic amine; benzenes; hydrocarbyladenosine; purine nucleoside; secondary amino compound | adenosine A1 receptor agonist; neuroprotective agent |
levcromakalim [no description available] | 2.07 | 1 | 0 | 1-benzopyran | |
cp 41 CP 41: structure in first source | 2 | 1 | 0 | | |
5,6-dihydrouridine dihydrouridine : The uridine derivative obtained by formal hydrogenation of the endocyclic double bond in the uracil ring. | 1.96 | 1 | 0 | uridines | biomarker |
1-ethyl-2-methyl-3-hydroxypyridin-4-one [no description available] | 2 | 1 | 0 | | |
harmol hydrochloride [no description available] | 3.1 | 1 | 0 | | |
imidazoleacetic acid imidazoleacetic acid: RN given refers to cpd without specific location of acetic acid attachment identified; structure. imidazol-5-ylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by an imidazol-5-yl group.. imidazol-4-ylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by an imidazol-4-yl group. | 1.96 | 1 | 0 | imidazoles; monocarboxylic acid | metabolite; mouse metabolite |
diosgenin [no description available] | 3.1 | 1 | 0 | 3beta-sterol; hexacyclic triterpenoid; sapogenin; spiroketal | antineoplastic agent; antiviral agent; apoptosis inducer; metabolite |
sarsasapogenin, (3beta,5alpha,25r)-isomer tigogenin : A widely used steroidal sapogenin isolated from several plant species and used for synthesizing steroid drugs. | 3.1 | 1 | 0 | sapogenin | gout suppressant; plant metabolite |
3 alpha,17 alpha-dihydroxy-5 beta-pregnan-20-one 3alpha,17alpha-dihydroxy-5beta-pregnan-20-one : A 17alpha-hydroxy steroid that is 3alpha-hydroxy-5beta-pregnan-20-one carrying an additional hydroxy group at position 17alpha. | 3.1 | 1 | 0 | 17alpha-hydroxy steroid; 20-oxo steroid; 3alpha-hydroxy steroid; C21-steroid; corticosteroid hormone | human urinary metabolite |
2-methoxyestriol [no description available] | 3.1 | 1 | 0 | | |
hexylcaine hydrochloride [no description available] | 2.07 | 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. | 1.97 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
p-methoxy-n-methylphenethylamine p-Methoxy-N-methylphenethylamine: A potent mast cell degranulator. It is involved in histamine release.. N,O-dimethyltyramine : A secondary amino compound that is tyramine in which the hydrogen of the phenolic hydroxy group has been replaced by a methyl group. | 7.45 | 47 | 1 | aromatic ether; secondary amino compound | metabolite |
enkephalin, d-penicillamine (2,5)- Enkephalin, D-Penicillamine (2,5)-: A disulfide opioid pentapeptide that selectively binds to the DELTA OPIOID RECEPTOR. It possesses antinociceptive activity.. DPDPE : A heterodetic cyclic peptide that is a cyclic enkephalin analogue, having D-penicillaminyl residues located at positions 2 and 5, which form the heterocycle via a disulfide bond. | 2.54 | 2 | 0 | heterodetic cyclic peptide | delta-opioid receptor agonist |
u 73122 1-(6-((3-methoxyestra-1,3,5(10)-trien-17-yl)amino)hexyl)-1H-pyrrole-2,5-dione: structure given in first source. U-73122 : An aza-steroid that is 3-O-methyl-17beta-estradiol in which the 17beta-hydroxy group is replaced by a 6-(maleimid-1-yl)hexylamino group. An inibitor of phospholipase C. | 3.11 | 5 | 0 | aromatic ether; aza-steroid; maleimides | EC 3.1.4.11 (phosphoinositide phospholipase C) inhibitor |
imipenem, anhydrous Imipenem: Semisynthetic thienamycin that has a wide spectrum of antibacterial activity against gram-negative and gram-positive aerobic and anaerobic bacteria, including many multiresistant strains. It is stable to beta-lactamases. Clinical studies have demonstrated high efficacy in the treatment of infections of various body systems. Its effectiveness is enhanced when it is administered in combination with CILASTATIN, a renal dipeptidase inhibitor.. imipenem : A broad-spectrum, intravenous beta-lactam antibiotic of the carbapenem subgroup. | 2.07 | 1 | 0 | beta-lactam antibiotic allergen; carbapenems; zwitterion | antibacterial drug |
quin2 Quin2: fluorescent highly selective Ca indicator, binding Ca 1:1; structure given in first source | 2.38 | 2 | 0 | | |
sr141716 [no description available] | 2.44 | 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. | 2.07 | 1 | 0 | primary alcohol; pyrimidines; sulfonamide | antihypertensive agent; endothelin receptor antagonist |
cp-55,940 [no description available] | 3.19 | 5 | 0 | | |
u 74389f U 74389F: a 21-aminosteroid antioxidant (lazaroids); inhibitor of iron-dependent lipid peroxidation; structure in first source | 1.98 | 1 | 0 | | |
cp 96345 CP 96345: structure given in first source; potent nonpeptide antagonist of the substance P (NK1) receptor; CP 96344 is enantiomer of CP 96345 | 2.91 | 4 | 0 | | |
2-hydroxyamino-1-methyl-6-phenylimidazo(4,5-b)pyridine 2-hydroxyamino-1-methyl-6-phenylimidazo(4,5-b)pyridine: directly acting genotoxic metabolite of 2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine. N-hydroxy-PhIP : An imidazopyridine that is 1H--imidazo[4,5-b]pyridine which is substituted at positions 1, 2, and 6 by methyl, hydoxyamino, and phenyl groups, respectively. The active metabolite of the dietary carcinogen PhIP. | 3.1 | 1 | 0 | hydroxylamine; imidazopyridine | carcinogenic agent; genotoxin; human xenobiotic metabolite; mouse metabolite; mutagen; neurotoxin; rat metabolite |
1-(2-(3-(4-methoxyphenyl)propoxy)-4-methoxyphenylethyl)-1h-imidazole 1-(2-(3-(4-methoxyphenyl)propoxy)-4-methoxyphenylethyl)-1H-imidazole: inhibits platelet aggregation & Ca2+ entry into platelets. SKF-96365 free base : An ether that is 2-(1H-imidazol-1-yl)-1-(4-methoxyphenyl)ethanol in which the hydrogen of the hydroxy group has been substituted by a 3-(4-methoxyphenyl)propyl group. | 1.98 | 1 | 0 | ether; imidazoles; monomethoxybenzene | TRP channel blocker |
sr 48968 SR 48968: structure given in first source; neurokinin A antagonist; tachykinin receptor antagonist; SR 48965 is the inactive R-enantiomer of SR 48968 | 3.24 | 6 | 0 | | |
fpl 55712 FPL 55712: inhibitor of SRS-A and LTC4 and LTD4 receptors | 6.22 | 34 | 1 | aromatic ketone | |
bradykinin, des-arg(9)- bradykinin, des-Arg(9)-: RN given refers to parent cpd | 2 | 1 | 0 | oligopeptide | bradykinin receptor B2 agonist |
(3h)2-carbomethoxy-3-(4-fluorophenyl)tropane (1R-(exo,exo))-3-(4-fluorophenyl)-8-methyl-8- azabicyclo(3.2.1)octane-2-carboxylic acid, methyl ester: RN given refers to (1R-(exo,exo))-isomer | 2.02 | 1 | 0 | | |
indo-1 indo-1: structure given in first source | 1.97 | 1 | 0 | indoles | fluorochrome |
fura-2-am fura-2-am: pentaester precursor of fura-2 | 2.01 | 1 | 0 | | |
quin2-acetoxymethyl ester Quin2-acetoxymethyl ester: structure given in first source | 1.96 | 1 | 0 | | |
u 69593 U 69593: selective ligand for opioid K-receptor. U69593 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of phenylacetic acid and the secodary amino group of (5R,7S,8S)-N-methyl-7-(pyrrolidin-1-yl)-1-oxaspiro[4.5]decan-8-amine. | 1.99 | 1 | 0 | monocarboxylic acid amide; N-alkylpyrrolidine; organic heterobicyclic compound; oxaspiro compound | anti-inflammatory agent; diuretic; kappa-opioid receptor agonist |
lc 6 LC 6: RN given refers to (trans)-isomer; structure | 1.96 | 1 | 0 | | |
cv 3988 CV 3988: platelet activating factor antagonist; structure given in first source | 2.88 | 4 | 0 | | |
7,7-diphenyl-2-(1-imino-2-(2-methoxyphenyl)ethyl)perhydroisoindol-4-one 7,7-diphenyl-2-(1-imino-2-(2-methoxyphenyl)ethyl)perhydroisoindol-4-one: structure given in first source; RP 68651 is the inactive (3aS,7aS)-isomer; substance P antagonist | 2.69 | 3 | 0 | | |
sivelestat sivelestat: inhibitor of neutrophil elastase; structure given in first source | 2.07 | 1 | 0 | N-acylglycine; pivalate ester | |
inositol 1-phosphate 1D-myo-inositol 1-phosphate : An inositol having myo- configuration substituted at position 1 by a phosphate group. | 3.35 | 7 | 0 | | |
cv 6209 CV 6209: platelet activating factor antagonist; structure given in first source | 2.03 | 1 | 0 | | |
methoctramine methoctramine: structure given in first source. methoctramine : A tetramine that is N,N'-bis(6-aminohexyl)octane-1,8-diamine where the primary amino groups both carry 2-methoxybenzyl substituents.. methoctramine tetrahydrochloride : A hydrochloride obtained by combining methoctramine with four molar equivalents of hydrochloric acid. | 2.45 | 2 | 0 | hydrochloride | muscarinic antagonist |
5-hydroxypropafenone [no description available] | 2.02 | 1 | 0 | phenols | |
ecopipam ecopipam: structure given in first source | 3.1 | 1 | 0 | benzazepine | |
fk 888 FK 888: structure given in first source; a potent NK(1) receptor antagonist | 1.99 | 1 | 0 | peptide | |
3,5-dihydroxyphenylglycine 3,5-dihydroxyphenylglycine: a potent agonst of metabotropic glutamate receptors | 2.05 | 1 | 0 | alpha-amino acid | |
5-methoxy 3-(1,2,3,6-tetrahydro-4-pyridinyl)1h indole [no description available] | 1.98 | 1 | 0 | indoles | |
alpha-(4-fluorophenyl)-4-(5-fluoro-2-pyrimidinyl)-1-piperazine butanol alpha-(4-fluorophenyl)-4-(5-fluoro-2-pyrimidinyl)-1-piperazine butanol: NM refers to free form; BMY 14802-1 is the HCl; structure given in first source | 2.05 | 1 | 0 | N-arylpiperazine | |
ml 9 [no description available] | 1.98 | 1 | 0 | | |
tesmilifene [no description available] | 1.98 | 1 | 0 | diarylmethane | |
kt 5823 KT 5823: indolocarbazole; activates human neutrophils & fails to inhibit cGMP-dependent protein kinase phosphorylation of vimentin. KT 5823 : An organic heterooctacyclic compound that is 1H,1'H-2,2'-biindole in which the nitrogens have undergone formal oxidative coupling to positions 2 and 5 of methyl (3R)-3-methoxy-2-methyltetrahydrofuran-3-carboxylate (the 2S,3R,5R product), and in which the 3 and 3' positions of the biindole moiety have also undergone formal oxidative coupling to positions 3 and 4 of 1-methyl-1,5-dihydro-2H-pyrrol-2-one. | 2.02 | 1 | 0 | gamma-lactam; hemiaminal; indolocarbazole; methyl ester; organic heterooctacyclic compound | EC 2.7.11.12 (cGMP-dependent protein kinase) inhibitor |
1-hexadecyl-2-acetyl-glycero-3-phosphocholine Platelet Activating Factor: A phospholipid derivative formed by PLATELETS; BASOPHILS; NEUTROPHILS; MONOCYTES; and MACROPHAGES. It is a potent platelet aggregating agent and inducer of systemic anaphylactic symptoms, including HYPOTENSION; THROMBOCYTOPENIA; NEUTROPENIA; and BRONCHOCONSTRICTION.. 2-O-acetyl-1-O-hexadecyl-sn-glycero-3-phosphocholine : A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine betaine which has hexadecyl as the alkyl group. PAF is a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis. | 6.54 | 47 | 1 | 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine | antihypertensive agent; beta-adrenergic antagonist; bronchoconstrictor agent; hematologic agent; vasodilator agent |
sr 140333 SR 140333: SR-140603 is the (R)-antipode of SR-140333; a neurokinin-1 receptor antagonist | 2.4 | 2 | 0 | | |
zacopride [no description available] | 1.97 | 1 | 0 | benzamides | |
deoxyglucose Deoxyglucose: 2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity.. deoxyglucose : A deoxyhexose comprising glucose having at least one hydroxy group replaced by hydrogen. | 2.39 | 2 | 0 | | |
u 73343 U 73343: an inactive analog of U 73122 | 2 | 1 | 0 | | |
ibuprofen, (r)-isomer [no description available] | 3.1 | 1 | 0 | ibuprofen | |
thromboxanes thromboxane : A class of oxygenated oxane derivatives, originally derived from prostaglandin precursors in platelets, that stimulate aggregation of platelets and constriction of blood vessels. | 2.69 | 3 | 0 | | |
11-hydroxytestosterone 11-hydroxytestosterone: RN given refers to (11 beta,17 beta)-isomer. 11beta-hydroxytestosterone : An androstanoid that is testosterone carrying an additional hydroxy substituent at the 11beta-position. | 3.1 | 1 | 0 | 11beta-hydroxy steroid; 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; androstanoid; C19-steroid | bacterial xenobiotic metabolite; human xenobiotic metabolite; marine metabolite |
norbuprenorphine norbuprenorphine: metabolite of buprenorphine found in urine & feces; RN given refers to (5alpha,7alpha)-isomer; structure given in first source | 3.1 | 1 | 0 | phenanthrenes | |
way 100135 WAY 100135: a selective antagonist at presynaptic & postsynaptic 5-HT(1A) receptors; structure given in first source | 2.45 | 2 | 0 | piperazines | |
isofloxythepin isofloxythepin: RN given refers to unlabeled cpd; structure | 1.97 | 1 | 0 | | |
ici 198615 ICI 198615: an LTD4 receptor antagonist; SRS-A antagonist; structure given in first source | 3.59 | 9 | 0 | | |
paliperidone 3-{2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl}-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one : A member of the class of pyridopyrimidines that is 9-hydroxy-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.. paliperidone : A racemate comprising equimolar amounts of (R)- and (S)-paliperidone. Paliperidone is the primary active metabolite of the older antipsychotic risperidone and is used for treatment of schizophrenia. | 2.04 | 1 | 0 | 1,2-benzoxazoles; heteroarylpiperidine; organofluorine compound; pyridopyrimidine; secondary alcohol | |
4-(2-chlorophenyl)-2-(2-(4-isobutylphenyl)ethyl)-6,9-dimethyl-6h-thieno(3,2-f)(1,2,4)triazolo(4,3-a)(1,4)diazepine 4-(2-chlorophenyl)-2-(2-(4-isobutylphenyl)ethyl)-6,9-dimethyl-6H-thieno(3,2-f)(1,2,4)triazolo(4,3-a)(1,4)diazepine: PAF antagonist | 2.39 | 2 | 0 | | |
sr 48692 SR 48692: structure in first source; a neurotensin receptor-1 antagonist | 1.99 | 1 | 0 | N-acyl-amino acid | |
benzo(a)pyrene-3,6-quinol [no description available] | 3.1 | 1 | 0 | | |
arg-3-hyp-7-phe-bradykinin NPC 567: bradykinin receptor antagonist. NPC-567 : A ten-membered oligopeptide comprising D-arginyl, L-arginyl, L-prolyl, (4R)-4-hydroxy-L-prolyl, glycyl, L-phenylalanyl, L-seryl, D-phenylalanyl, L-phenylalanyl and L-arginine residues joined in sequence. | 3.01 | 4 | 0 | oligopeptide | bradykinin receptor antagonist |
k 76 carboxylic acid K 76 carboxylic acid: effective in blocking formation of chemotactic factor for tumor cells from human complement; oxidized product of sesquiterpene derivative K 76 from fungus Stachybotrys complementi; do not confuse with hydroxamic acid K-76 | 2.01 | 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. | 2.03 | 1 | 0 | benzothiazoles; diamine | antidyskinesia agent; antiparkinson drug; dopamine agonist; radical scavenger |
gr 73632 GR 73632: neurokinin receptor agonist | 1.99 | 1 | 0 | | |
fpl-52694 FPL-52694: mast cell stabilizer; RN given refers to parent cpd; FPL-52694 is mono-Na salt; structure given in first source | 2.4 | 2 | 0 | | |
l 658758 L 658758: structure & chemical name given in UD | 1.97 | 1 | 0 | | |
l 648051 L 648051: antagonist of leukotriene D4 receptor; structure in first source | 2.37 | 2 | 0 | | |
2-(n,n-dimethylamino)-6,7-dihydroxytetralin [no description available] | 1.95 | 1 | 0 | | |
kadsurenone kadsurenone: platelet-activating factor receptor antagonist from Chinese herbal plant, haifenteng; structure given in first source; RN given refers to (2s-(2alpha,3beta,3aalpha))-isomer | 1.96 | 1 | 0 | benzofurans | |
l 659989 L 659989: structure given in first source; platelet activating factor receptor antagonist; RN given refers to cpd without isomeric designation | 2.38 | 2 | 0 | | |
l 651392 4-bromo-2,7-dimethoxy-3H-phenothiazin-3-one: structure given in first source | 1.97 | 1 | 0 | | |
kallidin, des-arg(10)- kallidin, des-Arg(10)-: includes both L and D isomers of Phe(8) | 2.08 | 1 | 0 | | |
levalbuterol Levalbuterol: The R-isomer of albuterol. | 2 | 1 | 0 | albuterol | |
lofentanil lofentanil: RN given refers to cpd without isomeric designation. lofentanyl : The carboxamide resulting from the formal condensation of the aryl amino group of methyl 4-anilino-3-methyl-1-(2-phenylethyl)piperidine-4-carboxylate with propanoic acid. | 1.97 | 1 | 0 | methyl ester; piperidines; tertiary amino compound; tertiary carboxamide | mu-opioid receptor agonist; opioid analgesic |
t-kinin T-kinin: from rat plasma | 1.99 | 1 | 0 | peptide | |
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. | 3.65 | 9 | 0 | adenosines; monocarboxylic acid amide; organoiodine compound | adenosine A3 receptor agonist |
1-(1-(2-benzo(b)thienyl)cyclohexyl)piperidine 1-(1-(2-benzo(b)thienyl)cyclohexyl)piperidine: structure given in first source. 1-[1-(1-benzothiophen-2-yl)cyclohexyl]piperidine : A tertiary amino compound that consists of cyclohexane having piperidin-1-yl and benzothiophen-2-yl groups attached at position 1. A potent dopamine re-uptake inhibitor with a behavioral profile different from that of phencyclidine (PCP) and similar to that of cocaine. | 3.47 | 7 | 0 | 1-benzothiophenes; piperidines; tertiary amino compound | dopamine uptake inhibitor |
met-enkephalinamide [no description available] | 1.98 | 1 | 0 | | |
bay x 1005 2-(4-(quinolin-2-yl-methoxy)phenyl)-2-cyclopentylacetic acid: inhibits synthesis of leukotriene B4 and 5-hydroxyeicosatetraenoic acid; inhibits five-lipoxygenase activating protein(FLAP)and leukotriene A4 hydrolase(LTA4H); structure given in first source; | 2.91 | 4 | 0 | | |
ru-28362 11,17-dihydroxy-6-methyl-17-(1-propynyl)androsta-1,4,6-triene-3-one: glucocorticoid receptor agonist; RN given refers to (11beta,17beta)-isomer | 1.98 | 1 | 0 | | |
2-chloro-n(6)cyclopentyladenosine 2-chloro-N(6)cyclopentyladenosine: highly selective agonist at A1 adenosine receptors | 2 | 1 | 0 | | |
ramatroban [no description available] | 2.45 | 2 | 0 | organic molecular entity | |
bradykinin, leu(8)-des-arg(9)- bradykinin, Leu(8)-des-Arg(9)-: RN given refers to (L)-isomer | 1.97 | 1 | 0 | | |
enkephalin, met(2)-pronh2(5)- [no description available] | 1.97 | 1 | 0 | | |
e 64 E 64: cysteine protease inhibitor of microbial origin, which inhibits cathepsin B (EC 3.4.22.1) and cathepsin L (EC 3.4.22.-) | 1.99 | 1 | 0 | dicarboxylic acid monoamide; epoxy monocarboxylic acid; guanidines; L-leucine derivative; zwitterion | antimalarial; antiparasitic agent; protease inhibitor |
neurokinin a(4-10), tyr(5)-trp(6,8,9)-lys(10)- neurokinin A(4-10), Tyr(5)-Trp(6,8,9)-Lys(10)-: tachykinin receptor antagonist | 2.4 | 2 | 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. | 2.42 | 2 | 0 | benzocycloheptapyridine | anti-allergic agent; cholinergic antagonist; drug metabolite; H1-receptor antagonist |
w 7 [no description available] | 1.96 | 1 | 0 | | |
glycerophosphoinositol 4,5-bisphosphate glycerophosphoinositol 4,5-bisphosphate: do not confuse with phosphatidylinositols which have fatty acids esterified at the C-1 and C-2 hydroxyl groups of glycerol | 2.04 | 1 | 0 | | |
pre 084 2-(4-morpholino)ethyl-1-phenylcyclohexane-1-carboxylate: structure given in first source | 2.08 | 1 | 0 | morpholines | |
2-phenyl-3-(n,n-dimethylaminopropyl)-1,3-thiazolidin-4-one 2-phenyl-3-(N,N-dimethylaminopropyl)-1,3-thiazolidin-4-one: structure given in first source; RN refers to monohydrochloride | 2.38 | 2 | 0 | | |
