Substance | Relationship Strength | Studies | Trials | Classes | Roles |
3-hydroxybenzaldehyde [no description available] | 2.05 | 1 | 0 | hydroxybenzaldehyde | |
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. | 2.37 | 2 | 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. | 4.15 | 5 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
4-hydroxyphenylacetic acid 4-hydroxyphenylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 4-hydroxyphenyl group. | 2.65 | 3 | 0 | monocarboxylic acid; phenols | fungal metabolite; human metabolite; mouse metabolite; plant metabolite |
4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.05 | 1 | 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. | 9.94 | 12 | 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. | 1.96 | 1 | 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. | 3.07 | 5 | 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 |
adenine [no description available] | 1.97 | 1 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
agmatine Agmatine: Decarboxylated arginine, isolated from several plant and animal sources, e.g., pollen, ergot, herring sperm, octopus muscle. | 2 | 1 | 0 | guanidines; primary amino compound | Escherichia coli metabolite; mouse metabolite |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 3.48 | 2 | 0 | azane; gas molecular entity; mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor; metabolite; mouse metabolite; neurotoxin; NMR chemical shift reference compound; nucleophilic reagent; refrigerant |
benzene [no description available] | 7.4 | 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. | 7.02 | 1 | 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 |
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. | 2.35 | 2 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
cadaverine [no description available] | 3.53 | 7 | 0 | alkane-alpha,omega-diamine | Daphnia magna metabolite; Escherichia coli metabolite; mouse metabolite; plant metabolite |
catechol [no description available] | 6.93 | 1 | 0 | catechols | allelochemical; genotoxin; plant metabolite |
methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.07 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
choline [no description available] | 7.65 | 3 | 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. | 2.9 | 2 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
coumarin 2H-chromen-2-one: coumarin derivative | 2.44 | 2 | 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. | 2.03 | 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). | 4.38 | 6 | 0 | monohydroxybenzoic acid | algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite |
octane Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 2.03 | 1 | 0 | alkane | xenobiotic |
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. | 7.52 | 2 | 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 |
indoleacetamide indoleacetamide: article does not mention position of acetamide group; amide of indole-3-acetic acid (IAA), the natural auxin found in plants. indole-3-acetamide : A member of the class of indoles that is acetamide substituted by a 1H-indol-3-yl group at position 2. It is an intermediate in the production of plant hormone indole acetic acid (IAA). | 2.48 | 2 | 0 | indoles; monocarboxylic acid amide; N-acylammonia | bacterial metabolite; fungal metabolite; 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. | 2.89 | 4 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
creatine [no description available] | 1.94 | 1 | 0 | glycine derivative; guanidines; zwitterion | geroprotector; human metabolite; mouse metabolite; neuroprotective agent; nutraceutical |
cytosine [no description available] | 1.97 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 7.74 | 3 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
ethanolamine [no description available] | 2 | 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 | 1.96 | 1 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
hexachlorocyclohexane Lindane: An organochlorine insecticide made up of greater than 99% gamma-Hexachlorocyclohexane. It has been used as a pediculicide and scabicide, and shown to cause cancer.. beta-hexachlorocyclohexane : The beta-isomer of hexachlorocyclohexane. | 1.96 | 1 | 0 | chlorocyclohexane | |
glycine [no description available] | 3.99 | 4 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.07 | 1 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
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. | 1.97 | 1 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
histamine [no description available] | 4.95 | 38 | 0 | aralkylamino compound; imidazoles | human metabolite; mouse metabolite; neurotransmitter |
hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.97 | 4 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
hydroquinone [no description available] | 2.03 | 1 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
indole [no description available] | 4.47 | 24 | 0 | indole; polycyclic heteroarene | Escherichia coli metabolite |
indole-3-acetaldehyde indoleacetaldehyde : An aldehyde that is acetaldehyde substituted by an indolyl group.. indol-3-ylacetaldehyde : An indoleacetaldehyde that is acetaldehyde in which one of the methyl hydrogens are replaced by a indol-3-yl group. It is an intermediate metabolite in the metabolism of tryptophan. | 7.88 | 4 | 0 | indoleacetaldehyde | bacterial metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
indoleacetic acid indoleacetic acid: RN given refers to unlabeled parent cpd; structure in Merck Index, 9th ed, #4841. auxin : Any of a group of compounds, both naturally occurring and synthetic, that induce cell elongation in plant stems (from Greek alphaupsilonxialphanuomega, "to grow").. indole-3-acetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group. | 5.78 | 29 | 0 | indole-3-acetic acids; monocarboxylic acid | auxin; human metabolite; mouse metabolite; plant hormone; plant metabolite |
indol-3-yl pyruvic acid 3-(indol-3-yl)pyruvic acid : A 2-oxo monocarboxylic acid that is pyruvic acid substituted by a 1H-indol-3-yl group at position 3. It has been found in Lycopersicon esculentum | 2.52 | 2 | 0 | 2-oxo monocarboxylic acid; indol-3-yl carboxylic acid | plant metabolite; Saccharomyces cerevisiae 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. | 2.37 | 2 | 0 | hydroxyphenylalanine; non-proteinogenic alpha-amino acid; tyrosine derivative | human metabolite |
kynurenine Kynurenine: A metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway.. kynurenine : A ketone that is alanine in which one of the methyl hydrogens is substituted by a 2-aminobenzoyl group. | 1.99 | 1 | 0 | aromatic ketone; non-proteinogenic alpha-amino acid; substituted aniline | human metabolite |
pyruvaldehyde Pyruvaldehyde: An organic compound used often as a reagent in organic synthesis, as a flavoring agent, and in tanning. It has been demonstrated as an intermediate in the metabolism of acetone and its derivatives in isolated cell preparations, in various culture media, and in vivo in certain animals.. methylglyoxal : A 2-oxo aldehyde derived from propanal. | 2.44 | 2 | 0 | 2-oxo aldehyde; propanals | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae 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. | 3.01 | 4 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
melatonin [no description available] | 8.28 | 28 | 1 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
n-acetylserotonin N-acetylserotonin : An N-acylserotonin resulting from the formal condensation of the primary amino group of serotonin with the carboxy group of acetic acid. | 3.63 | 9 | 0 | acetamides; N-acylserotonin; phenols | antioxidant; human metabolite; mouse metabolite; tropomyosin-related kinase B receptor agonist |
naringenin [no description available] | 2.17 | 1 | 0 | 4'-hydroxyflavanones; trihydroxyflavanone | |
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. | 1.93 | 1 | 0 | pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3 | antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent |
nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.41 | 2 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
norepinephrine, (+,-)-isomer [no description available] | 2.41 | 1 | 0 | catecholamine | human xenobiotic metabolite |
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 |
phenol [no description available] | 2.7 | 3 | 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. | 2.88 | 4 | 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. | 7.47 | 51 | 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. | 2.4 | 2 | 0 | phosphoric acids | algal metabolite; fertilizer; human metabolite; NMR chemical shift reference compound; solvent |
phthalic acid phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 2.05 | 1 | 0 | benzenedicarboxylic acid | human xenobiotic metabolite |
picolinic acid picolinic acid: iron-chelating agent that inhibits DNA synthesis; may interfere with iron-dependent production of stable free organic radical which is essential for ribonucleotide reductase formation of deoxyribonucleotides; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7206. picolinic acid : A pyridinemonocarboxylic acid in which the carboxy group is located at position 2. It is an intermediate in the metabolism of tryptophan. | 2.21 | 1 | 0 | pyridinemonocarboxylic acid | human metabolite; MALDI matrix material |
putrescine [no description available] | 3.99 | 13 | 0 | alkane-alpha,omega-diamine | antioxidant; fundamental metabolite |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 6.96 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
pyridoxal [no description available] | 6.96 | 1 | 0 | hydroxymethylpyridine; methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6 | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
pyruvic acid Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis. | 6.97 | 1 | 0 | 2-oxo monocarboxylic acid | cofactor; fundamental metabolite |
quinolinic acid Quinolinic Acid: A metabolite of tryptophan with a possible role in neurodegenerative disorders. Elevated CSF levels of quinolinic acid are correlated with the severity of neuropsychological deficits in patients who have AIDS.. pyridinedicarboxylic acid : Any member of the class of pyridines carrying two carboxy groups.. quinolinic acid : A pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan. | 3.52 | 2 | 0 | pyridinedicarboxylic acid | Escherichia coli metabolite; human metabolite; mouse metabolite; NMDA receptor agonist |
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. | 2.21 | 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] | 3.37 | 6 | 0 | polyazaalkane; triamine | autophagy inducer; fundamental metabolite; geroprotector |
spermine [no description available] | 3.36 | 6 | 0 | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent |
succinic acid Succinic Acid: A water-soluble, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. (Hawley's Condensed Chemical Dictionary, 12th ed, p1099; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1851). succinic acid : An alpha,omega-dicarboxylic acid resulting from the formal oxidation of each of the terminal methyl groups of butane to the corresponding carboxy group. It is an intermediate metabolite in the citric acid cycle. | 2 | 1 | 0 | alpha,omega-dicarboxylic acid; C4-dicarboxylic acid | anti-ulcer drug; fundamental metabolite; micronutrient; nutraceutical; radiation protective agent |
tryptophan [no description available] | 2.21 | 1 | 0 | alpha-amino acid; amino acid zwitterion; aminoalkylindole; aromatic amino acid; polar amino acid | Daphnia magna metabolite |
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.46 | 2 | 0 | pyrimidine nucleobase; pyrimidone | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite |
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 7.08 | 1 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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 | 5.68 | 15 | 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. | 3.38 | 7 | 0 | amphetamines; dimethoxybenzene; organoiodine compound | |
sk&f 10047 SKF-10,047 : An organic heterotricyclic compound that is metazocine in which the methyl group at the N-position is replaced by an allyl group. | 2.15 | 1 | 0 | | |
normetanephrine Normetanephrine: A methylated metabolite of norepinephrine that is excreted in the urine and found in certain tissues. It is a marker for tumors. | 2.72 | 3 | 0 | catecholamine | |
vanilmandelic acid Vanilmandelic Acid: A 3-O-methyl ether of 3,4-dihydroxymandelic acid. It is an end-stage metabolite of CATECHOLAMINES; EPINEPHRINE; and NOREPINEPHRINE.. vanillylmandelic acid : An aromatic ether that is the 3-O-methyl ether of 3,4-dihydroxymandelic acid. | 4.07 | 3 | 1 | 2-hydroxy monocarboxylic acid; aromatic ether; phenols | human metabolite |
menthol Menthol: A monoterpene cyclohexanol produced from mint oils. | 2.05 | 1 | 0 | p-menthane monoterpenoid; secondary alcohol | volatile oil component |
5,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl 3,4,5-trihydroxybenzoate [no description available] | 2.17 | 1 | 0 | catechin | |
1-(1-naphthyl)piperazine 1-(1-naphthyl)piperazine: serotonin agonist; structure given in first source | 4.69 | 9 | 0 | N-arylpiperazine | |
1-(2-methoxyphenyl)piperazine 1-(2-methoxyphenyl)piperazine: RN given refers to parent cpd | 2.68 | 3 | 0 | piperazines | |
1-(3-chlorophenyl)piperazine 1-(3-chlorophenyl)piperazine: supposed metabolite of TRAZODONE; RN given refers to parent cpd; structure. 1-(3-chlorophenyl)piperazine : A N-arylpiperazine that is piperazine carrying a 3-chlorophenyl substituent at position 1. It is a metabolite of the antidepressant drug trazodone. | 4.59 | 8 | 0 | monochlorobenzenes; N-arylpiperazine | drug metabolite; environmental contaminant; serotonergic agonist; xenobiotic |
1-anilino-8-naphthalenesulfonate 1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.01 | 1 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine: A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in Parkinson disease.. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine substituted by a methyl group at position 1 and a phenyl group at position 4. | 2.88 | 4 | 0 | methylpyridines; phenylpyridine; tetrahydropyridine | neurotoxin |
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. | 2.05 | 1 | 0 | alkanethiol; primary alcohol | geroprotector |
2-methyl-5-ht 2-methyl-5-HT: M-receptor agonist | 3.5 | 8 | 0 | tryptamines | serotonergic agonist |
monomethylpropion monomethylpropion: metabolite of dimethylpropion; structure given in first source. 2-methylamino-1-phenylpropan-1-one : An aromatic ketone that is propiophenone in which the hydrogen alpha- to the keto group has been replaced by a methylamino group.. methcathinone : A racemate comprising equal amounts of (R)- and (S)-methcathinone. | 2.15 | 1 | 0 | aromatic ketone; secondary amino compound | |
3,4-methylenedioxyamphetamine 3,4-Methylenedioxyamphetamine: An amphetamine derivative that inhibits uptake of catecholamine neurotransmitters. It is a hallucinogen. It is less toxic than its methylated derivative but in sufficient doses may still destroy serotonergic neurons and has been used for that purpose experimentally. | 2.15 | 1 | 0 | benzodioxoles | |
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. | 2.15 | 1 | 0 | amphetamines; benzodioxoles | neurotoxin |
3-hydroxybenzylhydrazine 3-hydroxybenzylhydrazine: decarboxylase inhibitor; RN given refers to parent cpd; structure | 2.02 | 1 | 0 | phenols | |
3-methoxytyramine 3-methoxytyramine: RN given refers to parent cpd. 3-methoxytyramine : A monomethoxybenzene that is dopamine in which the hydroxy group at position 3 is replaced by a methoxy group. It is a metabolite of the neurotransmitter dopamine and considered a potential biomarker of pheochromocytomas and paragangliomas. | 2.41 | 1 | 0 | monomethoxybenzene; phenols; phenylethylamine; primary amino compound | biomarker; human blood serum metabolite; human urinary metabolite |
3-methoxytyrosine [no description available] | 1.99 | 1 | 0 | tyrosine derivative | |
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. | 4.62 | 6 | 1 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
phenytoin [no description available] | 2.69 | 3 | 0 | imidazolidine-2,4-dione | anticonvulsant; drug allergen; sodium channel blocker; teratogenic agent |
5-carboxamidotryptamine 5-carboxamidotryptamine: agonist of 5-HT receptor; structure given in first source | 5.28 | 17 | 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. | 5.61 | 18 | 1 | indole-3-acetic acids | drug metabolite; human metabolite; mouse metabolite |
methylbufotenin 5-methoxy-N,N-dimethyltryptamine : A tryptamine alkaloid that is N,N-dimethyltryptamine substituted by a methoxy group at position 5. | 4.58 | 8 | 0 | aromatic ether; tertiary amino compound; tryptamine alkaloid | hallucinogen; plant metabolite |
5-methoxytryptamine 5-Methoxytryptamine: Serotonin derivative proposed as potentiator for hypnotics and sedatives.. 5-methoxytryptamine : A member of the class of tryptamines that is the methyl ether derivative of serotonin. | 12.18 | 39 | 0 | aromatic ether; primary amino compound; tryptamines | 5-hydroxytryptamine 2A receptor agonist; 5-hydroxytryptamine 2B receptor agonist; 5-hydroxytryptamine 2C receptor agonist; antioxidant; cardioprotective agent; human metabolite; mouse metabolite; neuroprotective agent; radiation protective agent; serotonergic agonist |
6-chloromelatonin [no description available] | 2.4 | 2 | 0 | acetamides | |
6-hydroxymelatonin 6-hydroxymelatonin : A member of the class of tryptamines that is melatonin with a hydroxy group substituent at position 6. | 1.97 | 1 | 0 | acetamides; tryptamines | metabolite; mouse metabolite |
6-methoxytryptoline 6-methoxytryptoline: RN given refers to parent cpd; structure | 2.02 | 1 | 0 | | |
7,8-dihydroxyflavone 7,8-dihydroxyflavone : A dihydroxyflavone that is flavone substituted by hydroxy groups at positions 7 and 8. A dihydroxyflavone that is flavone substituted by hydroxy groups at positions 7 and 8. A naturally occurring flavonoid produced by several plants, including the weed Tridax procumbens (coalbuttons or tridax daisy) and the tree Godmania aesculifolia, In animal models, it has shown efficacy against several diseases of the nervous system, including Alzheimer's, Parkinson's, and Huntington's. | 2.17 | 1 | 0 | dihydroxyflavone | antidepressant; antineoplastic agent; antioxidant; plant metabolite; tropomyosin-related kinase B receptor agonist |
4',7-dihydroxyflavanone [no description available] | 2.17 | 1 | 0 | 4'-hydroxyflavanones; dihydroxyflavanone; polyphenol | Brassica napus metabolite; fungal xenobiotic metabolite |
oxyquinoline Oxyquinoline: An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics.. quinolin-8-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 8. Its fungicidal properties are used for the control of grey mould on vines and tomatoes. | 2.21 | 1 | 0 | monohydroxyquinoline | antibacterial agent; antifungal agrochemical; antiseptic drug; iron chelator |
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. | 2.71 | 3 | 0 | aromatic amide; ethanolamines; ether; monocarboxylic acid amide; propanolamine; secondary amino compound | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympathomimetic agent |
acetaminophen Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 2.43 | 2 | 0 | acetamides; phenols | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; cyclooxygenase 3 inhibitor; environmental contaminant; ferroptosis inducer; geroprotector; hepatotoxic agent; human blood serum metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
acetazolamide Acetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) | 2.05 | 1 | 0 | monocarboxylic acid amide; sulfonamide; thiadiazoles | anticonvulsant; diuretic; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
alpha-methylserotonin alpha-methylserotonin: potent agonist at M & D receptors of serotonin; RN given refers to parent cpd | 4.7 | 9 | 0 | tryptamines | serotonergic agonist |
alprenolol Alprenolol: One of the ADRENERGIC BETA-ANTAGONISTS used as an antihypertensive, anti-anginal, and anti-arrhythmic agent.. alprenolol : A secondary alcohol that is propan-2-ol substituted by a 2-allylphenoxy group at position 1 and an isopropylamino group at position 3. It is a beta-adrenergic antagonist used as a antihypertensive, anti-arrhythmia and a sympatholytic agent. | 2.91 | 4 | 0 | secondary alcohol; secondary amino compound | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; sympatholytic agent |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.05 | 1 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
pimagedine pimagedine: diamine oxidase & nitric oxide synthase inhibitor; an advanced glycosylation end product inhibitor; used in the treatment of diabetic complications; structure. aminoguanidine : A one-carbon compound whose unique structure renders it capable of acting as a derivative of hydrazine, guanidine or formamide. | 2.05 | 1 | 0 | guanidines; one-carbon compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 1.4.3.4 (monoamine oxidase) inhibitor |
theophylline [no description available] | 7.7 | 3 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
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. | 2.05 | 1 | 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. | 2.9 | 4 | 0 | carbotricyclic compound; tertiary amine | adrenergic uptake inhibitor; antidepressant; environmental contaminant; tropomyosin-related kinase B receptor agonist; xenobiotic |
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. | 1.98 | 1 | 0 | dibenzooxazepine | adrenergic uptake inhibitor; antidepressant; dopaminergic antagonist; geroprotector; serotonin uptake inhibitor |
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. | 2.03 | 1 | 0 | pyrazolone | antipyretic; cyclooxygenase 3 inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
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. | 1.96 | 1 | 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. | 1.96 | 1 | 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. | 2.04 | 1 | 0 | benzoic acids; phenyl acetates; salicylates | anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent |
astemizole Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects.. astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. | 1.96 | 1 | 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. | 1.99 | 1 | 0 | ethanolamines; monocarboxylic acid amide; propanolamine | anti-arrhythmia drug; antihypertensive agent; beta-adrenergic antagonist; environmental contaminant; sympatholytic agent; xenobiotic |
atrazine [no description available] | 2.03 | 1 | 0 | chloro-1,3,5-triazine; diamino-1,3,5-triazine | environmental contaminant; herbicide; 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. | 2.05 | 1 | 0 | aryl sulfide; C-nitro compound; imidazoles; thiopurine | antimetabolite; antineoplastic agent; carcinogenic agent; DNA synthesis inhibitor; hepatotoxic agent; immunosuppressive agent; prodrug |
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. | 2.38 | 2 | 0 | carbohydrazide; catechols; primary alcohol; primary amino compound | antiparkinson drug; dopaminergic agent; EC 4.1.1.28 (aromatic-L-amino-acid decarboxylase) inhibitor |
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. | 2.17 | 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. | 2.05 | 1 | 0 | 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. | 2.05 | 1 | 0 | benzothiadiazine; sulfonamide | antihypertensive agent; diuretic |
bmy 7378 [no description available] | 1.99 | 1 | 0 | piperazines | |
bromazepam Bromazepam: One of the BENZODIAZEPINES that is used in the treatment of ANXIETY DISORDERS. | 1.96 | 1 | 0 | organic molecular entity | |
