Substance | Relationship Strength | Studies | Trials | Classes | Roles |
protocatechuic acid protocatechuic acid: RN given refers to parent cpd; structure. 3,4-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. | 5 | 12 | 0 | catechols; dihydroxybenzoic acid | antineoplastic agent; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor; human xenobiotic metabolite; plant metabolite |
dihydro-3-coumaric acid dihydro-3-coumaric acid: intermediate in biosynthesis of dihydrophenanthrenes from phenylalanine. 3-(3-hydroxyphenyl)propanoic acid : A monocarboxylic acid that is propionic acid carrying a 3-hydroxyphenyl substituent at C-3. | 2.17 | 1 | 0 | monocarboxylic acid | Escherichia coli metabolite; human xenobiotic metabolite |
3-oxoadipic acid 3-oxoadipic acid: RN given refers to parent cpd. 3-oxoadipic acid : An oxo dicarboxylic acid consisting of adipic acid having a single oxo group at the 3-position. | 1.98 | 1 | 0 | dicarboxylic fatty acid; oxo dicarboxylic acid | bacterial xenobiotic metabolite; human 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. | 2.7 | 3 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 3.27 | 6 | 0 | monohydroxybenzoic acid | algal metabolite; plant metabolite |
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. | 2.02 | 1 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
acetone methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.03 | 1 | 0 | ketone body; methyl ketone; propanones; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; human metabolite; polar aprotic solvent |
adenine [no description available] | 2.06 | 1 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.05 | 1 | 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 |
anthranilic acid anthranilic acid: RN given refers to parent cpd; structure in Negwer, 5th ed, #565. anthranilic acid : An aminobenzoic acid that is benzoic acid having a single amino substituent located at position 2. It is a metabolite produced in L-tryptophan-kynurenine pathway in the central nervous system. | 2.99 | 4 | 0 | aminobenzoic acid | human metabolite; mouse metabolite |
quinacrine Quinacrine: An acridine derivative formerly widely used as an antimalarial but superseded by chloroquine in recent years. It has also been used as an anthelmintic and in the treatment of giardiasis and malignant effusions. It is used in cell biological experiments as an inhibitor of phospholipase A2.. quinacrine : A member of the class of acridines that is acridine substituted by a chloro group at position 6, a methoxy group at position 2 and a [5-(diethylamino)pentan-2-yl]nitrilo group at position 9. | 1.99 | 1 | 0 | acridines; aromatic ether; organochlorine compound; tertiary amino compound | antimalarial; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor |
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. | 8.12 | 5 | 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 |
butyric acid Butyric Acid: A four carbon acid, CH3CH2CH2COOH, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester.. butyrate : A short-chain fatty acid anion that is the conjugate base of butyric acid, obtained by deprotonation of the carboxy group.. butyric acid : A straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. | 2.05 | 1 | 0 | fatty acid 4:0; straight-chain saturated fatty acid | human urinary metabolite; Mycoplasma genitalium metabolite |
carbon monoxide Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 2.07 | 1 | 0 | carbon oxide; gas molecular entity; one-carbon compound | biomarker; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; human metabolite; ligand; metabolite; mitochondrial respiratory-chain inhibitor; mouse metabolite; neurotoxin; neurotransmitter; P450 inhibitor; probe; signalling molecule; vasodilator agent |
catechol [no description available] | 4.1 | 16 | 0 | catechols | allelochemical; genotoxin; plant metabolite |
choline [no description available] | 2.21 | 1 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 2.05 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.41 | 2 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
salicylic acid Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 11.73 | 90 | 0 | monohydroxybenzoic acid | algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite |
gallic acid gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 4.39 | 6 | 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 |
guaiacol Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2.06 | 1 | 0 | guaiacols | disinfectant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; expectorant; plant metabolite |
hippuric acid hippuric acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #4591. N-benzoylglycine : An N-acylglycine in which the acyl group is specified as benzoyl. | 2.05 | 1 | 0 | N-acylglycine | human blood serum metabolite; uremic toxin |
malic acid malic acid : A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group.. 2-hydroxydicarboxylic acid : Any dicarboxylic acid carrying a hydroxy group on the carbon atom at position alpha to the carboxy group. | 2.02 | 1 | 0 | 2-hydroxydicarboxylic acid; C4-dicarboxylic acid | food acidity regulator; fundamental 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. | 4.08 | 15 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
cytosine [no description available] | 2 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
glucono-1,4-lactone [no description available] | 1.96 | 1 | 0 | gamma-lactone | |
lactic acid Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 2.02 | 1 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
diacetyl butane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. | 3.03 | 5 | 0 | alpha-diketone | Escherichia coli 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. | 2.9 | 4 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
glycine [no description available] | 2 | 1 | 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. | 2.73 | 3 | 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. | 2.43 | 2 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
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. | 2.39 | 2 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
hydroquinone [no description available] | 2.39 | 2 | 0 | benzenediol; hydroquinones | antioxidant; carcinogenic agent; cofactor; Escherichia coli metabolite; human xenobiotic metabolite; mouse metabolite; skin lightening agent |
imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 2.03 | 1 | 0 | imidazole | |
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. | 2.39 | 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. | 1.96 | 1 | 0 | aromatic ketone; non-proteinogenic alpha-amino acid; substituted aniline | human metabolite |
thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 2.03 | 1 | 0 | dithiolanes; heterocyclic fatty acid; thia fatty acid | fundamental metabolite; geroprotector |
malonic acid malonic acid : An alpha,omega-dicarboxylic acid in which the two carboxy groups are separated by a single methylene group.. dicarboxylic acid : Any carboxylic acid containing two carboxy groups. | 2.44 | 2 | 0 | alpha,omega-dicarboxylic acid | human metabolite |
phytic acid Phytic Acid: Complexing agent for removal of traces of heavy metal ions. It acts also as a hypocalcemic agent.. myo-inositol hexakisphosphate : A myo-inositol hexakisphosphate in which each hydroxy group of myo-inositol is monophosphorylated. | 2 | 1 | 0 | inositol phosphate | |
melatonin [no description available] | 2.42 | 2 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.92 | 4 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
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) | 3.1 | 5 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
hydroxide ion [no description available] | 2.69 | 3 | 0 | oxygen hydride | mouse metabolite |
4-aminobenzoic acid 4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group. | 3.07 | 1 | 0 | aminobenzoic acid; aromatic amino-acid zwitterion | allergen; Escherichia coli metabolite; plant metabolite |
pentachlorophenol PENTA: structure given in first source | 2 | 1 | 0 | aromatic fungicide; chlorophenol; organochlorine pesticide; pentachlorobenzenes | human xenobiotic metabolite |
phenol [no description available] | 2.69 | 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. | 1.96 | 1 | 0 | benzenes; monocarboxylic acid; phenylacetic acids | allergen; Aspergillus metabolite; auxin; EC 6.4.1.1 (pyruvate carboxylase) inhibitor; Escherichia coli metabolite; human metabolite; plant growth retardant; plant metabolite; Saccharomyces cerevisiae metabolite; toxin |
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. | 2.21 | 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. | 2.06 | 1 | 0 | pyridinemonocarboxylic acid | human metabolite; MALDI matrix material |
propionic acid propionic acid : A short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. | 2.05 | 1 | 0 | saturated fatty acid; short-chain fatty acid | antifungal drug |
putrescine [no description available] | 2.41 | 1 | 0 | alkane-alpha,omega-diamine | antioxidant; fundamental metabolite |
pyrazinamide pyrazinecarboxamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of pyrazinoic acid (pyrazine-2-carboxylic acid) with ammonia. A prodrug for pyrazinoic acid, pyrazinecarboxamide is used as part of multidrug regimens for the treatment of tuberculosis. | 2.02 | 1 | 0 | monocarboxylic acid amide; N-acylammonia; pyrazines | antitubercular agent; prodrug |