amthamine amthamine: histamine H2 receptor agonist; structure & RN given in first source; RN given refers to parent cpd | 2.73 | 3 | 0 | thiazoles | |
methotrexate [no description available] | 2.91 | 4 | 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 |
iodobolpyramine iodobolpyramine: probe for histamine H1 receptors; ligand of Bolton-Hunter reagent & mepyramine analog; labeled with (125)I; structure given in first source | 4.32 | 6 | 0 | | |
2-n-butyl-3-(dimethylamino)-5,6-methylenedioxyindene 2-n-butyl-3-(dimethylamino)-5,6-methylenedioxyindene: affects calcium-induced arrhythmias; RN given refers to parent cpd | 1.96 | 1 | 0 | | |
n-depropylpropafenone N-depropylpropafenone: propafenone metabolite; structure given in first source | 2.02 | 1 | 0 | | |
xaliproden xaliproden : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine which is substituted on the nitrogen by a 2-(2-naphthyl)ethyl group and at position 4 by a m-trifluoromethylphenyl group. | 2.07 | 1 | 0 | (trifluoromethyl)benzenes; naphthalenes; tertiary amino compound; tetrahydropyridine | serotonergic agonist |
e 6080 [no description available] | 1.98 | 1 | 0 | | |
nz 107 NZ 107: structure given in first source; LTB4, LTC4 and LTD4 antagonist; | 1.98 | 1 | 0 | | |
l 663581 L 663581: structure given in first source; partial agonist at the benzodiazepine receptor | 2.41 | 2 | 0 | | |
n-isobutyrylcysteine N-isobutyrylcysteine: RN given refers to L-isomer | 2.07 | 1 | 0 | | |
dexpanthenol dexpanthenol: The alcohol of pantothenic acid | 2.52 | 2 | 0 | amino alcohol; monocarboxylic acid amide | cholinergic drug; provitamin |
quilostigmine quilostigmine: RN given for (3aS,cis)-isomer; structure in first source | 2.07 | 1 | 0 | pyrroloindole | |
l 703606 L 703606: structure given in first source | 2.47 | 2 | 0 | | |
omega-n-methylarginine omega-N-Methylarginine: A competitive inhibitor of nitric oxide synthetase.. N(omega)-methyl-L-arginine : A L-arginine derivative with a N(omega)-methyl substituent. | 3.1 | 5 | 0 | amino acid zwitterion; arginine derivative; guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | |
iodoproxyfan iodoproxyfan: structure given in first source | 2.02 | 1 | 0 | | |
zm 230487 ZM 230487: a 5-lipoxygenase inhibitor | 1.99 | 1 | 0 | | |
rupatadine rupatadine: structure given in first source; RN given refers to trihydrochloride | 1.99 | 1 | 0 | benzocycloheptapyridine | |
imiloxan [no description available] | 2.07 | 1 | 0 | benzodioxine | |
aspartame [no description available] | 2.07 | 1 | 0 | carboxylic acid; dipeptide zwitterion; dipeptide; methyl ester | apoptosis inhibitor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; environmental contaminant; micronutrient; nutraceutical; sweetening agent; xenobiotic |
valerylsalicylate valerylsalicylic acid: significantly inhibited [3H]thymidine; inhibitor of normal epithelial cell proliferation and growth of malignant cells. valerylsalicylic acid : A valerate ester that is salicylic acid in which the phenolic hydrogen is replaced by a valeryl (pentanoyl) group. | 2.11 | 1 | 0 | benzoic acids; salicylates; valerate ester | cyclooxygenase 1 inhibitor |
tempol [no description available] | 2.07 | 1 | 0 | aminoxyls; hydroxypiperidine | anti-inflammatory agent; antineoplastic agent; apoptosis inducer; catalyst; hepatoprotective agent; nephroprotective agent; neuroprotective agent; radical scavenger |
bw 443c [no description available] | 1.98 | 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. | 2.05 | 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 |
escitalopram Escitalopram: S-enantiomer of CITALOPRAM. Belongs to a class of drugs known as SELECTIVE SEROTONIN REUPTAKE INHIBITORS, used to treat depression and generalized anxiety disorder.. escitalopram : A 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile that has S-configuration at the chiral centre. It is the active enantiomer of citalopram. | 2.25 | 1 | 0 | 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile | antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
ci 922 CI 922: inhibits IgE induced release of histamine | 1.97 | 1 | 0 | | |
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. | 2.73 | 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 |
9-(2-hydroxy-3-nonyl)adenine (2R,3S)-EHNA : EHNA of absolute configuration 2R,3S. Selective inhibitor of cGMP-stimulated phosphodiesterase (PDE2) (IC50 = 0.8 - 4 mM). Also a potent inhibitor of adenosine deaminase. | 2.04 | 1 | 0 | EHNA | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor |
alpha-methylhistidine alpha-methylhistidine : A non-proteinogenic alpha-amino acid that is histidine in which the methyl group is located at the Calpha-position.. alpha-methyl-L-histidine : An alpha-methylhistidine that has L-configuration. | 1.99 | 1 | 0 | alpha-methylhistidine | |
vatalanib [no description available] | 2.07 | 1 | 0 | monochlorobenzenes; phthalazines; pyridines; secondary amino compound | angiogenesis inhibitor; antineoplastic agent; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; vascular endothelial growth factor receptor antagonist |
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. | 2.07 | 1 | 0 | aromatic ether; cyclopropanes; fluoroquinolone antibiotic; pyrrolidinopiperidine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antibacterial drug |
clevidipine clevidipine: a calcium channel blocker and antihypertensive agent; structure in first source | 2.07 | 1 | 0 | dihydropyridine | |
centchroman Centchroman: A non-steroidal anti-fertility agent with anti-hormonal properties. | 1.96 | 1 | 0 | | |
hyoscyamine Hyoscyamine: The 3(S)-endo isomer of atropine.. (S)-atropine : An atropine with a 2S-configuration. | 2.48 | 2 | 0 | tropane alkaloid | |
phorbols Phorbols: The parent alcohol of the tumor promoting compounds from CROTON OIL (Croton tiglium). | 1.96 | 1 | 0 | diterpene; terpenoid fundamental parent | |
desmethylastemizole desmethylastemizole: astemizole metabolite in dog plasma; structure given in first source | 1.96 | 1 | 0 | benzimidazoles | |
ym 09151-2 nemonapride: structure in first source; RN given refers to compound with no isomeric designation. nemonapride : A racemate composed of (2S,3S)- and (2R,3R)-enantiomers of nemonapride. Highly potent dopamine D2-like receptor antagonist; selective over D1-like receptors (Ki values are 0.1 and 740 nM for D2-like and D1-like receptors respectively). Also potent 5-HT1A receptor agonist (IC50 = 34 nM) and has affinity for sigma receptors.. (2R,3R)-nemonapride : An optically active form of nemonapride having (2R,3R)-configuration. | 3.37 | 1 | 1 | N-(1-benzyl-2-methylpyrrolidin-3-yl)-5-chloro-2-methoxy-4-(methylamino)benzamide | |
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. | 11.02 | 8 | 1 | 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 |
alpha-methylhistamine (R)-alpha-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the alpha-position (the R-enantiomer). | 4.23 | 5 | 0 | aralkylamino compound; imidazoles | H3-receptor agonist |
lactitol lactitol : A glycosyl alditol consisting of beta-D-galactopyranose and D-glucitol joined by a 1->4 glycosidic bond. It is used as a laxative, as an excipient, and as replacement bulk sweetener in some low-calorie foods. | 2.07 | 1 | 0 | glycosyl alditol | cathartic; excipient; laxative |
olmesartan olmesartan: an active metabolite of CS 866 | 2.07 | 1 | 0 | biphenylyltetrazole | angiotensin receptor antagonist; antihypertensive agent |
camphora camphora: a component of Guanxingao, a kind of traditional Chinese rubber electuary medicine which is able to either cure or guard against coronary heart disease and angina pectoris. (R)-camphor : The (R)- enantiomer of camphor. | 1.96 | 1 | 0 | camphor | |
ds 4574 DS 4574: peptidoleukotriene receptor antagonist used in treatment of hypersensitivity; RN from Chemline for pyrimidin-9(1H)-one cpd | 1.98 | 1 | 0 | | |
cortolone [no description available] | 3.1 | 1 | 0 | 21-hydroxy steroid | |
fpl 52757 FPL 52757: FPL 52758 is Na salt of FPL 52757; structure in first source; RN given refers to parent cpd | 2.07 | 1 | 0 | | |
asenapine asenapine : A racemate consisting of equal amounts of (R,R)- and (S,S)-asenapine. Used as its maleate salt for the acute treatment of schizophrenia and acute treatment of manic or mixed episodes associated with bipolar I disorder with or without psychotic features.. (S,S)-asenapine : A 5-chloro-2-methyl-2,3,3a,12b-tetrahydrodibenzo[2,3:6,7]oxepino[4,5-c]pyrrole in which both of the stereocentres have S configuration. | 2.04 | 1 | 0 | 5-chloro-2-methyl-2,3,3a,12b-tetrahydrodibenzo[2,3:6,7]oxepino[4,5-c]pyrrole | |
neurokinin a (4-10), nle(10)- [no description available] | 2.79 | 3 | 0 | | |
substance p, sar(9)-met(o2)(11)- substance P, Sar(9)-Met(O2)(11)-: a neurokinin-1 receptor agonist | 3.19 | 5 | 0 | | |
1-(2,6-dimethylphenoxy)-2-(3,4-dimethoxyphenylethylamino)propane [no description available] | 2.02 | 1 | 0 | | |
aminopotentidine aminopotentidine: structure given in first source; RN given refers to the oxalate. aminopotentidine : A benzamide obtained by formal condensation of the carboxy group of 4-aminobenzoic acid with the primary amino group of 1-(2-aminoethyl)-2-cyano-3-{3-[3-(piperidin-1-ylmethyl)phenoxy]propyl}guanidine. | 2.41 | 2 | 0 | aromatic ether; benzamides; guanidines; nitrile; piperidines; substituted aniline | H2-receptor antagonist |
tartrazine Tartrazine: An anionic, hydrophilic azo dye with an orange-yellow color used in fabrics, foods and cosmetics, and as a biological stain.. tartrazine : An organic sodium salt which is the trisodium salt of tartrazine acid. A synthetic lemon yellow azo dye used as a food colouring. | 1.96 | 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. | 2.07 | 1 | 0 | amino cyclitol glycoside; aminoglycoside antibiotic | anthelminthic drug; antibacterial drug; antiparasitic agent; antiprotozoal drug |
org 4428 [no description available] | 2.04 | 1 | 0 | | |
h 35-25 H 35-25: RN given refers to parent cpd; structure | 1.96 | 1 | 0 | | |
rac 109 RAC 109: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
hexamethylenebis(dimethyl-(3-phthalimidopropyl)ammonium bromide) hexamethylenebis(dimethyl-(3-phthalimidopropyl)ammonium bromide): antidote in organophosphate poisoning | 2 | 1 | 0 | | |
imidazolyl-4-propylamine imidazolyl-4-propylamine: structure given in first source | 2.39 | 2 | 0 | | |
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. | 1.96 | 1 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
angiotensin ii Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | 3.68 | 10 | 0 | amino acid zwitterion; angiotensin II | human metabolite |
fpl 59257 FPL 59257: abolishes cough response & partly inhibits bronchoconstriction produced by leukotrienes C & D | 2.07 | 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. | 12.85 | 143 | 0 | | |
ly 97241 LY 97241: clofilium analog; blocks heart potassium channels; structure given in first source | 2.02 | 1 | 0 | | |
ropivacaine Ropivacaine: An anilide used as a long-acting local anesthetic. It has a differential blocking effect on sensory and motor neurons.. ropivacaine : The piperidinecarboxamide obtained by the formal condensation of N-propylpipecolic acid and 2,6-dimethylaniline.. (S)-ropivacaine : A piperidinecarboxamide-based amide-type local anaesthetic (amide caine) in which (S)-N-propylpipecolic acid and 2,6-dimethylaniline are combined to form the amide bond. | 2.07 | 1 | 0 | piperidinecarboxamide; ropivacaine | local anaesthetic |
zm 241385 ZM 241385: a high affinity radioligand selective for the A2a adenosine receptor | 2.02 | 1 | 0 | diamino-1,3,5-triazine | |
erlotinib [no description available] | 2.07 | 1 | 0 | aromatic ether; quinazolines; secondary amino compound; terminal acetylenic compound | antineoplastic agent; epidermal growth factor receptor antagonist; protein kinase inhibitor |
zeneca zd 6169 Zeneca ZD 6169: an ATP-sensitive potassium channel opener; structure given in first source | 2.07 | 1 | 0 | | |
asimadoline asimadoline: structure in first source | 2 | 1 | 0 | | |
dizocilpine [no description available] | 2.98 | 4 | 0 | secondary amino compound; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
iodoaminopotentidine iodoaminopotentidine: histamine H2 receptor antagonist; structure given in first source | 3.78 | 3 | 0 | | |
sibenadet sibenadet: structure in first source | 2.07 | 1 | 0 | | |
pseudoprotopine pseudoprotopine: from Thalictrum delavayi; structure in first source | 2.03 | 1 | 0 | | |
alpha-fluoromethylhistidine alpha-fluoromethylhistidine: RN given refers to cpd without isomeric designation | 4.55 | 25 | 0 | | |
bd 1047 N-(2-(3,4-Dichlorphenyl)ethyl)-N,N',N'-trimethyl-1,2-ethandiamin: sigma receptor ligand; putative sigma receptor antagonist with antidystonic activity | 2.05 | 1 | 0 | primary amine | |
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. | 3.1 | 1 | 0 | L-cysteine thioether; non-proteinogenic L-alpha-amino acid | mucolytic |
2'-deoxyadenosine 5'-o-(1-thiotriphosphate) 2'-deoxyadenosine 5'-O-(1-thiotriphosphate): RN given refers to cpd without isomeric designation; structure. | 3.16 | 5 | 0 | | |
latrepirdine latrepirdine: structure | 2.07 | 1 | 0 | methylpyridines; pyridoindole | geroprotector |
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. | 2.07 | 1 | 0 | acetate ester; epoxide; macrolide antibiotic; monosaccharide derivative; polyketide; semisynthetic derivative | EC 1.14.13.97 (taurochenodeoxycholate 6alpha-hydroxylase) inhibitor; xenobiotic |
dronedarone Dronedarone: A non-iodinated derivative of amiodarone that is used for the treatment of ARRHYTHMIA.. dronedarone : A member of the class of 1-benzofurans used for the treatment of cardiac arrhythmias. | 2.02 | 1 | 0 | 1-benzofurans; aromatic ether; aromatic ketone; sulfonamide; tertiary amino compound | anti-arrhythmia drug; environmental contaminant; xenobiotic |
ramelteon ramelteon: melatonin MT1/MT2 receptor agonist | 2.07 | 1 | 0 | indanes | |
tv3326 [no description available] | 3.31 | 1 | 0 | indanes | |
lapatinib [no description available] | 2.07 | 1 | 0 | furans; organochlorine compound; organofluorine compound; quinazolines | antineoplastic agent; tyrosine kinase inhibitor |
sorafenib [no description available] | 2.07 | 1 | 0 | (trifluoromethyl)benzenes; aromatic ether; monochlorobenzenes; phenylureas; pyridinecarboxamide | angiogenesis inhibitor; anticoronaviral agent; antineoplastic agent; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; ferroptosis inducer; tyrosine kinase inhibitor |
roxindole [no description available] | 2 | 1 | 0 | indoles | alpha-adrenergic antagonist; serotonergic drug |
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 |
cholic acid Cholic Acid: A major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion.. cholic acid : A bile acid that is 5beta-cholan-24-oic acid bearing three alpha-hydroxy substituents at position 3, 7 and 12. | 3.1 | 1 | 0 | 12alpha-hydroxy steroid; 3alpha-hydroxy steroid; 7alpha-hydroxy steroid; bile acid; C24-steroid; trihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
deoxycholic acid Deoxycholic Acid: A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent.. deoxycholic acid : A bile acid that is 5beta-cholan-24-oic acid substituted by hydroxy groups at positions 3 and 12 respectively. | 2.69 | 3 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human blood serum metabolite |
cortisone [no description available] | 8.06 | 5 | 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 |
epinastine dexamethasone acetate: RN given refers to (11beta,16alpha)-isomer | 1.97 | 1 | 0 | corticosteroid hormone | |
5 alpha-androstane-3 beta,17 beta-diol 5alpha-androstane-3beta,17beta-diol : An androstane-3,17-diol that is 5alpha-androstane substituted by beta-hydroxy groups at positions 3 and 17. It is a metabolite of dihydrotestosterone. | 3.1 | 1 | 0 | 17beta-hydroxy steroid; 3beta-hydroxy steroid; androstane-3,17-diol | Daphnia magna metabolite; human metabolite |
cortol [no description available] | 3.1 | 1 | 0 | 21-hydroxy steroid | |
21-hydroxypregnenolone 21-hydroxypregnenolone: RN given refers to (3beta)-isomer;. 21-hydroxypregnenolone : A hydroxypregnenolone that is pregnenolone which has been substituted by a hydroxy group at position 21. | 3.1 | 1 | 0 | 21-hydroxy steroid; hydroxypregnenolone; primary alpha-hydroxy ketone | mouse metabolite |
2-hydroxyestradiol 2-hydroxyestradiol: catechol estrogen; RN given refers to (17 beta)-isomer. 2-hydroxy-17beta-estradiol : A 2-hydroxy steroid that consists of 17beta-estradiol having an additional hydroxy group at position 2. | 3.1 | 1 | 0 | 17beta-hydroxy steroid; 2-hydroxy steroid | carcinogenic agent; human metabolite; metabolite; mouse metabolite; prodrug |
epietiocholanolone epietiocholanolone : A 3beta-hydroxy steroid that is 5beta-androstane substituted by a hydroxy group at position 3beta and an oxo group at position 17. It is a metabolite of testosterone. | 3.1 | 1 | 0 | 17-oxo steroid; 3beta-hydroxy steroid; androstanoid | androgen; animal metabolite; human blood serum metabolite; mouse metabolite; rat metabolite |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 3.07 | 5 | 0 | | |
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. | 2.07 | 1 | 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. | 2.04 | 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 |
acivicin [no description available] | 1.99 | 1 | 0 | isoxazoles; non-proteinogenic L-alpha-amino acid; organochlorine compound | antileishmanial agent; antimetabolite; antimicrobial agent; antineoplastic agent; EC 2.3.2.2 (gamma-glutamyltransferase) inhibitor; glutamine antagonist; metabolite |
wortmannin [no description available] | 2.01 | 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 |
menthofuran menthofuran: RN given refers to cpd without isomeric designation; derives from cyclization of pulegone. menthofuran : A monoterpenoid that is 4,5,6,7-tetrahydro-1-benzofuran substituted by methyl groups at positions 3 and 6. | 2.07 | 1 | 0 | 1-benzofurans; monoterpenoid | nematicide; plant metabolite |
mrs 1191 MRS 1191: a selective A3 adenosine receptor antagonist; structure given in first source | 2 | 1 | 0 | cinnamate ester | |
dihydropyridines Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 2 | 1 | 0 | | |
picumast picumast: RN & NM refer to di-HCl | 1.97 | 1 | 0 | | |
glycogen glycogen : A polydisperse, highly branched glucan composed of chains of D-glucopyranose residues in alpha(1->4) glycosidic linkage, joined together by alpha(1->6) glycosidic linkages. A small number of alpha(1->3) glycosidic linkages and some cumulative alpha(1->6) links also may occur. The branches in glycogen typically contain 8 to 12 glucose residues. | 3.06 | 5 | 0 | | |