bu 224 BU 224: a selective imidazoline 2-receptor blocker | 2 | 1 | 0 | quinolines | |
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. | 4.19 | 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 |
caffeine [no description available] | 2.03 | 1 | 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. | 2.45 | 2 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
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. | 1.96 | 1 | 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 |
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. | 1.96 | 1 | 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 |
carprofen carprofen: RN given refers to cpd without isomeric designation. carprofen : Propanoic acid in which one of the methylene hydrogens is substituted by a 6-chloro-9H-carbazol-2-yl group. A non-steroidal anti-inflammatory drug, it is no longer used in human medicine but is still used for treatment of arthritis in elderly dogs. | 2.05 | 1 | 0 | carbazoles; organochlorine compound | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug; photosensitizing agent |
carvedilol [no description available] | 2.42 | 2 | 0 | carbazoles; secondary alcohol; secondary amino compound | alpha-adrenergic antagonist; antihypertensive agent; beta-adrenergic antagonist; cardiovascular drug; vasodilator agent |
celiprolol Celiprolol: A cardioselective beta-1 adrenergic antagonist that has intrinsic sympathomimetic activity. It is used in the management of ANGINA PECTORIS and HYPERTENSION. | 1.99 | 1 | 0 | aromatic ketone | |
cgp 20712a [no description available] | 1.99 | 1 | 0 | imidazoles | |
cgs 12066 4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline : A pyrroloquinoxaline that is pyrrolo[1,2-a]quinoxaline bearing additional 4-methylpiperazin-1-yl and trifluoromethyl substituents at positions 4 and 7 respectively. A 5-hydroxytryptamine receptor 1B (5-HT1B) full agonist, 10-fold selective over 5-HT1A and 1000-fold selective over 5-HT2C receptors. Centrally active following systemic administration. | 2.9 | 4 | 0 | N-arylpiperazine; organofluorine compound; pyrroloquinoxaline | serotonergic agonist |
chlorpheniramine Chlorpheniramine: A histamine H1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. It has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than PROMETHAZINE.. chlorphenamine : A tertiary amino compound that is propylamine which is substituted at position 3 by a pyridin-2-yl group and a p-chlorophenyl group and in which the hydrogens attached to the nitrogen are replaced by methyl groups. A histamine H1 antagonist, it is used to relieve the symptoms of hay fever, rhinitis, urticaria, and asthma. | 2.4 | 2 | 0 | monochlorobenzenes; pyridines; tertiary amino compound | anti-allergic agent; antidepressant; antipruritic drug; H1-receptor antagonist; histamine antagonist; serotonin uptake inhibitor |
chlorpromazine Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup.. chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. | 3.35 | 7 | 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. | 2.05 | 1 | 0 | monochlorobenzenes; N-sulfonylurea | hypoglycemic agent; insulin secretagogue |
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. | 2.05 | 1 | 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 |
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. | 2.39 | 2 | 0 | 2-benzofurans; cyclic ether; nitrile; organofluorine compound; tertiary amino compound | |
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. | 1.96 | 1 | 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. | 4.01 | 4 | 0 | clonidine; imidazoline | |
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. | 4.57 | 8 | 0 | piperidines; tertiary amine | anti-allergic agent; antipruritic drug; gastrointestinal drug; H1-receptor antagonist; serotonergic antagonist |
desipramine Desipramine: A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively blocks reuptake of norepinephrine from the neural synapse, and also appears to impair serotonin transport. This compound also possesses minor anticholinergic activity, through its affinity to muscarinic receptors.. desipramine : A dibenzoazepine consisting of 10,11-dihydro-5H-dibenzo[b,f]azepine substituted on nitrogen with a 3-(methylamino)propyl group. | 3.24 | 6 | 0 | dibenzoazepine; secondary amino compound | adrenergic uptake inhibitor; alpha-adrenergic antagonist; antidepressant; cholinergic antagonist; drug allergen; EC 3.1.4.12 (sphingomyelin phosphodiesterase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; H1-receptor antagonist; serotonin uptake inhibitor |
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. | 4.33 | 6 | 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. | 2.68 | 3 | 0 | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; environmental contaminant; sedative; xenobiotic |
diazinon Diazinon: A cholinesterase inhibitor that is used as an organothiophosphorus insecticide.. diazinon : A member of the class of pyrimidines that is pyrimidine carrying an isopropyl group at position 2, a methyl group at position 6 and a (diethoxyphosphorothioyl)oxy group at position 4. | 2.03 | 1 | 0 | organic thiophosphate; pyrimidines | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; environmental contaminant; nematicide; 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. | 2.05 | 1 | 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 |
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. | 2.05 | 1 | 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. | 1.96 | 1 | 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 |
diethylcarbamazine Diethylcarbamazine: An anthelmintic used primarily as the citrate in the treatment of filariasis, particularly infestations with Wucheria bancrofti or Loa loa. | 3.06 | 1 | 0 | N-carbamoylpiperazine; N-methylpiperazine | |
diflunisal Diflunisal: A salicylate derivative and anti-inflammatory analgesic with actions and side effects similar to those of ASPIRIN.. diflunisal : An organofluorine compound comprising salicylic acid having a 2,4-difluorophenyl group at the 5-position. | 2.05 | 1 | 0 | monohydroxybenzoic acid; organofluorine compound | non-narcotic analgesic; non-steroidal anti-inflammatory drug |
diphenhydramine Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 2.05 | 1 | 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 |
benzophenone benzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups. | 2.05 | 1 | 0 | benzophenones | photosensitizing agent; plant metabolite |
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. | 2.05 | 1 | 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. | 1.98 | 1 | 0 | monocarboxylic acid amide; pyridines; tertiary amino compound | anti-arrhythmia drug |
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. | 1.96 | 1 | 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 |
racemetirosine alpha-Methyltyrosine: 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. (Martindale, The Extra Pharmacopoeia, 30th ed) | 1.98 | 1 | 0 | | |
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. | 1.96 | 1 | 0 | benzimidazoles; heteroarylpiperidine | antiemetic; dopaminergic antagonist |
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. | 1.96 | 1 | 0 | dibenzooxepine; tertiary amino compound | antidepressant |
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. | 4.16 | 2 | 0 | benzoselenazole | anti-inflammatory drug; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 2.5.1.7 (UDP-N-acetylglucosamine 1-carboxyvinyltransferase) inhibitor; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; EC 3.1.3.25 (inositol-phosphate phosphatase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 3.5.4.1 (cytosine deaminase) inhibitor; EC 5.1.3.2 (UDP-glucose 4-epimerase) inhibitor; enzyme mimic; ferroptosis inhibitor; genotoxin; hepatoprotective agent; neuroprotective agent; radical scavenger |
ellipticine ellipticine : A organic heterotetracyclic compound that is pyrido[4,3-b]carbazole carrying two methyl substituents at positions 5 and 11. | 1.96 | 1 | 0 | indole alkaloid; organic heterotetracyclic compound; organonitrogen heterocyclic compound; polycyclic heteroarene | antineoplastic agent; plant metabolite |
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. | 2.13 | 1 | 0 | | |
ethoxyresorufin ethoxyresorufin: structure | 1.98 | 1 | 0 | phenoxazine | |
etodolac Etodolac: A non-steroidal anti-inflammatory agent and cyclooxygenase-2 (COX-2) inhibitor with potent analgesic and anti-arthritic properties. It has been shown to be effective in the treatment of OSTEOARTHRITIS; RHEUMATOID ARTHRITIS; ANKYLOSING SPONDYLITIS; and in the alleviation of postoperative pain (PAIN, POSTOPERATIVE).. etodolac : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl moiety. A preferential inhibitor of cyclo-oxygenase 2 and non-steroidal anti-inflammatory, it is used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain. Administered as the racemate, only the (S)-enantiomer is active. | 2.06 | 1 | 0 | monocarboxylic acid; organic heterotricyclic compound | antipyretic; cyclooxygenase 2 inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
carbonyl cyanide p-trifluoromethoxyphenylhydrazone Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone: A proton ionophore that is commonly used as an uncoupling agent in biochemical studies.. carbonyl cyanide p-trifluoromethoxyphenylhydrazone : A hydrazone that is hydrazonomalononitrile in which one of the hydrazine hydrogens is substituted by a p-trifluoromethoxyphenyl group. | 1.98 | 1 | 0 | aromatic ether; hydrazone; nitrile; organofluorine compound | ATP synthase inhibitor; geroprotector; ionophore |
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. | 2.15 | 1 | 0 | (trifluoromethyl)benzenes; secondary amino compound | appetite depressant; serotonergic agonist; serotonin uptake inhibitor |
fenofibrate Pharmavit: a polyvitamin product, comprising vitamins A, D2, B1, B2, B6, C, E, nicotinamide, & calcium pantothene; may be a promising agent for application to human populations exposed to carcinogenic and genetic hazards of ionizing radiation; RN from CHEMLINE | 2.05 | 1 | 0 | aromatic ether; chlorobenzophenone; isopropyl ester; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic |
fenoprofen Fenoprofen: A propionic acid derivative that is used as a non-steroidal anti-inflammatory agent.. fenoprofen : A monocarboxylic acid that is propanoic acid in which one of the hydrogens at position 2 is substituted by a 3-phenoxyphenyl group. A non-steroidal anti-inflammatory drug, the dihydrate form of the calcium salt is used for the management of mild to moderate pain and for the relief of pain and inflammation associated with disorders such as arthritis. It is pharmacologically similar to aspirin, but causes less gastrointestinal bleeding. | 2.05 | 1 | 0 | monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
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. | 2.05 | 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. | 2.89 | 4 | 0 | 1,4-benzodiazepinone; C-nitro compound; monofluorobenzenes | anxiolytic drug; GABAA receptor agonist; sedative |
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. | 2.05 | 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. | 3.07 | 5 | 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. | 2.4 | 2 | 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. | 1.96 | 1 | 0 | diarylmethane | |
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. | 2.45 | 2 | 0 | chlorobenzoic acid; furans; sulfonamide | environmental contaminant; loop diuretic; xenobiotic |
glipizide Glipizide: An oral hypoglycemic agent which is rapidly absorbed and completely metabolized.. glipizide : An N-sulfonylurea that is glyburide in which the (5-chloro-2-methoxybenzoyl group is replaced by a (5-methylpyrazin-2-yl)carbonyl group. An oral hypoglycemic agent, it is used in the treatment of type 2 diabetes mellitus. | 2.05 | 1 | 0 | aromatic amide; monocarboxylic acid amide; N-sulfonylurea; pyrazines | EC 2.7.1.33 (pantothenate kinase) inhibitor; hypoglycemic agent; insulin secretagogue |
glutaral Glutaral: One of the protein CROSS-LINKING REAGENTS that is used as a disinfectant for sterilization of heat-sensitive equipment and as a laboratory reagent, especially as a fixative.. glutaraldehyde : A dialdehyde comprised of pentane with aldehyde functions at C-1 and C-5. | 7.37 | 2 | 0 | dialdehyde | cross-linking reagent; disinfectant; fixative |
guanethidine Guanethidine: An antihypertensive agent that acts by inhibiting selectively transmission in post-ganglionic adrenergic nerves. It is believed to act mainly by preventing the release of norepinephrine at nerve endings and causes depletion of norepinephrine in peripheral sympathetic nerve terminals as well as in tissues.. guanethidine : A member of the class of guanidines in which one of the hydrogens of the amino group has been replaced by a 2-azocan-1-ylethyl group.. guanethidine sulfate : A organic sulfate salt composed of two molecules of guanethidine and one of sulfuric acid. | 2.37 | 2 | 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 | |
haloperidol Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 2.88 | 4 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
harmaline Harmaline: A beta-carboline alkaloid isolated from seeds of PEGANUM.. harmaline : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7 and has been reduced across the 3,4 bond. | 3.08 | 5 | 0 | harmala alkaloid | oneirogen |
harmalol harmalol: inhibitor of rat liver microsomal UDP-glucuronyltransferase; RN given refers to parent cpd; structure. harmalol : A harmala alkaloid in which the harman skeleton is hydroxy-substituted at C-7 and has been reduced across the 3,4 bond. | 1.97 | 1 | 0 | harmala alkaloid | algal metabolite; EC 1.4.3.4 (monoamine oxidase) inhibitor |
hydrochlorothiazide Hydrochlorothiazide: A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It is used in the treatment of several disorders including edema, hypertension, diabetes insipidus, and hypoparathyroidism.. hydrochlorothiazide : A benzothiadiazine that is 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted by a chloro group at position 6 and a sulfonamide at 7. It is diuretic used for the treatment of hypertension and congestive heart failure. | 2.03 | 1 | 0 | benzothiadiazine; organochlorine compound; sulfonamide | antihypertensive agent; diuretic; environmental contaminant; xenobiotic |
hydroflumethiazide Hydroflumethiazide: A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p822). hydroflumethiazide : A benzothiadiazine consisting of a 3,4-dihydro-HH-1,2,4-benzothiadiazine bicyclic system dioxygenated on sulfur and carrying trifluoromethyl and aminosulfonyl groups at positions 6 and 7 respectively. A diuretic with actions and uses similar to those of hydrochlorothiazide. | 2.05 | 1 | 0 | benzothiadiazine; thiazide | antihypertensive agent; diuretic |
p-hydroxyamphetamine p-Hydroxyamphetamine: Amphetamine metabolite with sympathomimetic effects. It is sometimes called alpha-methyltyramine, which may also refer to the meta isomer, gepefrine. | 2.15 | 1 | 0 | amphetamines | |
hydroxyurea [no description available] | 2.02 | 1 | 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 |
ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2.39 | 2 | 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. | 2.35 | 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. | 2.05 | 1 | 0 | benzenes; monocarboxylic acid amide; tertiary amino compound | anti-arrhythmia drug; drug allergen; environmental contaminant; local anaesthetic; xenobiotic |
imipramine Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 10.06 | 10 | 1 | dibenzoazepine | adrenergic uptake inhibitor; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
indomethacin Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.73 | 3 | 0 | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic metabolite; xenobiotic |
indolepropionic acid indolepropionic acid: structure in third source. 3-(1H-indol-3-yl)propanoic acid : An indol-3-yl carboxylic acid that is propionic acid substituted by a 1H-indol-3-yl group at position 3. | 8.23 | 6 | 0 | indol-3-yl carboxylic acid | auxin; human metabolite; plant metabolite |
iproniazid [no description available] | 3.55 | 9 | 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. | 1.97 | 1 | 0 | 3-isobutyl-1-methylxanthine | |
isocarboxazid Isocarboxazid: An MAO inhibitor that is effective in the treatment of major depression, dysthymic disorder, and atypical depression. It also is useful in the treatment of panic disorder and the phobic disorders. (From AMA, Drug Evaluations Annual, 1994, p311) | 1.93 | 1 | 0 | benzenes | |
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). | 1.93 | 1 | 0 | carbohydrazide | antitubercular agent; drug allergen |
isoproterenol Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 2.66 | 3 | 0 | catechols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; sympathomimetic agent |
juglone juglone: structure. juglone : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogen at position 5 has been replaced by a hydroxy group. A plant-derived 1,4-naphthoquinone with confirmed antibacterial and antitumor activities. | 2.05 | 1 | 0 | hydroxy-1,4-naphthoquinone | geroprotector; herbicide; reactive oxygen species generator |
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. | 2.04 | 1 | 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. | 5.84 | 18 | 0 | aromatic ketone; organofluorine compound; piperidines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; cardiovascular drug; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; serotonergic antagonist |
ketoprofen Ketoprofen: An IBUPROFEN-type anti-inflammatory analgesic and antipyretic. It is used in the treatment of rheumatoid arthritis and osteoarthritis.. ketoprofen : An oxo monocarboxylic acid that consists of propionic acid substituted by a 3-benzoylphenyl group at position 2. | 2.45 | 2 | 0 | benzophenones; oxo monocarboxylic acid | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
labetalol Labetalol: A salicylamide derivative that is a non-cardioselective blocker of BETA-ADRENERGIC RECEPTORS and ALPHA-1 ADRENERGIC RECEPTORS.. labetalol : A diastereoisomeric mixture of approximately equal amounts of all four possible stereoisomers ((R,S)-labetolol, (S,R)-labetolol, (S,S)-labetalol and (R,R)-labetalol). It is an adrenergic antagonist used to treat high blood pressure.. 2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide : A member of the class of benzamides that is benzamide substituted by a hydroxy group at position 2 and by a 1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl group at position 5. | 2.03 | 1 | 0 | benzamides; benzenes; phenols; primary carboxamide; salicylamides; secondary alcohol; secondary amino compound | |
beta-lapachone beta-lapachone: antineoplastic inhibitor of reverse transcriptase, DNA topoisomerase, and DNA polymerase. beta-lapachone : A benzochromenone that is 3,4-dihydro-2H-benzo[h]chromene-5,6-dione substituted by geminal methyl groups at position 2. Isolated from Tabebuia avellanedae, it exhibits antineoplastic and anti-inflammatory activities. | 4.16 | 2 | 0 | benzochromenone; orthoquinones | anti-inflammatory agent; antineoplastic agent; plant metabolite |
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. | 2.05 | 1 | 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. | 2.05 | 1 | 0 | monocarboxylic acid amide; monochlorobenzenes; piperidines; tertiary alcohol | anticoronaviral agent; antidiarrhoeal drug; mu-opioid receptor agonist |
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. | 1.96 | 1 | 0 | benzodiazepine | |
loxapine Loxapine: An antipsychotic agent used in SCHIZOPHRENIA. | 2.38 | 2 | 0 | dibenzooxazepine | antipsychotic agent; dopaminergic antagonist |
maprotiline Maprotiline: A bridged-ring tetracyclic antidepressant that is both mechanistically and functionally similar to the tricyclic antidepressants, including side effects associated with its use. | 2.05 | 1 | 0 | anthracenes | |
meclizine Meclizine: A histamine H1 antagonist used in the treatment of motion sickness, vertigo, and nausea during pregnancy and radiation sickness. | 2.05 | 1 | 0 | diarylmethane | |
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. | 2.05 | 1 | 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. | 2.05 | 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 |
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. | 3.5 | 2 | 0 | methoxybenzenes; phenethylamine alkaloid; primary amino compound | hallucinogen |
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 | |
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 | |
methazolamide Methazolamide: A carbonic anhydrase inhibitor that is used as a diuretic and in the treatment of glaucoma. | 1.97 | 1 | 0 | sulfonamide; thiadiazoles | |
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). | 4.71 | 9 | 0 | aryl sulfide; dibenzothiepine; N-alkylpiperazine; tertiary amino compound | antipsychotic agent; dopaminergic antagonist; geroprotector; serotonergic antagonist |
methoxsalen Methoxsalen: A naturally occurring furocoumarin compound found in several species of plants, including Psoralea corylifolia. It is a photoactive substance that forms DNA ADDUCTS in the presence of ultraviolet A irradiation.. methoxsalen : A member of the class of psoralens that is 7H-furo[3,2-g]chromen-7-one in which the 9 position is substituted by a methoxy group. It is a constituent of the fruits of Ammi majus. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered topically or orally in conjunction with UV-A for phototherapy treatment of vitiligo and severe psoriasis. | 7.44 | 2 | 0 | aromatic ether; psoralens | antineoplastic agent; cross-linking reagent; dermatologic drug; photosensitizing agent; plant metabolite |
metoprolol Metoprolol: A selective adrenergic beta-1 blocking agent that is commonly used to treat ANGINA PECTORIS; HYPERTENSION; and CARDIAC ARRHYTHMIAS.. metoprolol : A propanolamine that is 1-(propan-2-ylamino)propan-2-ol substituted by a 4-(2-methoxyethyl)phenoxy group at position 1. | 2.41 | 2 | 0 | aromatic ether; propanolamine; secondary alcohol; secondary amino compound | antihypertensive agent; beta-adrenergic antagonist; environmental contaminant; geroprotector; xenobiotic |
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. | 4.58 | 8 | 0 | dibenzoazepine | adrenergic uptake inhibitor; alpha-adrenergic antagonist; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; geroprotector; H1-receptor antagonist; histamine agonist; sedative; serotonergic antagonist |
miconazole Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion.. 1-[2-(2,4-dichlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 2,4-dichlorobenzyl group.. miconazole : A racemate composed of equimolar amounts of (R)- and (S)-miconazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. | 2.05 | 1 | 0 | dichlorobenzene; ether; imidazoles | |
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. | 2.41 | 2 | 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. | 4.87 | 11 | 0 | (trifluoromethyl)benzenes; N-arylpiperazine | environmental contaminant; psychotropic drug; serotonergic agonist; xenobiotic |
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.97 | 1 | 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 |
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. | 8.67 | 10 | 0 | aromatic ether; dichlorobenzene; terminal acetylenic compound; tertiary amino compound | antidepressant; EC 1.4.3.4 (monoamine oxidase) inhibitor |
fenamic acid fenamic acid: has chloride and potassium channel-blocking activity; RN given refers to parent cpd. fenamic acid : An aminobenzoic acid that is the N-phenyl derivative of anthranilic acid. It acts as a parent skeleton for the synthesis of several non-steroidal anti-inflammatory drugs. | 2.03 | 1 | 0 | aminobenzoic acid; secondary amino compound | membrane transport modulator |