pyrogallol benzenetriol : A triol in which three hydroxy groups are substituted onto a benzene ring. | 3.11 | 5 | 0 | benzenetriol; phenolic donor | plant 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. | 2.73 | 3 | 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. | 2.43 | 2 | 0 | pyridinedicarboxylic acid | Escherichia coli metabolite; human metabolite; mouse metabolite; NMDA receptor agonist |
spermidine [no description available] | 1.98 | 1 | 0 | polyazaalkane; triamine | autophagy inducer; fundamental metabolite; geroprotector |
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. | 2.41 | 2 | 0 | alpha,omega-dicarboxylic acid; C4-dicarboxylic acid | anti-ulcer drug; fundamental metabolite; micronutrient; nutraceutical; radiation protective agent |
taurine [no description available] | 2.02 | 1 | 0 | amino sulfonic acid; zwitterion | antioxidant; Escherichia coli metabolite; glycine receptor agonist; human metabolite; mouse metabolite; nutrient; radical scavenger; Saccharomyces cerevisiae metabolite |
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.03 | 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 |
xanthine 7H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-7 is protonated.. 9H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-9 is protonated. | 2.41 | 2 | 0 | xanthine | Saccharomyces cerevisiae metabolite |
2-amino-5-phosphonovalerate 2-Amino-5-phosphonovalerate: The D-enantiomer is a potent and specific antagonist of NMDA glutamate receptors (RECEPTORS, N-METHYL-D-ASPARTATE). The L form is inactive at NMDA receptors but may affect the AP4 (2-amino-4-phosphonobutyrate; APB) excitatory amino acid receptors. | 1.99 | 1 | 0 | non-proteinogenic alpha-amino acid | NMDA receptor antagonist |
ibotenic acid Ibotenic Acid: A neurotoxic isoxazole (similar to KAINIC ACID and MUSCIMOL) found in AMANITA mushrooms. It causes motor depression, ataxia, and changes in mood, perceptions and feelings, and is a potent excitatory amino acid agonist. | 2 | 1 | 0 | non-proteinogenic alpha-amino acid | neurotoxin |
mandelic acid SAMMA: mandelic acid condensation polymer | 2.4 | 2 | 0 | 2-hydroxy monocarboxylic acid; benzenes | antibacterial agent; human xenobiotic metabolite |
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases | 2.41 | 2 | 0 | phenanthroline | EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor |
1-aminobenzotriazole [no description available] | 2.01 | 1 | 0 | | |
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. | 2.41 | 2 | 0 | methylpyridines; phenylpyridine; tetrahydropyridine | neurotoxin |
2,2'-dipyridyl 2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'. | 2.38 | 2 | 0 | bipyridine | chelator; ferroptosis inhibitor |
beta-resorcylic acid beta-resorcylic acid: RN given refers to parent cpd; structure | 2.93 | 4 | 0 | | |
pyrithione pyrithione: split from cephalosporin molecule; some metal complexes of this have fumarate reductase inhibitory activity and may be useful against trypanosomes; RN given refers to parent cpd; structure. pyrithione : A pyridinethione that is pyridine-2(1H)-thione in which the hydrogen attached to the nitrogen is replaced by a hydroxy group. It is a Zn(2+) ionophore; the zinc salt is used as an antifungal and antibacterial agent. | 2.41 | 2 | 0 | monohydroxypyridine; pyridinethione | ionophore |
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 | 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. | 3.1 | 5 | 0 | amphetamines; benzodioxoles | neurotoxin |
amitrole Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 1.97 | 1 | 0 | aromatic amine; triazoles | carotenoid biosynthesis inhibitor; EC 1.11.1.6 (catalase) inhibitor; herbicide |
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. | 2.69 | 3 | 0 | monomethoxybenzene; phenols; phenylethylamine; primary amino compound | biomarker; human blood serum metabolite; human urinary metabolite |
3-methoxytyrosine [no description available] | 4.35 | 2 | 2 | tyrosine derivative | |
3-nitropropionic acid 3-nitropropionic acid: succinate dehydrogenase inactivator; biosynthesized by FABACEAE plants from ASPARAGINE. 3-nitropropanoic acid : A C-nitro compound that is propanoic acid in which one of the methyl hydrogens has been replaced by a nitro group. | 2 | 1 | 0 | C-nitro compound | antimycobacterial drug; EC 1.3.5.1 [succinate dehydrogenase (quinone)] inhibitor; mycotoxin; neurotoxin |
homovanillic acid Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 3.25 | 6 | 0 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
4-nonylphenol 4-nonylphenol: structure in first source; see also record for nonylphenol. 4-nonylphenol : A member of the class of phenols that is phenol which is para-substituted with a nonyl group. | 2.42 | 2 | 0 | phenols | environmental contaminant |
phenytoin [no description available] | 1.99 | 1 | 0 | imidazolidine-2,4-dione | anticonvulsant; drug allergen; sodium channel blocker; teratogenic agent |
5-hydroxydecanoate 5-hydroxydecanoic acid: Potassium Channel Blocker; RN refers to parent cpd | 2.42 | 2 | 0 | medium-chain fatty acid | |
hydroxyindoleacetic acid (5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 2.69 | 3 | 0 | indole-3-acetic acids | drug metabolite; human metabolite; mouse metabolite |
7-nitroindazole 7-nitroindazole: an inhibitor of nitric oxide synthase; exhibits anti-nociceptive activity without increasing blood pressure | 2 | 1 | 0 | | |
oxyquinoline Oxyquinoline: An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics.. quinolin-8-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 8. Its fungicidal properties are used for the control of grey mould on vines and tomatoes. | 2.46 | 2 | 0 | monohydroxyquinoline | antibacterial agent; antifungal agrochemical; antiseptic drug; iron chelator |
acetohydroxamic acid acetohydroxamic acid: urease inhibitor. oxime : Compounds of structure R2C=NOH derived from condensation of aldehydes or ketones with hydroxylamine. Oximes from aldehydes may be called aldoximes; those from ketones may be called ketoximes.. N-hydroxyacetimidic acid : A carbohydroximic acid consisting of acetimidic acid having a hydroxy group attached to the imide nitrogen.. acetohydroxamic acid : A member of the class of acetohydroxamic acids that is acetamide in which one of the amino hydrogens has been replaced by a hydroxy group. | 2.06 | 1 | 0 | acetohydroxamic acids; carbohydroximic acid | algal metabolite; EC 3.5.1.5 (urease) inhibitor |
1-aminoindan-1,5-dicarboxylic acid 1-aminoindan-1,5-dicarboxylic acid: structure given in first source | 2 | 1 | 0 | | |
amfonelic acid amfonelic acid: CNS-stimulant | 1.99 | 1 | 0 | | |
amifostine anhydrous Amifostine: A phosphorothioate proposed as a radiation-protective agent. It causes splenic vasodilation and may block autonomic ganglia.. amifostine : An organic thiophosphate that is the S-phospho derivative of 2-[(3-aminopropyl)amino]ethanethiol. A prodrug for the free thiol, WR-1065, which is used as a cytoprotectant in cancer chemotherapy and radiotherapy. | 1.99 | 1 | 0 | diamine; organic thiophosphate | antioxidant; prodrug; radiation protective agent |
aniracetam [no description available] | 1.98 | 1 | 0 | N-acylpyrrolidine; pyrrolidin-2-ones | |
anthralin Anthralin: An anthracene derivative that disrupts MITOCHONDRIA function and structure and is used for the treatment of DERMATOSES, especially PSORIASIS. It may cause FOLLICULITIS.. anthralin : An anthracene compound derived by the substitution of -OH groups for hydrogen at C-1 and C-8, and with an oxo group at C-9. | 2.17 | 1 | 0 | anthracenes | antipsoriatic |
antipyrine Antipyrine: An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29). antipyrine : A pyrazolone derivative that is 1,2-dihydropyrazol-3-one substituted with methyl groups at N-1 and C-5 and with a phenyl group at N-2. | 3.11 | 5 | 0 | pyrazolone | antipyretic; cyclooxygenase 3 inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
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. | 8.57 | 15 | 2 | 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 |
baclofen [no description available] | 2.05 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid; monochlorobenzenes; primary amino compound | central nervous system depressant; GABA agonist; muscle relaxant |
beta-naphthoflavone beta-Naphthoflavone: A polyaromatic hydrocarbon inducer of P4501A1 and P4501A2 cytochromes. (Proc Soc Exp Biol Med 1994 Dec:207(3):302-308). beta-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. | 2 | 1 | 0 | extended flavonoid; naphtho-gamma-pyrone; organic heterotricyclic compound | aryl hydrocarbon receptor agonist |
bifemelane bifemelane: structure given in first source | 1.99 | 1 | 0 | diarylmethane | |
celecoxib [no description available] | 2.01 | 1 | 0 | organofluorine compound; pyrazoles; sulfonamide; toluenes | cyclooxygenase 2 inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
chelerythrine chelerythrine : A benzophenanthridine alkaloid isolated from the root of Zanthoxylum simulans, Chelidonium majus L., and other Papaveraceae. | 2.03 | 1 | 0 | benzophenanthridine alkaloid; organic cation | antibacterial agent; antineoplastic agent; EC 2.7.11.13 (protein kinase C) 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. | 1.96 | 1 | 0 | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