fibrin Fibrin: A protein derived from FIBRINOGEN in the presence of THROMBIN, which forms part of the blood clot. | 1.98 | 1 | 0 | peptide | |
bradykinin [no description available] | 7.54 | 51 | 1 | oligopeptide | human blood serum metabolite; vasodilator agent |
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. | 1.96 | 1 | 0 | D-glucosamine | Escherichia coli metabolite; geroprotector; mouse metabolite |
carnosine polaprezinc: stimulates bone growth | 2.91 | 4 | 0 | amino acid zwitterion; dipeptide | anticonvulsant; antineoplastic agent; antioxidant; Daphnia magna metabolite; geroprotector; human metabolite; mouse metabolite; neuroprotective agent |
raffinose Raffinose: A trisaccharide occurring in Australian manna (from Eucalyptus spp, Myrtaceae) and in cottonseed meal.. raffinose : A trisaccharide composed of alpha-D-galactopyranose, alpha-D-glucopyranose and beta-D-fructofuranose joined in sequence by 1->6 and 1<->2 glycosidic linkages, respectively. | 2.02 | 1 | 0 | raffinose family oligosaccharide; trisaccharide | mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
naringenin (S)-naringenin : The (S)-enantiomer of naringenin. | 3.1 | 1 | 0 | (2S)-flavan-4-one; naringenin | expectorant; plant 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. | 3.09 | 5 | 0 | heterodetic cyclic peptide; peptide hormone | oxytocic; vasodilator agent |
inositol 1,4,5-trisphosphate Inositol 1,4,5-Trisphosphate: Intracellular messenger formed by the action of phospholipase C on phosphatidylinositol 4,5-bisphosphate, which is one of the phospholipids that make up the cell membrane. Inositol 1,4,5-trisphosphate is released into the cytoplasm where it releases calcium ions from internal stores within the cell's endoplasmic reticulum. These calcium ions stimulate the activity of B kinase or calmodulin. | 3.38 | 7 | 0 | myo-inositol trisphosphate | mouse metabolite |
ouabain Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 3.48 | 8 | 0 | 11alpha-hydroxy steroid; 14beta-hydroxy steroid; 5beta-hydroxy steroid; alpha-L-rhamnoside; cardenolide glycoside; steroid hormone | anti-arrhythmia drug; cardiotonic drug; EC 2.3.3.1 [citrate (Si)-synthase] inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; ion transport inhibitor; plant metabolite |
salicin [no description available] | 2.07 | 1 | 0 | aromatic primary alcohol; aryl beta-D-glucoside; benzyl alcohols | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug |
puromycin [no description available] | 1.95 | 1 | 0 | puromycins | antiinfective agent; antimicrobial agent; antineoplastic agent; EC 3.4.11.14 (cytosol alanyl aminopeptidase) inhibitor; EC 3.4.14.2 (dipeptidyl-peptidase II) inhibitor; nucleoside antibiotic; protein synthesis inhibitor |
taxifolin (+)-taxifolin : A taxifolin that has (2R,3R)-configuration. | 1.97 | 1 | 0 | taxifolin | metabolite |
tartaric acid tartaric acid: RN given refers to cpd with unspecified isomeric designation. D-tartaric acid : The D-enantiomer of tartaric acid. | 1.96 | 1 | 0 | tartaric acid | Escherichia coli metabolite |
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. | 2.45 | 2 | 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 |
nitroarginine Nitroarginine: An inhibitor of nitric oxide synthetase which has been shown to prevent glutamate toxicity. Nitroarginine has been experimentally tested for its ability to prevent ammonia toxicity and ammonia-induced alterations in brain energy and ammonia metabolites. (Neurochem Res 1995:200(4):451-6). N(gamma)-nitro-L-arginine : An L-arginine derivative that is L-arginine in which the terminal nitrogen of the guanidyl group is replaced by a nitro group. | 3.25 | 6 | 0 | guanidines; L-arginine derivative; N-nitro compound; non-proteinogenic L-alpha-amino acid | |
xylose 1-phosphate xylose 1-phosphate: RN refers to (D)-isomer. alpha-D-xylose 1-phosphate : A xylose phosphate that is alpha-D-xylose carrying a phosphate group at position 1. | 1.96 | 1 | 0 | xylose phosphate | |
trimethyllysine trimethyllysine: stimulates growth of tumor cells; RN given refers to (S)-isomer | 2 | 1 | 0 | alpha-amino-acid cation | human metabolite; mouse metabolite |
inositol 3-phosphate inositol 3-phosphate: RN given refers to (myo)-isomer | 2.69 | 3 | 0 | | |
2-hydroxyestrone 2-hydroxyestrone: catechol estrogen which is a major metabolite of estradiol in man & animals; RN given refers to parent cpd. 2-hydroxyestrone : A 2-hydroxy steroid that is estrone substituted by a hydroxy group at position 2. | 3.1 | 1 | 0 | 2-hydroxy steroid; catechols | human metabolite |
cortodoxone Cortodoxone: 17,21-Dihydroxypregn-4-ene-3,20-dione. A 17-hydroxycorticosteroid with glucocorticoid and anti-inflammatory activities.. 11-deoxycortisol : A deoxycortisol that is cortisol in which the hydroxy group at position 11 has been replaced by a hydrogen. | 2.02 | 1 | 0 | deoxycortisol; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | 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. | 2.71 | 3 | 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. | 3.78 | 11 | 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. | 2.07 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; carbapenemcarboxylic acid; organic sulfide; pyrrolidinecarboxamide | antibacterial agent; antibacterial drug; drug allergen |
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. | 2.07 | 1 | 0 | cardenolide glycoside | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor |
epiandrosterone epiandrosterone : A 3beta-hydroxy steroid that is (5alpha)-androstane substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. | 3.1 | 1 | 0 | 17-oxo steroid; 3beta-hydroxy steroid; androstanoid | androgen; human metabolite |
metyrosine alpha-methyl-L-tyrosine : An L-tyrosine derivative that consists of L-tyrosine bearing an additional methyl substituent at position 2. An inhibitor of the enzyme tyrosine 3-monooxygenase, and consequently of the synthesis of catecholamines. It is used to control the symptoms of excessive sympathetic stimulation in patients with pheochromocytoma. | 2.07 | 1 | 0 | L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | antihypertensive agent; EC 1.14.16.2 (tyrosine 3-monooxygenase) inhibitor |
linezolid [no description available] | 2.07 | 1 | 0 | acetamides; morpholines; organofluorine compound; oxazolidinone | antibacterial drug; protein synthesis inhibitor |
(S)-bicalutamide (S)-bicalutamide : A N-[4-cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanamide that is the (S)-enantiomer of bicalutamide. | 2.07 | 1 | 0 | N-[4-cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanamide | |
ryanodine Ryanodine: A methylpyrrole-carboxylate from RYANIA that disrupts the RYANODINE RECEPTOR CALCIUM RELEASE CHANNEL to modify CALCIUM release from SARCOPLASMIC RETICULUM resulting in alteration of MUSCLE CONTRACTION. It was previously used in INSECTICIDES. It is used experimentally in conjunction with THAPSIGARGIN and other inhibitors of CALCIUM ATPASE uptake of calcium into SARCOPLASMIC RETICULUM.. ryanodine : An insecticide alkaloid isolated from South American plant Ryania speciosa. | 2.01 | 1 | 0 | | |
picrotoxinin [no description available] | 3.55 | 8 | 0 | epoxide; gamma-lactone; organic heteropentacyclic compound; picrotoxane sesquiterpenoid; tertiary alcohol | GABA antagonist; plant metabolite; serotonergic antagonist |
naringin [no description available] | 3.1 | 1 | 0 | (2S)-flavan-4-one; 4'-hydroxyflavanones; dihydroxyflavanone; disaccharide derivative; neohesperidoside | anti-inflammatory agent; antineoplastic agent; metabolite |
pulegone pulegone: component of peppermint oil; RN given refers to cpd without isomeric designation; structure in Merck. (+)-pulegone : The (5R)-enantiomer of p-menth-4(8)-en-3-one. | 1.97 | 1 | 0 | p-menth-4(8)-en-3-one | |
lignans Lignans: A class of dibenzylbutane derivatives which occurs in higher plants and in fluids (bile, serum, urine, etc.) in man and other animals. These compounds, which have a potential anti-cancer role, can be synthesized in vitro by human fecal flora. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) | 1.96 | 1 | 0 | | |
1-alpha-terpineol (S)-(-)-alpha-terpineol : The (S)-enantiomer of alpha-terpineol. | 3.1 | 1 | 0 | alpha-terpineol | plant metabolite |
bq 123 cyclo(Trp-Asp-Pro-Val-Leu): derived from the modification of a natural lead of BE-18257B, an endothelin A receptor antagonist; has neuroprotective activity; amino acid sequence given in first source | 2.05 | 1 | 0 | cyclic peptide | |
n-formylmethionine leucyl-phenylalanine N-Formylmethionine Leucyl-Phenylalanine: A formylated tripeptide originally isolated from bacterial filtrates that is positively chemotactic to polymorphonuclear leucocytes, and causes them to release lysosomal enzymes and become metabolically activated.. N-formyl-L-methionyl-L-leucyl-L-phenylalanine : A tripeptide composed of L-Met, L-Leu and L-Phe in a linear sequence with a formyl group at the amino terminus. It acts as a potent inducer of leucocyte chemotaxis and macrophage activator as well as a ligand for the FPR receptor. | 4.46 | 5 | 1 | tripeptide | |
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. | 2.72 | 3 | 0 | 1,4-benzodiazepinone; indolecarboxamide | antineoplastic agent; apoptosis inducer; cholecystokinin antagonist; gastrointestinal drug |
sb 243213 SB 243213: a 5-HT2c inverse agonist; structure in first source | 2.05 | 1 | 0 | indolyl carboxylic acid | |
diprenorphine Diprenorphine: A narcotic antagonist similar in action to NALOXONE. It is used to remobilize animals after ETORPHINE neuroleptanalgesia and is considered a specific antagonist to etorphine. | 3.1 | 1 | 0 | morphinane alkaloid | |
sodium arsenite sodium arsenite : An inoganic sodium salt with formula with formula NaAsO2. | 2.03 | 1 | 0 | arsenic molecular entity; inorganic sodium salt | antibacterial agent; antifungal agent; antineoplastic agent; carcinogenic agent; herbicide; insecticide; rodenticide |
ergonovine Ergonovine: An ergot alkaloid (ERGOT ALKALOIDS) with uterine and VASCULAR SMOOTH MUSCLE contractile properties.. ergometrine : A monocarboxylic acid amide that is lysergamide in which one of the hydrogens attached to the amide nitrogen is substituted by a 1-hydroxypropan-2-yl group (S-configuration). An ergot alkaloid that has a particularly powerful action on the uterus, its maleate (and formerly tartrate) salt is used in the active management of the third stage of labour, and to prevent or treat postpartum of postabortal haemorrhage caused by uterine atony: by maintaining uterine contraction and tone, blood vessels in the uterine wall are compressed and blood flow reduced. | 2.36 | 2 | 0 | ergot alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound; primary alcohol; secondary amino compound; tertiary amino compound | diagnostic agent; fungal metabolite; oxytocic; toxin |
halcinonide Halcinonide: A glucocorticoid used topically in the treatment of DERMATITIS; ECZEMA; or PSORIASIS. It may cause skin irritation. | 2.07 | 1 | 0 | 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. | 2.07 | 1 | 0 | amino sugar | |
vinpocetine vinpocetine: whole issue of Arzneim Forsch (23 articles) discuss this drug; Arzneim Forsch 26(10a);1976; RN given refers to parent cpd with unspecified isomeric designation | 2.04 | 1 | 0 | alkaloid | geroprotector |
maleic acid maleic acid: RN given refers to parent cpd(Z)-isomer which is maleic acid; all RR's given refer to (Z)-isomer; (E)-isomer is fumaric acid. maleic acid : A butenedioic acid in which the double bond has cis- (Z)-configuration. | 2.62 | 3 | 0 | butenedioic acid | algal metabolite; mouse metabolite; plant metabolite |
ergosterol [no description available] | 3.1 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; ergostanoid; phytosterols | fungal metabolite; Saccharomyces cerevisiae metabolite |
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. | 3.83 | 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 |
arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 3.86 | 12 | 0 | icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid | Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite |
phosphoramidon phosphoramidon: a membrane metallo-endopeptidase & endothelin-converting enzyme inhibitor; thermolysin inhibitor from culture filtrate of Streptomyces tanashiensis; structure. phosphoramidon : A dipeptide isolated from the cultures of Streptomyces tanashiensis. | 2.68 | 3 | 0 | deoxyaldohexose phosphate; dipeptide | bacterial metabolite; EC 3.4.24.11 (neprilysin) inhibitor; EC 3.4.24.71 (endothelin-converting enzyme 1) inhibitor |
1-(5'-phospho-beta-d-ribofuranosyl)barbituric acid 6-oxouridine 5'-phosphate : A pyrimidine ribonucleoside 5'-monophosphate that is the 6-oxo derivative of UMP. | 1.96 | 1 | 0 | pyrimidine ribonucleoside 5'-monophosphate | |
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). | 3.1 | 1 | 0 | retinol; vitamin A | human metabolite; mouse metabolite; plant metabolite |
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 | 1 | 0 | macrolide lactam | bacterial metabolite; immunosuppressive agent |
ferulic acid ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 3.1 | 1 | 0 | ferulic acids | anti-inflammatory agent; antioxidant; apoptosis inhibitor; cardioprotective agent; MALDI matrix material; plant metabolite |
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. | 3.67 | 10 | 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. | 1.96 | 1 | 0 | icosapentaenoic acid; omega-3 fatty acid | anticholesteremic drug; antidepressant; antineoplastic agent; Daphnia galeata metabolite; fungal metabolite; micronutrient; mouse metabolite; nutraceutical |
thapsigargin Thapsigargin: A sesquiterpene lactone found in roots of THAPSIA. It inhibits SARCOPLASMIC RETICULUM CALCIUM-TRANSPORTING ATPASES.. thapsigargin : An organic heterotricyclic compound that is a hexa-oxygenated 6,7-guaianolide isolated fron the roots of Thapsia garganica L., Apiaceae. A potent skin irritant, it is used in traditional medicine as a counter-irritant. Thapsigargin inhibits Ca(2+)-transporting ATPase mediated uptake of calcium ions into sarcoplasmic reticulum and is used in experimentation examining the impacts of increasing cytosolic calcium concentrations. | 3.1 | 5 | 0 | butyrate ester; organic heterotricyclic compound; sesquiterpene lactone | calcium channel blocker; EC 3.6.3.8 (Ca(2+)-transporting ATPase) inhibitor |
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. | 3.1 | 1 | 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 |
keratan sulfate Keratan Sulfate: A sulfated mucopolysaccharide initially isolated from bovine cornea. At least two types are known. Type I, found mostly in the cornea, contains D-galactose and D-glucosamine-6-O-sulfate as the repeating unit; type II, found in skeletal tissues, contains D-galactose and D-galactosamine-6-O-sulfate as the repeating unit.. keratan sulfate : A sulfated glycosaminoglycan, a linear polymer that consists of the repeating disaccharide [3)-beta-Gal-(1->4)-beta-GlcNAc-(1->] and containing sulfo groups located at random positions.. keratan 6'-sulfate : A keratan sulfate with random sulfation at the 6'-position. | 1.97 | 1 | 0 | | |
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. | 2.48 | 2 | 0 | macrolide antibiotic | antibacterial drug; environmental contaminant; xenobiotic |
y 27632 Y 27632: RN given for di-HCl salt; inhibits Rho-associated protein kinase; inhibits calcium sensitization to affect smooth muscle relaxation; structure in first source. Y-27632 : A monocarboxylic acid amide that is trans-[(1R)-1-aminoethyl]cyclohexanecarboxamide in which one of the nitrogens of the aminocarbony group is substituted by a pyridine nucleus. It has been shown to exhibit inhibitory activity against Rho-associated protein kinase (ROCK) enzyme. | 2.01 | 1 | 0 | aromatic amide | |
adenosine-5'-(n-ethylcarboxamide) Adenosine-5'-(N-ethylcarboxamide): A stable adenosine A1 and A2 receptor agonist. Experimentally, it inhibits cAMP and cGMP phosphodiesterase activity.. N-ethyl-5'-carboxamidoadenosine : A derivative of adenosine in which the 5'-hydroxymethyl group is replaced by an N-ethylcarboxamido group. | 3.56 | 8 | 0 | adenosines; monocarboxylic acid amide | adenosine A1 receptor agonist; adenosine A2A receptor agonist; antineoplastic agent; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; vasodilator agent |
prostaglandin d2 Prostaglandin D2: The principal cyclooxygenase metabolite of arachidonic acid. It is released upon activation of mast cells and is also synthesized by alveolar macrophages. Among its many biological actions, the most important are its bronchoconstrictor, platelet-activating-factor-inhibitory, and cytotoxic effects.. prostaglandin D2 : A member of the class of prostaglandins D that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9 and 15 and an oxo group at position 11 (the 5Z,9alpha,13E,15S- stereoisomer). | 4.62 | 6 | 1 | prostaglandins D | human metabolite; mouse metabolite |
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. | 4.02 | 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 |
h 89 N-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide: structure given in first source. N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide : A member of the class of isoquinolines that is the sulfonamide obtained by formal condensation of the sulfo group of isoquinoline-5-sulfonic acid with the primary amino group of N(1)-[3-(4-bromophenyl)prop-2-en-1-yl]ethane-1,2-diamine. It is a protein kinase A inhibitor.. (E)-N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide : A N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide in which the double bond adopts a trans-configuration. | 2 | 1 | 0 | N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide | |
afimoxifene afimoxifene : A tertiary amino compound that is tamoxifen in which the phenyl group which is in a Z- relationship to the ethyl substituent is hydroxylated at the para- position. It is the active metabolite of tamoxifen. | 1.96 | 1 | 0 | phenols; tertiary amino compound | antineoplastic agent; estrogen receptor antagonist; metabolite |
kt 5720 KT 5720: indolocarbazole; synthetic derivative of K 252a. KT 5720 : An organic heterooctacyclic compound that is 1H,1'H-2,2'-biindole in which the nitrogens have undergone formal oxidative coupling to positions 2 and 5 of hexyl (3S)-3-hydroxy-2-methyltetrahydrofuran-3-carboxylate (the 2R,3S,5S product), and in which the 3 and 3' positions of the biindole moiety have also undergone formal oxidative coupling to positions 3 and 4 of 1,5-dihydro-2H-pyrrol-2-one. | 2.43 | 2 | 0 | carboxylic ester; gamma-lactam; hemiaminal; indolocarbazole; organic heterooctacyclic compound; semisynthetic derivative; tertiary alcohol | EC 2.7.11.11 (cAMP-dependent protein kinase) inhibitor |