nalidixic acid [no description available] | 2.05 | 1 | 0 | 1,8-naphthyridine derivative; monocarboxylic acid; quinolone antibiotic | antibacterial drug; antimicrobial agent; DNA synthesis inhibitor |
nan 190 1-(2-methoxyphenyl)-4-(4-(2-phthalimido)butyl)piperazine: RN from Toxlit. NAN 190 : An N-alkylpiperazine that consists of (2-methoxyphenyl)piperazine in which the amine hydrogen is substituted by a 4-(2-phthalimido)butyl group. | 2.39 | 2 | 0 | N-alkylpiperazine; N-arylpiperazine; phthalimides | serotonergic antagonist |
naphazoline Naphazoline: An adrenergic vasoconstrictor agent used as a decongestant. | 1.96 | 1 | 0 | naphthalenes | |
nialamide Nialamide: An MAO inhibitor that is used as an antidepressive agent. | 7.34 | 2 | 0 | organonitrogen compound; organooxygen compound | |
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. | 1.96 | 1 | 0 | aromatic ether; secondary amino compound | adrenergic uptake inhibitor; antidepressant |
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. | 1.96 | 1 | 0 | isoquinolines | dopamine uptake inhibitor |
masoprocol nordihydroguaretic acid: antioxidant compound found in the creosote bush (Larrea tridentata) | 2.05 | 1 | 0 | catechols; lignan; tetrol | antioxidant; ferroptosis inhibitor; geroprotector; plant metabolite |
norfloxacin Norfloxacin: A synthetic fluoroquinolone (FLUOROQUINOLONES) with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin inhibits bacterial DNA GYRASE.. norfloxacin : A quinolinemonocarboxylic acid with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin is bactericidal and its mode of action depends on blocking of bacterial DNA replication by binding itself to an enzyme called DNA gyrase. | 2.45 | 2 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | antibacterial drug; DNA synthesis inhibitor; environmental contaminant; xenobiotic |
nortriptyline Nortriptyline: A metabolite of AMITRIPTYLINE that is also used as an antidepressive agent. Nortriptyline is used in major depression, dysthymia, and atypical depressions.. nortriptyline : An organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(methylamino)propylidene group at position 5. It is an active metabolite of amitriptyline. | 2.43 | 2 | 0 | organic tricyclic compound; secondary amine | adrenergic uptake inhibitor; analgesic; antidepressant; antineoplastic agent; apoptosis inducer; drug metabolite |
octopamine Octopamine: An alpha-adrenergic sympathomimetic amine, biosynthesized from tyramine in the CNS and platelets and also in invertebrate nervous systems. It is used to treat hypotension and as a cardiotonic. The natural D(-) form is more potent than the L(+) form in producing cardiovascular adrenergic responses. It is also a neurotransmitter in some invertebrates.. octopamine : A member of the class of phenylethanolamines that is phenol which is substituted at the para- position by a 2-amino-1-hydroxyethyl group. A biogenic phenylethanolamine which has been found to act as a neurotransmitter, neurohormone or neuromodulator in invertebrates. | 5.42 | 11 | 0 | phenylethanolamines; tyramines | neurotransmitter |
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. | 2.55 | 2 | 0 | 3-oxo monocarboxylic acid; N-arylpiperazine; N-methylpiperazine; organofluorine compound; oxazinoquinoline | |
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). | 2.66 | 3 | 0 | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
oxotremorine Oxotremorine: A non-hydrolyzed muscarinic agonist used as a research tool. | 1.96 | 1 | 0 | N-alkylpyrrolidine | |
oxprenolol Oxprenolol: A beta-adrenergic antagonist used in the treatment of hypertension, angina pectoris, arrhythmias, and anxiety. | 2.41 | 2 | 0 | aromatic ether | |
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. | 1.96 | 1 | 0 | carboxamidine; imidazolines; phenols | alpha-adrenergic agonist; nasal decongestant; sympathomimetic agent; vasoconstrictor agent |
quinone benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.. 1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.. quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included). | 3.01 | 2 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse metabolite |
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. | 3.36 | 7 | 0 | phenylalanine derivative | |
papaverine Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.. papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. | 2.05 | 1 | 0 | benzylisoquinoline alkaloid; dimethoxybenzene; isoquinolines | antispasmodic drug; vasodilator agent |
pargyline Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 4.21 | 18 | 0 | aromatic amine | |
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. | 2.05 | 1 | 0 | N-(2-hydroxyethyl)piperazine; N-alkylpiperazine; organochlorine compound; phenothiazines | antiemetic; dopaminergic antagonist; phenothiazine antipsychotic drug |
phenacetin Saridon: contains phenacetin, caffeine, propyphenazone & pyrithyldione | 1.99 | 1 | 0 | acetamides; aromatic ether | cyclooxygenase 3 inhibitor; non-narcotic analgesic; peripheral nervous system drug |
phenazopyridine Phenazopyridine: A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.. phenazopyridine : A diaminopyridine that is 2,6-diaminopyridine substituted at position 3 by a phenylazo group. A local anesthetic that has topical analgesic effect on mucosa lining of the urinary tract. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. | 2.05 | 1 | 0 | diaminopyridine; monoazo compound | anticoronaviral agent; carcinogenic agent; local anaesthetic; non-narcotic analgesic |
phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 2 | 1 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
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. | 2.05 | 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. | 2.63 | 3 | 0 | aromatic amine | |
phenylbutazone Phenylbutazone: A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS.. phenylbutazone : A member of the class of pyrazolidines that is 1,2-diphenylpyrazolidine-3,5-dione carrying a butyl group at the 4-position. | 2.4 | 2 | 0 | pyrazolidines | antirheumatic drug; EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor; metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; peripheral nervous system drug |
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. | 4.2 | 5 | 0 | indoles; secondary amine | antiglaucoma drug; antihypertensive agent; beta-adrenergic antagonist; serotonergic antagonist; vasodilator agent |
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. | 1.96 | 1 | 0 | aromatic ketone; bipiperidines; monocarboxylic acid amide; organofluorine compound; tertiary amino compound | dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
piperazine [no description available] | 1.96 | 1 | 0 | azacycloalkane; piperazines; saturated organic heteromonocyclic parent | anthelminthic drug |
pirenperone [no description available] | 3.47 | 2 | 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. | 2.03 | 1 | 0 | pyridobenzodiazepine | anti-ulcer drug; antispasmodic drug; muscarinic antagonist |
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. | 2.38 | 2 | 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. | 2.03 | 1 | 0 | acetamides; ethanolamines; propanolamine; secondary alcohol; secondary amino compound | anti-arrhythmia drug; beta-adrenergic antagonist |
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. | 1.96 | 1 | 0 | aromatic ether; furans; monocarboxylic acid amide; piperazines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
probenecid Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 2.05 | 1 | 0 | benzoic acids; sulfonamide | uricosuric 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. | 2.44 | 2 | 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. | 2.05 | 1 | 0 | benzoate ester; substituted aniline; tertiary amino compound | central nervous system depressant; drug allergen; local anaesthetic; peripheral nervous system drug |
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. | 1.94 | 1 | 0 | phenothiazines; tertiary amine | anti-allergic agent; anticoronaviral agent; antiemetic; antipruritic drug; H1-receptor antagonist; local anaesthetic; sedative |
pronethalol pronethalol: was heading 1964-94 (Prov 1964-66); NAPHTHYLISOPROTERENOL was see PRONETHALOL 1977-94; use ETHANOLAMINES to search PRONETHALOL 1966-94 | 1.94 | 1 | 0 | naphthalenes | |
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. | 2.92 | 4 | 0 | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
protriptyline Protriptyline: Tricyclic antidepressant similar in action and side effects to IMIPRAMINE. It may produce excitation. | 1.96 | 1 | 0 | carbotricyclic compound | antidepressant |
psilocin psilocin: psilocybine minus the phosphate ester; RN given refers to parent cpd; structure. psilocin : A tryptamine alkaloid that is N,N-dimethyltryptamine carrying an additional hydroxy substituent at position 4. A hallucinogenic alkaloid isolated in trace amounts from Psilocybe mushrooms (also known as Teonanacatl or "magic mushrooms"). | 7.38 | 2 | 0 | hydroxyindoles; phenols; tertiary amino compound; tryptamine alkaloid | drug metabolite; fungal metabolite; hallucinogen; human xenobiotic metabolite; serotonergic agonist |
pyrilamine Pyrilamine: A histamine H1 antagonist. It has mild hypnotic properties and some local anesthetic action and is used for allergies (including skin eruptions) both parenterally and locally. It is a common ingredient of cold remedies.. mepyramine : An ethylenediamine derivative that is ethylenediamine in which one of the amino nitrogens is substituted by two methyl groups and the remaining amino nitrogen is substituted by a 4-methoxybenzyl and a pyridin-2-yl group. | 1.96 | 1 | 0 | aromatic ether; ethylenediamine derivative | H1-receptor antagonist |
pyrimethamine Maloprim: contains above 2 cpds | 2.4 | 2 | 0 | aminopyrimidine; monochlorobenzenes | antimalarial; antiprotozoal drug; EC 1.5.1.3 (dihydrofolate reductase) inhibitor |
quipazine Quipazine: A pharmacologic congener of serotonin that contracts smooth muscle and has actions similar to those of tricyclic antidepressants. It has been proposed as an oxytocic. | 10.09 | 8 | 0 | piperazines; pyridines | |
ranitidine [no description available] | 2.45 | 2 | 0 | aralkylamine | |
risperidone Risperidone: A selective blocker of DOPAMINE D2 RECEPTORS and SEROTONIN 5-HT2 RECEPTORS that acts as an atypical antipsychotic agent. It has been shown to improve both positive and negative symptoms in the treatment of SCHIZOPHRENIA.. risperidone : A member of the class of pyridopyrimidines that is 2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one carrying an additional 2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl group at position 2. | 2.38 | 2 | 0 | 1,2-benzoxazoles; heteroarylpiperidine; organofluorine compound; pyridopyrimidine | alpha-adrenergic antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; H1-receptor antagonist; psychotropic drug; second generation antipsychotic; serotonergic antagonist |
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. | 3.7 | 10 | 0 | organofluorine compound; piperidines; thiazolopyrimidine | antidepressant; antipsychotic agent; anxiolytic drug; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; serotonergic antagonist |
saccharin Saccharin: Flavoring agent and non-nutritive sweetener.. saccharin : A 1,2-benzisothiazole having a keto-group at the 3-position and two oxo substituents at the 1-position. It is used as an artificial sweetening agent. | 1.96 | 1 | 0 | 1,2-benzisothiazole; N-sulfonylcarboxamide | environmental contaminant; sweetening agent; xenobiotic |
sb 206553 SB 206553: a high-affinity 5-HT(2C/2B) antagonist; structure given in first source | 2.02 | 1 | 0 | pyrroloindole | |
iodoacetic acid Iodoacetic Acid: A derivative of ACETIC ACID that contains one IODINE atom attached to its methyl group.. iodoacetic acid : A haloacetic acid that is acetic acid in which one of the hydrogens of the methyl group is replaced by an iodine atom. | 1.97 | 1 | 0 | haloacetic acid; organoiodine compound | alkylating agent |
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. | 5.54 | 13 | 0 | aromatic ketone; azaspiro compound; organofluorine compound; piperidines; tertiary amino compound | alpha-adrenergic antagonist; antipsychotic agent; dopaminergic antagonist; psychotropic drug; serotonergic antagonist |
spiroxatrine spiroxatrine: structure | 1.98 | 1 | 0 | imidazolidines | |
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. | 2.05 | 1 | 0 | N-sulfonylcarboxamide; substituted aniline | antibacterial drug; antiinfective agent; antimicrobial agent; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
sulfamerazine [no description available] | 2.05 | 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. | 2.05 | 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. | 2.05 | 1 | 0 | sulfonamide antibiotic; sulfonamide; thiadiazoles | antiinfective agent; antimicrobial agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
sulfamonomethoxine Sulfamonomethoxine: Long acting sulfonamide antibacterial agent. | 2.21 | 1 | 0 | benzenes; sulfonamide | |
sulfapyridine Sulfapyridine: Antibacterial, potentially toxic, used to treat certain skin diseases.. sulfapyridine : A sulfonamide consisting of pyridine with a 4-aminobenzenesulfonamido group at the 2-position. | 2.21 | 1 | 0 | pyridines; substituted aniline; sulfonamide antibiotic; sulfonamide | antiinfective agent; dermatologic drug; drug allergen; environmental contaminant; xenobiotic |
sulfasalazine Sulfasalazine: A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907). sulfasalazine : An azobenzene consisting of diphenyldiazene having a carboxy substituent at the 4-position, a hydroxy substituent at the 3-position and a 2-pyridylaminosulphonyl substituent at the 4'-position. | 2.05 | 1 | 0 | | |
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. | 4.8 | 10 | 0 | sulfonamide; tryptamines | serotonergic agonist; vasoconstrictor agent |
tetracaine Tetracaine: A potent local anesthetic of the ester type used for surface and spinal anesthesia.. tetracaine : A benzoate ester in which 4-N-butylbenzoic acid and 2-(dimethylamino)ethanol have combined to form the ester bond; a local ester anaesthetic (ester caine) used for surface and spinal anaesthesia. | 2.42 | 2 | 0 | benzoate ester; tertiary amino compound | local anaesthetic |
thiabendazole Tresaderm: dermatologic soln containing dexamethasone, thiabendazole & neomycin sulfate | 2.05 | 1 | 0 | 1,3-thiazoles; benzimidazole fungicide; benzimidazoles | antifungal agrochemical; antinematodal drug |
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. | 1.96 | 1 | 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 |
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. | 7.41 | 2 | 0 | N-sulfonylurea | human metabolite; hypoglycemic agent; insulin secretagogue; potassium channel blocker |
tolmetin Tolmetin: A non-steroidal anti-inflammatory agent (ANTI-INFLAMMATORY AGENTS, NON-STEROIDAL) similar in mode of action to INDOMETHACIN.. tolmetin : A monocarboxylic acid that is (1-methylpyrrol-2-yl)acetic acid substituted at position 5 on the pyrrole ring by a 4-methylbenzoyl group. Used in the form of its sodium salt dihydrate as a nonselective nonsteroidal anti-inflammatory drug. | 2.05 | 1 | 0 | aromatic ketone; monocarboxylic acid; pyrroles | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-steroidal anti-inflammatory drug |
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. | 2.71 | 3 | 0 | monochlorobenzenes; N-alkylpiperazine; N-arylpiperazine; triazolopyridine | adrenergic antagonist; antidepressant; anxiolytic drug; H1-receptor antagonist; sedative; serotonin uptake inhibitor |
trichlormethiazide Trichlormethiazide: A thiazide diuretic with properties similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p830). trichlormethiazide : A benzothiadiazine, hydrogenated at positions 2, 3 and 4 and substituted with an aminosulfonyl group at C-7, a chloro substituent at C-6 and a dichloromethyl group at C-3 and with S-1 as an S,S-dioxide. A sulfonamide antibiotic, it is used as a diuretic to treat oedema (including that associated with heart failure) and hypertension. | 2.05 | 1 | 0 | benzothiadiazine; sulfonamide antibiotic | antihypertensive agent; diuretic |
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. | 2.39 | 2 | 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. | 7.41 | 2 | 0 | dibenzoazepine; tertiary amino compound | antidepressant; environmental contaminant; xenobiotic |
tyramine [no description available] | 8.19 | 78 | 0 | monoamine molecular messenger; primary amino compound; tyramines | EC 3.1.1.8 (cholinesterase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter |
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. | 1.96 | 1 | 0 | aromatic ether; benzodioxine; secondary amino compound | alpha-adrenergic antagonist |
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. | 1.96 | 1 | 0 | 1,3-thiazine; methylbenzene; secondary amino compound | alpha-adrenergic agonist; analgesic; emetic; muscle relaxant; sedative |
corticosterone [no description available] | 2.69 | 3 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
prednisolone Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 2.03 | 1 | 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 |
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. | 4.99 | 13 | 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. | 8.45 | 8 | 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 |
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. | 3.05 | 5 | 0 | imidazoles; phenols; substituted aniline; tertiary amino compound | alpha-adrenergic antagonist; vasodilator agent |
sorbitol D-glucitol : The D-enantiomer of glucitol (also known as D-sorbitol). | 2.41 | 2 | 0 | glucitol | cathartic; Escherichia coli metabolite; food humectant; human metabolite; laxative; metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite; sweetening agent |
alloxan Alloxan: Acidic compound formed by oxidation of URIC ACID. It is isolated as an efflorescent crystalline hydrate.. alloxan : A member of the class of pyrimidones, the structure of which is that of perhydropyrimidine substituted at C-2, -4, -5 and -6 by oxo groups. | 2.01 | 1 | 0 | pyrimidone | hyperglycemic agent; metabolite |
benzimidazole 1H-benzimidazole : The 1H-tautomer of benzimidazole. | 2.07 | 1 | 0 | benzimidazole; polycyclic heteroarene | |
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 | 1.94 | 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. | 2.36 | 2 | 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. | 1.97 | 1 | 0 | | |
dextroamphetamine Dextroamphetamine: The d-form of AMPHETAMINE. It is a central nervous system stimulant and a sympathomimetic. It has also been used in the treatment of narcolepsy and of attention deficit disorders and hyperactivity in children. Dextroamphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulating release of monamines, and inhibiting monoamine oxidase. It is also a drug of abuse and a psychotomimetic.. (S)-amphetamine : A 1-phenylpropan-2-amine that has S configuration. | 2.41 | 2 | 0 | 1-phenylpropan-2-amine | adrenergic agent; adrenergic uptake inhibitor; dopamine uptake inhibitor; dopaminergic agent; neurotoxin; sympathomimetic agent |
carbachol Carbachol: A slowly hydrolyzed CHOLINERGIC AGONIST that acts at both MUSCARINIC RECEPTORS and NICOTINIC RECEPTORS. | 2.88 | 4 | 0 | ammonium salt; carbamate ester | cardiotonic drug; miotic; muscarinic agonist; nicotinic acetylcholine receptor agonist; non-narcotic analgesic |
aldosterone [no description available] | 1.96 | 1 | 0 | 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 |
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. | 2.4 | 2 | 0 | pilocarpine | antiglaucoma drug |
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. | 2.38 | 2 | 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. | 1.96 | 1 | 0 | 2-halophenol; amino acid zwitterion; iodophenol; iodothyronine | human metabolite; mouse metabolite; thyroid hormone |
pheniprazine pheniprazine: was heading 1963-94; use HYDRAZINES to search PHENIPRAZINE 1966-94 | 2.63 | 3 | 0 | amphetamines | |
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 1.93 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
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. | 6.99 | 1 | 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 |
chloramphenicol Amphenicol: Chloramphenicol and its derivatives. | 2.03 | 1 | 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. | 3.49 | 2 | 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. | 1.94 | 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. | 2.4 | 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 |
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. | 1.96 | 1 | 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. | 2.21 | 1 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
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. | 1.96 | 1 | 0 | bisbenzylisoquinoline alkaloid | drug allergen; muscle relaxant; nicotinic antagonist |
apomorphine Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. | 8.22 | 6 | 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. | 2.03 | 1 | 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. | 2.4 | 2 | 0 | benzoquinolizine; cyclic ketone; tertiary amino compound | |
cephalothin Cephalothin: A cephalosporin antibiotic.. cefalotin : A semisynthetic, first-generation cephalosporin antibiotic with acetoxymethyl and (2-thienylacetyl)nitrilo moieties at positions 3 and 7, respectively, of the core structure. Administered parenterally during surgery and to treat a wide spectrum of blood infections. | 2.05 | 1 | 0 | azabicycloalkene; beta-lactam antibiotic allergen; carboxylic acid; cephalosporin; semisynthetic derivative; thiophenes | antibacterial drug; antimicrobial agent |
piperoxan Piperoxan: A benzodioxane alpha-adrenergic blocking agent with considerable stimulatory action. It has been used to diagnose PHEOCHROMOCYTOMA and as an antihypertensive agent. | 1.96 | 1 | 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. | 2.07 | 1 | 0 | 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 | 2.46 | 2 | 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. | 1.96 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
p-dimethylaminoazobenzene p-Dimethylaminoazobenzene: A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound may reasonably be anticipated to be a carcinogen. (Merck, 11th ed) | 2.05 | 1 | 0 | azobenzenes | |
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. | 9.99 | 12 | 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 |
n-methyltryptamine N-methyltryptamine: RN given refers to parent cpd | 8.25 | 6 | 0 | tryptamine alkaloid; tryptamines | metabolite |
n,n-dimethyltryptamine N,N-Dimethyltryptamine: An N-methylated indoleamine derivative and serotonergic hallucinogen which occurs naturally and ubiquitously in several plant species including Psychotria veridis. It also occurs in trace amounts in mammalian brain, blood, and urine, and is known to act as an agonist or antagonist of certain SEROTONIN RECEPTORS.. N,N-dimethyltryptamine : A tryptamine derivative having two N-methyl substituents on the side-chain. | 5.05 | 16 | 0 | tryptamine alkaloid; tryptamines | |
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. | 2.05 | 1 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
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. | 3.06 | 1 | 0 | amino acid zwitterion; L-alpha-amino acid; leucine; proteinogenic amino acid; pyruvate family amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