cloxyquin cloxyquin: has antitubercular activity; structure in first source | 2.06 | 1 | 0 | organochlorine compound; quinolines | |
deferiprone Deferiprone: A pyridone derivative and iron chelator that is used in the treatment of IRON OVERLOAD in patients with THALASSEMIA.. deferiprone : A member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. | 2.39 | 2 | 0 | 4-pyridones | iron chelator; protective agent |
deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 4.96 | 12 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
desipramine Desipramine: A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively blocks reuptake of norepinephrine from the neural synapse, and also appears to impair serotonin transport. This compound also possesses minor anticholinergic activity, through its affinity to muscarinic receptors.. desipramine : A dibenzoazepine consisting of 10,11-dihydro-5H-dibenzo[b,f]azepine substituted on nitrogen with a 3-(methylamino)propyl group. | 2 | 1 | 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. | 1.99 | 1 | 0 | primary amine | |
diclofenac Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt.. diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. | 2.01 | 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 |
pentetic acid Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 3.05 | 1 | 0 | pentacarboxylic acid | copper chelator |
valproic acid Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS.. valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. | 2.05 | 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) | 1.99 | 1 | 0 | | |
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. | 2.01 | 1 | 0 | (trifluoromethyl)benzenes; secondary amino compound | appetite depressant; serotonergic agonist; serotonin uptake inhibitor |
fluoxetine Fluoxetine: The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.. fluoxetine : A racemate comprising equimolar amounts of (R)- and (S)-fluoxetine. A selective serotonin reuptake inhibitor (SSRI), it is used (generally as the hydrochloride salt) for the treatment of depression (and the depressive phase of bipolar disorder), bullimia nervosa, and obsessive-compulsive disorder.. N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propan-1-amine : An aromatic ether consisting of 4-trifluoromethylphenol in which the hydrogen of the phenolic hydroxy group is replaced by a 3-(methylamino)-1-phenylpropyl group. | 2 | 1 | 0 | (trifluoromethyl)benzenes; aromatic ether; secondary amino compound | |
flutamide Flutamide: An antiandrogen with about the same potency as cyproterone in rodent and canine species. | 2.07 | 1 | 0 | (trifluoromethyl)benzenes; monocarboxylic acid amide | androgen antagonist; antineoplastic agent |
fusaric acid Fusaric Acid: A picolinic acid derivative isolated from various Fusarium species. It has been proposed for a variety of therapeutic applications but is primarily used as a research tool. Its mechanisms of action are poorly understood. It probably inhibits DOPAMINE BETA-HYDROXYLASE, the enzyme that converts dopamine to norepinephrine. It may also have other actions, including the inhibition of cell proliferation and DNA synthesis. | 2.06 | 1 | 0 | aromatic carboxylic acid; pyridines | |
vanoxerine vanoxerine: structure given in first source. vanoxerine : An N-alkylpiperazine that consists of piperazine bearing 2-bis(4-fluorophenyl)methoxy]ethyl and 3-phenylpropyl groups at positions 1 and 4 respectively. Potent, competitive inhibitor of dopamine uptake (Ki = 1 nM for inhibition of striatal dopamine uptake). Has > 100-fold lower affinity for the noradrenalin and 5-HT uptake carriers. Also a potent sigma ligand (IC50 = 48 nM). Centrally active following systemic administration. | 2.01 | 1 | 0 | ether; N-alkylpiperazine; organofluorine compound; tertiary amino compound | dopamine uptake inhibitor |
gentamicin Gentamicins: A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS. | 3.09 | 5 | 0 | | |
2,5-dihydroxybenzoic acid 2,5-dihydroxybenzoic acid: RN given refers to parent cpd; a oxidative product of saligenin. 2,5-dihydroxybenzoic acid : A dihydroxybenzoic acid having the two hydroxy groups at the 2- and 5-positions. | 15.48 | 109 | 2 | dihydroxybenzoic acid | EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; fungal metabolite; human metabolite; MALDI matrix material; mouse metabolite |
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. | 2.42 | 2 | 0 | dialdehyde | cross-linking reagent; disinfectant; fixative |
glyburide Glyburide: An antidiabetic sulfonylurea derivative with actions like those of chlorpropamide. glyburide : An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. | 2.94 | 4 | 0 | monochlorobenzenes; N-sulfonylurea | anti-arrhythmia drug; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor; hypoglycemic agent |
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. | 1.99 | 1 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
halothane [no description available] | 1.99 | 1 | 0 | haloalkane; organobromine compound; organochlorine compound; organofluorine compound | inhalation anaesthetic |
beta-thujaplicin beta-thujaplicin: structure. beta-thujaplicin : A monoterpenoid that is cyclohepta-2,4,6-trien-1-one substituted by a hydroxy group at position 2 and an isopropyl group at position 4. Isolated from Thuja plicata and Chamaecyparis obtusa, it exhibits antimicrobial activities. | 2.06 | 1 | 0 | cyclic ketone; enol; monoterpenoid | antibacterial agent; antifungal agent; antineoplastic agent; antiplasmodial drug; plant metabolite |
hydroxyurea [no description available] | 1.96 | 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 |
imipramine Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 2.01 | 1 | 0 | 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. | 2.38 | 2 | 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 |
isoflurane Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 2.43 | 2 | 0 | organofluorine compound | inhalation anaesthetic |
isoniazid Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 2.02 | 1 | 0 | carbohydrazide | antitubercular agent; drug allergen |
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. | 2.03 | 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. | 2.03 | 1 | 0 | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
kojic acid [no description available] | 2.46 | 2 | 0 | 4-pyranones; enol; primary alcohol | Aspergillus metabolite; EC 1.10.3.1 (catechol oxidase) inhibitor; EC 1.10.3.2 (laccase) inhibitor; EC 1.13.11.24 (quercetin 2,3-dioxygenase) inhibitor; EC 1.14.18.1 (tyrosinase) inhibitor; EC 1.4.3.3 (D-amino-acid oxidase) inhibitor; NF-kappaB inhibitor; skin lightening agent |
2-phenylglycine 2-phenylglycine: RN given refers to cpd without isomeric designation; structure. alpha-phenylglycine : An amino acid with a structure in which a phenyl ring is bonded to the alpha-carbon of glycine. | 2.6 | 1 | 0 | non-proteinogenic alpha-amino acid | human metabolite |
lithium hydroxide lithium hydroxide: used for tryptophan determinations in proteins & foods; RN given refers to cpd with MF of Li-OH | 2.05 | 1 | 0 | alkali metal hydroxide | |
mazindol Mazindol: Tricyclic anorexigenic agent unrelated to and less toxic than AMPHETAMINE, but with some similar side effects. It inhibits uptake of catecholamines and blocks the binding of cocaine to the dopamine uptake transporter. | 2 | 1 | 0 | organic molecular entity | |
edaravone [no description available] | 3.11 | 5 | 0 | pyrazolone | antioxidant; radical scavenger |
mesalamine Mesalamine: An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed). mesalamine : A monohydroxybenzoic acid that is salicylic acid substituted by an amino group at the 5-position. | 2.15 | 1 | 0 | amino acid; aromatic amine; monocarboxylic acid; monohydroxybenzoic acid; phenols | non-steroidal anti-inflammatory drug |
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.95 | 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 |
nalidixic acid [no description available] | 1.99 | 1 | 0 | 1,8-naphthyridine derivative; monocarboxylic acid; quinolone antibiotic | antibacterial drug; antimicrobial agent; DNA synthesis inhibitor |
oxidopamine Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals.. oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). | 3.26 | 6 | 0 | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
aminosalicylic acid Aminosalicylic Acid: An antitubercular agent often administered in association with ISONIAZID. The sodium salt of the drug is better tolerated than the free acid.. 4-aminosalicylic acid : An aminobenzoic acid that is salicylic acid substituted by an amino group at position 4. | 2.06 | 1 | 0 | aminobenzoic acid; phenols | antitubercular agent |
pargyline Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 2.4 | 2 | 0 | aromatic amine | |
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 |
4-phenylbutyric acid 4-phenylbutyric acid: RN refers to the parent cpd. 4-phenylbutyric acid : A monocarboxylic acid the structure of which is that of butyric acid substituted with a phenyl group at C-4. It is a histone deacetylase inhibitor that displays anticancer activity. It inhibits cell proliferation, invasion and migration and induces apoptosis in glioma cells. It also inhibits protein isoprenylation, depletes plasma glutamine, increases production of foetal haemoglobin through transcriptional activation of the gamma-globin gene and affects hPPARgamma activation. | 2.05 | 1 | 0 | monocarboxylic acid | antineoplastic agent; apoptosis inducer; EC 3.5.1.98 (histone deacetylase) inhibitor; prodrug |