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) | 2.69 | 3 | 0 | actinomycin | mutagen |
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. | 2.07 | 1 | 0 | L-phenylalanine derivative; nitrogen mustard; non-proteinogenic L-alpha-amino acid; organochlorine compound | alkylating agent; antineoplastic agent; carcinogenic agent; drug allergen; immunosuppressive agent |
enkephalin, leucine Enkephalin, Leucine: One of the endogenous pentapeptides with morphine-like activity. It differs from MET-ENKEPHALIN in the LEUCINE at position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.. Leu-enkephalin : A pentapeptide comprising L-tyrosine, glycine, glycine, L-phenylalanine and L-leucine residues joined in sequence by peptide linkages. It is an endogenous opioid peptide produced in vertebrate species, including rodents, primates and humans that results from decomposition of proenkephalin or dynorphin and exhibits antinociceptive properties. | 3.07 | 5 | 0 | pentapeptide; peptide zwitterion | analgesic; delta-opioid receptor agonist; human metabolite; mu-opioid receptor agonist; neurotransmitter; rat metabolite |
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. | 2.05 | 1 | 0 | organic sodium salt | anti-inflammatory agent; antipyretic; antirheumatic drug; cyclooxygenase 3 inhibitor; non-narcotic analgesic; peripheral nervous system drug; prodrug |
geraniol [no description available] | 3.1 | 1 | 0 | 3,7-dimethylocta-2,6-dien-1-ol; monoterpenoid; primary alcohol | allergen; fragrance; plant metabolite; volatile oil component |
rauwolscine Rauwolscine: A stereoisomer of yohimbine. | 2.72 | 3 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | |
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. | 2.9 | 4 | 0 | vasopressin | cardiovascular drug; hematologic agent; mitogen |
etorphine [no description available] | 1.96 | 1 | 0 | alcohol; morphinane alkaloid | opioid analgesic; opioid receptor agonist; sedative |
cefsulodin Cefsulodin: A pyridinium-substituted semisynthetic, broad-spectrum antibacterial used especially for Pseudomonas infections in debilitated patients.. cefsulodin : A pyridinium-substituted semi-synthetic, broad-spectrum, cephalosporin antibiotic. | 2 | 1 | 0 | cephalosporin; organosulfonic acid; primary carboxamide | antibacterial drug |
flutropium bromide flutropium bromide: structure given in first source. flutropium bromide : The organic bromide salt of flutropium. It is used in Japan for the treatment asthma and chronic obstructive pulmonary disease. | 1.98 | 1 | 0 | | |
tropisetron Tropisetron: An indole derivative and 5-HT3 RECEPTOR antagonist that is used for the prevention of nausea and vomiting.. tropisetron : An indolyl carboxylate ester obtained by formal condensation of the carboxy group of indole-3-carboxylic acid with the hydroxy group of tropine. | 2.69 | 3 | 0 | indolyl carboxylic acid | |
xe 991, anthracenone 10,10-bis(4-pyridinylmethyl)-9(10H)-anthracenone: neurotransmitter release enhancer and potassium channel blocker; structure given in first source | 2.02 | 1 | 0 | anthracenes | |
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. | 2.07 | 1 | 0 | oligopeptide | anti-estrogen; antineoplastic agent; gonadotropin releasing hormone agonist |
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. | 2.4 | 2 | 0 | pyrimidinethione | antidote to paracetamol poisoning; antimetabolite; antioxidant; antithyroid drug; carcinogenic agent; EC 1.14.13.39 (nitric oxide synthase) inhibitor; hormone antagonist |
ipratropium [no description available] | 2.07 | 1 | 0 | | |
n(6)-cyclopentyladenosine [no description available] | 2.38 | 2 | 0 | | |
sesquiterpenes [no description available] | 2.01 | 1 | 0 | | |
chlorprothixene Chlorprothixene: A thioxanthine with effects similar to the phenothiazine antipsychotics.. (Z)-chlorprothixene : A chlorprothixene in which the double bond adopts a (Z)-configuration. | 2.93 | 4 | 0 | chlorprothixene | |
dienestrol Dienestrol: A synthetic, non-steroidal estrogen structurally related to stilbestrol. It is used, usually as the cream, in the treatment of menopausal and postmenopausal symptoms.. dienestrol : An olefinic compound that is hexa-2,4-diene substituted by 4-hydroxyphenyl groups at positions 3 and 4 respectively. | 3.1 | 1 | 0 | | |
doxepin hydrochloride [no description available] | 2.01 | 1 | 0 | | |
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. | 2.46 | 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. | 2.07 | 1 | 0 | aryl thiol; purines; thiocarbonyl compound | anticoronaviral agent; antimetabolite; antineoplastic agent |
methylthiouracil Methylthiouracil: A thiourea antithyroid agent that inhibits the synthesis of thyroid hormone. It is used in the treatment of hyperthyroidism. | 2.07 | 1 | 0 | pyrimidone | |
bemesetron [no description available] | 3.57 | 8 | 0 | | |
crotamiton [no description available] | 2.07 | 1 | 0 | | |
captax captax: RN given refers to parent cpd. 1,3-benzothiazole-2-thiol : 1,3-Benzothiazole substituted at the 2-position with a sulfanyl group. | 3.1 | 1 | 0 | aryl thiol; benzothiazoles | carcinogenic agent; metabolite |
dexchlorpheniramine [no description available] | 3.49 | 2 | 0 | chlorphenamine | |
lobeline [no description available] | 2.07 | 1 | 0 | | |
urocanic acid Urocanic Acid: 4-Imidazoleacrylic acid.. urocanic acid : An alpha,beta-unsaturated monocarboxylic acid that is prop-2-enoic acid substituted by a 1H-imidazol-4-yl group at position 3. It is a metabolite of hidtidine.. trans-urocanic acid : A urocanic acid in which the double bond of the carboxyethene moiety has E configuration. | 1.98 | 1 | 0 | urocanic acid | human 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. | 2.7 | 3 | 0 | diarylmethane | |
thiothixene [no description available] | 3.79 | 3 | 0 | N-methylpiperazine | anticoronaviral agent |
dieldrin Dieldrin: An organochlorine insecticide whose use has been cancelled or suspended in the United States. It has been used to control locusts, tropical disease vectors, in termite control by direct soil injection, and non-food seed and plant treatment. (From HSDB). dieldrin : An organochlorine compound resulting from the epoxidation of the double bond of aldrin. It is the active metabolite of the proinsecticde aldrin. | 1.96 | 1 | 0 | epoxide; organochlorine compound; organochlorine insecticide | carcinogenic agent; xenobiotic |
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. | 3.31 | 1 | 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 |
hc 030031 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-N-(4-isopropylphenyl)acetamide: a TRPA1 channel blocker | 2.15 | 1 | 0 | | |
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. | 2.93 | 4 | 0 | diarylmethane | |
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. | 2.07 | 1 | 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. | 2.67 | 3 | 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. | 2.48 | 2 | 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. | 6.18 | 32 | 0 | capsaicinoid | non-narcotic analgesic; TRPV1 agonist; voltage-gated sodium channel blocker |
enclomiphene Enclomiphene: The trans or (E)-isomer of clomiphene. | 1.96 | 1 | 0 | | |
metiamide Metiamide: A histamine H2 receptor antagonist that is used as an anti-ulcer agent. | 9.02 | 116 | 0 | imidazoles | |
levocetirizine [no description available] | 2.75 | 3 | 0 | diarylmethane | |
tosylarginine methyl ester Tosylarginine Methyl Ester: Arginine derivative which is a substrate for many proteolytic enzymes. As a substrate for the esterase from the first component of complement, it inhibits the action of C(l) on C(4). | 1.95 | 1 | 0 | guanidines; L-arginine ester; methyl ester; sulfonamide | |
chlorogenic acid caffeoylquinic acid: Antiviral Agent; structure in first source. chlorogenate : A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3. | 3.1 | 1 | 0 | cinnamate ester; tannin | food component; plant metabolite |
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. | 6.94 | 71 | 1 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
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. | 3.13 | 5 | 0 | cardenolide glycoside; steroid saponin | anti-arrhythmia drug; cardiotonic drug; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; epitope |
capsazepine capsazepine: modified capsaicin molecule; a capsaicin receptor antagonist. capsazepine : A benzazepine that is 2,3,4,5-tetrahydro-1H-2-benzazepine which is substituted by hydroxy groups at positions 7 and 8 and on the nitrogen atom by a 2-(p-chlorophenyl)ethylaminothiocarbonyl group. A synthetic analogue of capsaicin, it was the first reported capsaicin receptor antagonist. | 2 | 1 | 0 | benzazepine; catechols; monochlorobenzenes; thioureas | capsaicin receptor antagonist |
tamoxifen [no description available] | 3.37 | 7 | 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 |
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. | 2.07 | 1 | 0 | pyridines; thiocarboxamide | antilipemic drug; antitubercular agent; fatty acid synthesis inhibitor; leprostatic drug; prodrug |
scopolamine [no description available] | 2.07 | 1 | 0 | 3-hydroxy carboxylic acid | |
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. | 2.02 | 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. | 2.15 | 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. | 2.91 | 4 | 0 | barbiturates | anticonvulsant; drug allergen; environmental contaminant; intravenous anaesthetic; sedative; xenobiotic |
ranitidine Ranitidine: A non-imidazole blocker of those histamine receptors that mediate gastric secretion (H2 receptors). It is used to treat gastrointestinal ulcers.. ranitidine : A member of the class of furans used to treat peptic ulcer disease (PUD) and gastroesophageal reflux disease. | 12.16 | 87 | 1 | C-nitro compound; furans; organic sulfide; tertiary amino compound | anti-ulcer drug; drug allergen; environmental contaminant; H2-receptor antagonist; xenobiotic |
4-diphenylacetoxy-n-methylpiperidine methiodide 4-DAMP methiodide : A quaternary ammonium salt obtained by combining equimolar amounts of 4-diphenylacetoxy-N-methylpiperidine and iodomethane. | 3.95 | 12 | 0 | iodide salt; quaternary ammonium salt | cholinergic antagonist; muscarinic antagonist |
lithium Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 3.77 | 11 | 0 | alkali metal atom | |
cobaltous chloride cobaltous chloride: RN given refers to unlabeled cpd; RN in Chemline for cobalt trichloride: 10241-04-0; RN for 60-labeled cpd: 14543-09-0; RN for 57-labeled cpd: 164113-89-1; RN for 58-labeled cpd: 29377-09-1; structure. cobalt dichloride : A cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is chloride. It is used as an indicator for water in desiccants. | 1.97 | 1 | 0 | cobalt salt; inorganic chloride | allergen; calcium channel blocker; sensitiser; two-colour indicator |
burimamide Burimamide: An antagonist of histamine that appears to block both H2 and H3 histamine receptors. It has been used in the treatment of ulcers. | 6.4 | 33 | 0 | imidazoles | |
nizatidine Nizatidine: A histamine H2 receptor antagonist with low toxicity that inhibits gastric acid secretion. The drug is used for the treatment of duodenal ulcers.. nizatidine : A member of the class of 1,3-thiazoles having a dimethylaminomethyl substituent at position 2 and an alkylthiomethyl moiety at position 4. | 2.37 | 2 | 0 | | |
raclopride Raclopride: A substituted benzamide that has antipsychotic properties. It is a dopamine D2 receptor (see RECEPTORS, DOPAMINE D2) antagonist. | 2.44 | 2 | 0 | salicylamides | |
almokalant almokalant: structure given in first source | 2.44 | 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. | 2.11 | 1 | 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 |
quinine [no description available] | 3.77 | 11 | 0 | cinchona alkaloid | antimalarial; muscle relaxant; non-narcotic analgesic |
e 6123 E 6123: platelet activating factor antagonist | 1.97 | 1 | 0 | | |
fk 838 FK 838: an adenosine subtype-1 receptor antagonist; structure given in first source | 2 | 1 | 0 | | |
7-azidoketanserin 7-azidoketanserin: structure given in first source | 1.96 | 1 | 0 | | |
triptorelin iodophenpropit: structure given in first source | 2.02 | 1 | 0 | organoiodine compound | |
8-bromoguanosino-3',5'-cyclic monophosphorothioate [no description available] | 2.03 | 1 | 0 | | |
4-(1h-imidazol-4-ylmethyl)piperidine 4-(1H-imidazol-4-ylmethyl)piperidine: structure in first source | 2.72 | 3 | 0 | piperidines | |
thioperamide thioperamide: structure given in first source; histamine H3 receptor antagonist | 6.81 | 48 | 0 | primary aliphatic amine | |
u-50488 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer: A non-peptide, kappa-opioid receptor agonist which has also been found to stimulate the release of adrenocorticotropin (ADRENOCORTICOTROPIC HORMONE) via the release of hypothalamic arginine vasopressin (ARGININE VASOPRESSIN) and CORTICOTROPIN-RELEASING HORMONE. (From J Pharmacol Exp Ther 1997;280(1):416-21). U50488 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of 3,4-dichlorophenylacetic acid and the secondary amino group of (1R,2R)-N-methyl-2-(pyrrolidin-1-yl)cyclohexanamine | 3.57 | 8 | 0 | dichlorobenzene; monocarboxylic acid amide; N-alkylpyrrolidine | analgesic; antitussive; calcium channel blocker; diuretic; kappa-opioid receptor agonist |
sch 23390 SCH 23390: a selective D1-receptor antagonist. SCH 23390 : A benzazepine that is 2,3,4,5-tetrahydro-3-benzazepine bearing a phenyl substituent at position 1, a methyl substituent at position 3, a chloro substituent at position 7 and a hydroxy substituent at position 8. | 4.64 | 8 | 0 | benzazepine | |
vx-745 [no description available] | 2.07 | 1 | 0 | aryl sulfide; dichlorobenzene; difluorobenzene; pyrimidopyridazine | anti-inflammatory drug; apoptosis inducer; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor |
rasagiline [no description available] | 3.31 | 1 | 0 | indanes; secondary amine; terminal acetylenic compound | EC 1.4.3.4 (monoamine oxidase) inhibitor; neuroprotective agent |
ketazocine ketazocine: RN given refers to parent cpd(2S-(2alpha,6alpha,11S*))-isomer | 1.96 | 1 | 0 | | |
deracoxib SC 046: structure in first source. deracoxib : A member of the class of pyrazoles that is 1H-pyrazole which is substituted at positions 1, 3, and 5 by 4-sulfamoylphenyl, difluoromethyl and 3-fluoro-4-methoxyphenyl groups, respectively. A selective cyclooxygenase 2 inhibitor, it is used in veterinary medicine for the control of pain and inflammation associated with osteoarthritis in dogs. | 2.07 | 1 | 0 | organofluorine compound; pyrazoles; sulfonamide | cyclooxygenase 2 inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
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). | 2.07 | 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 |
2-aminohippuric acid [no description available] | 2.07 | 1 | 0 | N-acylglycine | |
web 2347 WEB 2347: PAF antagonist | 2.39 | 2 | 0 | | |
hsr 609 HSR 609: structure in first source | 1.99 | 1 | 0 | | |
sr 144528 SR 144528: a CB2 cannabinoid receptor antagonist; structure in first source. SR 144528 : A secondary carboxamide resulting from the formal condensation of the carboxy group of 5-(4-chloro-3-methylphenyl)-1-(4-methylbenzyl)-1H-pyrazole-3-carboxylic acid with the amino group of (1S,2S,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-amine. A potent and selective cannabinoid receptor type 2 (CB2 receptor) inverse agonist (Ki = 0.6 nM). | 2.11 | 1 | 0 | bridged compound; monochlorobenzenes; pyrazoles; secondary carboxamide | CB2 receptor antagonist; EC 2.3.1.26 (sterol O-acyltransferase) inhibitor |
tris(2,2'-bipyridine)ruthenium iii tris(2,2'-bipyridine)ruthenium III: RN refers to trichloride | 1.98 | 1 | 0 | | |
benzyltetrahydropalmatine [no description available] | 2.02 | 1 | 0 | | |
ici 199441 [no description available] | 2 | 1 | 0 | acetamides | |
amanitins Amanitins: Cyclic peptides extracted from carpophores of various mushroom species. They are potent inhibitors of RNA polymerases in most eukaryotic species, blocking the production of mRNA and protein synthesis. These peptides are important in the study of transcription. Alpha-amanitin is the main toxin from the species Amanitia phalloides, poisonous if ingested by humans or animals. | 1.99 | 1 | 0 | | |
tamitinol [no description available] | 2 | 1 | 0 | | |
2-(4-(2-carboxyethyl)phenethylamino)-5'-n-ethylcarboxamidoadenosine 2-(4-(2-carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine: A2 adenosine receptor agonist; structure given in first source. CGS-21680 : A derivative of adenosine in which the 5'-hydroxymethyl group is replaced by N-ethylcarboxamido and the hydrogen at position 2 on the adenine is replaced by a 4-(2-carboxyethyl)phenethylamino group. | 2 | 1 | 0 | adenosines; dicarboxylic acid monoamide; monocarboxylic acid | adenosine A2A receptor agonist; anti-inflammatory agent |
ovalbumin Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 7.12 | 85 | 1 | | |
4-aminopyrrolidine-2,4-dicarboxylic acid 4-aminopyrrolidine-2,4-dicarboxylic acid: an antinociceptive agent and metabotropic glutamate receptor agonist; structure given in first source | 2.05 | 1 | 0 | | |
rs-130830 RS-130830: orally-active broad-spectrum matrix metalloproteinase inhibitor | 2.07 | 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. | 3.39 | 1 | 1 | organic sodium salt | detergent; protein denaturant |
sb 242084 6-chloro-5-methyl-1-((2-(2-methylpyrid-3-yloxy)pyrid-5-yl)carbamoyl)indoline: 5-HT(2C) receptor inverse agonist (antagonist); structure in first source | 2.01 | 1 | 0 | | |
l 663536 MK-886: orally active leukotriene biosynthesis inhibitor. 3-[3-(tert-butylsulfanyl)-1-(4-chlorobenzyl)-5-(propan-2-yl)-1H-indol-2-yl]-2,2-dimethylpropanoic acid : A member of the class of indoles that is 1H-indole substituted by a isopropyl group at position 5, a tert-butylsulfanediyl group at position 3, a 4-chlorobenzyl group at position 1 and a 2-carboxy-2-methylpropyl group at position 2. It acts as an inhibitor of arachidonate 5-lipoxygenase. | 3.1 | 5 | 0 | aryl sulfide; indoles; monocarboxylic acid; monochlorobenzenes | antineoplastic agent; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; leukotriene antagonist |
rs 102221 [no description available] | 3.48 | 7 | 0 | aromatic ketone | |
fg 9041 FG 9041: structure given in first source | 2 | 1 | 0 | quinoxaline derivative | |
digitoxigenin Digitoxigenin: 3 beta,14-Dihydroxy-5 beta-card-20(22)enolide. A cardenolide which is the aglycon of digitoxin. Synonyms: Cerberigenin; Echujetin; Evonogenin; Thevetigenin.. digitoxigenin : A 5beta-cardenolide that is 5beta-cardanolide with hydroxy substituents at the 3beta- and 14beta-positions and double bond unsaturation at C(20)-C(22). | 3.1 | 1 | 0 | 14beta-hydroxy steroid; 3beta-hydroxy steroid | |