aniline [no description available] | 2.75 | 3 | 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. | 2.37 | 2 | 0 | cytidine 5'-phosphate; pyrimidine ribonucleoside 5'-monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.38 | 2 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 3.5 | 8 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid | algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
strophanthidin Strophanthidin: 3 beta,5,14-Trihydroxy-19-oxo-5 beta-card-20(22)-enolide. The aglycone cardioactive agent isolated from Strophanthus Kombe, S. gratus and other species; it is a very toxic material formerly used as digitalis. Synonyms: Apocymarin; Corchorin; Cynotoxin; Corchorgenin. | 2.62 | 3 | 0 | 14beta-hydroxy steroid; 19-oxo steroid; 3beta-hydroxy steroid; 5beta-hydroxy steroid; cardenolides; steroid aldehyde | |
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. | 1.97 | 1 | 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. | 1.98 | 1 | 0 | diether; tertiary amino compound; tetracarboxylic acid | chelator |
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. | 1.93 | 1 | 0 | isoindoles | |
mannitol [no description available] | 2.38 | 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 |
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. | 7.65 | 3 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
medroxyprogesterone acetate [no description available] | 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 |
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. | 3.06 | 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 |
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. | 7.55 | 102 | 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 |
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. | 7.15 | 1 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 3.27 | 1 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
acetylene [no description available] | 1.98 | 1 | 0 | alkyne; gas molecular entity; terminal acetylenic compound | |
ethylamine ethylamine : A two-carbon primary aliphatic amine. | 7.37 | 2 | 0 | primary aliphatic amine | human metabolite |
isocyanic acid isocyanic acid: structure. isocyanic acid : A colourless, volatile, poisonous inorganic compound with the formula HNCO; the simplest stable chemical compound that contains carbon, hydrogen, nitrogen, and oxygen, the four most commonly-found elements in organic chemistry and biology. | 1.98 | 1 | 0 | hydracid; one-carbon compound | |
fluoroform fluoroform: structure | 2.07 | 1 | 0 | fluoromethanes | refrigerant |
tetramethylammonium tetramethylammonium: RN given refers to parent cpd. tetramethylammonium : The simplest quaternary ammonium cation, comprising a central nitrogen linked to four methyl groups. | 2.38 | 2 | 0 | quaternary ammonium ion | |
trifluoroacetic acid Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 2.08 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; reagent |
gibberellic acid gibberellic acid: RN given refers to (1alpha,2beta,4aalpha,4bbeta,10beta)-isomer; structure. gibberellin A3 : A C19-gibberellin that is a pentacyclic diterpenoid responsible for promoting growth and elongation of cells in plants. Initially identified in Gibberella fujikuroi,it differs from gibberellin A1 in the presence of a double bond between C-3 and C-4. | 1.96 | 1 | 0 | C19-gibberellin; gibberellin monocarboxylic acid; lactone; organic heteropentacyclic compound | mouse metabolite; plant metabolite |
methyl chloroformate [no description available] | 1.96 | 1 | 0 | | |
acenaphthenequinone acenaphthoquinone : An orthoquinone that is the 1,2-dioxo derivative of acenaphthene. | 2.17 | 1 | 0 | orthoquinones | chain carrier; epitope |
skatole [no description available] | 3.06 | 1 | 0 | methylindole | human metabolite; mammalian metabolite |
9,10-anthraquinone 9,10-anthraquinone : An anthraquinone that is anthracene in which positions 9 and 10 have been oxidised to carbonyls. | 2.6 | 1 | 0 | anthraquinone | |
diethyl phthalate diethyl phthalate: structure. diethyl phthalate : The diethyl ester of benzene-1,2-dicarboxylic acid. | 2.03 | 1 | 0 | diester; ethyl ester; phthalate ester | neurotoxin; plasticiser; teratogenic agent |
gramine gramine : An aminoalkylindole that is indole carrying a dimethylaminomethyl substituent at postion 3. | 7.89 | 4 | 0 | aminoalkylindole; indole alkaloid; tertiary amino compound | antibacterial agent; antiviral agent; plant metabolite; serotonergic antagonist |
2-nitroaniline [no description available] | 2.03 | 1 | 0 | | |
2-nitrophenol nitrophenol : Any member of the class of phenols or substituted phenols carrying at least 1 nitro group. | 2.03 | 1 | 0 | 2-nitrophenols | |
2,5-dichloronitrobenzene [no description available] | 2.03 | 1 | 0 | | |
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. | 2.05 | 1 | 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. | 2.05 | 1 | 0 | naphthol | genotoxin; human xenobiotic metabolite |
anthrone anthrone: used in colorimetric determination of sugar & animal starch in body fluids; structure. anthrone : A member of the class of anthracenes that is 9,10-dihydroanthracene carrying an oxo group at C-9. | 2.05 | 1 | 0 | anthracenone | radical scavenger |
aminacrine Aminacrine: A highly fluorescent anti-infective dye used clinically as a topical antiseptic and experimentally as a mutagen, due to its interaction with DNA. It is also used as an intracellular pH indicator.. 9-aminoacridine : An aminoacridine that is acridine in which the hydrogen at position 9 is replaced by an amino group. A fluorescent dyd and topical antiseptic agent, it is used (usually as the hydrochloride salt) in eye drops for the treatment of superficial eye infections. | 2.05 | 1 | 0 | aminoacridines; primary amino compound | acid-base indicator; antiinfective agent; antiseptic drug; fluorescent dye; MALDI matrix material; mutagen |
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. | 1.97 | 1 | 0 | mancude organic heterobicyclic parent; naphthyridine; ortho-fused heteroarene | |
isatin tribulin: endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol withdrawal; | 2.89 | 4 | 0 | indoledione | EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
3,3'-diaminobenzidine 3,3'-Diaminobenzidine: A chemically and thermodynamically stable derivative of BENZIDINE.. 3,3'-diaminobenzidine : A member of the class of biphenyls that is benzidine in which one of the hydrogens ortho to each of the amino groups has been replaced by an amino group. | 1.97 | 1 | 0 | biphenyls; substituted aniline | histological dye |
diphenyl diphenyl: RN given refers to unlabeled cpd; structure | 2.03 | 1 | 0 | aromatic fungicide; benzenes; biphenyls | antifungal agrochemical; antimicrobial food preservative |
phenylpiperazine phenylpiperazine: RN given refers to parent cpd | 3.48 | 2 | 0 | | |
proflavine Proflavine: Topical antiseptic used mainly in wound dressings.. 3,6-diaminoacridine : An aminoacridine that is acridine that is substituted by amino groups at positions 3 and 6. A slow-acting bacteriostat that is effective against many Gram-positive bacteria (but ineffective against spores), its salts were formerly used for treatment of burns and infected wounds. | 2 | 1 | 0 | aminoacridines | antibacterial agent; antiseptic drug; carcinogenic agent; chromophore; intercalator |
xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.45 | 2 | 0 | xanthene | |
quinaldic acid [no description available] | 2.21 | 1 | 0 | quinolinemonocarboxylic acid | human metabolite; Saccharomyces cerevisiae metabolite |
1-phenylpropanol 1-phenylpropanol: structure in first source | 2.05 | 1 | 0 | organic molecular entity | |
synephrine [no description available] | 2.47 | 2 | 0 | ethanolamines; phenethylamine alkaloid; phenols | alpha-adrenergic agonist; plant metabolite |
2-methylindole 2-methylindole: SKATOLE refers to 3-methylindole; RN given refers to parent cpd; structure. 2-methyl-1H-indole : A methylindole that is 1H-indole substituted by a methyl group at position 2. | 1.93 | 1 | 0 | methylindole | |
2-chloroaniline [no description available] | 2.03 | 1 | 0 | | |
2-chlorophenol chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms. | 2.03 | 1 | 0 | 2-halophenol; monochlorophenol | |
acetophenone acetophenone : A methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group. | 2.05 | 1 | 0 | acetophenones | animal metabolite; photosensitizing agent; xenobiotic |
3-nitroaniline 3-nitroaniline: used as a sole source of nitrogen , carbon and energy | 2.03 | 1 | 0 | | |
4-nitroaniline [no description available] | 2.03 | 1 | 0 | nitroaniline | bacterial xenobiotic metabolite |
4-(dimethylamino)benzaldehyde p-dimethylaminobenzaldehyde: structure in first source. 4-(dimethylamino)benzaldehyde : A member of the class of benzaldehydes that is benzaldehyde carrying a dimethylamino substituent at position 4. Used as an indicator for detection of indoles and hydrazine. | 2.07 | 1 | 0 | benzaldehydes; substituted aniline; tertiary amino compound | chromogenic compound |
benzylamine aminotoluene : Any member of the class of toluenes carrying one or more amino groups. | 3.48 | 8 | 0 | aralkylamine; primary amine | allergen; EC 3.5.5.1 (nitrilase) inhibitor; plant metabolite |
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. | 2.03 | 1 | 0 | aromatic fungicide; phenols | disinfectant; volatile oil component |
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. | 2.03 | 1 | 0 | chloroaniline; monochlorobenzenes | |
allylamine Allylamine: Possesses an unusual and selective cytotoxicity for VASCULAR SMOOTH MUSCLE cells in dogs and rats. Useful for experiments dealing with arterial injury, myocardial fibrosis or cardiac decompensation. | 1.96 | 1 | 0 | alkylamine | |
isoamylamine isoamylamine: RN given refers to parent cpd. isopentylamine : A primary aliphatic amine that is butan-1-amine carrying a methyl substituent at position 3. | 2.01 | 1 | 0 | primary aliphatic amine | bacterial metabolite; plant metabolite |
3-chloroaniline 3-chloroaniline: RN given refers to parent cpd | 2.03 | 1 | 0 | | |
2-aminopyrimidine pyrimidin-2-amine : An aminopyrimidine carrying an amino group at position 2.. aminopyrimidine : A member of the class of pyrimidines that is pyrimidine substituted by at least one amino group and its derivatives. | 2.21 | 1 | 0 | aminopyrimidine | |
2-hydroxyethylhydrazine 2-hydroxyethylhydrazine: inhibitor of phospholipid methylation in yeast | 1.94 | 1 | 0 | hydrazines | herbicide |
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. | 8.84 | 11 | 0 | pyrrole; secondary amine | |
ergotamine Ergotamine: A vasoconstrictor found in ergot of Central Europe. It is a serotonin agonist that has been used as an oxytocic agent and in the treatment of MIGRAINE DISORDERS.. ergotamine : A peptide ergot alkaloid that is dihydroergotamine in which a double bond replaces the single bond between positions 9 and 10. | 2.69 | 3 | 0 | peptide ergot alkaloid | alpha-adrenergic agonist; mycotoxin; non-narcotic analgesic; oxytocic; serotonergic agonist; vasoconstrictor agent |
methylergonovine Methylergonovine: A homolog of ERGONOVINE containing one more CH2 group. (Merck Index, 11th ed) | 2.69 | 3 | 0 | ergoline alkaloid | |
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 |
etryptamine etryptamine: RN given refers to cpd without isomeric designation | 2.69 | 3 | 0 | indoles | |
chloranil Chloranil: A quinone fungicide used for treatment of seeds and foliage.. tetrachloro-1,4-benzoquinone : A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines. | 2.05 | 1 | 0 | 1,4-benzoquinones; organochlorine compound | EC 2.7.1.33 (pantothenate kinase) inhibitor; metabolite |
veratraldehyde [no description available] | 2.05 | 1 | 0 | benzaldehydes; dimethoxybenzene | antifungal agent |
dimethoxyphenylethylamine Dimethoxyphenylethylamine: A derivative of phenethylamine containing two substituent methoxy groups in the phenyl ring.. 3,4-dimethoxyphenylethylamine : An aromatic ether that is the derivative of 2-phenylethylamine with methoxy substituents at the 3- and 4-positions. It is an alkaloid isolated from the Cactaceae family. | 2.1 | 1 | 0 | alkaloid; aromatic ether; phenylethylamine | allergen; plant metabolite |
3,4-dimethoxyamphetamine 3,4-dimethoxyamphetamine: RN given refers to parent cpd without isomeric designation | 3.06 | 1 | 0 | | |
2,4-dichlorophenol 2,4-dichlorophenol: RN given refers to unlabeled parent+ cpd; structure. 2,4-dichlorophenol : A dichlorophenol that is phenol carrying chloro substituents at positions 2 and 4. | 2.03 | 1 | 0 | dichlorophenol | |
dimethyl phthalate dimethyl phthalate: used as plasticizer in computer mouse; structure | 2.03 | 1 | 0 | diester; methyl ester; phthalate ester | |
indolebutyric acid indolebutyric acid: RN given refers to parent cpd. indole-3-butyric acid : A indol-3-yl carboxylic acid that is butanoic acid carrying a 1H-indol-3-yl substituent at position 1. | 2.4 | 2 | 0 | indol-3-yl carboxylic acid | auxin; plant hormone; plant 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. | 2.41 | 2 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
ethyl acetate ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 1.93 | 1 | 0 | acetate ester; ethyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; metabolite; polar aprotic solvent; Saccharomyces cerevisiae 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. | 8.7 | 10 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | alpha-adrenergic antagonist; dopamine receptor D2 antagonist; serotonergic antagonist |
2-vanillin ortho-vanillin : A member of the class of benzaldehydes that is salicylaldehyde substituted by a methoxy group at position 3. | 2.05 | 1 | 0 | benzaldehydes; guaiacols | antimutagen; plant metabolite |
hydroxytryptophol Hydroxytryptophol: 5-Hydroxy-indole-3-ethanol. | 1.96 | 1 | 0 | indoles | |
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. | 2.05 | 1 | 0 | catechin | antioxidant; plant metabolite |
perylene Perylene: A 20-carbon dibenz(de,kl)anthracene that can be viewed as a naphthalene fused to a phenalene or as dinaphthalene. It is used as fluorescent lipid probe in the cytochemistry of membranes and is a polycyclic hydrocarbon pollutant in soil and water. Derivatives may be carcinogenic.. perylene : An ortho- and peri-fused polycyclic arene comprising of five benzene rings that is anthracene in which the d,e and k,l sides are fused to benzene rings. | 2.07 | 1 | 0 | ortho- and peri-fused polycyclic arene; perylenes | |
indazoles Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | 1.96 | 1 | 0 | indazole | |
benzofuran benzofuran: RN & structure given in first source. 1-benzofuran : A benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. | 2 | 1 | 0 | 1-benzofurans; benzofuran | |
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. | 2.06 | 1 | 0 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
cyclopentane Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 3.58 | 2 | 0 | cycloalkane; cyclopentanes; volatile organic compound | non-polar solvent |
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. | 1.97 | 1 | 0 | isoxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazoles [no description available] | 3.14 | 5 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 7.21 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
nitroblue tetrazolium Nitroblue Tetrazolium: Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease. | 1.96 | 1 | 0 | organic cation | |
indopan indopan: RN given refers to parent cpd without isomeric designation. alpha-methyltryptamine : A tryptamine derivative having a methyl substituent at the alpha-position. | 3.38 | 7 | 0 | tryptamines | |
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. | 4.02 | 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. | 8.2 | 6 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
benactyzine Benactyzine: A centrally acting muscarinic antagonist. Benactyzine has been used in the treatment of depression and is used in research to investigate the role of cholinergic systems on behavior. | 6.93 | 1 | 0 | diarylmethane | |
pargyline hydrochloride [no description available] | 1.95 | 1 | 0 | | |
evans blue Evans Blue: An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly.. Evans blue : An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence. | 2.01 | 1 | 0 | organic sodium salt | fluorochrome; histological dye; sodium channel blocker; teratogenic 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. | 5.81 | 30 | 0 | ergoline alkaloid | |
kynuramine Kynuramine: An aromatic ketone containing the aniline structure (ANILINE COMPOUNDS).. kynuramine : A member of the class of kynurenamines that is aniline substituted at position 2 by a 3-aminopropanoyl group. | 7.68 | 3 | 0 | kynurenamines; primary amino compound | metabolite |
methyl-4-tyramine methyl-4-tyramine: found in barley malt; RN given refers to parent cpd; structure given in first source | 2.17 | 1 | 0 | tyramines | mouse metabolite |
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) | 1.96 | 1 | 0 | diarylmethane | |
thiazolidine-4-carboxylic acid thiazolidine-4-carboxylic acid: active against thimerosal intoxication; acts on cell membranes of tumor cells causing reverse transformation to normal cells; RN given refers to parent cpd | 6.97 | 1 | 0 | alpha-amino acid zwitterion; non-proteinogenic alpha-amino acid; sulfur-containing amino acid; thiazolidinemonocarboxylic acid | antidote; antioxidant; hepatoprotective agent |
ketobemidone ketobemidone: structure | 1.96 | 1 | 0 | piperidines | |
2-bromolysergic acid diethylamide 2-bromolysergic acid diethylamide: was heading 1975-94 (see under LYSERGIC ACID DIETHYLAMIDE 1975-90); BROMO-LSD was see 2-BROMOLYSERGIC ACID DIETHYLAMIDE 1975-94; use LYSERGIC ACID DIETHYLAMIDE to search 2-BROMOLYSERGIC ACID DIETHYLAMIDE 1975-94; a serotonin antagonist | 4.18 | 5 | 0 | | |
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 |
ninhydrin Ninhydrin: 2,2-Dihydroxy-1H-indene-1,3-(2H)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties.. ninhydrin : A member of the class of indanones that is indane-1,3-dione bearing two additional hydroxy substituents at position 2. | 2.17 | 1 | 0 | aromatic ketone; beta-diketone; indanones; ketone hydrate | colour indicator; human metabolite |
beta-nicotyrine [no description available] | 2.07 | 1 | 0 | pyridines | |
flavanone flavanone: RN given refers to cpd with unspecified isomeric designation; structure in first source. flavanone : The simplest member of the class of flavanones that consists of flavan bearing an oxo substituent at position 4. | 2.05 | 1 | 0 | flavanones | |
indole-3-carbaldehyde indole-3-carbaldehyde: metabolite of tryptophan; structure. indole-3-carbaldehyde : A heteroarenecarbaldehyde that is indole in which the hydrogen at position 3 has been replaced by a formyl group. | 2.96 | 4 | 0 | heteroarenecarbaldehyde; indole alkaloid; indoles | bacterial metabolite; human xenobiotic metabolite; marine metabolite; plant metabolite |
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. | 4.69 | 9 | 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 |
methyl red methyl red: RN given refers to parent cpd; structure. methyl red : An azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group. | 2.05 | 1 | 0 | | |
indoline indoline: structure given in first source | 7.5 | 2 | 0 | indoles | |
2,4-pyridinedicarboxylic acid lutidinic acid : A pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 4. | 2.21 | 1 | 0 | pyridinedicarboxylic acid | |
thiazolidines Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 1.97 | 1 | 0 | thiazolidine | |
dihydroergotamine Dihydroergotamine: A 9,10alpha-dihydro derivative of ERGOTAMINE. It is used as a vasoconstrictor, specifically for the therapy of MIGRAINE DISORDERS.. dihydroergotamine : Ergotamine in which a single bond replaces the double bond between positions 9 and 10. A semisynthetic ergot alkaloid with weaker oxytocic and vasoconstrictor properties than ergotamine, it is used (as the methanesulfonic or tartaric acid salts) for the treatment of migraine and orthostatic hypotension. | 2.67 | 3 | 0 | ergot alkaloid; semisynthetic derivative | dopamine agonist; non-narcotic analgesic; serotonergic agonist; sympatholytic agent; vasoconstrictor agent |
psilocybin Psilocybin: The major of two hallucinogenic components of Teonanacatl, the sacred mushroom of Mexico, the other component being psilocin. (From Merck Index, 11th ed). psilocybin : A tryptamine alkaloid that is N,N-dimethyltryptamine carrying an additional phosphoryloxy substituent at position 4. The major hallucinogenic alkaloid isolated from Psilocybe mushrooms (also known as Teonanacatl or "magic mushrooms"). | 3.32 | 6 | 0 | organic phosphate; tertiary amino compound; tryptamine alkaloid | fungal metabolite; hallucinogen; prodrug; serotonergic agonist |
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. | 1.96 | 1 | 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. | 2.6 | 1 | 0 | | |
1,2-naphthoquinone naphthalene-1,2-dione: structure given in first source. 1,2-naphthoquinone : The parent structure of the family of 1,2-naphthoquinones, in which the oxo groups of the quinone moiety are at positions 1 and 2 of the naphthalene ring. It is a metabolite of naphthalene and is found in diesel exhaust particles. | 2.05 | 1 | 0 | 1,2-naphthoquinones | aryl hydrocarbon receptor agonist; carcinogenic agent |
tryptophol tryptophol : An indolyl alcohol that is ethanol substituted by a 1H-indol-3-yl group at position 2. | 3.26 | 6 | 0 | indolyl alcohol | auxin; plant metabolite; Saccharomyces cerevisiae metabolite |
thiophene-2-carboxylate thiophene-2-carboxylic acid : A thiophenecarboxylic acid in which the carboxy group is located at position 2. | 2.21 | 1 | 0 | thiophenecarboxylic acid | |
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 | |
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. | 2.67 | 3 | 0 | methoxybenzenes; phenols | |
methamphetamine Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent. | 2.48 | 2 | 0 | amphetamines; secondary amine | central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic |
4-iodophenol [no description available] | 2.05 | 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. | 2.45 | 2 | 0 | dialdehyde | biomarker |
paeonol paeonol: structure | 7.13 | 1 | 0 | methoxybenzenes; phenols | metabolite |
3-nitrophenol [no description available] | 2.03 | 1 | 0 | 3-nitrophenols | |
congo red Congo Red: An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.. Congo Red : An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. | 2.05 | 1 | 0 | bis(azo) compound | |
6-hydroxyquinoline quinolin-6-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 6. | 2.21 | 1 | 0 | monohydroxyquinoline | |
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. | 2.03 | 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-tyramine 3-tyramine: MH Tyramine refers to 4-tyramine; RN given refers to parent cpd. m-tyramine : A primary amino compound that is 2-phenylethanamine substituted by a hydroxy group at position 3. | 3.09 | 5 | 0 | primary amino compound; tyramines | human urinary metabolite; neurotransmitter |
n-methylphenethylamine N-methylphenethylamine: substrate for type A & B monoamine oxidase; RN given refers to parent cpd | 2.66 | 2 | 0 | | |
dimethylselenide dimethylselenide: RN given refers to unlabeled cpd. dimethylselenide : An organoselenium compound of two methyl groups covalently bound to a selenium. | 7.21 | 1 | 0 | organoselenium compound | bacterial xenobiotic metabolite; plant metabolite |
4,4'-bisphenol f 4,4'-bisphenol F: RN given refers to parent cpd. bisphenol F : A bisphenol that is methane in which two of the hydrogens have been replaced by 4-hydroxyphenyl groups. | 2.05 | 1 | 0 | bisphenol; diarylmethane | environmental food contaminant; xenoestrogen |