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. | 2.7 | 3 | 0 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
4-aminobenzoic acid para-Aminobenzoates: Benzoic acids, salts, or esters that contain an amino group attached to carbon number 4 of the benzene ring structure.. 4-aminobenzoate : An aromatic amino-acid anion that is the conjugate base of 4-aminobenzoic acid. | 2.07 | 1 | 0 | aminobenzoate; aromatic amino-acid anion | Escherichia coli metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
prazosin Prazosin: A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.. prazosin : A member of the class of piperazines that is piperazine substituted by a furan-2-ylcarbonyl group and a 4-amino-6,7-dimethoxyquinazolin-2-yl group at positions 1 and 4 respectively. | 2 | 1 | 0 | aromatic ether; furans; monocarboxylic acid amide; piperazines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
proadifen Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 2 | 1 | 0 | diarylmethane | |
resorcinol resorcinol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7951. resorcinol : A benzenediol that is benzene dihydroxylated at positions 1 and 3. | 1.96 | 1 | 0 | benzenediol; phenolic donor; resorcinols | erythropoietin inhibitor; sensitiser |
salicyl alcohol salicyl alcohol: RN given refers to parent cpd; saligenin is the aglycone of salicin; structure; it is oxidatively metabolized to gentisic acid. salicyl alcohol : A hydroxybenzyl alcohol that is phenol substituted by a hydroxymethyl group at C-2. | 2.15 | 1 | 0 | aromatic primary alcohol; hydroxybenzyl alcohol | human urinary metabolite |
salicylamide salamide: a major impurity of hydrochlorothiazide; structure in first source | 2.06 | 1 | 0 | phenols; salicylamides | antirheumatic drug; non-narcotic analgesic |
4-phenylbutyric acid, sodium salt sodium phenylbutyrate : The organic sodium salt of 4-phenylbutyric acid. A prodrug for phenylacetate, it is used to treat urea cycle disorders. | 2.05 | 1 | 0 | organic sodium salt | EC 3.5.1.98 (histone deacetylase) inhibitor; geroprotector; neuroprotective agent; orphan drug; prodrug |
vorinostat Vorinostat: A hydroxamic acid and anilide derivative that acts as a HISTONE DEACETYLASE inhibitor. It is used in the treatment of CUTANEOUS T-CELL LYMPHOMA and SEZARY SYNDROME.. vorinostat : A dicarboxylic acid diamide comprising suberic (octanedioic) acid coupled to aniline and hydroxylamine. A histone deacetylase inhibitor, it is marketed under the name Zolinza for the treatment of cutaneous T cell lymphoma (CTCL). | 2.05 | 1 | 0 | dicarboxylic acid diamide; hydroxamic acid | antineoplastic agent; apoptosis inducer; EC 3.5.1.98 (histone deacetylase) inhibitor |
sulforaphane sulforaphane: from Cardaria draba L.. sulforaphane : An isothiocyanate having a 4-(methylsulfinyl)butyl group attached to the nitrogen. | 3.19 | 1 | 0 | isothiocyanate; sulfoxide | antineoplastic agent; antioxidant; EC 3.5.1.98 (histone deacetylase) inhibitor; plant metabolite |
talipexole talipexole: dopamine receptor agonist; structure given in first source | 1.99 | 1 | 0 | azepine | |
2-thiosalicylic acid 2-thiosalicylic acid: a degradation product of thimerosal; RN given refers to parent cpd. thiosalicylic acid : A sulfanylbenzoic acid that is the 2-sulfanyl derivative of benzoic acid. | 2.15 | 1 | 0 | sulfanylbenzoic acid | antipyretic; non-narcotic analgesic |
tyramine [no description available] | 2.69 | 3 | 0 | monoamine molecular messenger; primary amino compound; tyramines | EC 3.1.1.8 (cholinesterase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter |
mitomycin Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae. | 2.17 | 1 | 0 | mitomycin | alkylating agent; antineoplastic agent |
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. | 1.93 | 1 | 0 | ergoline alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound | dopamine agonist; hallucinogen; serotonergic agonist |
reserpine Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. | 2.69 | 3 | 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 |
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. | 2.92 | 4 | 0 | 1-phenylpropan-2-amine | adrenergic agent; adrenergic uptake inhibitor; dopamine uptake inhibitor; dopaminergic agent; neurotoxin; sympathomimetic agent |
pilocarpine Pilocarpine: A slowly hydrolyzed muscarinic agonist with no nicotinic effects. Pilocarpine is used as a miotic and in the treatment of glaucoma.. (+)-pilocarpine : The (+)-enantiomer of pilocarpine. | 1.99 | 1 | 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. | 2.41 | 2 | 0 | organic heterobicyclic compound; organonitrogen heterocyclic compound | |
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.03 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2.01 | 1 | 0 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
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. | 8.48 | 8 | 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 |
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. | 2.4 | 2 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
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. | 2.42 | 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 |
cyanides Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 2.38 | 2 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
sucrose Saccharum: A plant genus of the family POACEAE widely cultivated in the tropics for the sweet cane that is processed into sugar. | 1.99 | 1 | 0 | glycosyl glycoside | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; sweetening agent |
apomorphine Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. | 2.42 | 2 | 0 | aporphine alkaloid | alpha-adrenergic drug; antidyskinesia agent; antiparkinson drug; dopamine agonist; emetic; serotonergic drug |
kanamycin a Kanamycin: Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.. kanamycin : Kanamycin is a naturally occurring antibiotic complex from Streptomyces kanamyceticus that consists of several components: kanamycin A, the major component (also usually designated as kanamycin), and kanamycins B, C, D and X the minor components. | 3.12 | 5 | 0 | kanamycins | bacterial metabolite |
carbostyril Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.47 | 2 | 0 | monohydroxyquinoline; quinolone | bacterial xenobiotic metabolite |
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 | 5.04 | 5 | 2 | amino acid zwitterion; dopa; L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | allelochemical; antidyskinesia agent; antiparkinson drug; dopaminergic agent; hapten; human metabolite; mouse metabolite; neurotoxin; plant growth retardant; plant metabolite; prodrug |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 3.23 | 6 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 5.34 | 7 | 2 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
cysteamine Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2. | 2.01 | 1 | 0 | amine; thiol | geroprotector; human metabolite; mouse metabolite; radiation protective agent |
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.74 | 3 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
methacholine chloride Methacholine Chloride: A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116) | 3.38 | 1 | 1 | quaternary ammonium salt | |
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. | 1.99 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
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. | 2.69 | 3 | 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 |
chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 2.03 | 1 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
mannitol [no description available] | 2.69 | 3 | 0 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
4-toluenesulfonamide 4-toluenesulfonamide: RN given refers to parent cpd. toluene-4-sulfonamide : A sulfonamide that is benzenesulfonamide bearing a methyl group at position 4. | 2.06 | 1 | 0 | sulfonamide | |
histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 2.91 | 4 | 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 |
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. | 2.05 | 1 | 0 | L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid; valine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
threonine Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 7.38 | 2 | 0 | amino acid zwitterion; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid; threonine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.67 | 3 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2.01 | 1 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
ethane Ethane: A two carbon alkane with the formula H3C-CH3.. ethane : An alkane comprising of two carbon atoms. | 2 | 1 | 0 | alkane; gas molecular entity | plant metabolite; refrigerant |
phencyclidine Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 1.98 | 1 | 0 | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
quinic acid (-)-quinic acid : The (-)-enantiomer of quinic acid. | 2.4 | 2 | 0 | | |