sitagliptin sitagliptin : A triazolopyrazine that exhibits hypoglycemic activity. | 2.07 | 1 | 0 | triazolopyrazine; trifluorobenzene | EC 3.4.14.5 (dipeptidyl-peptidase IV) inhibitor; environmental contaminant; hypoglycemic agent; serine proteinase inhibitor; xenobiotic |
lupitidine [no description available] | 2.68 | 3 | 0 | | |
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. | 2.07 | 1 | 0 | 2-nitrophenols; benzophenones; catechols | antiparkinson drug; EC 2.1.1.6 (catechol O-methyltransferase) inhibitor |
sm 21 SM 21: RN given for (3(R)-endo)-isomer and maleate salt; structure in first source | 2.05 | 1 | 0 | monocarboxylic acid | |
jnj 7777120 1-((5-chloro-1H-indol-2-yl)carbonyl)-4-methylpiperazine: an H4 receptor antagonist; structure in first source | 3.45 | 7 | 0 | | |
diclofenac sodium Diclofenac Sodium: The sodium form of DICLOFENAC. It is used for its analgesic and anti-inflammatory properties.. diclofenac sodium : The sodium salt of diclofenac. | 2.02 | 1 | 0 | organic sodium salt | |
sphingosine sphing-4-enine : A sphingenine in which the C=C double bond is located at the 4-position.. sphingenine : A 2-aminooctadecene-1,3-diol having (2S,3R)-configuration.. sphingoid : Sphinganine, its homologs and stereoisomers, and the hydroxy and unsaturated derivatives of these compounds.. 2-aminooctadec-4-ene-1,3-diol : A 2-aminooctadecene-1,3-diol having its double bond at position 4. | 1.97 | 1 | 0 | sphing-4-enine | human metabolite; mouse metabolite |
quercetin [no description available] | 4 | 4 | 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] | 3.1 | 1 | 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. | 5.67 | 31 | 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. | 3.47 | 8 | 0 | monocarboxylic acid; prostaglandins Falpha | human metabolite; mouse metabolite |
leukotriene a4 Leukotriene A4: (2S-(2 alpha,3 beta(1E,3E,5Z,8Z)))-3-(1,3,5,8-Tetradecatetraenyl)oxiranebutanoic acid. An unstable allylic epoxide, formed from the immediate precursor 5-HPETE via the stereospecific removal of a proton at C-10 and dehydration. Its biological actions are determined primarily by its metabolites, i.e., LEUKOTRIENE B4 and cysteinyl-leukotrienes. Alternatively, leukotriene A4 is converted into LEUKOTRIENE C4 by glutathione-S-transferase or into 5,6-di-HETE by the epoxide-hydrolase. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene A4 : A leukotriene that is the (5S,6S)-epoxy derivative of (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid. | 1.96 | 1 | 0 | epoxy fatty acid; leukotriene; long-chain fatty acid; oxylipin; polyunsaturated fatty acid | human metabolite; mouse metabolite; plant metabolite |
apigenin Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | 3.1 | 1 | 0 | trihydroxyflavone | antineoplastic agent; metabolite |
scopoletin [no description available] | 3.1 | 1 | 0 | hydroxycoumarin | plant growth regulator; plant metabolite |
vitamin k semiquinone radical vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 2.07 | 1 | 0 | | |
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. | 2.07 | 1 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
11-cis-retinal Rhodopsin: A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.. 11-cis-retinal : A retinal having 2E,4Z,6E,8E-double bond geometry. | 2.02 | 1 | 0 | retinal | chromophore; human metabolite; mouse metabolite |
leukotriene b4 Leukotriene B4: The major metabolite in neutrophil polymorphonuclear leukocytes. It stimulates polymorphonuclear cell function (degranulation, formation of oxygen-centered free radicals, arachidonic acid release, and metabolism). (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene B4 : A leukotriene composed of (6Z,8E,10E,14Z)-icosatetraenoic acid having (5S)- and (12R)-hydroxy substituents. It is a lipid mediator of inflammation that is generated from arachidonic acid via the 5-lipoxygenase pathway. | 5.44 | 15 | 1 | dihydroxy monocarboxylic acid; hydroxy polyunsaturated fatty acid; leukotriene; long-chain fatty acid | human metabolite; mouse metabolite; plant metabolite; vasoconstrictor agent |
leukotriene c4 Leukotriene C4: The conjugation product of LEUKOTRIENE A4 and glutathione. It is the major arachidonic acid metabolite in macrophages and human mast cells as well as in antigen-sensitized lung tissue. It stimulates mucus secretion in the lung, and produces contractions of nonvascular and some VASCULAR SMOOTH MUSCLE. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene C4 : A leukotriene that is (5S,7E,9E,11Z,14Z)-5-hydroxyicosa-7,9,11,14-tetraenoic acid in which a glutathionyl group is attached at position 6 via a sulfide linkage. | 4.3 | 4 | 1 | leukotriene | bronchoconstrictor agent; human metabolite; mouse metabolite |
thromboxane a2 Thromboxane A2: An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound has a bicyclic oxaneoxetane structure. It is a potent inducer of platelet aggregation and causes vasoconstriction. It is the principal component of rabbit aorta contracting substance (RCS).. thromboxane A2 : A thromboxane which is produced by activated platelets and has prothrombotic properties: it stimulates activation of new platelets as well as increases platelet aggregation. | 3.49 | 8 | 0 | epoxy monocarboxylic acid; thromboxanes A | mouse metabolite |
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. | 3.1 | 1 | 0 | hydroxycoumarin | antineoplastic agent; hyaluronic acid synthesis inhibitor |
alprostadil [no description available] | 3.48 | 8 | 0 | prostaglandins E | anticoagulant; human metabolite; platelet aggregation inhibitor; vasodilator agent |
5-hydroxy-6,8,11,14-eicosatetraenoic acid 5(S)-HETE : A HETE having a (5S)-hydroxy group and (6E)-, (8Z)-, (11Z)- and (14Z)-double bonds.. 5-HETE : A HETE having a 5-hydroxy group and (6E)-, (8Z)-, (11Z)- and (14Z)-double bonds. | 1.96 | 1 | 0 | HETE | human metabolite; mouse metabolite |
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. | 3.1 | 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. | 3.1 | 1 | 0 | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
rutin Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.69 | 3 | 0 | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
leukotriene d4 Leukotriene D4: One of the biologically active principles of SRS-A. It is generated from LEUKOTRIENE C4 after partial hydrolysis of the peptide chain, i.e., cleavage of the gamma-glutamyl portion. Its biological actions include stimulation of vascular and nonvascular smooth muscle, and increases in vascular permeability. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene D4 : A leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and a L-cysteinylglycinyl group at position 6 (6R). | 3.94 | 13 | 0 | dipeptide; leukotriene; organic sulfide | bronchoconstrictor agent; human metabolite; mouse metabolite |
leukotriene e4 Leukotriene E4: A biologically active principle of SRS-A that is formed from LEUKOTRIENE D4 via a peptidase reaction that removes the glycine residue. The biological actions of LTE4 are similar to LTC4 and LTD4. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene E4 : A leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and an L-cystein-S-yl group at position 6 (6R). | 3.22 | 6 | 0 | amino dicarboxylic acid; L-cysteine thioether; leukotriene; non-proteinogenic L-alpha-amino acid; secondary alcohol | |
prostaglandin a2 prostaglandin A2: RN given refers to (5Z,13E,15S)-isomer | 1.96 | 1 | 0 | prostaglandins A | human metabolite |
6-ketoprostaglandin f1 alpha 6-Ketoprostaglandin F1 alpha: The physiologically active and stable hydrolysis product of EPOPROSTENOL. Found in nearly all mammalian tissue.. 6-oxoprostaglandin F1alpha : A prostaglandin Falpha that is prostaglandin F1alpha bearing a keto substituent at the 6-position. | 2.89 | 4 | 0 | prostaglandins Falpha | human metabolite; mouse metabolite |
harmine Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's.. harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. | 2.04 | 1 | 0 | harmala alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; metabolite |
genistein [no description available] | 2 | 1 | 0 | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor |
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. | 2.07 | 1 | 0 | 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. | 2.07 | 1 | 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. | 2.4 | 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 |
montelukast montelukast: a leukotriene D4 receptor antagonist | 3.16 | 5 | 0 | aliphatic sulfide; monocarboxylic acid; quinolines | anti-arrhythmia drug; anti-asthmatic drug; leukotriene antagonist |
esculetin esculetin: used in filters for absorption of ultraviolet light; structure. esculetin : A hydroxycoumarin that is umbelliferone in which the hydrogen at position 6 is substituted by a hydroxy group. It is used in filters for absorption of ultraviolet light. | 3.1 | 1 | 0 | hydroxycoumarin | antioxidant; plant metabolite; ultraviolet filter |
7-hydroxycoumarin 7-oxycoumarin: derivatives have anti-oxidant properties. umbelliferone : A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. | 3.1 | 1 | 0 | hydroxycoumarin | fluorescent probe; food component; plant metabolite |
baicalein [no description available] | 3.1 | 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 |
chrysin chrysin : A dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. | 3.1 | 1 | 0 | 7-hydroxyflavonol; dihydroxyflavone | anti-inflammatory agent; antineoplastic agent; antioxidant; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; hepatoprotective agent; plant metabolite |
fisetin [no description available] | 3.1 | 1 | 0 | 3'-hydroxyflavonoid; 7-hydroxyflavonol; tetrahydroxyflavone | anti-inflammatory agent; antioxidant; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; metabolite; plant metabolite |
galangin 5,7-dihydroxyflavonol: antimicrobial from the twigs of Populus nigra x Populus deltoides; structure in first source. galangin : A 7-hydroxyflavonol with additional hydroxy groups at positions 3 and 5 respectively; a growth inhibitor of breast tumor cells. | 3.1 | 1 | 0 | 7-hydroxyflavonol; trihydroxyflavone | antimicrobial agent; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; plant metabolite |
mangostin mangostin: xanthone from rind of Garcinia mangostana Linn. fruit. alpha-mangostin : A member of the class of xanthones that is 9H-xanthene substituted by hydroxy group at positions 1, 3 and 6, a methoxy group at position 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antioxidant, antimicrobial and antitumour activities. | 1.99 | 1 | 0 | aromatic ether; phenols; xanthones | antimicrobial agent; antineoplastic agent; antioxidant; plant metabolite |
daidzein [no description available] | 2 | 1 | 0 | 7-hydroxyisoflavones | antineoplastic agent; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; phytoestrogen; plant metabolite |
flupenthixol cis-flupenthixol : A flupenthixol in which the double bond adopts a cis-configuration. | 2.38 | 2 | 0 | flupenthixol | dopaminergic antagonist |
anandamide anandamide : An N-acylethanolamine 20:4 resulting from the formal condensation of carboxy group of arachidonic acid with the amino group of ethanolamine. | 2 | 1 | 0 | endocannabinoid; N-acylethanolamine 20:4 | human blood serum metabolite; neurotransmitter; vasodilator agent |
pheniramine maleate Naphcon A: tradename; contains above compounds; ophthalmic solution | 2.07 | 1 | 0 | organic molecular entity | |
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. | 2.38 | 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 |
4-hydroxyestradiol 4-hydroxyestradiol: catechol estrogen. 4-hydroxy-17beta-estradiol : A 4-hydroxy steroid that consists of 17beta-estradiol having an additional hydroxy group at position 4. | 3.1 | 1 | 0 | 4-hydroxy steroid | metabolite |
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. | 3.1 | 1 | 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. | 2.01 | 1 | 0 | | |
olopatadine hydrochloride Olopatadine Hydrochloride: An antihistamine with mast-cell stabilizing properties used as eye drops in the treatment of ALLERGIC CONJUNCTIVITIS. | 2.7 | 3 | 0 | dibenzooxazepine | |
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. | 1.95 | 1 | 0 | organoammonium salt | anti-asthmatic drug; H1-receptor antagonist |
ozagrel ozagrel: RN refers to (E)-isomer | 3.48 | 8 | 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. | 9.28 | 19 | 0 | N-alkylpyrrolidine; olefinic compound; pyridines | H1-receptor antagonist |
homatropine [no description available] | 2.07 | 1 | 0 | tropane alkaloid | |
16,16-dimethylprostaglandin e 16,16-dimethylprostaglandin E: RN given refers to (11alpha,13E,15R)-isomer | 1.97 | 1 | 0 | prostanoid | |
16,16-dimethylprostaglandin e2 16,16-Dimethylprostaglandin E2: A synthetic prostaglandin E analog that protects the gastric mucosa, prevents ulceration, and promotes the healing of peptic ulcers. The protective effect is independent of acid inhibition. It is also a potent inhibitor of pancreatic function and growth of experimental tumors.. 16,16-dimethylprostaglandin E2 : A prostanoid that is prostaglandin E2 in which both of the hydrogens at position 16 have been replaced by methyl groups. A synthetic analogue of prostaglandin E2, it is a potent inhibitor of pancreatic function and growth of experimental tumors. It also protects the gastric mucosa, prevents ulceration, and promotes the healing of peptic ulcers. | 1.97 | 1 | 0 | cyclopentanones; monocarboxylic acid; prostanoid; secondary allylic alcohol | anti-ulcer drug; gastrointestinal drug; radiation protective agent |
leukotriene b5 leukotriene B5 : A leukotriene composed of (6Z,8E,10E,14Z,17Z)-icosapentaenoic acid carrying (5S)- and (12R)-hydroxy substituents. | 1.96 | 1 | 0 | dihydroxy monocarboxylic acid; hydroxy polyunsaturated fatty acid; leukotriene; long-chain fatty acid | anti-inflammatory agent; human xenobiotic metabolite; rat metabolite |
thromboxane b2 Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 3.85 | 12 | 0 | thromboxanes B | human metabolite; mouse metabolite |
hyodeoxycholic acid hyodeoxycholic acid: differs from deoxycholic acid in that the 6 alpha-OH is in the 12 position in the former; RN given refers to (3alpha,5beta,6alpha)-isomer. hyodeoxycholic acid : A member of the class of 5beta-cholanic acids that is (5beta)-cholan-24-oic acid substituted by alpha-hydroxy groups at positions 3 and 6. | 3.1 | 1 | 0 | 5beta-cholanic acids; 6alpha,20xi-murideoxycholic acid; bile acid; C24-steroid | human metabolite; mouse metabolite |
codeine [no description available] | 9.16 | 5 | 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 | 2.73 | 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 |
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. | 1.92 | 1 | 0 | hydrochloride | |
acrivastine acrivastine: a second generation antihistamine. acrivastine : A member of the class of pyridines that is (pyridin-2-yl)acrylic acid substituted at position 6 by a [(1E)-1-(4-methylphenyl)-3-(pyrrolidin-1-yl)prop-1-en-1-yl group. It is a non-sedating antihistamine used for treatment of hayfever, urticaria, and rhinitis. | 2.02 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; N-alkylpyrrolidine; olefinic compound; pyridines | H1-receptor antagonist |
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. | 2.07 | 1 | 0 | 17alpha-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(4) steroid; chlorinated steroid; tertiary alpha-hydroxy ketone | androgen antagonist |
hydrocodone Hydrocodone: Narcotic analgesic related to CODEINE, but more potent and more addicting by weight. It is used also as cough suppressant.. hydrocodone : A morphinane-like compound that is a semi-synthetic opioid synthesized from codeine. | 2.07 | 1 | 0 | morphinane-like compound; organic heteropentacyclic compound | antitussive; mu-opioid receptor agonist; opioid analgesic |
hydromorphone Hydromorphone: An opioid analgesic made from MORPHINE and used mainly as an analgesic. It has a shorter duration of action than morphine.. hydromorphone : A morphinane alkaloid that is a hydrogenated ketone derivative of morphine. A semi-synthetic drug, it is a centrally acting pain medication of the opioid class. | 3.53 | 2 | 0 | morphinane alkaloid; organic heteropentacyclic compound | mu-opioid receptor agonist; opioid analgesic |
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. | 2.07 | 1 | 0 | pyrrolidin-2-ones | anticonvulsant; environmental contaminant; xenobiotic |
nalmefene nalmefene: RN given refers to 5-alpha isomer | 3.1 | 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. | 3.5 | 2 | 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. | 10.22 | 16 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary alcohol | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
oxycodone Oxycodone: A semisynthetic derivative of CODEINE.. oxycodone : A semisynthetic opioid of formula C18H21NO4 that is derived from thebaine. It is a moderately potent opioid analgesic, generally used for relief of moderate to severe pain. | 8.52 | 2 | 0 | organic heteropentacyclic compound; semisynthetic derivative | antitussive; mu-opioid receptor agonist; opioid analgesic |
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) | 3.53 | 2 | 0 | morphinane alkaloid | |
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. | 2.07 | 1 | 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. | 2.07 | 1 | 0 | cyclic ketal; ketohexose derivative; sulfamate ester | anticonvulsant; sodium channel blocker |
6alpha-hydroxy-17beta-estradiol 6alpha-hydroxy-17beta-estradiol : A 4-hydroxy steroid that consists of 17beta-estradiol bearing an additional 6alpha-hydroxy substituent. | 3.1 | 1 | 0 | 6alpha-hydroxy steroid | |
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. | 12.16 | 29 | 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 |
ar c67085mx PSB-0413: a selective antagonist radioligand for platelet P2Y12 receptors | 2.07 | 1 | 0 | | |
2-(3-trifluoromethylphenyl)histamine 2-(3-trifluoromethylphenyl)histamine: a selective histamine H1-receptor agonist | 3.1 | 5 | 0 | | |
istradefylline [no description available] | 2.02 | 1 | 0 | oxopurine | |
cp 99994 3-(2-methoxybenzylamino)-2-phenylpiperidine: selective NK(1) receptor antagonist; CP-100263 is the inactive enantiomer | 2.39 | 2 | 0 | | |