3-hydroxybenzeneacetic acid 3-hydroxybenzeneacetic acid: metabolite of L-dopa; structure. 3-hydroxyphenylacetic acid : A monocarboxylic acid that is phenylacetic acid in which the hydrogen at position 3 on the benzene ring is replaced by a hydroxy group. | 2.36 | 2 | 0 | monocarboxylic acid; phenols | human xenobiotic metabolite |
5-fluoro-alpha-methyltryptamine 5-fluoro-alpha-methyltryptamine: RN given refers to parent cpd | 2.1 | 1 | 0 | | |
methoxytryptophol [no description available] | 3.06 | 1 | 0 | indoles | |
4-cyanophenol 4-cyanophenol: reversible monoamine oxidase inhibitor | 2.03 | 1 | 0 | phenols | EC 1.4.3.4 (monoamine oxidase) inhibitor |
methidathion methidathion: widely used on citrus, tobacco, alfalfa, cotton, sorghum & several other crops | 2.03 | 1 | 0 | organic thiophosphate; organothiophosphate insecticide | acaricide; agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor |
azure a Azure A: RN given refers to chloride. azure A : An organic chloride salt having 3-amino-7-(dimethylamino)phenothiazin-5-ium as the counterion. It is used in making azure eosin stains for blood smear staining. | 2.4 | 2 | 0 | | |
pyrrole-2-carboxaldehyde 2-pyrrolecarboxaldehyde: structure in first source. pyrrole-2-carboxaldehyde : A pyrrole carrying a formyl substituent at the 2-position. | 2.21 | 1 | 0 | 1,3-thiazole-2-carbaldehyde; pyrroles | |
5-methoxyindole 5-methoxyindole: structure in first source | 2.21 | 1 | 0 | indoles | |
lysergol lysergol: structure given in first source; RN given refers to (8beta)-isomer. lysergol : An alkaloid of the ergoline family that occurs as a minor constituent in some species of fungi and in the morning glory family of plants. Its structure is that of ergoline with a methyl group at N-6 and a beta-hydroxymethyl substituent at C-8. | 1.98 | 1 | 0 | ergoline alkaloid | |
5-methyltryptamine 5-methyltryptamine: RN given refers to parent cpd | 2.72 | 3 | 0 | tryptamines | |
5-hydroxyindole [no description available] | 2.07 | 1 | 0 | hydroxyindoles | human metabolite |
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. | 1.96 | 1 | 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 | |
benzoylcholine Benzoylcholine: The benzoic acid ester of choline. | 6.93 | 1 | 0 | benzoate ester | |
phenethyl isothiocyanate phenethyl isothiocyanate: a dietary liver aldehyde dehydrogenase inhibitor; promotes urinary bladder carcinoma. phenethyl isothiocyanate : An isothiocyanate having a phenethyl group attached to the nitrogen. It is a naturally occurring compound found in some cruciferous vegetables (e.g. watercress) and is known to possess anticancer properties. | 2.07 | 1 | 0 | isothiocyanate | antineoplastic agent; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; metabolite |
pontamine sky blue [no description available] | 2.05 | 1 | 0 | | |
hexadecanethiol [no description available] | 2.13 | 1 | 0 | | |
2,2-bis(bromomethyl)-1,3-propanediol 2,2-bis(bromomethyl)-1,3-propanediol: structure given in first source | 2.05 | 1 | 0 | primary alcohol | |
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. | 5.14 | 11 | 1 | 2-phenylcyclopropan-1-amine | |
bpmc BPMC: structure. fenobucarb : A carbamate ester obtained by the formal condensation of 2-sec-butylphenol with methylcarbamic acid. | 2.03 | 1 | 0 | carbamate ester | agrochemical; EC 3.1.1.7 (acetylcholinesterase) inhibitor; environmental contaminant; herbicide; insecticide |
salithion salithion: causes irreversible ataxia in chicken, mice & sheep; structure in Pesticide Index, 5th ed, p.202 | 2.03 | 1 | 0 | organic thiophosphate | |
tabersonine [no description available] | 2.17 | 1 | 0 | alkaloid ester; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound | antineoplastic agent; metabolite |
5,6-dihydroxytryptamine 5,6-Dihydroxytryptamine: Tryptamine substituted with two hydroxyl groups in positions 5 and 6. It is a neurotoxic serotonin analog that destroys serotonergic neurons preferentially and is used in neuropharmacologic research. | 1.97 | 1 | 0 | | |
benzetimide [no description available] | 1.96 | 1 | 0 | piperidines | |
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 |
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. | 2.1 | 1 | 0 | amino dicarboxylic acid; D-alpha-amino acid; D-aspartic acid derivative; secondary amino compound | neurotransmitter agent |
iridium Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 7.11 | 1 | 0 | cobalt group element atom; platinum group metal atom | |
mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 2.21 | 1 | 0 | elemental mercury; zinc group element atom | neurotoxin |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 7.46 | 2 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.25 | 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. | 2.05 | 1 | 0 | monoatomic argon; noble gas atom; p-block element atom | food packaging gas; neuroprotective agent |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 7.86 | 3 | 0 | copper group element atom; elemental gold | |
hypochlorous acid Hypochlorous Acid: An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.. hypochlorous acid : A chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. | 7.05 | 1 | 0 | chlorine oxoacid; reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; human metabolite |
camptothecin NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 2.8 | 3 | 0 | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
metoprine metoprine: histamine methyltransferase antagonist | 1.96 | 1 | 0 | | |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 7.9 | 4 | 0 | dihydrogen | |
fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 1.93 | 1 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
nitrous acid Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) | 1.96 | 1 | 0 | nitrogen oxoacid | |
galactose aldohexose : A hexose with a (potential) aldehyde group at one end. | 2.04 | 1 | 0 | | |
4-chloro-7-nitrobenzofurazan 4-Chloro-7-nitrobenzofurazan: A benzofuran derivative used as a protein reagent since the terminal N-NBD-protein conjugate possesses interesting fluorescence and spectral properties. It has also been used as a covalent inhibitor of both beef heart mitochondrial ATPase and bacterial ATPase.. 4-chloro-7-nitrobenzofurazan : A benzoxadiazole that is 2,1,3-benzoxadiazole which is substituted at position 4 by chlorine and at position 7 by a nitro group. | 2 | 1 | 0 | benzoxadiazole; C-nitro compound; organochlorine compound | EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.6.1.3 (adenosinetriphosphatase) inhibitor; fluorescent probe; fluorochrome |
coformycin [no description available] | 1.96 | 1 | 0 | coformycins | EC 3.5.4.4 (adenosine deaminase) inhibitor |
tiletamine hydrochloride Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 3.12 | 1 | 0 | | |
7-methyltryptamine 7-methyltryptamine: RN given refers to parent cpd | 2.94 | 4 | 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. | 5.6 | 14 | 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. | 3.06 | 1 | 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 |
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. | 1.96 | 1 | 0 | benzocycloheptathiophene | histamine antagonist; muscarinic antagonist; serotonergic antagonist |
2,5-dimethoxy-4-ethylamphetamine 2,5-dimethoxy-4-ethylamphetamine: psychedelic agent; ethyl homolog of dimethoxymethylamphetamine; RN given refers to parent cpd without isomeric designation | 3.06 | 1 | 0 | amphetamines | |
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. | 3.06 | 1 | 0 | organic sodium salt | anti-asthmatic drug; drug allergen |
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. | 1.98 | 1 | 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 |
methoxygramine [no description available] | 1.97 | 1 | 0 | | |
fluorides [no description available] | 2 | 1 | 0 | halide anion; monoatomic fluorine | |
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. | 5.67 | 15 | 0 | carbamate ester; ergoline alkaloid | dopamine agonist; geroprotector; serotonergic antagonist |
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). | 2.68 | 3 | 0 | monocarboxylic acid amide | antidyskinesia agent; antiparkinson drug; dopamine agonist; serotonergic agonist |
caroxazone caroxazone: structure | 3.34 | 1 | 1 | benzoxazine | |
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 |
5-(2-cyclohexylidene-ethyl)-5-ethylbarbiturate 5-(2-cyclohexylidene-ethyl)-5-ethylbarbiturate: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
2,4,5-trimethoxyphenylisopropylamine 2,4,5-trimethoxyphenylisopropylamine: RN given refers to parent cpd; structure | 3.51 | 2 | 0 | | |
bromocriptine Bromocriptine: A semisynthetic ergotamine alkaloid that is a dopamine D2 agonist. It suppresses prolactin secretion. | 1.98 | 1 | 0 | indole alkaloid | antidyskinesia agent; antiparkinson drug; dopamine agonist; hormone antagonist |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.66 | 3 | 0 | benzenes; phenyl acetates | |
n-phenylethanolamine [no description available] | 1.96 | 1 | 0 | aralkylamine | |
4-anisaldehyde 4-anisaldehyde: RN given refers to cpd with specified locants for methoxy moieties; structure in Merck, 9th ed, #696. p-methoxybenzaldehyde : A member of the class of benzaldehydes consisting of benzaldehyde itself carrying a methoxy substituent at position 4. | 2.05 | 1 | 0 | benzaldehydes | bacterial metabolite; human urinary metabolite; insect repellent; plant metabolite |
acetylacetone acetylacetone : A beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups. | 2.03 | 1 | 0 | beta-diketone | |
pyrene pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 2.03 | 1 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe; persistent organic pollutant |
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 | 3.06 | 1 | 0 | | |
alkenes [no description available] | 2.94 | 4 | 0 | | |
glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.89 | 4 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
o,o-diisopropyl-s-benzylthiophosphate O,O-diisopropyl-S-benzylthiophosphate: structure. iprobenfos : An organic thiophosphate that is the S-benzyl O,O-diisopropyl ester of phosphorothioic acid. Used as a rice fungicide to control leaf and ear blast, stem rot and sheath blight. | 2.03 | 1 | 0 | organic thiophosphate | antifungal agrochemical; phospholipid biosynthesis inhibitor |
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. | 2.05 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
timolol (S)-timolol (anhydrous) : The (S)-(-) (more active) enantiomer of timolol. A beta-adrenergic antagonist, both the hemihydrate and the maleate salt are used in the mangement of glaucoma, hypertension, angina pectoris and myocardial infarction, and for the prevention of migraine. | 2.38 | 2 | 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. | 1.96 | 1 | 0 | tryptamines | |
penfluridol Penfluridol: One of the long-acting ANTIPSYCHOTIC AGENTS used for maintenance or long-term therapy of SCHIZOPHRENIA and other PSYCHOTIC DISORDERS. | 1.96 | 1 | 0 | diarylmethane | |
benthiocarb Saturn: The sixth planet in order from the sun. It is one of the five outer planets of the solar system. Its twelve natural satellites include Phoebe and Titan. | 2.03 | 1 | 0 | monochlorobenzenes; monothiocarbamic ester | |
2-aminotetralin 2-aminotetralin: RN given refers to parent cpd without isomeric designation; structure | 1.96 | 1 | 0 | tetralins | |
5,7-dihydroxytryptamine 5,7-Dihydroxytryptamine: Tryptamine substituted with two hydroxyl groups in positions 5 and 7. It is a neurotoxic serotonin analog that destroys serotonergic neurons preferentially and is used in neuropharmacology as a tool. | 7.66 | 3 | 0 | | |
4-ipomeanol 4-ipomeanol: lung-toxic furanoterpenoid produced in moldy sweet potatoes in response to fungus infection; RN given refers to cpd without isomeric designation; structure | 3.06 | 1 | 0 | aromatic ketone | |
substance p [no description available] | 2.38 | 2 | 0 | peptide | neurokinin-1 receptor agonist; neurotransmitter; vasodilator agent |
tertatolol tertatolol: RN given refers to parent cpd; structure given in first source | 1.99 | 1 | 0 | thiochromane | |
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. | 1.97 | 1 | 0 | organic heteropentacyclic compound | |
penbutolol Penbutolol: A nonselective beta-blocker used as an antihypertensive and an antianginal agent. | 1.99 | 1 | 0 | ethanolamines | |
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. | 1.97 | 1 | 0 | L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | alpha-adrenergic agonist; antihypertensive agent; hapten; peripheral nervous system drug; sympatholytic agent |
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. | 2.03 | 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. | 2.03 | 1 | 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 |
ng-nitroarginine methyl ester NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension. | 2.07 | 1 | 0 | alpha-amino acid ester; L-arginine derivative; methyl ester; N-nitro compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
tiamenidine [no description available] | 1.96 | 1 | 0 | organochlorine compound | |
chlorodiphenyl (54% chlorine) Chlorodiphenyl (54% Chlorine): A mixture of polychlorinated biphenyls that induces hepatic microsomal UDP-glucuronyl transferase activity towards thyroxine.. Aroclor 1254 : A mixture of polychlorobiphenyls of unspecified composition, containing 54% chlorine (X = Cl or H). | 1.97 | 1 | 0 | | |
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 |
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. | 6.98 | 1 | 0 | | |
brofaromine brofaromine: short-acting specific type A monoamine oxidase inhibitor; structure given in first source; RN given refers to parent cpd | 4.28 | 4 | 1 | | |
ethylcholine aziridinium ethylcholine aziridinium: causes passive avoidance deficits | 1.98 | 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. | 2.38 | 2 | 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. | 2.89 | 4 | 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 |
2-amino-6-methyldipyrido(1,2-a-3',2'-d)imidazole 2-amino-6-methyldipyrido(1,2-a-3',2'-d)imidazole: structure | 1.98 | 1 | 0 | imidazopyridine | |
2-amino-3-methylimidazo(4,5-f)quinoline 2-amino-3-methylimidazo(4,5-f)quinoline: mutagen found in broiled food; RN given refers to parent cpd; structure given in first source; frequently abbreviated as IQ in the literature. 3-methyl-3H-imidazo[4,5-f]quinolin-2-amine : An imidazoquinoline that is 3H-imidazo[4,5-f]quinoline substituted by a methyl group at position 3 and an amino group at position 2. | 2.66 | 3 | 0 | imidazoquinoline | carcinogenic agent |
levocabastine levocabastine: for the temporary relief of the signs and symptoms of seasonal allergic conjunctivitis | 1.97 | 1 | 0 | piperidines | |
quinpirole Quinpirole: A dopamine D2/D3 receptor agonist.. quinpirole : A pyrazoloquinoline that is (4aR,8aR)-4,4a,5,6,7,8,8a,9-octahydro-1H-pyrazolo[3,4-g]quinoline substituted by a propyl group at position 5. It acts as a dopamine agonist. | 2.02 | 1 | 0 | pyrazoloquinoline | dopamine agonist |
gepirone gepirone: RN given refers to parent cpd; structure given in first source | 1.97 | 1 | 0 | N-arylpiperazine | |
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. | 2.05 | 1 | 0 | fluoroquinolone antibiotic; monocarboxylic acid; monofluorobenzenes; N-alkylpiperazine; N-arylpiperazine; quinolone antibiotic; quinolone | antibacterial drug; Mycoplasma genitalium metabolite |
sarafloxacin sarafloxacin: RN & structure given in first source | 2.05 | 1 | 0 | quinolines | |
ipsapirone [no description available] | 3.06 | 1 | 0 | N-arylpiperazine | |
sergolexole sergolexole: structure given in first source | 1.98 | 1 | 0 | | |
sparfloxacin [no description available] | 2.05 | 1 | 0 | fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone | |
orbifloxacin orbifloxacin: structure given in first source in error (quinolone nitrogen atom not shown) | 2.05 | 1 | 0 | quinolines | |
marbofloxacin [no description available] | 2.05 | 1 | 0 | quinolines | |
zolmitriptan zolmitriptan: an antimigraine compound; a serotonin (5HT)-1D receptor agonist. zolmitriptan : A member of the class of tryptamines that is N,N-dimethyltryptamine in which the hydrogen at position 5 of the indole ring has been replaced by a [(4S)-2-oxo-1,3-oxazolidin-4-yl]methyl group. A serotonin 5-HT1 B and D receptor agonist, it is used for the treatment of migraine. | 1.98 | 1 | 0 | oxazolidinone; tryptamines | anti-inflammatory drug; serotonergic agonist; vasoconstrictor agent |
2,5-dimethoxy-4-bromoamphetamine 2,5-dimethoxy-4-bromoamphetamine: RN given refers to (alpha)-isomer; a serotonin agonist that interferes with Meth A tumor growth in mice by selective vasoconstrictive action | 4.02 | 4 | 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 |
cathinone cathinone: alkaloid from khat shrub, Catha edulis; RN given refers to parent cpd without isomeric designation. cathinone : The S stereoisomer of 2-aminopropiophenone. | 3.93 | 3 | 0 | 2-aminopropiophenone; monoamine alkaloid | central nervous system stimulant; psychotropic drug |
2-amino-3,4-dimethylimidazo(4,5-f)quinoline 2-amino-3,4-dimethylimidazo(4,5-f)quinoline: strong mutagens found in broiled food; structure given in first source | 2.66 | 3 | 0 | aminoquinoline | |
2-amino-3,8-dimethylimidazo(4,5-f)quinoxaline 2-amino-3,8-dimethylimidazo(4,5-f)quinoxaline: strong mutagen found in broiled foods; structure given in first source. MeIQx : An imidazoquinoxaline that is 3H-imidazo[4,5-f]quinoxaline substituted at positions 3 and 8 by methyl groups and at position 2 by an amino group. A mutagenic compound found in cooked beef. | 1.97 | 1 | 0 | aromatic amine; imidazoquinoxaline | carcinogenic agent; genotoxin; Maillard reaction product; mutagen |
trifluoromethanesulfonic acid trifluoromethanesulfonic acid: deblocking reagent for peptide synthesis; RN given refers to parent cpd. triflic acid : A one-carbon compound that is methanesulfonic acid in which the hydrogens attached to the methyl carbon have been replaced by fluorines. | 2.11 | 1 | 0 | one-carbon compound; perfluoroalkanesulfonic acid | |
2,5-dimethoxyamphetamine 2,5-dimethoxyamphetamine: RN given refers to parent cpd without isomeric designation | 3.51 | 2 | 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. | 3.12 | 1 | 0 | D-glucopyranose | epitope; mouse metabolite |
thiazolyl blue thiazolyl blue: RN & II refers to bromide. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide : The bromide salt of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium. | 2.1 | 1 | 0 | organic bromide salt | colorimetric reagent; dye |
betulinic acid [no description available] | 2.17 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | anti-HIV agent; anti-inflammatory agent; antimalarial; antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; plant metabolite |
epigallocatechin gallate epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 2.05 | 1 | 0 | flavans; gallate ester; polyphenol | antineoplastic agent; antioxidant; apoptosis inducer; geroprotector; Hsp90 inhibitor; neuroprotective agent; plant metabolite |
6-sulfatoxymelatonin 6-sulfatoxymelatonin: metabolite of melatonin; RN given refers to parent cpd | 3.37 | 1 | 1 | acetamides | |
neocuproine neocuproine: Spectrophotometric determination of copper and ultramicro blood sugar determinations; structure; RN given refers to parent cpd. neocuproine : A member of the class of phenanthrolines that is 1,10-phenanthroline bearing two methyl substituents at positions 2 and 9. | 2.5 | 2 | 0 | phenanthrolines | chelator; copper chelator |
1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose pentagalloylglucose: pentahydroxy gallic acid ester of glucose; a phytogenic antineoplastic agent and antibacterial agent. 1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose : A galloyl-beta-D-glucose compound having five galloyl groups in the 1-, 2-, 3-, 4- and 6-positions. | 2.17 | 1 | 0 | gallate ester; galloyl beta-D-glucose | anti-inflammatory agent; antineoplastic agent; geroprotector; hepatoprotective agent; plant metabolite; radiation protective agent; radical scavenger |
fenclofenac fenclofenac: RN given refers to parent cpd | 1.96 | 1 | 0 | aromatic ether | |
flutonidine flutonidine: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
eltoprazine eltoprazine: RN given refers to parent cpd; suppresses hyperpolarizing responses to serotonin in rat hippocampus | 1.99 | 1 | 0 | | |
web 2086 WEB 2086: structure given in first source; PAF antagonist | 2.04 | 1 | 0 | organonitrogen heterocyclic compound; organosulfur heterocyclic compound | |
alniditan alniditan: structure given in first source | 6.99 | 1 | 0 | | |
isocytosine 2-amino-4-hydroxypyrimidine : An aminopyrimidine in which the pyrimidine ring bears amino and hydroxy substituents at positions 2 and 4, respectively. | 2.21 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | |
4-chlorophenethylamine 4-chlorophenethylamine: RN given refers to parent cpd | 1.96 | 1 | 0 | | |
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.76 | 3 | 0 | 1,2,3-triazole | |
harmol harmol: harmol is oxidized form of alkaloid harmolol; RN given refers to parent cpd; structure | 1.97 | 1 | 0 | harmala alkaloid | |
spiramide spiramide: RN given refers to parent cpd; structure. spiramide : An azaspiro compound that consists of 1,3,8-triazaspiro[4.5]decan-4-one having a phenyl group attached to N-1 and a 3-(4-fluorophenoxy)propyl attached to N-8. Selective 5-HT antagonist, which binds to 5-HT2 sites as potently as spiperone but has lower affinity for 5-HT2C receptors. Also a high affinity D2 receptor antagonist (Ki = 3 nM). Lacks the disruptive effect of spiperone on animal behaviour. | 2.02 | 1 | 0 | aromatic ether; azaspiro compound; organofluorine compound; piperidines; tertiary amino compound | dopaminergic antagonist; serotonergic antagonist |
perilla ketone perilla ketone: potent lung toxin from Perilla frutescens; structure | 3.06 | 1 | 0 | aromatic ketone | |
setoperone [no description available] | 1.97 | 1 | 0 | | |
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. | 2.05 | 1 | 0 | dichlorobenzene; secondary amino compound; tetralins | antidepressant; serotonin uptake inhibitor |
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. | 4.47 | 7 | 0 | ergot alkaloid; sulfamides | antiparkinson drug; dopamine agonist; serotonergic antagonist |
4,4'-Dihydroxybenzophenone [no description available] | 2.05 | 1 | 0 | benzophenones | |
4(5)-phenylimidazole 4(5)-phenylimidazole: tautomeric cpd; cytochrome P450 14alpha-sterol demethylase, CYP51 antagonist | 3.31 | 1 | 0 | | |
n-acetylhistamine N-acetylhistamine : A member of the class of acetamides that is acetamide comprising histamine having an acetyl group attached to the side-chain amino function. | 2.21 | 1 | 0 | acetamides; imidazoles | human metabolite |
cyclopropylamine cyclopropylamine: RN given refers to parent cpd. cyclopropylamine : A primary aliphatic amine that consists of cyclopropane bearing a single amino substituent. | 6.93 | 1 | 0 | primary aliphatic amine | mouse metabolite |
indole-3-carboxylic acid indole-3-carboxylic acid : An indole-3-carboxylic acid carrying a carboxy group at position 3. | 2.42 | 2 | 0 | indol-3-yl carboxylic acid | bacterial metabolite; human metabolite |
2,2'-Dihydroxybenzophenone [no description available] | 2.05 | 1 | 0 | benzophenones | |
n-acetyltryptamine N-acetyltryptamine: antagonizes the melatonin-induced inhibition of dopamine release from retina; RN given refers to parent cpd. N-acetyltryptamine : A tryptamine compound having an acetyl substituent attached to the side-chain amino function. | 2.95 | 4 | 0 | acetamides; indoles | |