isobutyric acid isobutyric acid: RN given refers to parent cpd. isobutyric acid : A branched fatty acid comprising propanoic acid carrying a methyl branch at C-2. | 2.05 | 1 | 0 | branched-chain saturated fatty acid; fatty acid 4:0; methyl-branched fatty acid | Daphnia magna metabolite; plant metabolite; volatile oil component |
3-methylsalicylic acid 3-methylsalicylic acid : A monohydroxybenzoic acid consisting of salicylic acid carrying a methyl group at the 3-position. | 2.06 | 1 | 0 | monohydroxybenzoic acid | bacterial xenobiotic metabolite |
lawsone lawsone: a molluscacide from leaves of Lawsonia inermis L. topical sunscreening agent; structure; powdered leaves of Lawsonia inermis(Lythraceae) used as brown hair dye. lawsone : 1,4-Naphthoquinone carrying a hydroxy function at C-2. It is obtained from the leaves of Lawsonia inermis. | 2.06 | 1 | 0 | | |
rotenone Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 2.69 | 3 | 0 | organic heteropentacyclic compound; rotenones | antineoplastic agent; metabolite; mitochondrial NADH:ubiquinone reductase inhibitor; phytogenic insecticide; piscicide; toxin |
isosorbide dinitrate Isosorbide Dinitrate: A vasodilator used in the treatment of ANGINA PECTORIS. Its actions are similar to NITROGLYCERIN but with a slower onset of action. | 1.98 | 1 | 0 | glucitol derivative; nitrate ester | nitric oxide donor; vasodilator agent |
5-methylsalicylic acid [no description available] | 2.5 | 2 | 0 | | |
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. | 2.06 | 1 | 0 | aminoacridines; primary amino compound | acid-base indicator; antiinfective agent; antiseptic drug; fluorescent dye; MALDI matrix material; mutagen |
quinoxalines quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.02 | 1 | 0 | mancude organic heterobicyclic parent; naphthyridine; ortho-fused heteroarene | |
veratric acid veratric acid: RN given refers to parent cpd; structure. 3,4-dimethoxybenzoic acid : A member of the class of benzoic acids that is benzoic acid substituted by methoxy groups at positions 2 and 3. | 2.02 | 1 | 0 | benzoic acids | allergen; plant metabolite |
quinaldic acid [no description available] | 2.06 | 1 | 0 | quinolinemonocarboxylic acid | human metabolite; Saccharomyces cerevisiae metabolite |
propylparaben Parabens: Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872) | 2.94 | 4 | 0 | benzoate ester; paraben; phenols | antifungal agent; antimicrobial agent |
5-nitrosalicylic acid 5-nitrosalicylic acid : A monohydroxybenzoic acid in which the hydroxy group is ortho- to the carboxylic acid group and which has a nitro substituent para- to the phenolic hydroxy group. | 2.15 | 1 | 0 | 4-nitrophenols; monohydroxybenzoic acid | |
3-hydroxybenzoic acid 3-hydroxybenzoic acid: RN given refers to parent cpd. 3-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid substituted by a hydroxy group at position 3. It has been isolated from Taxus baccata. It is used as an intermediate in the synthesis of plasticisers, resins, pharmaceuticals, etc. | 3.11 | 5 | 0 | monohydroxybenzoic acid | bacterial metabolite; plant metabolite |
alpha-resorcylic acid alpha-resorcylic acid: RN given refers to parent cpd. 3,5-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 5. | 3.11 | 5 | 0 | dihydroxybenzoic acid; resorcinols | metabolite |
methyl gallate methyl gallate: has both immunosuppressive and phytogenic antineoplastic activities; isolated from Acer saccharinum. methyl 3,4,5-trihydroxybenzoate : A gallate ester obtained by the formal condensation of gallic acid with methanol. It exhibits anti-oxidant, anti-tumor, anti-microbial and anti-inflammatory properties. | 2.44 | 2 | 0 | gallate ester | anti-inflammatory agent; antioxidant; plant metabolite |
4-toluic acid 4-toluic acid: RN given refers to parent cpd; structure. p-toluic acid : A methylbenzoic acid in which the methyl substituent is located at position 4. | 2.02 | 1 | 0 | methylbenzoic acid | |
2,5-pyridinedicarboxylic acid 2,5-Pyridinedicarboxylic acid: RN given refers to parent cpd. isocinchomeronic acid : A pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 5. | 2.06 | 1 | 0 | pyridinedicarboxylic acid | |
acrylonitrile [no description available] | 2.01 | 1 | 0 | aliphatic nitrile; volatile organic compound | antifungal agent; carcinogenic agent; fungal metabolite; mutagen; polar aprotic solvent |
n-pentanoic acid n-pentanoic acid: RN given refers to unlabeled parent cpd. valeric acid : A straight-chain saturated fatty acid containing five carbon atoms. | 2.05 | 1 | 0 | short-chain fatty acid; straight-chain saturated fatty acid | plant metabolite |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.04 | 1 | 0 | pyrrole; secondary amine | |
3,3'-iminodipropionitrile 3,3'-iminodipropionitrile: lathyrogen; RN refers to parent cpd; blocks axoplasmic transport of neurofilament proteins with subsequent axon swelling typical of some motor neuron diseases | 2.02 | 1 | 0 | | |
3,4,5-trimethoxybenzoic acid 3,4,5-trimethoxybenzoic acid: RN given refers to parent cpd; structure. 3,4,5-trimethoxybenzoic acid : A benzoic acid derivative carrying 3-, 4- and 5-methoxy substituents. | 2.02 | 1 | 0 | benzoic acids; methoxybenzenes | human urinary metabolite; human xenobiotic metabolite; plant metabolite |
maltol maltol: found in bark of young larch trees; isolated from Passiflora incarnata; possesses depressant properties in mice; potentiates hexobarbital-induced narcosis & inhibits spontaneous motor activity; structure | 2.06 | 1 | 0 | 4-pyranones | metabolite |
2-chlorobenzoic acid 2-chlorobenzoic acid: RN given refers to parent cpd. chlorobenzoic acid : Any member of the class of benzoic acids in which the benzene ring is substituted by at least one chloro group.. 2-chlorobenzoic acid : A monochlorobenzoic acid having the chloro group at the 2-position. | 1.97 | 1 | 0 | 2-halobenzoic acid; monochlorobenzoic acid | plant hormone; plant metabolite |
vanillic acid Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 2.45 | 2 | 0 | methoxybenzoic acid; monohydroxybenzoic acid | plant metabolite |
shikimic acid Shikimic Acid: A tri-hydroxy cyclohexene carboxylic acid important in biosynthesis of so many compounds that the shikimate pathway is named after it.. shikimic acid : A cyclohexenecarboxylic acid that is cyclohex-1-ene-1-carboxylic acid substituted by hydroxy groups at positions 3, 4 and 5 (the 3R,4S,5R stereoisomer). It is an intermediate metabolite in plants and microorganisms. | 2.76 | 3 | 0 | alpha,beta-unsaturated monocarboxylic acid; cyclohexenecarboxylic acid; hydroxy monocarboxylic acid | Escherichia coli metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
1,2-dihydroxybenzene-3,5-disulfonic acid disodium salt 1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium Salt: A colorimetric reagent for iron, manganese, titanium, molybdenum, and complexes of zirconium. (From Merck Index, 11th ed) | 2.38 | 2 | 0 | organic molecular entity | |
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. | 2.94 | 3 | 0 | catechin | antioxidant; plant metabolite |
indazoles Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | 2 | 1 | 0 | indazole | |
oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 2.67 | 3 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazoles [no description available] | 2 | 1 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
pyrazines Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 2.03 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
hydrazine diamine : Any polyamine that contains two amino groups. | 2 | 1 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
gamma-resorcylic acid [no description available] | 3.28 | 6 | 0 | dihydroxybenzoic acid | metabolite |
citrulline citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 2 | 1 | 0 | amino acid zwitterion; citrulline | Daphnia magna metabolite; EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; protective agent; Saccharomyces cerevisiae metabolite |
4-methylcatechol [no description available] | 2.03 | 1 | 0 | methylcatechol | antioxidant; carcinogenic agent; hapten; human metabolite; plant metabolite |
fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.04 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
methylguanidine Methylguanidine: A product of putrefaction. Poisonous.. methylguanidine : A guanidine in which one of the amino hydrogens of guanidine itself is substituted by a methyl group. | 2 | 1 | 0 | guanidines | EC 1.14.13.39 (nitric oxide synthase) inhibitor; metabolite; uremic toxin |
limestone Calcium Carbonate: Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.. calcium carbonate : A calcium salt with formula CCaO3. | 2.07 | 1 | 0 | calcium salt; carbonate salt; inorganic calcium salt; one-carbon compound | antacid; fertilizer; food colouring; food firming agent |
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. | 2.17 | 1 | 0 | flavanones | |
salicylurate salicylurate: RN given refers to parent cpd. salicyluric acid : An N-acylglycine in which the acyl group is specified as 2-hydroxybenzoyl.. salicylurate : A monocarboxylic acid anion that is the conjugate base of salicyluric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. | 1.96 | 1 | 0 | N-acylglycine; secondary carboxamide | human xenobiotic metabolite; uremic toxin |