desoximetasone Desoximetasone: A topical anti-inflammatory glucocorticoid used in DERMATOSES, skin allergies, PSORIASIS, etc.. desoximetasone : Dexamethasone in which the hydroxy group at the 17alpha position is substituted by hydrogen. A synthetic corticosteroid with glucocorticoid activity, it is used as an anti-inflammatory and anti-pruritic in the treatment of various skin disorders, including skin allergies and psoriasis. | 2.07 | 1 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; fluorinated steroid; glucocorticoid; primary alpha-hydroxy ketone | anti-inflammatory drug; antipruritic drug |
kallidin Kallidin: A decapeptide bradykinin homolog cleaved from kininogen by kallikreins. It is a smooth-muscle stimulant and hypotensive agent that acts by vasodilatation. | 1.98 | 1 | 0 | peptide | |
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. | 3.19 | 5 | 0 | carbobicyclic compound; monocarboxylic acid; secondary alcohol | platelet aggregation inhibitor; vasodilator agent |
l 365260 L 365260: a CCK-B antagonist; structure given in first source; potent & selective CCK-B & gastrin receptor ligand; L 365260 and L 365346 are (R)- and (S)-stereoisomers, respectively | 2.41 | 2 | 0 | benzodiazepine | |
mdl 100907 Serotonin 5-HT2 Receptor Antagonists: Drugs that bind to but do not activate SEROTONIN 5-HT2 RECEPTORS, thereby blocking the actions of SEROTONIN or SEROTONIN 5-HT2 RECEPTOR AGONISTS. Included under this heading are antagonists for one or more specific 5-HT2 receptor subtypes. | 2.05 | 1 | 0 | | |
nalbuphine Nalbuphine: A narcotic used as a pain medication. It appears to be an agonist at KAPPA RECEPTORS and an antagonist or partial agonist at MU RECEPTORS. | 3.82 | 3 | 0 | organic heteropentacyclic compound | mu-opioid receptor antagonist; opioid analgesic |
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. | 2.07 | 1 | 0 | phenylalanine derivative | |
neurokinin a Neurokinin A: A mammalian neuropeptide of 10 amino acids that belongs to the tachykinin family. It is similar in structure and action to SUBSTANCE P and NEUROKININ B with the ability to excite neurons, dilate blood vessels, and contract smooth muscles, such as those in the BRONCHI. | 3.49 | 8 | 0 | | |
neurokinin b Neurokinin B: A mammalian neuropeptide of 10 amino acids that belongs to the tachykinin family. It is similar in structure and action to SUBSTANCE P and NEUROKININ A with the ability to excite neurons, dilate blood vessels, and contract smooth muscles, such as those in the URINARY BLADDER and UTERUS. | 1.97 | 1 | 0 | polypeptide | |
u 44069 U 44069: has contractile effect on rat pulmonary veins & arteries; a thromboxane-A2 mimetic | 1.96 | 1 | 0 | prostanoid | |
sb 223412 SB 223412: SB-223412 is the (S)-(-)-isomer; RN given for (S)-isomer; structure in first source | 2.07 | 1 | 0 | | |
sq 29548 SQ 29548: SQ-26538 is the ((1S-1alpha,2beta(5Z),3beta(1E,3R*),4alpha))-isomer; thromboxane A2 antagonist; thromboxane receptor antagonist | 2.39 | 2 | 0 | | |
(3r)-((2,3-dihydro-5-methyl-3-((4-morpholinyl)methyl)pyrrolo-(1,2,3-de)-1,4-benzoxazin-6-yl)(1-naphthalenyl))methanone WIN 55212-2 : A organic heterotricyclic compound that is 5-methyl-3-(morpholin-4-ylmethyl)-2,3-dihydro[1,4]oxazino[2,3,4-hi]indole substituted at position 6 by a 1-naphthylcarbonyl group. | 2.74 | 3 | 0 | morpholines; naphthyl ketone; organic heterotricyclic compound; synthetic cannabinoid | analgesic; apoptosis inhibitor; neuroprotective agent |
kn 62 KN 62: inhibitor of Ca/calmodulin-dependent protein kinase II | 2 | 1 | 0 | piperazines | |
sb 271046 SB 271046: 5-HT(6) receptor antagonist; structure in first source | 2.51 | 2 | 0 | | |
cinnamyl alcohol cinnamyl alcohol: RN given refers to parent cpd without isomeric designation. (E)-cinnamyl alcohol : The E (trans) stereoisomer of cinnamyl alcohol.. cinnamyl alcohol : A primary alcohol comprising an allyl core with a hydroxy substituent at the 1-position and a phenyl substituent at the 3-position (geometry of the C=C bond unspecified). | 3.1 | 1 | 0 | cinnamyl alcohol | plant metabolite |
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. | 2.07 | 1 | 0 | (trifluoromethyl)benzenes; 5-methoxyvalerophenone O-(2-aminoethyl)oxime | antidepressant; anxiolytic drug; serotonin uptake inhibitor |
ag-490 [no description available] | 2.05 | 1 | 0 | catechols; enamide; monocarboxylic acid amide; nitrile; secondary carboxamide | anti-inflammatory agent; antioxidant; apoptosis inducer; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; geroprotector; STAT3 inhibitor |
su 11248 [no description available] | 2.07 | 1 | 0 | monocarboxylic acid amide; pyrroles | angiogenesis inhibitor; antineoplastic agent; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; immunomodulator; neuroprotective agent; vascular endothelial growth factor receptor antagonist |
bw b70c BW B70C: arachidonic acid antagonist. BW B70C : A hydroxamic acid that is urea in which both the hydrogens attached to one of the nitrogens are replaced by a hydroxy and a (1E)-1-[3-(4-fluorophenoxy)phenyl]but-1-en-3-yl group. A selective inhibitor of arachidonate 5-lipoxygenase, it can be used for the treatment of asthma. | 1.98 | 1 | 0 | aromatic ether; hydroxamic acid; organofluorine compound; ureas | EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor |
(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. | 2.05 | 1 | 0 | dihydroxy monocarboxylic acid; indoles; organofluorine compound | |
15-hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic acid 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid: A stable prostaglandin endoperoxide analog which serves as a thromboxane mimetic. Its actions include mimicking the hydro-osmotic effect of VASOPRESSIN and activation of TYPE C PHOSPHOLIPASES. (From J Pharmacol Exp Ther 1983;224(1): 108-117; Biochem J 1984;222(1):103-110) | 3.09 | 5 | 0 | | |
cesium Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency. | 1.97 | 1 | 0 | alkali metal atom | |
barium Barium: An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. | 1.95 | 1 | 0 | alkaline earth metal atom; elemental barium | |
rubidium Rubidium: An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37, and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of photoelectric cells. | 2.4 | 2 | 0 | alkali metal atom | |
levorphanol Levorphanol: A narcotic analgesic that may be habit-forming. It is nearly as effective orally as by injection. | 3.48 | 2 | 0 | morphinane alkaloid | |
levallorphan Levallorphan: An opioid antagonist with properties similar to those of NALOXONE; in addition it also possesses some agonist properties. It should be used cautiously; levallorphan reverses severe opioid-induced respiratory depression but may exacerbate respiratory depression such as that induced by alcohol or other non-opioid central depressants. (From Martindale, The Extra Pharmacopoeia, 30th ed, p683) | 2 | 1 | 0 | morphinane alkaloid | |
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. | 3.81 | 3 | 0 | cyclopropanes; morphinane-like compound; organic heteropentacyclic compound | antidote to opioid poisoning; central nervous system depressant; environmental contaminant; mu-opioid receptor antagonist; xenobiotic |
morphine-6-glucuronide morphine-6-glucuronide: RN given refers to (5alpha,6alpha)-isomer | 2 | 1 | 0 | morphinane alkaloid | |
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. | 7.96 | 4 | 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 |
dextrorphan Dextrorphan: Dextro form of levorphanol. It acts as a noncompetitive NMDA receptor antagonist, among other effects, and has been proposed as a neuroprotective agent. It is also a metabolite of DEXTROMETHORPHAN. | 1.96 | 1 | 0 | morphinane alkaloid | |
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. | 2.07 | 1 | 0 | morphinane alkaloid | antitussive; kappa-opioid receptor agonist; mu-opioid receptor agonist; opioid analgesic |
cefixime [no description available] | 2.07 | 1 | 0 | cephalosporin | antibacterial drug; drug allergen |
indinavir sulfate Indinavir: A potent and specific HIV protease inhibitor that appears to have good oral bioavailability. | 2.07 | 1 | 0 | dicarboxylic acid diamide; N-(2-hydroxyethyl)piperazine; piperazinecarboxamide | HIV protease inhibitor |
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) | 2.67 | 3 | 0 | styrenes | |
isoalloxazine isoalloxazine: structure | 2.02 | 1 | 0 | benzo[g]pteridine-2,4-dione | |
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). | 2.02 | 1 | 0 | dicarboxylic acid monoester; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; geroprotector; prodrug |
sinomenine sinomenine: isolated from root of Sinomenium acutum; antirheumatic, antineuralgic | 3.05 | 1 | 0 | morphinane alkaloid | |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.38 | 2 | 0 | cysteinium | fundamental metabolite |
thyronines Thyronines: A group of metabolites derived from THYROXINE and TRIIODOTHYRONINE via the peripheral enzymatic removal of iodines from the thyroxine nucleus. Thyronine is the thyroxine nucleus devoid of its four iodine atoms.. thyronine : A tyrosine derivative where the phenolic hydrogen of tyrosine is substituted by 4-hydroxyphenyl. | 2.11 | 1 | 0 | thyronine | |
enkephalin, ala(2)-mephe(4)-gly(5)- [no description available] | 3.46 | 7 | 0 | peptide | |
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. | 2.07 | 1 | 0 | dicarboxylic acid; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
normorphine normorphine: RN given refers to (5 alpha,6 alpha)-isomer | 3.1 | 1 | 0 | morphinane alkaloid | |
cinanserin Cinanserin: A serotonin antagonist with limited antihistaminic, anticholinergic, and immunosuppressive activity.. cinanserin : An aryl sulfide that is (2E)-3-phenyl-N-(2-sulfanylphenyl)prop-2-enamide in which the hydrogen of the thiol group is substituted by a 3-(dimethylamino)propyl group. It is a 5-hydroxytryptamine receptor antagonist and an inhibitor of SARS-CoV replication. | 1.96 | 1 | 0 | aryl sulfide; cinnamamides; secondary carboxamide; tertiary amino compound | anticoronaviral agent; antiviral agent; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor |
pepstatin pepstatin: inhibits the aspartic protease endothiapepsin | 2.4 | 2 | 0 | pentapeptide; secondary carboxamide | bacterial metabolite; EC 3.4.23.* (aspartic endopeptidase) inhibitor |
ceftriaxone [no description available] | 2.07 | 1 | 0 | 1,2,4-triazines; 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; drug allergen; EC 3.5.2.6 (beta-lactamase) inhibitor |
ceftazidime [no description available] | 2.07 | 1 | 0 | cephalosporin; oxime O-ether | antibacterial drug; drug allergen; EC 2.4.1.129 (peptidoglycan glycosyltransferase) inhibitor |
narcissin flavonol narcissin flavonol: flavanol glycoside from Strumpfia maritima; do not confuse with other narcissin in Chemline, an alkaloid (lycorine (NM)) | 2.03 | 1 | 0 | disaccharide derivative; glycosyloxyflavone; monomethoxyflavone; trihydroxyflavone | |
ici 118551 ICI 118551: RN given refers to (R*,R*)-(+-)-isomer; structure in first source; ICI 111581 is hydrochloride of ICI 118551. ICI 118551 : An indane substituted at position 7 by a methyl group and at position 4 by a 3-(isopropylamino)-2-hydroxybutoxy group (the 2R,3S-diastereomer). | 2.15 | 1 | 0 | aromatic ether; indanes; secondary alcohol; secondary amino compound | beta-adrenergic antagonist |
enkephalin, ala(2)-mephe(4)-gly(5)- Enkephalin, Ala(2)-MePhe(4)-Gly(5)-: An enkephalin analog that selectively binds to the MU OPIOID RECEPTOR. It is used as a model for drug permeability experiments. | 2.4 | 2 | 0 | | |
strontium radioisotopes Strontium Radioisotopes: Unstable isotopes of strontium that decay or disintegrate spontaneously emitting radiation. Sr 80-83, 85, and 89-95 are radioactive strontium isotopes. | 1.97 | 1 | 0 | | |
sch 32615 [no description available] | 1.97 | 1 | 0 | | |
enkephalinamide-leu, ala(2)- enkephalinamide-Leu, Ala(2)-: RN given refers to (L-leucinamide)-isomer | 1.97 | 1 | 0 | | |
naltrindole benzofuran naltrindole benzofuran: structure given in first source | 3.1 | 1 | 0 | morphinane alkaloid | |
tiotropium tiotropium : A quaternary ammonium ion obtained by methylation of the tertiary amino group of (1alpha,2beta,4beta,5alpha,7beta)-7-[(hydroxydi-2-thienylacetyl)oxy]-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0(2,4)]nonane. Used (in the form of the bromide hydrate) for maintenance treatment of airflow obstruction in patients with chronic obstructive pulmonary disease. | 2.07 | 1 | 0 | | |
naltrindole naltrindole: delta opioid receptor antagonist | 3.53 | 2 | 0 | isoquinolines | |
guanabenz Guanabenz: An alpha-2 selective adrenergic agonist used as an antihypertensive agent. | 2.69 | 3 | 0 | dichlorobenzene | |
famotidine [no description available] | 2.02 | 1 | 0 | 1,3-thiazoles; guanidines; sulfonamide | anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
aztreonam [no description available] | 2.07 | 1 | 0 | beta-lactam antibiotic allergen; monobactam | antibacterial drug; drug allergen; EC 2.4.1.129 (peptidoglycan glycosyltransferase) inhibitor |
nw 1029 Ralfinamide: Sodium Channel Blocker; structure in first source | 2.07 | 1 | 0 | | |
2-amino-4-methoxy-3-butenoic acid 2-amino-4-methoxy-3-butenoic acid: bacterial toxin isolated from Pseudomonas aeruginosa; RN given refers to (S-(E))-isomer | 1.96 | 1 | 0 | | |
saralasin Saralasin: An octapeptide analog of angiotensin II (bovine) with amino acids 1 and 8 replaced with sarcosine and alanine, respectively. It is a highly specific competitive inhibitor of angiotensin II that is used in the diagnosis of HYPERTENSION. | 3.46 | 7 | 0 | oligopeptide | |
tetrodotoxin Tetrodotoxin: An aminoperhydroquinazoline poison found mainly in the liver and ovaries of fishes in the order TETRAODONTIFORMES, which are eaten. The toxin causes paresthesia and paralysis through interference with neuromuscular conduction.. tetrodotoxin : A quinazoline alkaloid that is a marine toxin isolated from fish such as puffer fish. It has been shown to exhibit potential neutotoxicity due to its ability to block voltage-gated sodium channels. | 4.94 | 38 | 0 | azatetracycloalkane; oxatetracycloalkane; quinazoline alkaloid | animal metabolite; bacterial metabolite; marine metabolite; neurotoxin; voltage-gated sodium channel blocker |
dihydroergotoxine Dihydroergotoxine: A mixture of three different hydrogenated derivatives of ERGOTAMINE: DIHYDROERGOCORNINE; DIHYDROERGOCRISTINE; and DIHYDROERGOCRYPTINE. Dihydroergotoxine has been proposed to be a neuroprotective agent and a nootropic agent. The mechanism of its therapeutic actions is not clear, but it can act as an alpha-adrenergic antagonist and a dopamine agonist. The methanesulfonate salts of this mixture of alkaloids are called ERGOLOID MESYLATES. | 1.96 | 1 | 0 | | |
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. | 3.54 | 8 | 0 | maleate salt; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
proxyfan [no description available] | 2.02 | 1 | 0 | benzyl ether | |
ciproxifan [no description available] | 2.58 | 2 | 0 | aromatic ketone | |
24,25-dihydroxyvitamin d 3 24,25-Dihydroxyvitamin D 3: A physiologically active metabolite of VITAMIN D. The compound is involved in the regulation of calcium metabolism, alkaline phosphatase activity, and enhancing the calcemic effect of CALCITRIOL. | 1.96 | 1 | 0 | | |
al 3264 AL 3264: structure given in first source | 1.98 | 1 | 0 | | |
piriprost piriprost: structure given in first source | 1.97 | 1 | 0 | | |
ly 53857 LY 53857: RN given refers to maleate[1:1](8beta)-isomer | 1.97 | 1 | 0 | | |
lumefantrine Lumefantrine: A fluorene derivative that is used in combination with ARTEMETHER for the treatment of MALARIA (see ARTEMETHER-LUMEFANTRINE DRUG COMBINATION).. lumefantrine : A member of the class of fluorenes that is 9-(p-chlorobenzylidene)-9H-fluorene which is substitutec by chlorine at positions 2 and 7, and by a 2-(dibutylamino)-1-hydroxyethyl group at position 4. An antimalarial drug used in combination with artemether for the treatment of multi-drug resistant strains of falciparum malaria. | 2.02 | 1 | 0 | fluorenes; monochlorobenzenes; secondary alcohol; tertiary amine | antimalarial |
bwa 4c [no description available] | 1.97 | 1 | 0 | | |
ici 192605 ICI 192605: structure given in first source; thromboxane receptor antagonist | 1.98 | 1 | 0 | | |
l 651896 L 651896: structure given in first source | 2.37 | 2 | 0 | | |
ono 8809 ONO 8809: structure given in first source | 1.97 | 1 | 0 | | |
enofelast [no description available] | 1.97 | 1 | 0 | | |
tmk 688 TMK 688: structure given in first source | 1.99 | 1 | 0 | | |
mci 826 MCI 826: leukotriene D4 and E4 antagonist; inhibits late asthmatic response; structure in first source | 2.4 | 2 | 0 | | |
ici d1542 ICI D1542: redirects arachidonic acid metabolism; an inhibitor of thromboxane A2 synthetase and of thromboxane receptors | 2.07 | 1 | 0 | | |
gavestinel [no description available] | 2.07 | 1 | 0 | | |
19-hydroxycholesterol 19-hydroxycholesterol: structure given in first source | 3.1 | 1 | 0 | cholestanoid | |
nifuroxime 5-nitro-2-furaldehyde oxime: structure in first source | 2.02 | 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. | 2.02 | 1 | 0 | penicillin allergen; penicillin; semisynthetic derivative | antibacterial drug |
verlukast verlukast: LTD4 receptor antagonist | 2.9 | 4 | 0 | | |
1-methyl-d-lysergic acid butanolamide [no description available] | 3.08 | 5 | 0 | ergot alkaloid; monocarboxylic acid amide | serotonergic antagonist; sympatholytic agent; vasoconstrictor agent |
beta-escin [no description available] | 1.97 | 1 | 0 | | |
borneol [no description available] | 3.1 | 1 | 0 | borneol | |
gr 103545 [no description available] | 2 | 1 | 0 | | |
(2S)-1-(1H-imidazol-5-yl)-2-propanamine [no description available] | 3.5 | 2 | 0 | aralkylamine | |
mdl 105519 MDL 105519: a potent ligand at the N-methyl-D-aspartate (NMDA) receptor-associated glycine recognition site; structure given in first source | 2.08 | 1 | 0 | | |
s-nitroso-n-acetylpenicillamine S-Nitroso-N-Acetylpenicillamine: A sulfur-containing alkyl thionitrite that is one of the NITRIC OXIDE DONORS. | 2.05 | 1 | 0 | nitroso compound; nitrosothio compound | nitric oxide donor; vasodilator agent |
sb 222200 [no description available] | 3.19 | 5 | 0 | quinolines | |
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. | 2.48 | 2 | 0 | imidazolidine-2,4-dione; nitrofuran antibiotic; organonitrogen heterocyclic antibiotic; organooxygen heterocyclic antibiotic | antibacterial drug; antiinfective agent; hepatotoxic agent |
sb 269970 SB 269970: a 5-HT(7) antagonist; structure in first source | 2.55 | 2 | 0 | sulfonamide | |
sb 334867-a 1-(2-methylbenzoxazol-6-yl)-3-(1,5)naphthyridin-4-yl urea: selective OX1 receptor antagonist | 2.07 | 1 | 0 | naphthyridine derivative | |
morphinans Morphinans: Compounds based on a partially saturated iminoethanophenanthrene, which can be described as ethylimino-bridged benzo-decahydronaphthalenes. They include some of the OPIOIDS found in PAPAVER that are used as ANALGESICS. | 3.45 | 2 | 0 | isoquinoline alkaloid fundamental parent; morphinane alkaloid | |