2,3,4-trihydroxbenzophenone 2,3,4-trihydroxbenzophenone : A benzenetriol that is benzophenone in which one of the phenyl groups is substituted by hydroxy groups at positions 2, 3, and 4. It is a redox mediator. | 2.05 | 1 | 0 | benzenetriol; hydroxybenzophenone | drug metabolite; EC 1.14.18.1 (tyrosinase) inhibitor; human urinary metabolite; quorum sensing inhibitor; rat metabolite |
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. | 2.05 | 1 | 0 | cyclopropanes; N-alkylpiperazine; N-arylpiperazine; organofluorine compound; quinolinemonocarboxylic acid; quinolone | antibacterial agent; antimicrobial agent; antineoplastic agent |
danofloxacin [no description available] | 2.05 | 1 | 0 | quinolines | |
ocaperidone ocaperidone: structure given in first source | 1.99 | 1 | 0 | pyridopyrimidine | |
mdl 11939 alpha-phenyl-1-(2-phenylethyl)-4-piperidinemethanol: class III antiarrythmic agent; structure given in first source | 2.02 | 1 | 0 | primary amine | |
epicatechin (-)-epicatechin : A catechin with (2R,3R)-configuration. | 2.05 | 1 | 0 | catechin; polyphenol | antioxidant |
indole-2-carboxylic acid [no description available] | 2.46 | 2 | 0 | indolyl carboxylic acid | |
serpentine (alkaloid) serpentine (alkaloid): do not confuse with mineral serpentine; RN given refers to (19alpha)-isomer; structure | 2.42 | 2 | 0 | carboxylic ester; iminium betaine; indole alkaloid; quinolizines; zwitterion | |
fascaplysine fascaplysine: from tropic sea sponges | 2.03 | 1 | 0 | | |
maslinic acid (2Alpha,3beta)-2,3-dihydroxyolean-12-en-28-oic acid: from Luehea divaricata and Agrimonia eupatoria | 2.17 | 1 | 0 | dihydroxy monocarboxylic acid; pentacyclic triterpenoid | anti-inflammatory agent; antineoplastic agent; antioxidant; plant metabolite |
tutin tutin: neurotoxin found in Coriaria shrubs; hyenanchin is the hydroxy derivative; structure | 1.96 | 1 | 0 | gamma-lactone | |
2-(2,5-dimethoxyphenyl)ethanamine [no description available] | 2.15 | 1 | 0 | dimethoxybenzene | |
6-carboxyfluorescein 6-carboxyfluorescein: originally sold as 6-carboxyfluorescein, but commercial product is a mixture of two isomers; correct name is 5(6)-carboxyfluorescein | 2.13 | 1 | 0 | monocarboxylic acid | |
5-chlorotryptamine [no description available] | 2.47 | 2 | 0 | | |
1-benzylimidazole 1-benzylimidazole: inhibits human thromboxane synthetase | 2.05 | 1 | 0 | | |
methyl tryptophan, (l-trp)-isomer [no description available] | 2.05 | 1 | 0 | | |
5-aminoindole 5-aminoindole: structure in first source. 1H-indol-5-amine : An indolamine carrying an amino group at position 5. | 7.1 | 1 | 0 | indolamine | |
delta(1)-pyrroline [no description available] | 1.94 | 1 | 0 | imine; pyrroline | |
2-amino-5-bromobenzoic acid 2-amino-5-bromobenzoic acid: structure in first source | 2.05 | 1 | 0 | | |
tryptophan ethyl ester tryptophan ethyl ester: RN given refers to (DL)-isomer | 1.97 | 1 | 0 | | |
5-chloroindole-2-carboxylate 5-chloroindole-2-carboxylate: N-methyl-D-aspartate glycine site antagonist | 2.21 | 1 | 0 | indolyl carboxylic acid | |
tert-butyloxycarbonyltryptophan tert-butyloxycarbonyltryptophan: RN given refers to (L)-isomer | 2.11 | 1 | 0 | indolyl carboxylic acid | |
2,5-dimethoxy-4-methylamphetamine 2,5-Dimethoxy-4-Methylamphetamine: A psychedelic phenyl isopropylamine derivative, commonly called DOM, whose mood-altering effects and mechanism of action may be similar to those of LSD. | 3.51 | 2 | 0 | | |
1,2-dibenzoyl-tert-butylhydrazine 1,2-dibenzoyl-tert-butylhydrazine: structure given in first source | 2.03 | 1 | 0 | bisacylhydrazine insecticide | |
coenzyme a [no description available] | 2.42 | 2 | 0 | adenosine 3',5'-bisphosphate | coenzyme; Escherichia coli metabolite; mouse metabolite |
loganin [no description available] | 3.82 | 3 | 0 | beta-D-glucoside; cyclopentapyran; enoate ester; iridoid monoterpenoid; methyl ester; monosaccharide derivative; secondary alcohol | anti-inflammatory agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; EC 3.4.23.46 (memapsin 2) inhibitor; neuroprotective agent; plant metabolite |
kampirone 1-(2-pyrimidinyl)piperazine: metabolite of buspirone; structure given in first source | 1.99 | 1 | 0 | N-arylpiperazine | |
5-benzyloxytryptamine [no description available] | 7.69 | 3 | 0 | | |
nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 8.08 | 5 | 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 |
n,n-dipropyl-2-aminotetralin N,N-dipropyl-2-aminotetralin: RN given refers to parent cpd | 1.99 | 1 | 0 | | |
fibrinogen Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol. | 2.43 | 2 | 0 | iditol | fungal metabolite |
4-methoxymethamphetamine 4-methoxymethamphetamine: does not behave as a simple amphetamine-like agent; RN given refers to parent cpd without isomeric designation; structure given in first source | 2.15 | 1 | 0 | | |
tetrahydroharmane [no description available] | 1.99 | 1 | 0 | | |
tebufenozide tebufenozide: structure given in first source. tebufenozide : A carbohydrazide that is hydrazine in which the amino hydrogens have been replaced by tert-butyl, 3,5-dimethylbenzoyl and 4-ethylbenzoyl groups respectively. It is an insecticide used widely against caterpillars. | 2.03 | 1 | 0 | carbohydrazide | ecdysone agonist; environmental contaminant; xenobiotic |
5-methyltryptophan 5-methyltryptophan: RN given refers to cpd without isomeric designation. 5-methyltryptophan : A tryptophan derivative that is tryptophan substituted by a methyl group at position 5 of the indole ring. | 2.73 | 3 | 0 | non-proteinogenic alpha-amino acid; tryptophan derivative | |
indole-3-lactic acid indole-3-lactic acid: RN given refers to cpd without isomeric designation. 3-(indol-3-yl)lactic acid : A hydroxy monocarboxylic acid that is lactic acid substituted by a 1H-indol-3-yl group at position 3. It is a metabolite of tryptophan. | 2.58 | 2 | 0 | hydroxy monocarboxylic acid; indol-3-yl carboxylic acid | human metabolite |
glycylsarcosine glycylsarcosine : A dipeptide obtained by formal condensation of the carboxy group of glycine with the amino group of sarcosine. | 2.01 | 1 | 0 | dipeptide zwitterion; dipeptide | |
n-acetyltryptophanamide [no description available] | 2.03 | 1 | 0 | acetamides; L-tryptophan derivative; primary carboxamide; secondary carboxamide | |
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 |
6-fluorotryptophan 6-fluorotryptophan: an inhibitor of serotonin synthesis; RN given refers to parent cpd without isomeric designation | 2.05 | 1 | 0 | indolyl carboxylic acid | |
benzo(b)thiophene-2-carboxylic acid benzo(b)thiophene-2-carboxylic acid: for prevention of osteoporosis; structure given in first source | 2.21 | 1 | 0 | | |
2-chloromandelic acid 2-chloromandelic acid: structure in first source | 2.05 | 1 | 0 | | |
1-methyltryptophan [no description available] | 2.05 | 1 | 0 | non-proteinogenic alpha-amino acid; tryptophan derivative | antineoplastic agent; EC 1.13.11.52 (indoleamine 2,3-dioxygenase) inhibitor |
1,2,3,4-tetrahydro-1-methyl-beta-carboline-1-carboxylic acid 1,2,3,4-tetrahydro-1-methyl-beta-carboline-1-carboxylic acid: condensation product of pyruvic acid and tryptamine | 6.97 | 1 | 0 | | |
quindoline quindoline: a fused indole-quinoline alkaloid from CRYPTOLEPIS sanguinolenta; structure | 2.17 | 1 | 0 | | |
benzyloxyamine benzyloxyamine: RN given refers to parent cpd | 3.21 | 1 | 0 | | |
n-acetyltryptophan methyl ester N-acetyltryptophan methyl ester: RN given refers to (L)-isomer | 2.05 | 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 |
1,4-dihydropyridine [no description available] | 2 | 1 | 0 | | |
methoxyfenozide methoxyfenozide: structure in first source. methoxyfenozide : A carbohydrazide that is hydrazine in which the amino hydrogens have been replaced by 3-methoxy-2-methylbenzoyl, 3,5-dimethylbenzoyl, and tert-butyl groups respectively. | 2.03 | 1 | 0 | carbohydrazide; monomethoxybenzene | environmental contaminant; insecticide; xenobiotic |
cyanates Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 2.9 | 4 | 0 | | |
1-(2,5-dimethoxy-4-nitrophenyl)-2-aminopropane 1-(2,5-dimethoxy-4-nitrophenyl)-2-aminopropane: structure given in first source; RN given refers to parent cpd | 3.06 | 1 | 0 | | |
gr 127935 GR 127935: a 5-HT 1D receptor antagonist. GR 127935 : A member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid and the anilino group of 4-methoxy-3-(4-methylpiperazin-1-yl)aniline. Potent and selective 5-HT1B/1D receptor antagonist (pKi values are 8.5 for both guinea pig 5-HT1D and rat 5-HT1B receptors). Displays > 100-fold selectivity over 5HT1A, 5-HT2A, 5-HT2C receptors and other receptor types. Centrally active following oral administration. | 1.99 | 1 | 0 | 1,2,4-oxadiazole; benzamides; N-alkylpiperazine; N-arylpiperazine | |
tryptoline tryptoline: neurotoxic factor that may be involved in development of Parkinson's disease; enzymatic prep from human brain converts tryptamine to tryptoline; RN given refers to parent cpd; structure | 9.13 | 16 | 0 | beta-carbolines | |
6-chloro-2-(1-piperazinyl)pyrazine [no description available] | 2.69 | 3 | 0 | N-arylpiperazine | |
5-methoxy 3-(1,2,3,6-tetrahydro-4-pyridinyl)1h indole [no description available] | 4.33 | 6 | 0 | indoles | |
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. | 2.04 | 1 | 0 | 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine | antihypertensive agent; beta-adrenergic antagonist; bronchoconstrictor agent; hematologic agent; vasodilator agent |
pumiliotoxin c pumiliotoxin C: isolated from skin of Dendrobates pumilio (frog); see also records for pumiliotoxin A, pumiliotoxin B & pumiliotoxins | 2.17 | 1 | 0 | | |
rh-0345 N-4-chlorobenzoyl-N'-benzoyl-N'-tert-butylhydrazine: structure in first source | 2.03 | 1 | 0 | bisacylhydrazine insecticide; monochlorobenzenes | |
2-iodomelatonin [no description available] | 2.01 | 1 | 0 | acetamides | |
2-methyltryptoline 2-methyltryptoline: enzymatic preparation from human brain converts methyltyptamine to methyltryptoline; structure | 2.38 | 2 | 0 | beta-carbolines | |
1-(2-(4-aminophenyl)ethyl)-4-(3-trifluoromethylphenyl)piperazine LY 165163: structure given in first source; a serotonin agonist. LY-165163 : A N-arylpiperazine that is piperazine substituted by 2-(4-aminophenyl)ethyl and 3-(trifluoromethyl)phenyl groups at positions 1 and 4, respectively. It is a selective 5-HT1A serotonin receptor agonist and 5-HT1D serotonin receptor antagonist. | 1.98 | 1 | 0 | (trifluoromethyl)benzenes; N-alkylpiperazine; N-arylpiperazine; primary arylamine; substituted aniline | geroprotector; serotonergic agonist |
diazaquinomycin a diazaquinomycin A: structure given in first source | 2.17 | 1 | 0 | quinolone | |
tryptophan methyl ester tryptophan methyl ester: RN given refers to parent cpd(DL)-isomer | 1.93 | 1 | 0 | | |
fullerene c60 Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms. | 2.07 | 1 | 0 | fullerene | geroprotector |
5,5'-bis(8-(phenylamino)-1-naphthalenesulfonate) [no description available] | 2.05 | 1 | 0 | | |
small cardioactive peptide b small cardioactive peptide B: neuropeptide from Aplysia | 1.96 | 1 | 0 | | |
hydroxycitric acid hydroxycitric acid: RN given refers to cpd without isomeric designation; structure | 2.01 | 1 | 0 | carbonyl compound | |
fraxinellone fraxinellone: structure given in first source; RN given for (3R-cis)-isomer | 2.17 | 1 | 0 | 2-benzofurans | |
glabridin [no description available] | 2.17 | 1 | 0 | hydroxyisoflavans | antiplasmodial drug |
1-(2,5-dimethyl-4-iodophenyl)-2-aminopropane [no description available] | 2.02 | 1 | 0 | | |
methotrexate [no description available] | 1.96 | 1 | 0 | dicarboxylic acid; monocarboxylic acid amide; pteridines | abortifacient; antimetabolite; antineoplastic agent; antirheumatic drug; dermatologic drug; DNA synthesis inhibitor; EC 1.5.1.3 (dihydrofolate reductase) inhibitor; immunosuppressive agent |
3-(3-(dimethylamino)propyl)-4-hydroxy-n-(4-(4-pyridinyl)phenyl)benzamide 3-(3-(dimethylamino)propyl)-4-hydroxy-N-(4-(4-pyridinyl)phenyl)benzamide: a 5-HT(1D) receptor antagonist; RN given refers to HCl salt | 2.04 | 1 | 0 | | |
3-propylamino-5-hydroxychroman [no description available] | 1.99 | 1 | 0 | | |
s 14671 S 14671: serotonin receptor agonist; RN from toxlit | 1.99 | 1 | 0 | | |
ly 215840 LY 215840: structure given in first source; a potent 5-hydroxytryptamine (5-HT)2 receptor antagonist | 1.98 | 1 | 0 | | |
6-bromo-3-(bromomethyl)-7-methyl-2,3,7-trichloro-1-octene 6-bromo-3-(bromomethyl)-7-methyl-2,3,7-trichloro-1-octene: structure given in first source | 2.17 | 1 | 0 | monoterpenoid; organobromine compound; organochlorine compound | algal metabolite; antineoplastic agent; marine metabolite |
dilevalol (R,R)-labetalol : A 2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide that has 1R,2R-configuration. | 1.99 | 1 | 0 | 2-hydroxy-5-{1-hydroxy-2-[(4-phenylbutan-2-yl)amino]ethyl}benzamide | |
imidazole-4-acetic acid hydrochloride [no description available] | 2.21 | 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. | 2.02 | 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 |
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. | 2.05 | 1 | 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 |
n-methylserotonin N-methylserotonin: RN given refers to parent cpd. N-methylserotonin : A member of the class of tryptamines that is serotonin in which one of the hydrogens attached to the primary amino group is replaced by a methyl group. | 3.48 | 2 | 0 | phenols; tryptamines | human metabolite; plant metabolite |
5-methoxy-n,n-diisopropyltryptamine 5-methoxy-N,N-diisopropyltryptamine: RN given refers to parent cpd | 2.17 | 1 | 0 | tryptamines | hallucinogen |
3-(1-methyl-1,2,3,6-tetrahydropyrid-4-yl)indole 3-(1-methyl-1,2,3,6-tetrahydropyrid-4-yl)indole: structure given in first source | 1.99 | 1 | 0 | | |
3-methoxyamphetamine 3-methoxyamphetamine: RN given refers to cpd without isomeric designation | 3.51 | 2 | 0 | | |
n,n-dipropylcarboxamidotryptamine [no description available] | 2.67 | 3 | 0 | indolecarboxamide | |
naproxen Naproxen: An anti-inflammatory agent with analgesic and antipyretic properties. Both the acid and its sodium salt are used in the treatment of rheumatoid arthritis and other rheumatic or musculoskeletal disorders, dysmenorrhea, and acute gout.. naproxen : A methoxynaphthalene that is 2-methoxynaphthalene substituted by a carboxy ethyl group at position 6. Naproxen is a non-steroidal anti-inflammatory drug commonly used for the reduction of pain, fever, inflammation and stiffness caused by conditions such as osteoarthritis, kidney stones, rheumatoid arthritis, psoriatic arthritis, gout, ankylosing spondylitis, menstrual cramps, tendinitis, bursitis, and for the treatment of primary dysmenorrhea. It works by inhibiting both the COX-1 and COX-2 enzymes. | 2.39 | 2 | 0 | methoxynaphthalene; monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; gout suppressant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
thionium [no description available] | 7.1 | 1 | 0 | | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.71 | 3 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
pseudonicotine pseudonicotine: structure. (R)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has R-configuration. | 2.17 | 1 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | |
win 64821 WIN 64821: a dimerized Trp-Phe condensate; structurally similar to verticillins and chaetocins; a nonpeptide neurokinin antagonist; structure given in first source; substance P antagonist | 2.11 | 1 | 0 | | |
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 | |
n-desmethylmethoxyphenamine N-desmethylmethoxyphenamine: metabolite of methoxyphenamine; RN given refers to parent cpd without isomeric designation | 3.51 | 2 | 0 | | |
5-hydroxytryptoline 5-hydroxytryptoline: results from the action of an enzymatic preparation from human brain on 5-hydroxytryptamine; structure | 1.96 | 1 | 0 | beta-carbolines | metabolite |
6-hydroxytryptamine 6-hydroxytryptamine: RN given refers to parent cpd | 8.76 | 3 | 0 | | |
harmalan harmalan: structure given in first source | 2.37 | 2 | 0 | harmala alkaloid | |
abrine abrine: from seeds of Abrus precatorius; structure in first source. N(alpha)-methyl-L-tryptophan : A N-methyl-L-alpha-amino acid that is the N(alpha)-methyl derivative of L-tryptophan. | 2.05 | 1 | 0 | L-tryptophan derivative; N-methyl-L-alpha-amino acid zwitterion; N-methyl-L-alpha-amino acid | Escherichia coli metabolite |
chrysamine g chrysamine G: structure given in first source; RN refers to disodium salt | 2.05 | 1 | 0 | | |
kynurenine L-kynurenine : A kynurenine that has L configuration. | 2.11 | 1 | 0 | amino acid zwitterion; kynurenine; non-proteinogenic L-alpha-amino acid | human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
secologanin (-)-secologanin : An iridoid monoterpenoid that is acetaldehyde in which on of the hydrogens of the methyl group has been replaced by a 2-(beta-D-glucopyranosyloxy)-3,4-dihydro-2H-pyran-4-yl group which is substituted at positions 3 and 5 by a vinyl and a methoxycarbonyl group, respectively (the 2S,3R,4S stereoisomer). | 9.83 | 10 | 0 | aldehyde; beta-D-glucoside; enoate ester; methyl ester; pyrans; secoiridoid glycoside | plant metabolite |
strictosidine [no description available] | 4.54 | 4 | 0 | alkaloid ester; beta-D-glucoside; indole alkaloid; methyl ester | |
baeocystin baeocystin: from Psilocybe semilanceata. baeocystin : A tryptamine alkaloid that is N-methyltryptamine carrying an additional phosphoryloxy substituent at position 4. | 7.72 | 2 | 0 | organic phosphate; secondary amino compound; tryptamine alkaloid | fungal metabolite; hallucinogen |
deferrioxamine e deferrioxamine E: may act as siderophore in Streptomyces. desferrioxamine E : A cyclic hydroxamic acid siderophore that is produced by several bacterial species and exhibits antitumour activity. | 2.17 | 1 | 0 | cyclic desferrioxamine; cyclic hydroxamic acid; macrocycle | antineoplastic agent; bacterial metabolite; marine metabolite; siderophore |
5-fluorotryptamine 5-fluorotryptamine: RN given refers to parent cpd | 7.96 | 4 | 0 | | |
4'-hydroxyflavanone 4'-hydroxyflavanone: structure in first source. 4'-hydroxyflavanones : Any hydroxyflavanone having a hydroxy substituent located at position 4'. | 2.17 | 1 | 0 | 4'-hydroxyflavanones; monohydroxyflavanone | |
5-methoxytryptoline [no description available] | 2.39 | 2 | 0 | | |
4,9-dihydro-7-methoxy-3h-pyrido(3,4b)indole 4,9-dihydro-7-methoxy-3H-pyrido(3,4b)indole: structure given in first source | 2.02 | 1 | 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. | 7.4 | 2 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
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. | 2.66 | 3 | 0 | | |
brevianamide f brevianamide F: isolated from the endophyte from Aspergillus fumigatus associated with Melia azedarach L that could be used to develop a natural eco-friendly herbicide.structure in first source. brevianamide F : A pyrrolopyrazine that is hexahydropyrrolo[1,2-a]pyrazine-1,4-dione bearing an indol-3-ylmethyl substituent at position 3 (the 3S,8aS-diastereomer, obtained by formal cyclocondensation of L-tryptophan and L-proline). | 2.05 | 1 | 0 | dipeptide; indoles; pyrrolopyrazine | metabolite |
o-acetyl-5-methoxytryptophenol O-acetyl-5-methoxytryptophenol: synthesized in the pineal gland; structure given in first source | 3.06 | 1 | 0 | | |
8-methoxy-2-(di-n-propylamino)tetralin 8-methoxy-2-(di-n-propylamino)tetralin: RN given refers to parent cpd without isomeric designation | 2.44 | 2 | 0 | | |
rs 127445 2-amino-4-(4-fluoronaphth-1-yl)-6-isopropylpyrimidine: a 5-HT(2B) receptor antagonist; structure in first source | 2.02 | 1 | 0 | | |
fe(iii)-edta Fe(III)-EDTA: iron fortifying agent; RN given refers to parent cpd | 1.96 | 1 | 0 | iron coordination entity | |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 4.87 | 6 | 0 | | |
lupeol [no description available] | 2.17 | 1 | 0 | pentacyclic triterpenoid; secondary alcohol | anti-inflammatory drug; plant metabolite |
acetylstrophanthidin acetylstrophanthidin: structure. acetylstrophanthidin : An acetate ester that is strophanidin acetylated at the 3beta-hydroxy group. | 6.93 | 1 | 0 | acetate ester | anti-arrhythmia drug |
ibogaine Ibogaine: One of several indole alkaloids extracted from Tabernanthe iboga, Baill. It has a complex pharmacological profile, and interacts with multiple systems of neurotransmission. Ibogaine has psychoactive properties and appears to modulate tolerance to opiates.. ibogaine : An organic heteropentacyclic compound that is ibogamine in which the indole hydrogen para to the indole nitrogen has been replaced by a methoxy group. | 7.1 | 1 | 0 | | |
2-oxindole 2-oxindole: RN given refers to parent cpd; structure. indolin-2-one : An indolinone carrying an oxo group at position 2. | 2.04 | 1 | 0 | gamma-lactam; indolinone | |
indole-3-acetonitrile indole-3-acetonitrile: occurs in edible cruciferous vegetables. indole-3-acetonitrile : A nitrile that is acetonitrile where one of the methyl hydrogens is substituted by a 1H-indol-3-yl group. | 2.52 | 2 | 0 | indoles; nitrile | auxin; human xenobiotic metabolite; plant hormone; plant metabolite |
harmicine harmicine: structure in first source | 2.17 | 1 | 0 | | |
crinine crinine: structure in first source | 2.17 | 1 | 0 | alkaloid | |
dihydropyridines Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 7 | 1 | 0 | | |
mevalonic acid Mevalonic Acid: A dihydroxy monocarboxylic acid and precursor in the biosynthetic pathway known as the mevalonate pathway, which produces terpenes and steroids that are vital for diverse cellular functions.. mevalonic acid : A racemate composed of equimolar amounts of (R)- and (S)-mevalonic acid.. (R)-mevalonic acid : The (R)-enantiomer of mevalonic acid. | 1.98 | 1 | 0 | 3,5-dihydroxy-3-methylpentanoic acid | |
naringenin (S)-naringenin : The (S)-enantiomer of naringenin. | 2.05 | 1 | 0 | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
5-hydroxytryptophan hydroxytryptophan : A hydroxy-amino acid that is tryptophan substituted by at least one hydroxy group at unspecified position.. 5-hydroxy-L-tryptophan : The L-enantiomer of 5-hydroxytryptophan. | 2.48 | 2 | 0 | 5-hydroxytryptophan; amino acid zwitterion; hydroxy-L-tryptophan; non-proteinogenic L-alpha-amino acid | human metabolite; mouse metabolite; 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. | 2.37 | 2 | 0 | heterodetic cyclic peptide; peptide hormone | oxytocic; vasodilator agent |
tryptophanamide tryptophanamide: used as inhibitor of chymotrypsin; RN given refers to cpd with unspecified isomeric designation. L-tryptophanamide : An amino acid amide that is the carboxamide of L-tryptophan. | 2.03 | 1 | 0 | amino acid amide; tryptophan derivative | human 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. | 2.66 | 3 | 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 |
taxifolin (+)-taxifolin : A taxifolin that has (2R,3R)-configuration. | 2.05 | 1 | 0 | taxifolin | metabolite |
n'-formylkynurenine N'-formylkynurenine: a photochemical breakdown product of tryptophan in proteins; RN given refers to parent cpd without isomeric designation | 2.11 | 1 | 0 | amino acid zwitterion; N-formylkynurenine; non-proteinogenic amino acid derivative; non-proteinogenic L-alpha-amino acid | human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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 | |
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. | 2.42 | 2 | 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. | 1.97 | 1 | 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. | 2.13 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; carbapenemcarboxylic acid; organic sulfide; pyrrolidinecarboxamide | antibacterial agent; antibacterial drug; drug allergen |
2,5-dihydrophenylalanine 2,5-dihydrophenylalanine: structure | 3.21 | 1 | 0 | non-proteinogenic L-alpha-amino acid | |