kainic acid Kainic Acid: (2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose. | 2.02 | 1 | 0 | dicarboxylic acid; L-proline derivative; non-proteinogenic L-alpha-amino acid; pyrrolidinecarboxylic acid | antinematodal drug; excitatory amino acid agonist |
benzohydroxamic acid [no description available] | 2.03 | 1 | 0 | | |
dipicolinic acid dipicolinic acid : A pyridinedicarboxylic acid carrying two carboxy groups at positions 2 and 6. | 2.51 | 2 | 0 | pyridinedicarboxylic acid | bacterial metabolite |
isovaleric acid isovaleric acid: structure. isovaleric acid : A C5, branched-chain saturated fatty acid. | 2.05 | 1 | 0 | branched-chain saturated fatty acid; methylbutyric acid; short-chain fatty acid | mammalian metabolite; plant metabolite |
n-hydroxyphthalimide N-hydroxyphthalimide: causes contact dermititis | 2.17 | 1 | 0 | | |
syringic acid syringic acid: RN given refers to parent cpd; structure in third source. syringic acid : A dimethoxybenzene that is 3,5-dimethyl ether derivative of gallic acid. | 2.02 | 1 | 0 | benzoic acids; dimethoxybenzene; phenols | plant metabolite |
chlormethiazole Chlormethiazole: A sedative and anticonvulsant often used in the treatment of alcohol withdrawal. Chlormethiazole has also been proposed as a neuroprotective agent. The mechanism of its therapeutic activity is not entirely clear, but it does potentiate GAMMA-AMINOBUTYRIC ACID receptors response and it may also affect glycine receptors. | 2.41 | 2 | 0 | thiazoles | |
tropolone Tropolone: A seven-membered aromatic ring compound. It is structurally related to a number of naturally occurring antifungal compounds (ANTIFUNGAL AGENTS).. tropolone : A cyclic ketone that is cyclohepta-2,4,6-trien-1-one substituted by a hydroxy group at position 2. It is a toxin produced by the agricultural pathogen Burkholderia plantarii. | 2.06 | 1 | 0 | alpha-hydroxy ketone; cyclic ketone; enol | bacterial metabolite; fungicide; toxin |
methoxyhydroxyphenylglycol Methoxyhydroxyphenylglycol: Synthesized from endogenous epinephrine and norepinephrine in vivo. It is found in brain, blood, CSF, and urine, where its concentrations are used to measure catecholamine turnover. | 1.99 | 1 | 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. | 3.38 | 7 | 0 | amphetamines; secondary amine | central nervous system stimulant; environmental contaminant; neurotoxin; psychotropic drug; xenobiotic |
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. | 3.5 | 8 | 0 | dialdehyde | biomarker |
2-nitrobenzaldehyde 2-nitrobenzaldehyde: structure given in first source. 2-nitrobenzaldehyde : Benzaldehyde substituted at the ortho-position with a nitro group. | 2.1 | 1 | 0 | benzaldehydes; C-nitro compound | |
2-hydroxybutyric acid 2-hydroxybutyric acid: RN given refers to cpd without isomeric designation. hydroxybutyric acid : Any compound comprising a butyric acid core carrying at least one hydroxy substituent.. 2-hydroxybutyric acid : A hydroxybutyric acid having a single hydroxyl group located at position 2; urinary secretion of 2-hydroxybutyric acid is increased with alcohol ingestion or vigorous physical exercise and is associated with lactic acidosis and ketoacidosis in humans and diabetes in animals. | 2.05 | 1 | 0 | 2-hydroxy monocarboxylic acid; hydroxybutyric acid | algal metabolite; human metabolite |
1,2-dihydroxynaphthalene 1,2-dihydroxynaphthalene: RN given refers to parent cpd | 2.06 | 1 | 0 | naphthalenediol | mouse metabolite |
8-aminoquinoline [no description available] | 2.06 | 1 | 0 | | |
1,3-indandione 1,3-indandione : A member of the class of indanones that is indane in which the hydrogens at positions 2 and 4 have been replaced by oxo groups. | 2.03 | 1 | 0 | aromatic ketone; beta-diketone; indanones | |
2,3,4-Trihydroxybenzoic acid [no description available] | 2.48 | 2 | 0 | hydroxybenzoic acid | |
2-hydroxyphenylacetic acid 2-hydroxyphenylacetic acid: structure. (2-hydroxyphenyl)acetic acid : A hydroxy monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 2-hydroxyphenyl group. It is a metabolite of phenylalanine and is excreted in the urine of patients suffering from diseases like phenylketonuria. | 2.15 | 1 | 0 | hydroxy monocarboxylic acid; phenols | human metabolite; mouse metabolite |
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.43 | 2 | 0 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
chorismic acid Chorismic Acid: A cyclohexadiene carboxylic acid derived from SHIKIMIC ACID and a precursor for the biosynthesis of UBIQUINONE and the AROMATIC AMINO ACIDS.. chorismic acid : The (3R,4R)-stereoisomer of 5-[(1-carboxyethenyl)oxy]-6-hydroxycyclohexa-1,3-diene-1-carboxylic acid. | 2.94 | 4 | 0 | 5-[(1-carboxyethenyl)oxy]-6-hydroxycyclohexa-1,3-diene-1-carboxylic acid | Escherichia coli metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
6-methyluracil 6-methyluracil: RN given refers to unlabeled cpd; structure. 6-methyluracil : A pyrimidone that is uracil with a methyl group at position 6. | 2.06 | 1 | 0 | pyrimidone | metabolite |
c.i. 42510 Rosaniline Dyes: Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS.. basic fuchsin : A four-component mixture of chemically related dyes comprising pararosanilin, rosanilin, magenta II and new fuchsin in varying amounts. rosanilin : A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. | 2 | 1 | 0 | | |
2-pyrrolecarboxylic acid 2-pyrrolecarboxylic acid: hypocalcemic action; structure. pyrrole-2-carboxylic acid : A pyrrolecarboxylic acid that is 1H-pyrrole carrying a carboxy substituent at position 2. | 2.06 | 1 | 0 | pyrrolecarboxylic acid | plant metabolite |
8-hydroxy-2-methylquinoline 8-hydroxy-2-methylquinoline: structure in first source | 2.06 | 1 | 0 | hydroxyquinoline | |
2-(2'-hydroxyphenyl)benzoxazole 2-(2'-hydroxyphenyl)benzoxazole: structure in first source. 2-(1,3-benzoxazol-2-yl)phenol : A member of the class of 1,3-benzoxazoles that is 1,3-benzoxazole substituted by a 2-hydroxyphenyl group at position 2. | 2.06 | 1 | 0 | 1,3-benzoxazoles; phenols | geroprotector |
3-hydroxypicolinic acid [no description available] | 2.06 | 1 | 0 | monocarboxylic acid; monohydroxypyridine | MALDI matrix material |
2,6-dichloroindophenol 2,6-Dichloroindophenol: A dye used as a reagent in the determination of vitamin C.. 2,6-dichloroindophenol : A quinone imine that is indophenol substituted by chloro groups at positions 2 and 6.. N-3,5-dichloro-4-hydroxyphenyl-1,4-benzoquinone imine : 1,4-benzoquinone imine having a 3,5-dichloro-4-hydroxyphenyl substituent attached to the nitrogen atom. | 1.96 | 1 | 0 | dichlorobenzene; quinone imine | |
cytidine diphosphate choline Cytidine Diphosphate Choline: Donor of choline in biosynthesis of choline-containing phosphoglycerides. | 2.01 | 1 | 0 | nucleotide-(amino alcohol)s; phosphocholines | human metabolite; mouse metabolite; neuroprotective agent; psychotropic drug; Saccharomyces cerevisiae metabolite |
tetramethylpyrazine tetramethylpyrazine: found in Ligusticum chuanxiong. tetramethylpyrazine : A member of the class of pyrazines that is pyrazine in which all four hydrogens have been replaced by methyl groups. An alkaloid extracted from Chuanxiong (Ligusticum wallichii). | 2.03 | 1 | 0 | alkaloid; pyrazines | antineoplastic agent; apoptosis inhibitor; bacterial metabolite; neuroprotective agent; platelet aggregation inhibitor; vasodilator agent |
8-hydroxyquinoline N-oxide 8-hydroxyquinoline N-oxide : A quinoline N-oxide carrying a hydroxy substituent at position 8. | 2.06 | 1 | 0 | monohydroxyquinoline; quinoline N-oxide | |
ethylenediamine-n,n'-bis(2-hydroxyphenylacetic acid) ethylenediamine-N,N'-bis(2-hydroxyphenylacetic acid): synthetic iron chelator; RN given refers to parent cpd; structure in 3rd source | 3.48 | 2 | 0 | | |
sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.05 | 1 | 0 | alkali metal hydroxide | |
vancomycin Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile. | 8.54 | 2 | 0 | glycopeptide | antibacterial drug; antimicrobial agent; bacterial metabolite |
d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 2.4 | 2 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
clopyralid clopyralid : An organochlorine pesticide having a 3,6-dichlorinated picolinic acid structure. | 2.06 | 1 | 0 | organochlorine pesticide; pyridines | herbicide |
2,2'-biphenol biphenyl-2,2'-diol : A member of the class of hydroxybiphenyls carrying hydroxy groups at positions 2 and 2'. | 1.98 | 1 | 0 | hydroxybiphenyls | |
paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.42 | 2 | 0 | organic cation | geroprotector; herbicide |
2-(2-hydroxyphenyl)benzothiazole 2-(1,3-benzothiazol-2-yl)phenol : A member of the class of benzothiazoles that is 1,3-benzothiazole substituted by a 2-hydroxyphenyl group at position 2. | 2.06 | 1 | 0 | benzothiazoles; phenols | geroprotector |
streptomycin [no description available] | 1.99 | 1 | 0 | antibiotic antifungal drug; antibiotic fungicide; streptomycins | antibacterial drug; antifungal agrochemical; antimicrobial agent; antimicrobial drug; bacterial metabolite; protein synthesis inhibitor |
l 451167 L 451167: structure given in first source | 2 | 1 | 0 | | |
ethyl maltol ethyl maltol: structure given in first source | 2.06 | 1 | 0 | pyranone | |
2-aminobenzyl alcohol 2-aminobenzyl alcohol: structure given in first source | 2.15 | 1 | 0 | | |