ergoline Ergolines: A series of structurally-related alkaloids that contain the ergoline backbone structure.. ergoline : An indole alkaloid whose structural skeleton is found in many naturally occurring and synthetic ergolines which are known to bind to neurotransmitter receptors, such as dopamine, noradrenaline and serotonin receptors and function as unselective agonists or antagonists at these receptors. | 1.97 | 1 | 0 | diamine; ergoline alkaloid; indole alkaloid fundamental parent; indole alkaloid; organic heterotetracyclic compound | |
adenosine-3',5'-cyclic phosphorothioate adenosine-3',5'-cyclic phosphorothioate: RP-cAMP-S is a protein kinase A inhibitor; SP-cAMP-S is a protein kinase A agonist. (Sp)-cAMPS : A nucleoside 3',5'-cyclic phosphorothioate having adenine as the nucleobase (the Sp-stereoisomer).. (Rp)-cAMPS : A nucleoside 3',5'-cyclic phosphorothioate having adenine as the nucleobase (the Rp-stereoisomer). | 2.01 | 1 | 0 | nucleoside 3',5'-cyclic phosphorothioate | |
sq-23377 Ionomycin: A divalent calcium ionophore that is widely used as a tool to investigate the role of intracellular calcium in cellular processes.. ionomycin : A very long-chain fatty acid that is docosa-10,16-dienoic acid which is substituted by methyl groups at positions 4, 6, 8, 12, 14, 18 and 20, by hydroxy groups at positions 11, 19 and 21, and by a (2',5-dimethyloctahydro-2,2'-bifuran-5-yl)ethanol group at position 21. An ionophore produced by Streptomyces conglobatus, it is used in research to raise the intracellular level of Ca(2+) and as a research tool to understand Ca(2+) transport across biological membranes. | 1.98 | 1 | 0 | cyclic ether; enol; polyunsaturated fatty acid; very long-chain fatty acid | calcium ionophore; metabolite |
dantrolene [no description available] | 2.48 | 2 | 0 | | |
enkephalin, leucine-2-alanine Enkephalin, Leucine-2-Alanine: A delta-selective opioid (ANALGESICS, OPIOID). It can cause transient depression of mean arterial blood pressure and heart rate. | 1.97 | 1 | 0 | | |
oxitropium oxitropium: RN given refers to bromide; structure | 1.99 | 1 | 0 | | |
tipredane [no description available] | 2.07 | 1 | 0 | 3-hydroxy steroid | androgen |
bentiromide bentiromide: chymotrypsin labile peptide used diagnostically as an index of exocrine pancreas function. bentiromide : The dipeptide obtained by condensation of N-benzoyl-L-tyrosine with 4-aminobenzoic acid. Used as a noninvasive screening test for exocrine pancreatic insufficiency and to monitor the adequacy of supplemental pancreatic therapy, it is given by mouth: the amount of 4-aminobenzoic acid and its metabolites excreted in the urine is taken as a measure of the chymotrypsin-secreting activity of the pancreas. | 2.07 | 1 | 0 | dipeptide | diagnostic agent; indicator; reagent |
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. | 2.41 | 2 | 0 | O-acetylcarnitine; saturated fatty acyl-L-carnitine | human metabolite; Saccharomyces cerevisiae metabolite |
staurosporine staurosporinium : Conjugate acid of staurosporine. | 2.43 | 2 | 0 | ammonium ion derivative | |
chloralose Chloralose: A derivative of CHLORAL HYDRATE that was used as a sedative but has been replaced by safer and more effective drugs. Its most common use is as a general anesthetic in animal experiments. | 1.98 | 1 | 0 | | |
azimilide azimilide: structure given in first source; RN given refers to dihydrochloride | 2.02 | 1 | 0 | imidazolidine-2,4-dione | |
gemifloxacin Gemifloxacin: A naphthyridine and fluoroquinolone derivative antibacterial agent and DNA TOPOISOMERASE II inhibitor that is used for the treatment of community-acquired pneumonia and acute bacterial infections associated with chronic bronchitis.. gemifloxacin : A 1,4-dihydro-1,8-naphthyridine with a carboxy group at the 3-position, an oxo sustituent at the 4-position, a fluoro substituent at the 5-position and a substituted pyrrolin-1-yl group at the 7-position. | 2.07 | 1 | 0 | 1,8-naphthyridine derivative; fluoroquinolone antibiotic; monocarboxylic acid; quinolone antibiotic | antibacterial drug; antimicrobial agent; topoisomerase IV inhibitor |
impentamine impentamine: structure in first source | 2.02 | 1 | 0 | | |
dibutyl phthalate 6-((3-cyclobutyl-2,3,4,5-tetrahydro-1H-3-benzazepin-7-yl)oxy)-N-methyl-3-pyridinecarboxamide: GSK-189254 is the HCl salt; an H3 receptor antagonist; putative cognitive enhancer; structure in first source | 2.06 | 1 | 0 | | |
utibapril utibapril: structure given in first source; prodrug for FPL 63547 diacid | 2.07 | 1 | 0 | | |
sr 142801 SR 142801: SR 142806 is the (R)-enantiomer; structure given in first source; neurokinin-3 receptor antagonist | 2 | 1 | 0 | | |
hu 210 [no description available] | 2.11 | 1 | 0 | 1-benzopyran | |
seryl-leucyl-isoleucyl-glycyl--arginyl-leucinamide seryl-leucyl-isoleucyl-glycyl--arginyl-leucinamide: a proteinase-activated receptor-2-activating peptide; SL-NH2 is NOT Ser-Leu-NH2 here | 2.03 | 1 | 0 | | |
sincalide Sincalide: An octapeptide hormone present in the intestine and brain. When secreted from the gastric mucosa, it stimulates the release of bile from the gallbladder and digestive enzymes from the pancreas. | 3.15 | 5 | 0 | oligopeptide | |
vasopressin, 1-(1-mercaptocyclohexaneacetic acid)-2-(o- methyl-l-tyrosine)-8-l-arginine- vasopressin, 1-(1-mercaptocyclohexaneacetic acid)-2-(O- methyl-L-tyrosine)-8-L-arginine-: highly potent antagonist of vasopressor response to arginine-vasopressin; structure in first source | 3.02 | 4 | 0 | | |
3,5-dimethyl-2-(3-pyridyl)thiazolidin-4-one 3,5-dimethyl-2-(3-pyridyl)thiazolidin-4-one: structure given in first source; SM-12502 is the (+) enantiomer of SM-10661; PAF antagonist | 2.38 | 2 | 0 | | |
zd 9379 ZD 9379: structure given in first source | 2.07 | 1 | 0 | | |
ly 450139 [no description available] | 2.07 | 1 | 0 | peptide | |
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. | 3.35 | 7 | 0 | organic molecular entity | |
cangrelor cangrelor: platelet P(2T) receptor antagonist. cangrelor : A nucleoside triphosphate analogue that is 5'-O-[({[dichloro(phosphono)methyl](hydroxy)phosphoryl}oxy)(hydroxy)phosphoryl]adenosine carrying additional 2-(methylsulfanyl)ethyl and (3,3,3-trifluoropropyl)sulfanyl substituents at positions N6 and C2 respectively. Used (in the form of its tetrasodium salt) as an intravenous antiplatelet drug that prevents formation of harmful blood clots in the coronary arteries. | 2.07 | 1 | 0 | adenosine 5'-phosphate; aryl sulfide; nucleoside triphosphate analogue; organochlorine compound; organofluorine compound; secondary amino compound | P2Y12 receptor antagonist; platelet aggregation inhibitor |
st 1535 [no description available] | 2.02 | 1 | 0 | | |
mocetinostat mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 2.71 | 3 | 0 | aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline | antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent |
sch 527123 [no description available] | 2.07 | 1 | 0 | | |
l 365260 [no description available] | 2 | 1 | 0 | | |
hmr 1556 HMR 1556: an I(Ks) channel blocker; structure in first source | 2.02 | 1 | 0 | | |
gentamicin sulfate [no description available] | 2.07 | 1 | 0 | | |
norcodeine norcodeine: RN given refers to (5 alpha,6 alpha)-isomer. norcodeine : A morphinane-like compound that is the N-demethylated derivative of codeine. | 3.1 | 1 | 0 | morphinane alkaloid | |
neuromedin n neuromedin N: peptide from porcine spinal cord with amino acid sequence homologous to COOH-terminal sequence of neurotensin | 1.97 | 1 | 0 | | |
pitolisant pitolisant: functions as both inverse agonist and antagonist of histamine H3 receptors; structure in first source | 2.13 | 1 | 0 | organochlorine compound | |
linaprazan linaprazan: structure in first source | 2.07 | 1 | 0 | | |
4-hydroxyestrone 4-hydroxyestrone : A 4-hydroxy steroid that is estrone substituted by a hydroxy group at position 4. | 3.1 | 1 | 0 | 17-oxo steroid; 3-hydroxy steroid; 4-hydroxy steroid; catechols; phenolic steroid | carcinogenic agent; estrogen; human urinary metabolite |
4-(1H-imidazol-5-ylmethyl)pyridine [no description available] | 2.02 | 1 | 0 | pyridines | |
1-phenyl-3-dimethylamino-1,2,3,4-tetrahydronaphthalene 1-phenyl-3-dimethylamino-1,2,3,4-tetrahydronaphthalene: a 5-HT2C agonist and 5-HT2A,2B antagonist; RN refers to (trans)-isomer; a phenylaminotetralin; structure given in first source | 2.92 | 4 | 0 | | |
pimavanserin pimavanserin: A 5-HT(2A) inverse agonist; ACP-103 is the dihydroxybutanedioate (2:1) salt. It is used to treat hallucinations and delusions associated with PARKINSON DISEASE; structure in first source.. pimavanserin : A member of the class of ureas in which three of the four hydrogens are replaced by 4-fluorobenzyl, 1-methylpiperidin-4-yl, and 4-(isopropyloxy)benzyl groups. An atypical antipsychotic that is used (in the form of its tartrate salt) for treatment of hallucinations and delusions associated with Parkinson's disease. | 2.25 | 1 | 0 | aromatic ether; monofluorobenzenes; piperidines; tertiary amino compound; ureas | 5-hydroxytryptamine 2A receptor inverse agonist; antipsychotic agent; serotonergic antagonist |
lecozotan lecozotan: structure in first source | 2.07 | 1 | 0 | | |
vitamin u Vitamin U: A vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.. S-methyl-L-methioninate : A sulfonium betaine that is a conjugate base of S-methyl-L-methionine obtained by the deprotonation of the carboxy group. | 2 | 1 | 0 | methyl-L-methionine; sulfonium betaine | |
ar c155858 AR C155858: an MCT1 inhibitor; structure in first source | 2.07 | 1 | 0 | | |
11 beta-hydroxyandrosterone 11 beta-hydroxyandrosterone: RN given refers to (3alpha,5alpha,11beta)-isomer; structure | 3.1 | 1 | 0 | 3-hydroxy steroid | androgen |
eledoisin Eledoisin: A peptide extracted from the posterior salivary glands of certain small octopi (Eledone spp., Mollusca), or obtained by synthesis. Its actions resemble those of SUBSTANCE P; it is a potent vasodilator and increases capillary permeability. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1364) | 1.97 | 1 | 0 | peptide | |
2-hydroxyestriol 2-hydroxyestriol: structure | 3.1 | 1 | 0 | | |
substance p [no description available] | 2.41 | 2 | 0 | | |
homatropine methylbromide homatropine methylbromide: RN given refers to bromide (endo-(+-))-isomer | 2.07 | 1 | 0 | | |
methyl arachidonylfluorophosphonate [no description available] | 2.11 | 1 | 0 | phosphonic ester | |
histaprodifen [no description available] | 3.27 | 6 | 0 | | |
oxadiazoles Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 2.72 | 3 | 0 | | |
ucn 1028 c calphostin C: structure given in first source; isolated from Cladosporium cladosporioides | 2 | 1 | 0 | | |
palytoxin palytoxin: coelenterate toxin; composed of substituted N-3-hydroxypropyl-trans-3-amidoacrylamides. palytoxin : A polyol marine coelenterate toxin composed of substituted N-3-hydroxypropyl-trans-3-amidoacrylamides and produced by species of Palythoa and Zoanthus soft corals (collectively called zoantharians), either as a defence mechanism or to assist them in capturing prey. An ionophore that forms cation channels through Na+/K+-ATPase, it is a potent vasoconstrictor useful in evaluation of anti-angina agents. It is considered to be one of the most poisonous non-protein substances known, second only to maitotoxin in terms of toxicity in mice. | 1.97 | 1 | 0 | polyol | toxin |
6-[[5-fluoro-2-(3,4,5-trimethoxyanilino)-4-pyrimidinyl]amino]-2,2-dimethyl-4H-pyrido[3,2-b][1,4]oxazin-3-one [no description available] | 2.07 | 1 | 0 | methoxybenzenes; substituted aniline | |
sb 742457 3-benzenesulfonyl-8-piperazin-1-ylquinoline: a 5-HT6 receptor antagonist | 2.25 | 1 | 0 | | |
methimepip methimepip: histamine H3 agonist | 2.02 | 1 | 0 | | |
ro 31-8425 Ro 31-8425: structure given in first source | 2 | 1 | 0 | | |
veratridine Veratridine: A benzoate-cevane found in VERATRUM and Schoenocaulon. It activates SODIUM CHANNELS to stay open longer than normal. | 2 | 1 | 0 | | |
lorcaserin lorcaserin: orally active, small-molecule 5-hydroxytryptamine 2C agonist for the potential treatment of obesity and diabetes. lorcaserin : A benzazepine that is 2,3,4,5-tetrahydro-3-benzazepine substituted at position 1 by a methyl group and a t position 6 by a chloro group. | 2.13 | 1 | 0 | benzazepine; organochlorine compound | anti-obesity agent; appetite depressant |
calcimycin Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. | 3.84 | 12 | 0 | benzoxazole | |
scopolamine hydrobromide [no description available] | 5.6 | 24 | 0 | | |
pituitrin Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 4.64 | 6 | 1 | | |
acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.99 | 1 | 0 | | |
alpha-fluoromethylhistamine alpha-fluoromethylhistamine: RN given refers to (S)-iosmer | 1.97 | 1 | 0 | | |
4-(1h-imidazol-4-yl)butanamine 4-(1H-imidazol-4-yl)butanamine: agonist of both H3 and H4 histamine receptors; structure in first source | 2.02 | 1 | 0 | | |
icatibant icatibant: a potent bradykinin (B2) receptor antagonist; WIN 65365 is an L-Tic(7) stereoisomer. icatibant : A ten-membered synthetic oligopeptide consisting of D-Arg, Arg, Pro, Hyp, Gly, Thi, Ser, D-Tic, Oic, and Arg residues joined in sequrence. A bradykinin receptor antagonist used as its acetate salt for the treatment of acute attacks of hereditary angioedema in adult patients. | 3.61 | 9 | 0 | | |
jaw [no description available] | 2 | 1 | 0 | indolecarboxamide | |
amodiaquine hydrochloride [no description available] | 2.07 | 1 | 0 | | |
cosyntropin Cosyntropin: A synthetic peptide that is identical to the 24-amino acid segment at the N-terminal of ADRENOCORTICOTROPIC HORMONE. ACTH (1-24), a segment similar in all species, contains the biological activity that stimulates production of CORTICOSTEROIDS in the ADRENAL CORTEX.. cosyntropin : A synthetic peptide that is identical to the 24-amino acid segment at the N-terminal of adrenocorticotropic hormone (corticotropin). A segment similar in all species, it contains the biological activity that stimulates production of corticosteroids in the adrenal cortex. It is used diagnostically to investigate adrenocortical insufficiency. | 1.96 | 1 | 0 | | |
cholecystokinin Cholecystokinin: A peptide, of about 33 amino acids, secreted by the upper INTESTINAL MUCOSA and also found in the central nervous system. It causes gallbladder contraction, release of pancreatic exocrine (or digestive) enzymes, and affects other gastrointestinal functions. Cholecystokinin may be the mediator of satiety. | 2.66 | 3 | 0 | | |
somatostatin [no description available] | 3.33 | 6 | 0 | heterodetic cyclic peptide; peptide hormone | |
atrial natriuretic factor Atrial Natriuretic Factor: A potent natriuretic and vasodilatory peptide or mixture of different-sized low molecular weight PEPTIDES derived from a common precursor and secreted mainly by the HEART ATRIUM. All these peptides share a sequence of about 20 AMINO ACIDS. | 2 | 1 | 0 | polypeptide | |
nociceptin [no description available] | 3.44 | 7 | 0 | organic molecular entity; polypeptide | human metabolite; rat metabolite |
gastrins Gastrins: A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. | 3.47 | 8 | 0 | | |
urotensin i urotensin I: stimulates active chloride transport by the skin of marine teleost in contrast to urotensin II which inhibits it; RN given refers to urotensin I with unknown MF; see also record for urotensin II | 1.96 | 1 | 0 | | |
glucagon Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 1.95 | 1 | 0 | peptide hormone | |
mast cell degranulating peptide mast cell degranulating peptide: isolated from bee venoms; made up of 22 amino acids; has 2 disulfide bridges | 1.97 | 1 | 0 | | |
beta-endorphin beta-Endorphin: A 31-amino acid peptide that is the C-terminal fragment of BETA-LIPOTROPIN. It acts on OPIOID RECEPTORS and is an analgesic. Its first four amino acids at the N-terminal are identical to the tetrapeptide sequence of METHIONINE ENKEPHALIN and LEUCINE ENKEPHALIN.. beta-endorphin : A polypeptide consisting of 31 amino acid residues in the sequence Tyr-Gly-Gly-Phe-Met-Thr-Ser-Glu-Lys-Ser-Gln-Thr-Pro-Leu-Val-Thr-Leu-Phe-Lys-Asn-Ala-Ile-Ile-Lys-Asn-Ala-Tyr-Lys-Lys-Gly-Glu. It is an endogenous opioid peptide neurotransmitter found in the neurons of both the central and peripheral nervous system and results from processing of the precursor protein proopiomelanocortin (POMC). | 3.07 | 5 | 0 | | |
neuropeptide y Neuropeptide Y: A 36-amino acid peptide present in many organs and in many sympathetic noradrenergic neurons. It has vasoconstrictor and natriuretic activity and regulates local blood flow, glandular secretion, and smooth muscle activity. The peptide also stimulates feeding and drinking behavior and influences secretion of pituitary hormones. | 3.38 | 7 | 0 | | |
msh, 4-nle-7-phe-alpha- [no description available] | 3.19 | 5 | 0 | polypeptide | dermatologic drug |
c-peptide C-Peptide: The middle segment of proinsulin that is between the N-terminal B-chain and the C-terminal A-chain. It is a pancreatic peptide of about 31 residues, depending on the species. Upon proteolytic cleavage of proinsulin, equimolar INSULIN and C-peptide are released. C-peptide immunoassay has been used to assess pancreatic beta cell function in diabetic patients with circulating insulin antibodies or exogenous insulin. Half-life of C-peptide is 30 min, almost 8 times that of insulin. | 2.05 | 1 | 0 | | |
bombesin [no description available] | 3 | 4 | 0 | | |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.35 | 2 | 0 | glycoside | |
endothelin-1 Endothelin-1: A 21-amino acid peptide produced in a variety of tissues including endothelial and vascular smooth-muscle cells, neurons and astrocytes in the central nervous system, and endometrial cells. It acts as a modulator of vasomotor tone, cell proliferation, and hormone production. (N Eng J Med 1995;333(6):356-63) | 2.79 | 3 | 0 | | |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 1.97 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
thimerosal Thimerosal: An ethylmercury-sulfidobenzoate that has been used as a preservative in VACCINES; ANTIVENINS; and OINTMENTS. It was formerly used as a topical antiseptic. It degrades to ethylmercury and thiosalicylate.. thimerosal : An alkylmercury compound (approximately 49% mercury by weight) used as an antiseptic and antifungal agent. | 2.01 | 1 | 0 | alkylmercury compound | antifungal drug; antiseptic drug; disinfectant; drug allergen |