norpseudoephedrine norpseudoephedrine: major metabolite of diethylpropion in man under acidic urine conditions; RN given refers to cpd without isomeric designation;. cathine : An amphetamine that is propylbenzene substituted by a hydroxy group at position 1 and by an amino group at position 2 (the 1S,2S-stereoisomer). | 2.15 | 1 | 0 | amphetamines; phenethylamine alkaloid | central nervous system stimulant; plant metabolite; psychotropic drug |
indican [no description available] | 2.07 | 1 | 0 | beta-D-glucoside; exopolysaccharide; indolyl carbohydrate | |
micheliolide micheliolide: has antineoplastic activity; structure in first source | 2.17 | 1 | 0 | sesquiterpene lactone | |
picrotoxinin [no description available] | 1.96 | 1 | 0 | epoxide; gamma-lactone; organic heteropentacyclic compound; picrotoxane sesquiterpenoid; tertiary alcohol | GABA antagonist; plant metabolite; serotonergic antagonist |
sb 221284 SB 221284: 5-HT(2C/2B) receptor antagonist; structure in first source | 2.02 | 1 | 0 | indolyl carboxylic acid | |
pancracine pancracine: structure in first source | 2.17 | 1 | 0 | isoquinoline alkaloid fundamental parent; isoquinoline alkaloid | |
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. | 2.9 | 4 | 0 | ergot alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound; primary alcohol; secondary amino compound; tertiary amino compound | diagnostic agent; fungal metabolite; oxytocic; toxin |
acetyl coenzyme a Acetyl Coenzyme A: Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. | 3.78 | 11 | 0 | acyl-CoA | acyl donor; coenzyme; effector; fundamental metabolite |
e-z cinnamic acid cinnamic acid : A monocarboxylic acid that consists of acrylic acid bearing a phenyl substituent at the 3-position. It is found in Cinnamomum cassia.. trans-cinnamic acid : The E (trans) isomer of cinnamic acid | 2.17 | 1 | 0 | cinnamic acid | plant metabolite |
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 | |
resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.05 | 1 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
ferulic acid ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.81 | 3 | 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. | 3.98 | 4 | 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 |
zeatin Zeatin: An aminopurine factor in plant extracts that induces cell division. (Grant & Hackh's Chemical Dict, 5th ed) | 1.96 | 1 | 0 | zeatin | plant metabolite |
iridoids Iridoids: A type of MONOTERPENES, derived from geraniol. They have the general form of cyclopentanopyran, but in some cases, one of the rings is broken as in the case of secoiridoid. They are different from the similarly named iridals (TRITERPENES). | 4.73 | 9 | 0 | | |
shikonin shikonin: a naphthazarin; has antineoplastic and angiogenesis inhibiting activities | 3.12 | 1 | 0 | hydroxy-1,4-naphthoquinone | |
11-mercaptoundecanoic acid [no description available] | 2.13 | 1 | 0 | | |
3-coumaric acid 3-coumaric acid: RN given refers to cpd without isomeric designation in Chemline. trans-3-coumaric acid : A 3-coumaric acid that is phenol substituted with trans-2-propenoic acid at position C-3.. 3-coumaric acid : A monohydroxycinnamic acid in which the hydroxy substituent is located at C-3 of the phenyl ring. | 2.05 | 1 | 0 | 3-coumaric acid | |
geraniol [no description available] | 2.69 | 3 | 0 | 3,7-dimethylocta-2,6-dien-1-ol; monoterpenoid; primary alcohol | allergen; fragrance; plant metabolite; volatile oil component |
glycosides [no description available] | 2.01 | 1 | 0 | | |
chalcone trans-chalcone : The trans-isomer of chalcone. | 2.05 | 1 | 0 | chalcone | EC 3.2.1.1 (alpha-amylase) inhibitor |
piperine piperine : A N-acylpiperidine that is piperidine substituted by a (1E,3E)-1-(1,3-benzodioxol-5-yl)-5-oxopenta-1,3-dien-5-yl group at the nitrogen atom. It is an alkaloid isolated from the plant Piper nigrum. | 2.17 | 1 | 0 | benzodioxoles; N-acylpiperidine; piperidine alkaloid; tertiary carboxamide | food component; human blood serum metabolite; NF-kappaB inhibitor; plant metabolite |
trichodermamide b trichodermamide B: from cultures of the marine-derived fungus Trichoderma virens; structure in first source | 2.17 | 1 | 0 | | |
rauwolscine Rauwolscine: A stereoisomer of yohimbine. | 2.68 | 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 | 1 | 0 | vasopressin | cardiovascular drug; hematologic agent; mitogen |
etorphine [no description available] | 1.96 | 1 | 0 | alcohol; morphinane alkaloid | opioid analgesic; opioid receptor agonist; sedative |
polidocanol Polidocanol: An alkyl polyglycol ether of LAURYL ALCOHOL, chemically defined as an alcohol ethoxylate having an average alkyl chain of 12–14 carbon atoms, and an ethylene oxide chain of 9 ethylene oxide units. It is used as a detergent, and medically as a local anesthetic, and as a sclerosing agent for the treatment of ESOPHAGEAL AND GASTRIC VARICES and VARICOSE VEINS.. polidocanol : A hydroxypolyether that is nonaethylene glycol in which one of the terminal hydroxy functions is substituted by a lauryl (dodecyl) group. | 1.97 | 1 | 0 | hydroxypolyether | hepatotoxic agent; nonionic surfactant; sclerotherapy agent |
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. | 2.38 | 2 | 0 | indolyl carboxylic acid | |
n-octyl-beta-d-thioglucopyranoside n-octyl-beta-D-thioglucopyranoside: new non-ionic detergent that is more stable than n-octyl-beta-D-glucopyranoside | 2 | 1 | 0 | S-glycosyl compound | |
chlorprothixene Chlorprothixene: A thioxanthine with effects similar to the phenothiazine antipsychotics.. (Z)-chlorprothixene : A chlorprothixene in which the double bond adopts a (Z)-configuration. | 2.37 | 2 | 0 | chlorprothixene | |
alpha-methyltryptophan, (l)-isomer [no description available] | 1.93 | 1 | 0 | | |
1-methyltryptophan 1-methyltryptophan: an immunomodulator. 1-methyltryptophan : A tryptophan derivative that is tryptophan carrying a single methyl substituent at position 1 on the indole. | 3.65 | 2 | 0 | indolyl carboxylic acid | |
caffeic acid trans-caffeic acid : The trans-isomer of caffeic acid. | 2.21 | 1 | 0 | caffeic acid | geroprotector; mouse metabolite |
n-acetyltryptophan N-acetyl-L-tryptophan : A N-acetyl-L-amino acid that is the N-acetyl derivative of L-tryptophan. | 2.11 | 1 | 0 | L-tryptophan derivative; N-acetyl-L-amino acid | metabolite |
cotinine Cotinine: The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to tobacco SMOKING. It has CNS stimulating properties.. (-)-cotinine : An N-alkylpyrrolidine that consists of N-methylpyrrolidinone bearing a pyridin-3-yl substituent at position C-5 (the 5S-enantiomer). It is an alkaloid commonly found in Nicotiana tabacum. | 2 | 1 | 0 | N-alkylpyrrolidine; pyridines; pyrrolidin-2-ones; pyrrolidine alkaloid | antidepressant; biomarker; human xenobiotic metabolite; plant metabolite |
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 |
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. | 1.96 | 1 | 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. | 1.96 | 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. | 1.96 | 1 | 0 | diarylmethane; N-alkylpiperazine; olefinic compound | anti-allergic agent; antiemetic; calcium channel blocker; geroprotector; H1-receptor antagonist; histamine antagonist; muscarinic antagonist |
sulindac Sulindac: A sulfinylindene derivative prodrug whose sulfinyl moiety is converted in vivo to an active NSAID analgesic. Specifically, the prodrug is converted by liver enzymes to a sulfide which is excreted in the bile and then reabsorbed from the intestine. This helps to maintain constant blood levels with reduced gastrointestinal side effects.. sulindac : A monocarboxylic acid that is 1-benzylidene-1H-indene which is substituted at positions 2, 3, and 5 by methyl, carboxymethyl, and fluorine respectively, and in which the phenyl group of the benzylidene moiety is substituted at the para position by a methylsulfinyl group. It is a prodrug for the corresponding sulfide, a non-steroidal anti-inflammatory drug, used particularly in the treatment of acute and chronic inflammatory conditions. | 2.05 | 1 | 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 |
thiobarbituric acid thiobarbituric acid: RN given refers to parent cpd. 2-thiobarbituric acid : A barbiturate, the structure of which is that of barbituric acid in which the oxygen at C-2 is replaced by sulfur. | 1.97 | 1 | 0 | barbiturates | allergen; reagent |
tempo TEMPO: structure. TEMPO : A member of the class of aminoxyls that is piperidine that carries an oxidanediyl group at position 1 and methyl groups at positions 2, 2, 6, and 6, respectively. | 2.05 | 1 | 0 | aminoxyls; piperidines | catalyst; ferroptosis inhibitor; radical scavenger |
tamoxifen [no description available] | 1.96 | 1 | 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 |
nadp [no description available] | 1.98 | 1 | 0 | | |
1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.25 | 1 | 0 | | |
methyl-thiohydantoin-tryptophan methyl-thiohydantoin-tryptophan: structure in first source | 4.16 | 2 | 0 | organonitrogen compound; organooxygen compound | |
rhyncophylline rhyncophylline: an oxindole; RN given refers to (7beta,16E,20alpha)-isomer | 2.08 | 1 | 0 | | |
helvolic acid helvolic acid: structure. helvolic acid : A steroid C-21 acid having a 29-nordammarane skeleton substituted with an acetoxy group at C-16 and oxo groups at C-3 and -7, with double bonds at C-1, -17(20) and -24. | 2.17 | 1 | 0 | 3-oxo-Delta(1) steroid; acetate ester; monocarboxylic acid; steroid acid | antibacterial agent; fungal metabolite; mycotoxin |
mitragynine [no description available] | 2.17 | 1 | 0 | monoterpenoid indole alkaloid | |
ly 53857 [no description available] | 2.39 | 2 | 0 | | |
brassinin [no description available] | 2.07 | 1 | 0 | dithiocarbamic ester; indole phytoalexin | |
tryptophan tryptophylquinone tryptophan tryptophylquinone: prosthetic group of the quinoprotein methylamine dehydrogenase; structure given in first source | 2 | 1 | 0 | | |
sk&f 10047 [no description available] | 2.15 | 1 | 0 | | |
paynantheine paynantheine: structure in first source | 2.17 | 1 | 0 | | |
ro 60-0175 (2S)-1-(6-chloro-5-fluoroindol-1-yl)-propan-2-amine : A 1-(6-chloro-5-fluoroindol-1-yl)-propan-2-amine that has S configuration. A selective agonist for both the 5-hydroxytryptamine 2B (5-HT2B) and 5-hydroxytryptamine 2C (5-HT2C)serotonin receptor subtypes, commonly used as fumarate salt. | 2.02 | 1 | 0 | 1-(6-chloro-5-fluoroindol-1-yl)-propan-2-amine | 5-hydroxytryptamine 2B receptor agonist; 5-hydroxytryptamine 2C receptor agonist |
rasagiline [no description available] | 2.37 | 2 | 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 | | |
2-(2-benzofuranyl)-2-imidazoline 2-(2-benzofuranyl)-2-imidazoline: structure given in first source | 2 | 1 | 0 | benzofurans | |
mastoparan b mastoparan B: amino acid sequence given in first source; isolated from the wasp Vespa basalis | 1.99 | 1 | 0 | | |
perophoramidine perophoramidine: from the Philippine ascidian Perophora namei; structure in first source | 2.03 | 1 | 0 | | |
7-chlorotryptophan 7-chlorotryptophan: RN given refers to (DL)-isomer. 7-chloro-L-tryptophan : An L-tryptophan derivative having a chloro substituent at the 7-position.. 7-chlorotryptophan : A tryptophan derivative having a chloro substituent at the 7-position of the indole ring. | 2.06 | 1 | 0 | 7-chlorotryptophan; amino acid zwitterion; L-tryptophan derivative; non-proteinogenic L-alpha-amino acid | |
5-methoxy-3-(di-n-propylamino)chroman 5-methoxy-3-(di-n-propylamino)chroman: labels central 5-HT receptor binding sites | 1.99 | 1 | 0 | | |
chimonanthine chimonanthine: structure in first source. chimonanthine : A ring assembly that is 2,2',3,3',8,8',8a,8a'-octahydro-1H,1'H-3a,3a'-bipyrrolo[2,3-b]indole substituted by methyl groups at positions 1 and 1'. | 2.51 | 2 | 0 | chimonanthine | |
bacillomycin d bacillomycin D: from strain of Bacillus subtilis; contains lipid moiety which is mixture of 3-amino-12-methyltridecanoic acid (40%) & 3-amino-12-methyltetradecanoic acid (60%) & peptide moiety: L-Asp(1), L-Glu(1), L-Pro(1), D-Ser(1), L-Thr(1) & D-Tyr(1); two moieties joined by threonyl beta-aminoacid linkage; see also bacillomycin L & bacillomycin S | 2.01 | 1 | 0 | | |
sb 258585 SB 258585: is a high affinity ligand at 5-HT(6) receptors; structure in first source | 2.04 | 1 | 0 | piperazines | |
n-(1-methyl-5-indolyl)-n'-(3-methyl-5-isothiazolyl)urea N-(1-methyl-5-indolyl)-N'-(3-methyl-5-isothiazolyl)urea: a 5-HT(2B) receptor antagonist; structure given in first source. 1-(1-methylindol-5-yl)-3-(3-methyl-1,2-thiazol-5-yl)urea : A member of ther class of ureas that is urea in which a hydrogen attached to one of the nitrogens has been replaced by an N-methylindol-5-yl group, while a hydrogen attached to the other nitrogen has been replaced by a 3-methyl-1,2-thiazol-5-yl group. It is a potent and selective antagonist for the 5-hydroxytryptamine 2B (5-HT2B) receptor. | 2.02 | 1 | 0 | 1,2-thiazoles; indoles; ureas | receptor modulator; serotonergic antagonist |
sb-224289 SB 224289 : A member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid with the secondary amino group of 1'-methyl-6,7-dihydro-5H-spiro[furo[2,3-f]indole-3,4'-piperidine]. Selective 5-HT1B receptor antagonist (pKi = 8.2). Displays >60-fold selectivity over 5-HT1D, 5-HT1A, 5-HT1E, 5-HT1F, 5-HT2A and 5-HT2C receptors in radioligand binding and functional assays. Centrally active following oral administration in vivo. | 2.02 | 1 | 0 | 1,2,4-oxadiazole; azaspiro compound; benzamides; organic heterotetracyclic compound | serotonergic antagonist |
sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 2 | 1 | 0 | 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 | 2.02 | 1 | 0 | | |
rs 102221 [no description available] | 2.02 | 1 | 0 | aromatic ketone | |
naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 3.53 | 2 | 0 | | |
bw 723c86 [no description available] | 2.02 | 1 | 0 | tryptamines | |
3-deoxyisoochracinic acid 3-deoxyisoochracinic acid: structure in first source | 2.17 | 1 | 0 | | |
quercetin [no description available] | 2.05 | 1 | 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 |
dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.4 | 2 | 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. | 1.96 | 1 | 0 | monocarboxylic acid; prostaglandins Falpha | human metabolite; mouse 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. | 2.05 | 1 | 0 | trihydroxyflavone | antineoplastic agent; 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. | 7.04 | 1 | 0 | epoxy monocarboxylic acid; thromboxanes A | mouse metabolite |
luteolin-7-glucoside luteolin-7-glucoside: has both antiasthmatic and antineoplastic activities; has 3C protease inhibitory activity; isolated from Ligustrum lucidum. luteolin 7-O-beta-D-glucoside : A glycosyloxyflavone that is luteolin substituted by a beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.17 | 1 | 0 | beta-D-glucoside; glycosyloxyflavone; monosaccharide derivative; trihydroxyflavone | antioxidant; plant metabolite |
alprostadil [no description available] | 1.96 | 1 | 0 | prostaglandins E | anticoagulant; human metabolite; platelet aggregation inhibitor; vasodilator agent |
rutin Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.17 | 1 | 0 | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
kaempferol [no description available] | 2.05 | 1 | 0 | 7-hydroxyflavonol; flavonols; tetrahydroxyflavone | antibacterial agent; geroprotector; human blood serum metabolite; human urinary metabolite; human xenobiotic metabolite; plant 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. | 3.25 | 6 | 0 | harmala alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; metabolite |
genistein [no description available] | 2.05 | 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 |
jasmonic acid jasmonic acid: a derivative of alpha-linolenic acid that has a role in plant response to herbivory analogous to the role of prostanoids in inflammation in mammals;. jasmonic acid : An oxo monocarboxylic acid that is (3-oxocyclopentyl)acetic acid substituted by a (2Z)-pent-2-en-1-yl group at position 2 of the cyclopentane ring. | 3.27 | 1 | 0 | oxo monocarboxylic acid | jasmonates; plant metabolite |
harman harman: a beta-carboline; RN given refers to parent cpd; structure. harman : An indole alkaloid fundamental parent with a structure of 9H-beta-carboline carrying a methyl substituent at C-1. It has been isolated from the bark of Sickingia rubra, Symplocus racemosa, Passiflora incarnata, Peganum harmala, Banisteriopsis caapi and Tribulus terrestris, as well as from tobacco smoke. It is a specific, reversible inhibitor of monoamine oxidase A. | 2.38 | 2 | 0 | harmala alkaloid; indole alkaloid fundamental parent; indole alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
baicalein [no description available] | 2.17 | 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 |
fisetin [no description available] | 2.17 | 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 |
myricetin [no description available] | 2.05 | 1 | 0 | 7-hydroxyflavonol; hexahydroxyflavone | antineoplastic agent; antioxidant; cyclooxygenase 1 inhibitor; food component; geroprotector; hypoglycemic agent; plant metabolite |
wogonin wogonin: structure in first source. wogonin : A dihydroxy- and monomethoxy-flavone in which the hydroxy groups are positioned at C-5 and C-7 and the methoxy group is at C-8. | 2.17 | 1 | 0 | dihydroxyflavone; monomethoxyflavone | angiogenesis inhibitor; antineoplastic agent; cyclooxygenase 2 inhibitor; plant metabolite |
rosmarinic acid rosmarinic acid: RN given refers to parent cpd; promote OT project. (R)-rosmarinic acid : A stereoisomer of rosmarinic acid having (R)-configuration.. rosmarinic acid : The 1-carboxy-2-(2,4-dihydroxyphenyl)ethyl ester of trans-caffeic acid. | 2.05 | 1 | 0 | rosmarinic acid | geroprotector; plant metabolite |
ellagic acid [no description available] | 2.05 | 1 | 0 | catechols; cyclic ketone; lactone; organic heterotetracyclic compound; polyphenol | antioxidant; EC 1.14.18.1 (tyrosinase) inhibitor; EC 2.3.1.5 (arylamine N-acetyltransferase) inhibitor; EC 2.4.1.1 (glycogen phosphorylase) inhibitor; EC 2.5.1.18 (glutathione transferase) inhibitor; EC 2.7.1.127 (inositol-trisphosphate 3-kinase) inhibitor; EC 2.7.1.151 (inositol-polyphosphate multikinase) inhibitor; EC 2.7.4.6 (nucleoside-diphosphate kinase) inhibitor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; food additive; fungal metabolite; geroprotector; plant metabolite; skin lightening agent |
flupenthixol cis-flupenthixol : A flupenthixol in which the double bond adopts a cis-configuration. | 1.96 | 1 | 0 | flupenthixol | dopaminergic antagonist |
4-acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid: A non-penetrating amino reagent (commonly called SITS) which acts as an inhibitor of anion transport in erythrocytes and other cells. | 1.97 | 1 | 0 | stilbenoid | |
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. | 1.96 | 1 | 0 | N-alkylpyrrolidine; olefinic compound; pyridines | H1-receptor antagonist |
granisetron Granisetron: A serotonin receptor (5HT-3 selective) antagonist that has been used as an antiemetic for cancer chemotherapy patients.. granisetron : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of 1-methyl-1H-indazole-3-carboxylic acid with the primary amino group of (3-endo)-9-methyl-9-azabicyclo[3.3.1]nonan-3-amine. A selective 5-HT3 receptor antagonist, it is used (generally as the monohydrochloride salt) to manage nausea and vomiting caused by cancer chemotherapy and radiotherapy, and to prevent and treat postoperative nausea and vomiting. | 2.04 | 1 | 0 | aromatic amide; indazoles | |
naloxone Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.. naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. | 2.05 | 1 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary alcohol | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
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. | 1.94 | 1 | 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 |
xylulose [no description available] | 2.03 | 1 | 0 | xylulose | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
upf 596 UPF 596: structure in first source | 2.04 | 1 | 0 | | |
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. | 2.45 | 2 | 0 | | |
cytochalasin b Cytochalasin B: A cytotoxic member of the CYTOCHALASINS.. cytochalasin B : An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments. | 2.17 | 1 | 0 | cytochalasin; lactam; lactone; organic heterotricyclic compound | actin polymerisation inhibitor; metabolite; mycotoxin; platelet aggregation inhibitor |
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. | 1.97 | 1 | 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 | |
sb 258719 [no description available] | 3.31 | 1 | 0 | | |
1,2-oleoylphosphatidylcholine 1,2-oleoylphosphatidylcholine: RN given refers to (Z,Z)-isomer. dioleoyl phosphatidylcholine : A phosphatidylcholine in which the phosphatidyl acyl groups are both oleoyl. | 2.13 | 1 | 0 | phosphatidylcholine(1+) | |
kaempferol 3-o-rhamnoside kaempferol 3-O-rhamnoside: from apple (Malus domestica) leaves; structure in first source. afzelin : A glycosyloxyflavone that is kaempferol attached to an alpha-L-rhamnosyl residue at position 3 via a glycosidic linkage. | 2.17 | 1 | 0 | glycosyloxyflavone; monosaccharide derivative; trihydroxyflavone | anti-inflammatory agent; antibacterial agent; plant metabolite |
5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one 5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one: isolated from the Chinese herb Scutellariae radix. oroxylin A : A dihydroxy- and monomethoxy-flavone in which the hydroxy groups are positioned at C-5 and C-7 and the methoxy group is at C-6. | 2.17 | 1 | 0 | dihydroxyflavone; monomethoxyflavone | antineoplastic agent; EC 1.14.13.39 (nitric oxide synthase) inhibitor |
diferuloylputrescine diferuloylputrescine: structure in first source | 2.05 | 1 | 0 | hydroxycinnamic acid | |
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. | 2.39 | 2 | 0 | (trifluoromethyl)benzenes; 5-methoxyvalerophenone O-(2-aminoethyl)oxime | antidepressant; anxiolytic drug; serotonin uptake inhibitor |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.17 | 1 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
tin [no description available] | 1.94 | 1 | 0 | carbon group element atom; elemental tin; metal atom | micronutrient |
indoleacrylic acid indoleacrylic acid: Russian drug; natural auxin from lentil roots; RN given refers to parent cpd without isomeric designation | 1.99 | 1 | 0 | | |
indium Indium: A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.. indium atom : A metallic element first identified and named from the brilliant indigo (Latin indicum) blue line in its flame spectrum. | 7.08 | 1 | 0 | boron group element atom | |
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. | 1.99 | 1 | 0 | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene | antitussive; environmental contaminant; neurotoxin; NMDA receptor antagonist; oneirogen; prodrug; xenobiotic |
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) | 1.96 | 1 | 0 | styrenes | |
radicinin radicinin: mold metabolite from plant pathogen Stemphylium radicinum; RN given refers to (2S-(2alpha,3beta,7E))-isomer; structure | 2.17 | 1 | 0 | aromatic ketone | |
3,4',5-trimethoxystilbene 3,4',5-trimethoxystilbene: structure in first source | 2.05 | 1 | 0 | | |
calycanthine calycanthine: the principal alkaloid of the plant family Calycanthaceae; RN given refers to (4bS)-(4balpha,5alpha,10balpha,11alpha)-isomer. calycanthine : The principal alkaloid of the plant family Calycanthaceae. | 2.17 | 1 | 0 | aminal; calycanthaceous alkaloid; organonitrogen heterocyclic compound | |
catharanthine [no description available] | 2.44 | 2 | 0 | alkaloid ester; bridged compound; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | |
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. | 1.97 | 1 | 0 | cysteinium | fundamental metabolite |
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. | 3.98 | 4 | 0 | aryl sulfide; cinnamamides; secondary carboxamide; tertiary amino compound | anticoronaviral agent; antiviral agent; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor |
xanthoepocin Xanthoepocin: an antibiotic from Penicillium simplicissimum IFO5762; structure in first source | 2.17 | 1 | 0 | | |
guanabenz Guanabenz: An alpha-2 selective adrenergic agonist used as an antihypertensive agent. | 1.96 | 1 | 0 | dichlorobenzene | |
famotidine [no description available] | 2.05 | 1 | 0 | 1,3-thiazoles; guanidines; sulfonamide | anti-ulcer drug; H2-receptor antagonist; P450 inhibitor |
cefotaxime Cefotaxime: Semisynthetic broad-spectrum cephalosporin.. cefotaxime : A cephalosporin compound having acetoxymethyl and [2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side groups. | 2.13 | 1 | 0 | 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; drug allergen |
aztreonam [no description available] | 2.13 | 1 | 0 | beta-lactam antibiotic allergen; monobactam | antibacterial drug; drug allergen; EC 2.4.1.129 (peptidoglycan glycosyltransferase) inhibitor |
ammonium sulfate Ammonium Sulfate: Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins.. ammonium sulfate : An inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia. A high-melting (decomposes above 280degreeC) white solid which is very soluble in water (70.6 g/100 g water at 0degreeC; 103.8 g/100 g water at 100degreeC), it is widely used as a fertilizer for alkaline soils. | 1.98 | 1 | 0 | ammonium salt; inorganic sulfate salt | fertilizer |
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 | | |
phenyl-3-methoxy-4-hydroxystyryl ketone phenyl-3-methoxy-4-hydroxystyryl ketone: structure given in first source | 2.05 | 1 | 0 | | |
4,4'-diisothiocyanostilbene-2,2'-disulfonic acid 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid: An inhibitor of anion conductance including band 3-mediated anion transport. | 1.97 | 1 | 0 | | |
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. | 2.39 | 2 | 0 | azatetracycloalkane; oxatetracycloalkane; quinazoline alkaloid | animal metabolite; bacterial metabolite; marine metabolite; neurotoxin; voltage-gated sodium channel blocker |
raubasine raubasine: RN given refers to (19alpha)-isomer; structure | 2.69 | 3 | 0 | yohimban alkaloid | |
dizocilpine maleate Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 2 | 1 | 0 | maleate salt; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
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 | | |
ly 53857 LY 53857: RN given refers to maleate[1:1](8beta)-isomer | 1.99 | 1 | 0 | | |
1,1'-((4,4,7,7-tetramethyl)-4,7-diazaundecamethylene)bis-4-(3-methyl-2,3-dihydro(benzo-1,3-oxazole)-2-methylidine)quinolinium, tetraiodide 1,1'-((4,4,7,7-tetramethyl)-4,7-diazaundecamethylene)bis-4-(3-methyl-2,3-dihydro(benzo-1,3-oxazole)-2-methylidene)quinolinium: non-fluorescent in solution but forms highly fluorescent complex with double-stranded DNA; RN refers to the tetraiodide compound | 2.06 | 1 | 0 | cyanine dye; organic iodide salt | fluorochrome |
2-(3,4-dimethoxyphenyl)-3-fluoroallylamine 2-(3,4-dimethoxyphenyl)-3-fluoroallylamine: structure & RN from first source; RN given refers to (E)-isomer | 1.96 | 1 | 0 | | |
herboxidiene herboxidiene: structure in first source; isolated from Streptomyces chromofuscus; a potent and selective herbicide (e.g. inactive against wheat); up-regulates the gene expression of LDL receptor | 2.17 | 1 | 0 | | |
i(3)so3-galactosylceramide Sulfoglycosphingolipids: GLYCOSPHINGOLIPIDS with a sulfate group esterified to one of the sugar groups.. 1-(3-O-sulfo-beta-D-galactosyl)-N-tetracosanoylsphingosine : A D-galactosyl-N-acylsphingosine having a sulfo group at the 3-position on the galactose ring and tetracosanoyl as the N-acyl group. | 1.97 | 1 | 0 | galactosylceramide sulfate; N-acyl-beta-D-galactosylsphingosine | |
(1Ar,7aS,10aS,10bS)-1a,5-dimethyl-8-methylidene-2,3,6,7,7a,8,10a,10b-octahydrooxireno[9,10]cyclodeca[1,2-b]furan-9(1aH)-one [no description available] | 2.17 | 1 | 0 | germacranolide | |
panduratin a panduratin A: isolated from Kaempferia pandurata; structure in first source | 2.17 | 1 | 0 | diarylheptanoid | metabolite |
1-methyl-d-lysergic acid butanolamide [no description available] | 3.51 | 2 | 0 | ergot alkaloid; monocarboxylic acid amide | serotonergic antagonist; sympatholytic agent; vasoconstrictor agent |
8-hydroxy-2-(di-n-propylamino)tetralin, (r)-isomer [no description available] | 2.15 | 1 | 0 | tetralins | |
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. | 2.05 | 1 | 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 | 3.31 | 1 | 0 | sulfonamide | |
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. | 2.38 | 2 | 0 | diamine; ergoline alkaloid; indole alkaloid fundamental parent; indole alkaloid; organic heterotetracyclic compound | |
(3S,6S,9S,12R)-3-[(2S)-Butan-2-yl]-6-[(1-methoxyindol-3-yl)methyl]-9-(6-oxooctyl)-1,4,7,10-tetrazabicyclo[10.4.0]hexadecane-2,5,8,11-tetrone [no description available] | 2.17 | 1 | 0 | oligopeptide | |
lergotrile lergotrile: RN given refers to parent cpd(8beta)-isomer | 1.98 | 1 | 0 | organic heterotetracyclic compound; organonitrogen heterocyclic compound | |
2-ethyl-5-methoxy-n,n-dimethyltryptamine 2-ethyl-5-methoxy-N,N-dimethyltryptamine: a 5-HT(6) receptor agonist; structure in first source | 2 | 1 | 0 | | |
5-methoxy-2-phenyl-n,n-dimethyltryptamine [no description available] | 2 | 1 | 0 | | |
ms-245 N,N-dimethyl-2-(1-(benzenesulfonyl)-5-methoxy-1H-indol-3-yl)ethylamine: a 5-HT(6) receptor ligand; structure in first source | 2.15 | 1 | 0 | | |
3-hydroxyphenylacetate [no description available] | 1.96 | 1 | 0 | hydroxy monocarboxylic acid anion | human xenobiotic metabolite |
tryptophanol tryptophanol: RN given refers to cpd without isomeric designation | 2.41 | 2 | 0 | | |
cyclo(glycyltryptophyl) cyclo(glycyltryptophyl): structure in first source | 2.03 | 1 | 0 | indoles | metabolite |
13-epi-sclareol 13-epi-sclareol: an unusual labdane diterpene from the roots of Coleus forskohlii with cell growth inhibitory action in breast and uterine cancers in vitro; structure in first source | 2.17 | 1 | 0 | | |
amesergide amesergide: structure given in first source | 2.39 | 2 | 0 | | |
4-iodo-2,5-dimethoxyphenylisopropylamine, (r)-isomer [no description available] | 3.8 | 3 | 0 | | |
sb258741 [no description available] | 3.31 | 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). | 2.11 | 1 | 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 |
3-iodothyronamine 3-iodothyronamine: a thyroid hormone derivative that may be involved in a fast response signaling pathway; structure in first source | 7.9 | 2 | 0 | aromatic ether | |
dimethoxycurcumin dimethoxycurcumin: has antineoplsatic activity; structure in first source | 2.05 | 1 | 0 | | |
6-chlorotryptophan 6-chlorotryptophan: RN given refers to cpd without isomeric designation. 6-chlorotryptophan : A tryptophan derivative that is tryptophan in which the hydrogen at position 6 of the indole ring has been replaced by a chlorine.. 6-chloro-L-tryptophan : A non-proteinogenic L-alpha-amino acid that is L-tryptophan in which the hydrogen at position 6 on the indole ring has been replaced by a chlorine. | 2.13 | 1 | 0 | L-alpha-amino acid zwitterion; L-tryptophan derivative; non-proteinogenic L-alpha-amino acid; organochlorine compound | |
fmrfamide FMRFamide: A molluscan neuroactive peptide which induces a fast excitatory depolarizing response due to direct activation of amiloride-sensitive SODIUM CHANNELS. (From Nature 1995; 378(6558): 730-3) | 6.96 | 1 | 0 | | |
chromafenozide chromafenozide: has partial ecdysone agonist activity; structure in first source | 2.03 | 1 | 0 | bisacylhydrazine insecticide | |
akuammicine akuammicine: from Strychnos sp;; structure in first source. akuammicine : A monoterpenoid indole alkaloid with formula C20H22N2O2, isolated from several plant species including Alstonia spatulata, Catharanthus roseus and Vinca major. | 2.17 | 1 | 0 | methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | plant metabolite |
eudistomin u eudistomin U: an alkaloid from the Carribean ascidian Lissoclinum fragile; structure given in first source | 2.02 | 1 | 0 | | |
strictosamide strictosamide: from Sarcocephalus latifolius; structure in first source | 2.15 | 1 | 0 | beta-carbolines | |
alpha-monofluoromethyldopa alpha-monofluoromethyldopa: structure given in third source; RN given refers to (DL)-isomer | 1.97 | 1 | 0 | | |
eugenosedin-a eugenosedin-A: antioxidant; protects against lipopolysaccharide-induced hypotension, hyperglycaemia and cytokine immunoreactivity in rats and mice | 2.02 | 1 | 0 | | |
15-acetyldeoxynivalenol 15-acetyldeoxynivalenol : A trichothecene mycotoxin that is deoxynivalenol acetylated on the oxygen at C-15. A skin and eye irritant, along with its 3-acetyl regioisomer and its parent deoxynivalenol it is considered among the most commonly and widely distributed cereal contaminants. | 2.13 | 1 | 0 | trichothecene | epitope; mycotoxin |
hermitamide b hermitamide B: isolated from Lyngbya majuscula; structure in first source | 2.17 | 1 | 0 | | |
trans-delta-tocotrienoloic acid tocotrienoloic acid: from leaves of Tovomitopsis psychotriifolia; structure given in first source | 2.17 | 1 | 0 | tocotrienol | |
nodulisporic acid a nodulisporic acid A: a novel indole diterpene insecticide; structure in first source | 2.17 | 1 | 0 | | |
kapakahine f kapakahine F: from the marine sponge Cribrochalina olemda; structure in first source | 2.05 | 1 | 0 | | |
cyclo(tyrosyl-tyrosyl) cyclo(L-tyrosyl-L-tyrosyl) : A cyclo(tyrosyl-tyrosyl) in which both stereocentres have L-configuration. Synthesized by Mycobacterium tuberculosis. | 2.03 | 1 | 0 | cyclo(tyrosyl-tyrosyl) | metabolite |
ditryptophenaline ditryptophenaline: structure in first source | 2.11 | 1 | 0 | | |
veratridine Veratridine: A benzoate-cevane found in VERATRUM and Schoenocaulon. It activates SODIUM CHANNELS to stay open longer than normal. | 1.96 | 1 | 0 | | |
scopadulcic acid b scopadulcic acid B: isolated from Scorparia dulcis | 2.17 | 1 | 0 | | |
2,5-dimethoxy-4-methylamphetamine, (r)-isomer [no description available] | 3.06 | 1 | 0 | | |
gliocladin c gliocladin C: structure in first source | 2.17 | 1 | 0 | | |
zincophorin zincophorin: 25 carbon polypropionate from Streptomyces griseus; griseochelin and M 144255 are the same monocarboxylic acid ionophore | 2.17 | 1 | 0 | pyrans | bacterial metabolite; ionophore |
streptazolin streptazolin: from culture of Streptomyces sp.; structure in first source | 2.17 | 1 | 0 | | |
chatancin chatancin: structure in first source | 2.17 | 1 | 0 | | |
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. | 2.04 | 1 | 0 | benzoxazole | |
scopolamine hydrobromide [no description available] | 2.39 | 2 | 0 | | |
pituitrin Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 2.05 | 1 | 0 | | |
morelloflavone morelloflavone: also inhibits cruzain; RN given for (2S-trans)-isomer; structure in first source. (+)-morelloflavone : A biflavonoid found in Rheedia edulis and Garcinia livingstonei. | 2.17 | 1 | 0 | biflavonoid; hydroxyflavanone; hydroxyflavone | plant metabolite |
hexahydroindolinone hexahydroindolinone: structure in first source | 2.03 | 1 | 0 | | |
cinnamosmolide cinnamosmolide: isolated from several species of Canellaceae family; structure in first source | 2.17 | 1 | 0 | | |
2,5-dimethoxy-4-bromoamphetamine, (r)-isomer [no description available] | 3.51 | 2 | 0 | | |
15-deoxygoyazensolide 15-deoxygoyazensolide: an NSAID with schistossomicidal and trypanosomicidal activities; structure in first source | 2.17 | 1 | 0 | | |
murexide Murexide: 5,5'-Nitrilodibarbituric acid ammonium derivative. Used as an indicator for complexometric titrations. | 2.31 | 1 | 0 | | |
hypocrellin a hypocrellin A: isolated from fungus Hypocrella bambusae sacc | 2.07 | 1 | 0 | | |
mitragynine speciogynine: structure in first source | 2.17 | 1 | 0 | | |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.98 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
amodiaquine hydrochloride [no description available] | 2.05 | 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. | 2.38 | 2 | 0 | peptide hormone | |
ceca1 protein, drosophila [no description available] | 2.13 | 1 | 0 | | |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.68 | 3 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
chlorophyll a Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.13 | 1 | 0 | chlorophyll; methyl ester | cofactor |
k-strophanthin-beta strophanthin K: induces arrhythmias; see also K-strophanthin-beta | 1.93 | 1 | 0 | cardenolide glycoside; steroid aldehyde | |
spongia-13(16),14-dien-19-oic acid spongia-13(16),14-dien-19-oic acid : A tetracyclic diterpenoid that is 3b,4,5,5a,6,7,8,9,9a,9b,10,11-dodecahydrophenanthro[1,2-c]furan substituted by methyl groups at positions 3b, 6 and 9 and a carboxy group at position 6. Isolated from Spongia, it exhibits inhibitory activity against androgen receptor. | 2.17 | 1 | 0 | cyclic ether; monocarboxylic acid; tetracyclic diterpenoid | androgen antagonist; metabolite |
roquefortine [no description available] | 2.17 | 1 | 0 | pyrroloindole | |
3-(3,4-dihydroxyphenyl)lactate 3-(3,4-dihydroxyphenyl)lactate : A hydroxy monocarboxylic acid anion that is the conjugate base of 3-(3,4-dihydroxyphenyl)lactic acid; major species at pH 7.3. | 2.17 | 1 | 0 | hydroxy monocarboxylic acid anion | |
chitosan [no description available] | 3.14 | 1 | 0 | | |
sodium nitrite Sodium Nitrite: Nitrous acid sodium salt. Used in many industrial processes, in meat curing, coloring, and preserving, and as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines.. sodium nitrite : An inorganic sodium salt having nitrite as the counterion. Used as a food preservative and antidote to cyanide poisoning. | 1.96 | 1 | 0 | inorganic sodium salt; nitrite salt | antidote to cyanide poisoning; antihypertensive agent; antimicrobial food preservative; food antioxidant; poison |
2,5-dimethoxy-4-bromoamphetamine, (s)-isomer [no description available] | 3.06 | 1 | 0 | | |
bacillamide b bacillamide B: a tryptamide thiazole metabolite from a Bacillus endophyticus isolated from a Bahamian hypersaline microbial mat; structure in first source | 2.11 | 1 | 0 | | |
bacillamide c bacillamide C: a tryptamide thiazole metabolite from a Bacillus endophyticus isolated from a Bahamian hypersaline microbial mat; structure in first source | 2.5 | 2 | 0 | | |
methyl jasmonate [no description available] | 2.03 | 1 | 0 | | |
s-adenosylmethionine (R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 1.96 | 1 | 0 | organic cation; sulfonium compound | coenzyme; cofactor; human metabolite; micronutrient; Mycoplasma genitalium metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
marinopyrrole a marinopyrrole A: antibiotic from a marine Streptomyces sp.; structure in first source. (-)-marinopyrrole A : A member of the class of pyrroles that is 1'H-1,3'-bipyrrole substituted by four chloro groups at positions 4, 4', 5 and 5' and two 2-hydroxybenzoyl moieties at positions 2 and 2'. It is isolated from Streptomyces sp.CNQ-418 and exhibits cytotoxic and antibacterial activities. | 2.17 | 1 | 0 | aromatic ketone; organochlorine compound; phenols; pyrroles | antibacterial agent; antimicrobial agent; antineoplastic agent; bacterial metabolite; marine metabolite |
e-55888 [no description available] | 3.31 | 1 | 0 | | |
colletoic acid colletoic acid: an 11beta-hydroxysteroid dehydrogenase type 1 inhibitor from Colletotrichum gloeosporioides; structure in first source | 2.17 | 1 | 0 | | |
ipomoeassin f ipomoeassin F: a cytotoxic macrocyclic glycoresin from the leaves of Ipomoea squamosa from the Suriname rainforest | 2.17 | 1 | 0 | | |
vobasine vobasine: structure given in first source; RN given refers to parent cpd. vobasine : An indole alkaloid that is vobasan in which the bridgehead methyl group is substituted by a methoxycarbonyl group and an additional oxo substituent is present in the 3-position. | 7.1 | 1 | 0 | | |
piperidines Piperidines: A family of hexahydropyridines. | 5.06 | 10 | 1 | | |
6,8-dihydroxy-2,2,4,4-tetramethyl-7-(3-methylbutanoyl)-9-(2-methylpropyl)-9h-xanthene-1,3-dione [no description available] | 2.17 | 1 | 0 | xanthenes | |
7-hydroxymitragynine 7-hydroxymitragynine: an orally active opioid analgesic from the Thai medicinal herb Mitragyna speciosa; structure in first source | 2.17 | 1 | 0 | alkaloid | |
dorrigocin b dorrigocin B: isolated from the fermentation broth & mycelium of Streptomyces platensis; structure given in first source | 2.17 | 1 | 0 | | |
dorrigocin a dorrigocin A: isolated from the fermentation broth & mycelium of Streptomyces platensis; structure given in first source | 2.17 | 1 | 0 | | |
communesin b communesin B: from ethyl acetate extract of Penicillium sp., derived from the Mediterranean sponge Axinella verrucosa; structure in first source | 2.03 | 1 | 0 | | |
mephedrone mephedrone: a beta-keto (bk) designer drug; Central Nervous System Stimulants. mephedrone : An aromatic ketone that is propiophenone substituted at C-4 and at C-beta with methyl and methylamino groups respectively. It is a synthetic stimulant and entactogen drug of the amphetamine and cathinone classes. | 2.15 | 1 | 0 | amphetamines; aromatic ketone; secondary amino compound | environmental contaminant; xenobiotic |
methylone [no description available] | 2.04 | 1 | 0 | benzodioxoles | |
tatanan a tatanan A: from the rhizomes of Acorus tatarinowii Schott; structure in first source | 2.17 | 1 | 0 | | |
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). | 2.37 | 2 | 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. | 2.66 | 3 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening 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. | 2.05 | 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. | 2.05 | 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. | 1.96 | 1 | 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. | 1.96 | 1 | 0 | hydroxycoumarin | anticoagulant; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; Hsp90 inhibitor; vitamin K antagonist |
piroxicam [no description available] | 2.45 | 2 | 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 |
meclan [no description available] | 2.05 | 1 | 0 | | |
warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 2.93 | 4 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
rolitetracycline Rolitetracycline: A pyrrolidinylmethyl TETRACYCLINE.. rolitetracycline : A derivative of tetracycline in which the amide function is substituted with a pyrrolidinomethyl group. | 2.05 | 1 | 0 | | |
ilicicolin h ilicicolin H: structure in first source. ilicicolin H : An aromatic ketone in which the ketone carbonyl group is attached to a (1R,2R,4aS,7S,8aR)-4,7-dimethyl-1-[(1E)-prop-1-en-1-yl]-1,2,4a,5,6,7,8,8a-octahydronaphthalen-2-yl group and a 4-hydroxy-5-(4-hydroxyphenyl)-2-oxo-1,2-dihydropyridin-3-yl group. Isolated from the from the "imperfect" fungus Cylindrocladium iliciola strain MFC-870. | 2.17 | 1 | 0 | aromatic ketone; carbobicyclic compound; ilicicolin; monohydroxypyridine; octahydronaphthalenes; phenols; pyridone | antimicrobial agent; mitochondrial respiratory-chain inhibitor |
pityriacitrin pityriacitrin: the yeast Malassezia furfur; structure in first source | 2.02 | 1 | 0 | | |
tatanan b tatanan B: from the rhizomes of Acorus tatarinowii Schott; structure in first source | 2.17 | 1 | 0 | | |
gracilioether f gracilioether F: structure in first source | 2.17 | 1 | 0 | | |
cryptocaryol a cryptocaryol A: from Cryptocarya spp.; structure in first source. cryptocaryol A : A member of the class of 2-pyranones that is 5,6-dihydro-2H-pyran-2-one substituted by a 2,4,6,8,10-pentahydroxypentacosyl group at position 6. It has been isolated from Cryptocarya species. | 2.17 | 1 | 0 | 2-pyranones; pentol | plant metabolite |
kapakahine b kapakahine B: structure in first source | 2.05 | 1 | 0 | | |
imidacloprid (E)-imidacloprid : The E-isomer of imidacloprid. | 2.03 | 1 | 0 | imidacloprid; imidazolidines; monochloropyridine | environmental contaminant; genotoxin; neonicotinoid insectide; nicotinic acetylcholine receptor agonist; xenobiotic |
hyaluronoglucosaminidase Hyaluronoglucosaminidase: An enzyme that catalyzes the random hydrolysis of 1,4-linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate. (From Enzyme Nomenclature, 1992) There has been use as ANTINEOPLASTIC AGENTS to limit NEOPLASM METASTASIS. | 1.94 | 1 | 0 | | |
tetrahydroamentoflavone tetrahydroamentoflavone: isolated from Semecarpus anacardium; structure in first source | 2.17 | 1 | 0 | | |
gibberellins [no description available] | 1.96 | 1 | 0 | | |
lysergic acid lysergic acid : An ergoline alkaloid comprising 6-methylergoline having additional unsaturation at the 9,10-position and a carboxy group at the 8-position. | 7.36 | 2 | 0 | | |
n-(2-propynyl)-2-(5-benzyloxy-indolyl) methylamine N-(2-propynyl)-2-(5-benzyloxy-indolyl) methylamine: structure in first source | 2.02 | 1 | 0 | | |
apyrase Apyrase: A calcium-activated enzyme that catalyzes the hydrolysis of ATP to yield AMP and orthophosphate. It can also act on ADP and other nucleoside triphosphates and diphosphates. EC 3.6.1.5. | 2.21 | 1 | 0 | | |
iminoquinone iminoquinone: an electrophile; structure in first source | 2.44 | 2 | 0 | | |
guanosine triphosphate Guanosine Triphosphate: Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. | 1.97 | 1 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
guanine [no description available] | 2.41 | 2 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
hypoxanthine [no description available] | 2.01 | 1 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
sapropterin sapropterin: RN given refers to parent cpd; co-factor required for catalytic activity of nitric oxide synthases. (6R)-5,6,7,8-tetrahydrobiopterin : A 5,6,7,8-tetrahydrobiopterin in which the stereocentre at position 6 has R-configuration.. sapropterin : A tetrahydropterin that is 2-amino-5,6,7,8-tetrahydropteridin-4(3H)-one in which a hydrogen at position 6 is substituted by a 1,2-dihydroxypropyl group (6R,1'R,2'S-enantiomer). | 1.96 | 1 | 0 | 5,6,7,8-tetrahydrobiopterin | coenzyme; cofactor; diagnostic agent; human metabolite |
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. | 3.38 | 7 | 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 |
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. | 1.96 | 1 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
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+). | 1.98 | 1 | 0 | nucleoside triphosphate analogue | |
nataxazole nataxazole: has antineoplastic activity; isolated from Streptomyces; structure in first source | 2.17 | 1 | 0 | | |
azure c Azure C: RN given refers to chloride. azure C : An organic chloride salt having 3-amino-7-(methylamino)phenothiazin-5-ium as the counterion. | 2.05 | 1 | 0 | | |
7-methylguanosine-5'-monophosphate 7-methylguanosine 5'-phosphate(1-) : An organophosphate oxoanion arising from deprotonation of the phosphate OH groups of 7-methylguanosine 5'-phosphate; major species at pH 7.3. | 1.96 | 1 | 0 | organophosphate oxoanion | |
carbidopa Carbidopa: An inhibitor of DOPA DECARBOXYLASE that prevents conversion of LEVODOPA to dopamine. It is used in PARKINSON DISEASE to reduce peripheral adverse effects of LEVODOPA. It has no anti-parkinson activity by itself.. carbidopa : The hydrate of 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 in the management of Parkinson's disease to reduce peripheral adverse effects of levodopa. | 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. | 1.97 | 1 | 0 | | |