diadenosine tetraphosphate P(1),P(4)-bis(5'-adenosyl) tetraphosphate : A diadenosyl tetraphosphate compound having the two 5'-adenosyl residues attached at the P(1)- and P(4)-positions. | 2.05 | 1 | 0 | diadenosyl tetraphosphate | Escherichia coli metabolite; mouse 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. | 2.4 | 2 | 0 | amino dicarboxylic acid; D-alpha-amino acid; D-aspartic acid derivative; secondary amino compound | neurotransmitter agent |
manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 1.99 | 1 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
tantalum Tantalum: A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices. | 2.06 | 1 | 0 | vanadium group element atom | |
titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 2.41 | 2 | 0 | titanium group element atom | |
chromium Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 2 | 1 | 0 | chromium group element atom; metal allergen | micronutrient |
uranium Uranium: A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors. | 2.02 | 1 | 0 | actinoid atom; f-block element atom; monoatomic uranium | |
yttrium Yttrium: An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers. | 2.02 | 1 | 0 | d-block element atom; rare earth metal atom; scandium group element atom | |
cupric chloride cupric chloride: RN given refers to unlabeled parent cpd. copper(II) chloride : An inorganic chloride of copper in which the metal is in the +2 oxidation state. | 1.96 | 1 | 0 | copper molecular entity; inorganic chloride | EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor |
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. | 1.99 | 1 | 0 | chlorine oxoacid; reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; human metabolite |
ferric chloride ferric chloride: RN given refers to cpd with MF of Fe-Cl3; used to induce experimental arterial thrombosis to evaluate antithrombotic agents | 2.41 | 2 | 0 | iron coordination entity | astringent; Lewis acid |
ferrous sulfate ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 2.05 | 1 | 0 | iron molecular entity; metal sulfate | reducing agent |
ferrous chloride ferrous chloride: induces convulsions; RN given refers to parent cpd | 2.01 | 1 | 0 | iron coordination entity | |
copper sulfate Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.. copper(II) sulfate : A metal sulfate compound having copper(2+) as the metal ion. | 2 | 1 | 0 | metal sulfate | emetic; fertilizer; sensitiser |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.41 | 2 | 0 | dihydrogen | |
ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 3.38 | 1 | 1 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
ancitabine Ancitabine: Congener of CYTARABINE that is metabolized to cytarabine and thereby maintains a more constant antineoplastic action.. ancitabine : An organic heterotricyclic compound resulting from the formal condensation of the oxo group of cytidine to the 2' position with loss of water to give the corresponding cyclic ether. A prodrug, it is metabolised to the antineoplastic agent cytarabine, so is used to maintain a more constant antineoplastic action. | 1.99 | 1 | 0 | diol; organic heterotricyclic compound | antimetabolite; antineoplastic agent; prodrug |
titanium dioxide titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 2.41 | 2 | 0 | titanium oxides | food colouring |
selegiline Selegiline: A selective, irreversible inhibitor of Type B monoamine oxidase that is used for the treatment of newly diagnosed patients with PARKINSON DISEASE, and for the treatment of depressive disorders. The compound without isomeric designation is Deprenyl. | 2.4 | 2 | 0 | selegiline; terminal acetylenic compound | geroprotector |
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. | 1.97 | 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 |
2,3-dihydroxypyridine 2,3-dihydroxypyridine: affects thyroid function. pyridine-2,3-diol : A dihydroxypyridine in which the two hydroxy groups are located at positions 2 and 3. | 2.06 | 1 | 0 | dihydroxypyridine | |
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. | 1.98 | 1 | 0 | benzenes; phenyl acetates | |
acetylacetone acetylacetone : A beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups. | 2.06 | 1 | 0 | beta-diketone | |
1,4-dioxane 1,4-dioxane: dehydrating agent; polar solvent miscible both with water & most organic solvents. dioxane : Any member of the class of dioxanes that is a cyclohexane in which two carbon atoms are replaced by oxygen atoms.. 1,4-dioxane : A dioxane with oxygen atoms at positions 1 and 4. | 1.99 | 1 | 0 | dioxane; volatile organic compound | carcinogenic agent; metabolite; NMR chemical shift reference compound; non-polar solvent |
transferrin Transferrin: An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. | 2.37 | 2 | 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. | 4.08 | 15 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.38 | 2 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
enterobactin [no description available] | 5.96 | 20 | 0 | catechols; crown compound; macrotriolide; polyphenol | bacterial metabolite; siderophore |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2.17 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
7-hydroxytropolone 7-hydroxytropolone: structure | 2.17 | 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. | 1.99 | 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 |
1-methyl-4-phenylpyridinium 1-Methyl-4-phenylpyridinium: An active neurotoxic metabolite of 1-METHYL-4-PHENYL-1,2,3,6-TETRAHYDROPYRIDINE. The compound reduces dopamine levels, inhibits the biosynthesis of catecholamines, depletes cardiac norepinephrine and inactivates tyrosine hydroxylase. These and other toxic effects lead to cessation of oxidative phosphorylation, ATP depletion, and cell death. The compound, which is related to PARAQUAT, has also been used as an herbicide.. N-methyl-4-phenylpyridinium : A pyridinium ion that is N-methylpyridinium having a phenyl substituent at the 4-position. | 3.62 | 9 | 0 | pyridinium ion | apoptosis inducer; herbicide; human xenobiotic metabolite; neurotoxin |
ng-nitroarginine methyl ester NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension. | 3.5 | 8 | 0 | alpha-amino acid ester; L-arginine derivative; methyl ester; N-nitro compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid [no description available] | 2 | 1 | 0 | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor |
paroxetine Paroxetine: A serotonin uptake inhibitor that is effective in the treatment of depression.. paroxetine : A benzodioxole that consists of piperidine bearing 1,3-benzodioxol-5-yloxy)methyl and 4-fluorophenyl substituents at positions 3 and 4 respectively; the (3S,4R)-diastereomer. Highly potent and selective 5-HT uptake inhibitor that binds with high affinity to the serotonin transporter (Ki = 0.05 nM). Ki values are 1.1, 350 and 1100 nM for inhibition of [3H]-5-HT, [3H]-l-NA and [3H]-DA uptake respectively. Displays minimal affinity for alpha1-, alpha2- or beta-adrenoceptors, 5-HT2A, 5-HT1A, D2 or H1 receptors at concentrations below 1000 nM, however displays weak affinity for muscarinic ACh receptors (Ki = 42 nM). Antidepressant and anxiolytic in vivo. | 2 | 1 | 0 | aromatic ether; benzodioxoles; organofluorine compound; piperidines | antidepressant; anxiolytic drug; hepatotoxic agent; P450 inhibitor; serotonin uptake inhibitor |
captopril Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. | 2.04 | 1 | 0 | alkanethiol; L-proline derivative; N-acylpyrrolidine; pyrrolidinemonocarboxylic acid | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
nicorandil Nicorandil: A derivative of the NIACINAMIDE that is structurally combined with an organic nitrate. It is a potassium-channel opener that causes vasodilatation of arterioles and large coronary arteries. Its nitrate-like properties produce venous vasodilation through stimulation of guanylate cyclase.. nicorandil : A pyrimidinecarboxamide that is nicotinamide in which one of the hydrogens attached to the carboxamide nitrogen is replaced by a 2-(nitrooxy)ethyl group. It has both nitrate-like and ATP-sensitive potassium channel activator properties, and is used for the prevention and treatment of angina pectoris. | 2.73 | 3 | 0 | nitrate ester; pyridinecarboxamide | potassium channel opener; vasodilator agent |
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 | 1 | 0 | diamine; methyl sulfide; organic heterotetracyclic compound | antiparkinson drug; dopamine agonist |
colforsin Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 2.07 | 1 | 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 |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.04 | 1 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
ferric citrate ferric citrate: RN given refers to Fe(+3)[1:1] salt. iron(III) citrate : An iron chelate resulting from the combination of iron(3+) and citrate(3-). | 1.96 | 1 | 0 | iron chelate | anti-anaemic agent; nutraceutical |
edda EDDA: RN given refers to parent cpd. ethylenediaminediacetic acid : An ethylenediamine derivative in which two of the four amine protons of ethylenediamine are replaced by carboxymethyl groups. | 2.38 | 2 | 0 | amino dicarboxylic acid; ethylenediamine derivative; glycine derivative; polyamino carboxylic acid | bacterial xenobiotic metabolite; chelator |
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. | 4.02 | 4 | 0 | D-glucopyranose | epitope; mouse metabolite |