azd 7545 AZD 7545: an anilide tertiary carbinol; a pyruvate dehydrogenase kinase 2 inhibitor. AZD7545 : A sulfone that is benzene substituted by [4-(dimethylcarbamoyl)phenyl]sulfonyl, chloro and [(2R)-3,3,3-trifluoro-2-hydroxy-2-methylpropanoyl]amino groups at positions 1, 3 and 4, respectively. It is a potent and non-ATP-competitive inhibitor of pyruvate dehydrogenase kinase 2 (PDHK2) with IC50 of 6.4 nM and exhibits glucose-lowering activity. Also inhibits PDHK1 at higher levels (IC50 = 36.8 nM). | 2.07 | 1 | 0 | benzamides; monochlorobenzenes; organofluorine compound; secondary carboxamide; sulfone; tertiary alcohol; tertiary carboxamide | EC 2.7.11.2 - [pyruvate dehydrogenase (acetyl-transferring)] kinase inhibitor; hypoglycemic agent |
adenosine kinase Adenosine Kinase: An enzyme that catalyzes the formation of ADP plus AMP from adenosine plus ATP. It can serve as a salvage mechanism for returning adenosine to nucleic acids. EC 2.7.1.20. | 2 | 1 | 0 | | |
sodium salicylate [no description available] | 1.93 | 1 | 0 | organic molecular entity | |
gsk 1004723 GSK 1004723: structure in first source | 2.06 | 1 | 0 | | |
lucifer yellow lucifer yellow: RN given refers to di-Li salt | 1.99 | 1 | 0 | organic lithium salt | fluorochrome |
hoe k86-4321 HOE k86-4321: bradykinin antagonist | 1.97 | 1 | 0 | | |
9-(tetrahydro-2-furyl)-adenine [no description available] | 2 | 1 | 0 | | |
kt2 962 6-isopropyl-3-(4-(4-chlorobenzenesulfonylamino)butyl)azulene-1-sulfonic acid sodium salt: structure given in first source; a prostaglandin endoperoxide receptor antagonist; RN given refers to the mono-sodium salt; RN for parent cpd not available 4/93 | 1.98 | 1 | 0 | | |
bucladesine Bucladesine: A cyclic nucleotide derivative that mimics the action of endogenous CYCLIC AMP and is capable of permeating the cell membrane. It has vasodilator properties and is used as a cardiac stimulant. (From Merck Index, 11th ed). bucladesine : A 3',5'-cyclic purine nucleotide that is the 2'-butanoate ester and 6-N-butanoyl derivative of 3',5'-cyclic AMP. | 2.9 | 4 | 0 | 3',5'-cyclic purine nucleotide | |
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. | 2.07 | 1 | 0 | potassium salt | antibacterial drug; antimicrobial agent; EC 3.5.2.6 (beta-lactamase) inhibitor |
cytomel liothyronine sodium : The sodium salt of liothyronine. Thought to be more active than levothyroxine and with a rapid (few hours) onset and short duration of action, liothyronine sodium is used in the treatment of hypothyroidism, particularly in cases of hypothyroid coma. | 2.07 | 1 | 0 | organic sodium salt | |
picrotoxin Picrotoxin: A noncompetitive antagonist at GABA-A receptors and thus a convulsant. Picrotoxin blocks the GAMMA-AMINOBUTYRIC ACID-activated chloride ionophore. Although it is most often used as a research tool, it has been used as a CNS stimulant and an antidote in poisoning by CNS depressants, especially the barbiturates.. picrotoxin : A mixture consisting of equimolar amounts of picrotoxinin and picrotin found in the climbing plant Anamirta cocculus. | 2.1 | 1 | 0 | | |
intrinsic factor Intrinsic Factor: A glycoprotein secreted by the cells of the GASTRIC GLANDS that is required for the absorption of VITAMIN B 12 (cyanocobalamin). Deficiency of intrinsic factor leads to VITAMIN B 12 DEFICIENCY and ANEMIA, PERNICIOUS. | 1.95 | 1 | 0 | | |
cardiovascular agents Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 2.71 | 3 | 0 | | |
neurotensin neurotensin, Tyr(11)-: RN given refers to parent cpd & (D)-isomer; RN for cpd without isomeric designation not avail 5/91 | 8.89 | 12 | 0 | peptide hormone | human metabolite; mitogen; neurotransmitter; vulnerary |
substance p, prolyl(2)-tryptophan(7,9)- substance P, prolyl(2)-tryptophan(7,9)-: substance P antagonist | 2.66 | 3 | 0 | | |
substance p, arg(1)-pro(2)-trp(7),(9)-leunh(2)(11)- substance P, Arg(1)-Pro(2)-Trp(7),(9)-LeuNH(2)(11)-: MH SUBSTANCE P contains L-Arg(1), L-Pro(2); substance P antagonist | 2.88 | 4 | 0 | | |
lysophosphatidylserine lysophosphatidylserine: stimulates histamine secretion from isolated mast cells in mouse plasma. lysophosphatidylserine : An acylglycerophosphoserine resulting from partial hydrolysis of a phosphatidylserine, which removes one of the fatty acid groups. The structure is depicted in the image where R(1) = acyl, R(2) = H or where R(1) = H, R(2) = acyl. Formula C7H13NO9PR, where R represents the hydrocarbon chain of the fatty acyl group.. 1-stearoyl-sn-glycero-3-phosphoserine : A 1-acyl-sn-glycerophosphoserine in which the acyl group is specified as stearoyl (octadecanoyl). | 1.95 | 1 | 0 | 1-acyl-sn-glycero-3-phosphoserine | |
a 967079 A 967079: a TRPA1 channel antagonist; structure in first source | 2.07 | 1 | 0 | | |
piperidines Piperidines: A family of hexahydropyridines. | 6.94 | 93 | 0 | | |
pht 427 4-dodecyl-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide: an antineoplastic agent; structure in first source | 2.07 | 1 | 0 | | |
endothelins [no description available] | 3.16 | 5 | 0 | | |
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. | 2.41 | 2 | 0 | | |
pituitary adenylate cyclase activating polypeptide 38 [no description available] | 3 | 4 | 0 | | |
aplysiatoxin aplysiatoxin: structure. aplysiatoxin : The parent member of the class of aplysiatoxins. It is a cyanotoxin produced by several species of freshwater and marine cyanobacteria, as well as algae and molluscs. | 1.97 | 1 | 0 | aplysiatoxins; bromophenol; cyclic hemiketal; ether; organic heterotricyclic compound; secondary alcohol; spiroketal | algal metabolite; carcinogenic agent; cyanotoxin; marine metabolite; protein kinase C agonist |
vasoactive intestinal peptide Vasoactive Intestinal Peptide: A highly basic, 28 amino acid neuropeptide released from intestinal mucosa. It has a wide range of biological actions affecting the cardiovascular, gastrointestinal, and respiratory systems and is neuroprotective. It binds special receptors (RECEPTORS, VASOACTIVE INTESTINAL PEPTIDE). | 2.66 | 3 | 0 | | |
leukotoxin leukotoxin: do not confuse with leukotoxin which is 9,10-epoxy-12-octadecenoate | 1.98 | 1 | 0 | | |
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. | 3.05 | 5 | 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. | 3.1 | 1 | 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. | 3.53 | 2 | 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. | 3.05 | 1 | 0 | | |
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. | 2.07 | 1 | 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. | 2.88 | 4 | 0 | 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. | 2.4 | 2 | 0 | hydroxycoumarin | anticoagulant; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; Hsp90 inhibitor; vitamin K antagonist |
piroxicam [no description available] | 3.6 | 9 | 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 |
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. | 2.44 | 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 | 1 | 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 | 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. | 3.1 | 5 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
4-hydroxycoumarin 2-hydroxychromone: structure | 3.1 | 1 | 0 | hydroxycoumarin | |
2'-hydroxy-5,9-dimethyl-2-allyl-6,7-benzomorphan SK&F 10047: pharmacologic action of cpd may depend on (L)- or (D)-isomerism; RN given refers to cpd without isomeric designation | 2.05 | 1 | 0 | | |
epidermal growth factor Epidermal Growth Factor: A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. Epidermal growth factor exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and EPITHELIAL CELLS. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form. | 2.34 | 2 | 0 | | |
acth (7-38) ACTH (7-38): do not confuse with CIP protein. defensin : A family of cysteine-rich polypeptides that function as host defence peptides and consist of 18-45 amino acids including six to eight cysteine residues. | 1.96 | 1 | 0 | | |
kaolinite Kaolin: The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: high ridge), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed). kaolin : An aluminosilicate soft white mineral named after the hill in China (Kao-ling) from which it was mined for centuries. In its natural state kaolin is a white, soft powder consisting principally of the mineral kaolinite, and varying amounts of other minerals such as muscovite, quartz, feldspar, and anatase. It is used in the manufacture of china and porcelain and also widely used in the production of paper, rubber, paint, drying agents, and many other products. | 1.97 | 1 | 0 | aluminosilicate mineral; mixture | antidiarrhoeal drug; excipient |
charybdotoxin [no description available] | 2.02 | 1 | 0 | | |
transforming growth factor beta Transforming Growth Factor beta: A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducing phenotypic transformation and can also act as a negative autocrine growth factor. TGF-beta has a potential role in embryonal development, cellular differentiation, hormone secretion, and immune function. TGF-beta is found mostly as homodimer forms of separate gene products TGF-beta1, TGF-beta2 or TGF-beta3. Heterodimers composed of TGF-beta1 and 2 (TGF-beta1.2) or of TGF-beta2 and 3 (TGF-beta2.3) have been isolated. The TGF-beta proteins are synthesized as precursor proteins. | 2.03 | 1 | 0 | | |
saxitoxin Saxitoxin: A compound that contains a reduced purine ring system but is not biosynthetically related to the purine alkaloids. It is a poison found in certain edible mollusks at certain times; elaborated by GONYAULAX and consumed by mollusks, fishes, etc. without ill effects. It is neurotoxic and causes RESPIRATORY PARALYSIS and other effects in MAMMALS, known as paralytic SHELLFISH poisoning.. saxitoxin : An alkaloid isolated from the marine dinoflagellates and cyanobacteria that causes paralytic shellfish poisoning. | 2 | 1 | 0 | alkaloid; carbamate ester; guanidines; ketone hydrate; paralytic shellfish toxin; pyrrolopurine | cyanotoxin; marine metabolite; neurotoxin; sodium channel blocker; toxin |
okadaic acid Okadaic Acid: A specific inhibitor of phosphoserine/threonine protein phosphatase 1 and 2a. It is also a potent tumor promoter. It is produced by DINOFLAGELLATES and causes diarrhetic SHELLFISH POISONING.. okadaic acid : A polycyclic ether that is produced by several species of dinoflagellates, and is known to accumulate in both marine sponges and shellfish. A polyketide, polyether derivative of a C38 fatty acid, it is one of the primary causes of diarrhetic shellfish poisoning (DSP). It is a potent inhibitor of specific protein phosphatases and is known to have a variety of negative effects on cells. | 2 | 1 | 0 | ketal | |
tcv 309 TCV 309: PAF antagonist | 1.99 | 1 | 0 | | |
caseins Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. | 1.99 | 1 | 0 | | |
nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 1.99 | 1 | 0 | | |
carboxypeptidase b Carboxypeptidase B: A ZINC-dependent carboxypeptidase primary found in the DIGESTIVE SYSTEM. The enzyme catalyzes the preferential cleavage of a C-terminal peptidyl-L-lysine or arginine. It was formerly classified as EC 3.4.2.2 and EC 3.4.12.3. | 2.37 | 2 | 0 | | |
3-iodothyroacetic acid 3-iodothyroacetic acid: a thyroid hormone metabolite; structure in first source | 2.11 | 1 | 0 | | |
oryzatensin oryzatensin: released from rice soluble protein upon digestion with trypsin; amino acid sequence in first source | 1.99 | 1 | 0 | | |
ginkgolide b [no description available] | 3.22 | 6 | 0 | | |
aconitine Aconitine: A C19 norditerpenoid alkaloid (DITERPENES) from the root of ACONITUM; DELPHINIUM and larkspurs. It activates VOLTAGE-GATED SODIUM CHANNELS. It has been used to induce ARRHYTHMIAS in experimental animals and it has anti-inflammatory and anti-neuralgic properties.. aconitine : A diterpenoid that is 20-ethyl-3alpha,13,15alpha-trihydroxy-1alpha,6alpha,16beta-trimethoxy-4-(methoxymethyl)aconitane-8,14alpha-diol having acetate and benzoate groups at the 8- and 14-positions respectively. | 1.96 | 1 | 0 | | |
maxadilan protein, insect maxadilan protein, insect: peptide from salivary glands of the sand fly Lutzomyia longipalpis; has 500 times the vasodilator avtivity of calcitonin gene-related peptide | 2.05 | 1 | 0 | | |
cyclosporine Cyclosporine: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). | 3.82 | 3 | 0 | | |
peptide yy Peptide YY: A 36-amino acid peptide produced by the L cells of the distal small intestine and colon. Peptide YY inhibits gastric and pancreatic secretion.. peptide YY : A 36-membered human gut polypeptide consisting of Tyr, Pro, Ile, Lys, Pro, Glu, Ala, Pro, Gly, Glu, Asp, Ala, Ser, Pro, Glu, Glu, Leu, Asn, Arg, Tyr, Tyr, Ala, Ser, Leu, Arg, His, Tyr, Leu, Asn, Leu, Val, Thr, Arg, Gln, Arg and Tyr-NH2 residues joined in sequence. | 1.97 | 1 | 0 | | |
digitonin Digitonin: A glycoside obtained from Digitalis purpurea; the aglycone is digitogenin which is bound to five sugars. Digitonin solubilizes lipids, especially in membranes and is used as a tool in cellular biochemistry, and reagent for precipitating cholesterol. It has no cardiac effects.. digitonin : A spirostanyl glycoside that is digitogenin in which the 3-hydroxy group is substituted by a beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->2)-[beta-D-xylopyranosyl-(1->3)]-beta-D-glucopyranosyl-(1->4)-beta-D-galactopyranosyl group. It is a steroidal saponin isolated from the foxglove plant, Digitalis purpurea. It is used extensively as a mild non-ionic detergent for extracting proteins from membranes for structure and function studies. | 1.97 | 1 | 0 | | |
l 649923 L 649923: RN refers to (+-)-isomer; structure in first source; leukotriene D4 antagonist | 2.37 | 2 | 0 | | |
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. | 2.42 | 2 | 0 | 2-aminopurines; oxopurine | antimetabolite; antiviral drug |
cyclic gmp Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 4.05 | 15 | 0 | 3',5'-cyclic purine nucleotide; guanyl ribonucleotide | Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
guanosine diphosphate Guanosine Diphosphate: A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. | 1.99 | 1 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
guanosine triphosphate Guanosine Triphosphate: Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. | 2.89 | 4 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
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. | 2.07 | 1 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
guanosine 5'-o-(3-thiotriphosphate) Guanosine 5'-O-(3-Thiotriphosphate): Guanosine 5'-(trihydrogen diphosphate), monoanhydride with phosphorothioic acid. A stable GTP analog which enjoys a variety of physiological actions such as stimulation of guanine nucleotide-binding proteins, phosphoinositide hydrolysis, cyclic AMP accumulation, and activation of specific proto-oncogenes. | 3.5 | 8 | 0 | nucleoside triphosphate analogue | |
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) | 3.53 | 2 | 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. | 5.49 | 20 | 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. | 2.48 | 2 | 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. | 2.07 | 1 | 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] | 1.99 | 1 | 0 | 2-aminopurines; oxopurine | antiinfective agent; antiviral drug |
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. | 2.07 | 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. | 3.3 | 6 | 0 | benzodiazepine; N-arylpiperazine; N-methylpiperazine | antiemetic; dopaminergic antagonist; histamine antagonist; muscarinic antagonist; second generation antipsychotic; serotonergic antagonist; serotonin uptake inhibitor |
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. | 1.96 | 1 | 0 | pyrazolopyrimidine | drug metabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor |
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. | 2.4 | 2 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
leucovorin 5-formyltetrahydrofolic acid : A formyltetrahydrofolic acid in which the formyl group is located at position 5. | 2.07 | 1 | 0 | formyltetrahydrofolic acid | Escherichia coli metabolite; mouse metabolite |
guanylyl imidodiphosphate Guanylyl Imidodiphosphate: A non-hydrolyzable analog of GTP, in which the oxygen atom bridging the beta to the gamma phosphate is replaced by a nitrogen atom. It binds tightly to G-protein in the presence of Mg2+. The nucleotide is a potent stimulator of ADENYLYL CYCLASES.. guanosine 5'-[beta,gamma-imido]triphosphate : A nucleoside triphosphate analogue that is GTP in which the oxygen atom bridging the beta- to the gamma- phosphate is replaced by a nitrogen atom A non-hydrolyzable analog of GTP, it binds tightly to G-protein in the presence of Mg(2+). | 3.08 | 5 | 0 | nucleoside triphosphate analogue | |
norclozapine norclozapine: structure given in first source. N-desmethylclozapine : A dibenzodoazepine substituted with chloro and piperazino groups which is a major metabolite of clozapine; a potent and selective 5-HT2C serotonin receptor antagonist. | 3.1 | 1 | 0 | dibenzodiazepine; organochlorine compound; piperazines | delta-opioid receptor agonist; metabolite; serotonergic antagonist |
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. | 2.03 | 1 | 0 | (trifluoromethyl)benzenes; cyclic acetal; morpholines; triazoles | antidepressant; antiemetic; neurokinin-1 receptor antagonist; peripheral nervous system drug; substance P receptor antagonist |
8-bromocyclic gmp 8-bromo-3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic GMP bearing an additional bromo substituent at position 8 on the guanine ring. A membrane permeable cGMP analogue that activates protein kinase G (PKG). It is 4.3-fold more potent than cGMP in activating PKG1alpha and promotes relaxation of tracheal and vascular smooth muscle tissue in vitro. | 2.02 | 1 | 0 | 3',5'-cyclic purine nucleotide; organobromine compound | muscle relaxant; protein kinase G agonist |
trypan blue Trypan Blue: A diazo-naphthalene sulfonate that is widely used as a stain.. trypan blue : An organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). | 1.96 | 1 | 0 | | |
carbadox Carbadox: An antibacterial agent that has been used in veterinary practice for treating swine dysentery and enteritis and for promoting growth. However, its use has been prohibited in the UK following reports of carcinogenicity and mutagenicity. (From Martindale, The Extra Pharmacopoeia, 30th ed, p125) | 2.07 | 1 | 0 | quinoxaline derivative | |
fenobam fenobam: in USAN fenobam refers to monohydrate | 2.07 | 1 | 0 | ureas | |
eye [no description available] | 9.05 | 3 | 1 | | |
concanavalin a Concanavalin A: A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures. | 3.07 | 5 | 0 | | |
trypsinogen Trypsinogen: The inactive proenzyme of trypsin secreted by the pancreas, activated in the duodenum via cleavage by enteropeptidase. (Stedman, 25th ed) | 1.96 | 1 | 0 | | |
pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 3.35 | 7 | 0 | | |