baicalin [no description available] | 2.03 | 1 | 0 | dihydroxyflavone; glucosiduronic acid; glycosyloxyflavone; monosaccharide derivative | antiatherosclerotic agent; antibacterial agent; anticoronaviral agent; antineoplastic agent; antioxidant; cardioprotective agent; EC 2.7.7.48 (RNA-directed RNA polymerase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; ferroptosis inhibitor; neuroprotective agent; non-steroidal anti-inflammatory drug; plant metabolite; prodrug |
allicin [no description available] | 1.98 | 1 | 0 | botanical anti-fungal agent; sulfoxide | antibacterial agent |
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. | 2.74 | 3 | 0 | flavans; gallate ester; polyphenol | antineoplastic agent; antioxidant; apoptosis inducer; geroprotector; Hsp90 inhibitor; neuroprotective agent; plant metabolite |
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. | 2.11 | 1 | 0 | gallate ester; galloyl beta-D-glucose | anti-inflammatory agent; antineoplastic agent; geroprotector; hepatoprotective agent; plant metabolite; radiation protective agent; radical scavenger |
glutathione disulfide Glutathione Disulfide: A GLUTATHIONE dimer formed by a disulfide bond between the cysteine sulfhydryl side chains during the course of being oxidized. | 1.99 | 1 | 0 | glutathione derivative; organic disulfide | Escherichia coli metabolite; mouse metabolite |
2,4,6-trihydroxybenzoic acid [no description available] | 3.35 | 1 | 0 | hydroxybenzoic acid | |
2,3,5,6-tetrachlorohydroquinone [no description available] | 2 | 1 | 0 | chlorohydroquinones; tetrachlorobenzene | |
1,7-phenanthroline [no description available] | 1.98 | 1 | 0 | phenanthroline | |
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 2.01 | 1 | 0 | 1,2,3-triazole | |
5-fluorosalicylic acid 5-fluorosalicylic acid: structure given in first source; product from action of alkaline phosphatase on 5-fluorosalicyl phosphate; forms highly fluorescent terbium ternary complex | 2.06 | 1 | 0 | | |
2,4,6-trihydroxyacetophenone monoacetylphloroglucinol: structure in first source. 2',4',6'-trihydroxyacetophenone : A benzenetriol that is acetophenone in which the hydrogens at positions 2, 4, and 6 on the phenyl group are replaced by hydroxy groups. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of acidic glycans and glycopeptides. | 2.05 | 1 | 0 | aromatic ketone; benzenetriol; methyl ketone | MALDI matrix material; plant metabolite |
pyromeconic acid pyromeconic acid: from herb Dengzhanhua; structure | 2.51 | 2 | 0 | | |
2-hydroxypyrimidine pyrimidone : A pyrimidine carrying one or more oxo substituents.. pyrimidin-2-ol : The hydroxypyrimidine that is pyrimidine mono-substituted at C-2 by a hydroxy group. | 2.06 | 1 | 0 | hydroxypyrimidine | electron donor; Lewis base |
4-aminobenzyl alcohol 4-aminobenzyl alcohol: structure | 2.15 | 1 | 0 | | |
allomaltol allomaltol: structure in first source | 2.51 | 2 | 0 | | |
1-hydroxy-2(1h)-pyridinone 1-hydroxy-2(1H)-pyridinone: structure in first source | 2.06 | 1 | 0 | | |
acamprosate Acamprosate: Structural analog of taurine that is used for the prevention of relapse in individuals with ALCOHOLISM.. acamprosate : An organosulfonic acid that is propane-1-sulfonic acid substituted by an acetylamino group at position 3. | 2.02 | 1 | 0 | acetamides; organosulfonic acid | environmental contaminant; neurotransmitter agent; xenobiotic |
cromakalim Cromakalim: A potassium-channel opening vasodilator that has been investigated in the management of hypertension. It has also been tried in patients with asthma. (Martindale, The Extra Pharmacopoeia, 30th ed, p352) | 2.44 | 2 | 0 | | |
epicatechin (-)-epicatechin : A catechin with (2R,3R)-configuration. | 2.48 | 2 | 0 | catechin; polyphenol | antioxidant |
gallocatechol (-)-epigallocatechin : A flavan-3,3',4',5,5',7-hexol having (2R,3R)-configuration. | 2.05 | 1 | 0 | catechin; flavan-3,3',4',5,5',7-hexol | antioxidant; food component; plant metabolite |
magnolol [no description available] | 2.08 | 1 | 0 | biphenyls | |
indole-2-carboxylic acid [no description available] | 2.05 | 1 | 0 | indolyl carboxylic acid | |
(-)-catechin (-)-catechin : The (-)-enantiomer of catechin. | 2.11 | 1 | 0 | catechin | metabolite |
2,2'-dipicolylamine 2,2'-dipicolylamine: structure in first source | 2.06 | 1 | 0 | | |
8-hydroxy-2-quinolinecarboxylic acid [no description available] | 2.06 | 1 | 0 | quinolines | |
3-chloro-2,4-pentanedione 3-chloro-2,4-pentanedione: structure in first source | 2.06 | 1 | 0 | | |
3-(3,4-dimethoxyphenyl)propanoic acid 3-(3,4-dimethoxyphenyl)propanoic acid : A monocarboxylic acid that is propanoic acid substituted by a 3,4-dimethoxyphenyl group at position 3. | 2.11 | 1 | 0 | dimethoxybenzene; monocarboxylic acid | |
3,4-dihydroxymandelic acid 3,4-dihydroxymandelic acid: metabolite of L-dopa; RN given refers to parent cpd without isomeric designation. 3,4-dihydroxymandelic acid : A catechol that is the 3,4-dihydroxy derivative of mandelic acid; a metabolite of L-dopa. | 1.96 | 1 | 0 | 2-hydroxy monocarboxylic acid; catechols | antioxidant; drug metabolite; human metabolite; mouse metabolite |
1-methyl-2-ethyl-3-hydroxypyridin-4-one [no description available] | 2.06 | 1 | 0 | | |
cp094 1,2-diethyl-3-hydroxypyridin-4-one: structure given in first source | 2.43 | 2 | 0 | | |
fludioxonil fludioxonil: structure in first source. fludioxonil : A member of the class of benzodioxoles that is 2,2-difluoro-1,3-benzodioxole substituted at position 4 by a 3-cyanopyrrol-4-yl group. A fungicide seed treatment for control of a range of diseases including Fusarium, Rhizoctonia and Alternaria. | 2.04 | 1 | 0 | benzodioxoles; nitrile; organofluorine compound; pyrroles | androgen antagonist; antifungal agrochemical; estrogen receptor agonist |
1-methyl-3-hydroxypyridine-2-one [no description available] | 2.06 | 1 | 0 | | |
2,3-dihydroxybenzaldehyde dihydroxybenzaldehyde : Any member of the class of benzaldehydes in which the phenyl ring is substituted by two hydroxy groups. | 2.04 | 1 | 0 | dihydroxybenzaldehyde | |
goethite [no description available] | 2.03 | 1 | 0 | | |
3,4-dihydroxybenzylamine 3,4-dihydroxybenzylamine: RN given refers to parent cpd; structure | 2.07 | 1 | 0 | catechols | |
1-ethyl-2-methyl-3-hydroxypyridin-4-one [no description available] | 2.06 | 1 | 0 | | |
2-acetylcyclopentanone 2-acetylcyclopentanone: an enolate-forming compound that is protective against electrophilic drugs; structure in first source | 2.06 | 1 | 0 | | |
u 74389f U 74389F: a 21-aminosteroid antioxidant (lazaroids); inhibitor of iron-dependent lipid peroxidation; structure in first source | 2.39 | 2 | 0 | | |
6-hydroxydopa 6-hydroxydopa: RN given refers to cpd without isomeric designation | 2 | 1 | 0 | non-proteinogenic alpha-amino acid | |
epicatechin gallate epicatechin gallate: a steroid 5alpha-reductase inhibitor; RN given refers to the (cis)-isomer; structure given in first source; isolated from green tea. (-)-epicatechin-3-O-gallate : A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida. | 2.05 | 1 | 0 | catechin; gallate ester; polyphenol | EC 3.2.1.1 (alpha-amylase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; metabolite |
3,5-dihydroxyphenylglycine 3,5-dihydroxyphenylglycine: a potent agonst of metabotropic glutamate receptors | 2 | 1 | 0 | alpha-amino acid | |
4'-phosphopantetheine D-pantetheine 4'-phosphate : Pantetheine 4'-phosphate with D (R) configuration at the 2' position. | 1.99 | 1 | 0 | pantetheine 4'-phosphate | prosthetic group |
1-trichloromethyl-1,2,3,4-tetrahydro-beta-carboline 1-trichloromethyl-1,2,3,4-tetrahydro-beta-carboline: structure given in first source | 1.99 | 1 | 0 | | |
dopachrome dopachrome: cyclization product of L-DOPA | 1.98 | 1 | 0 | orthoquinones | |
pramipexole Pramipexole: A benzothiazole derivative and dopamine agonist with antioxidant properties that is used in the treatment of PARKINSON DISEASE and RESTLESS LEGS SYNDROME.. pramipexole : A member of the class of benzothiazoles that is 4,5,6,7-tetrahydro-1,3-benzothiazole in which the hydrogens at the 2 and 6-pro-S-positions are substituted by amino and propylamino groups, respectively. | 2 | 1 | 0 | benzothiazoles; diamine | antidyskinesia agent; antiparkinson drug; dopamine agonist; radical scavenger |
aaptamine aaptamine: natural product from sea sponge Aaptos aaptos; structure given in first source; RN from CA Index Guide 1984 | 2.07 | 1 | 0 | | |
aerobactin [no description available] | 2.37 | 2 | 0 | L-lysine derivative | Escherichia coli metabolite; siderophore; virulence factor |
lacto-n-difucohexose ii [no description available] | 2.05 | 1 | 0 | | |
beta-lipotropin, gln(9)- corynebactin: a triscatechol derivative of a cyclic triserine lactone; siderophore synthesized by Corynebacterium diphtheriae. corynebactin : A crown compound that is enterobactin in which the pro-R hydrogens at positions 2, 6 and 10 of the trilactone backbone are replaced by methyl groups, and in which a glycine spacer separates the trilactone backbone from each of the catecholamide arms. It is the endogenous siderophore of Bacillus subtilis, used for the acquisition of iron. | 2.95 | 4 | 0 | catechols; crown compound; macrocyclic lactone | bacterial metabolite; metabolite |
ly 274614 LY 235959: RN refers to (3S-(3alpha,4aalpha,6beta,8aalpha))-isomer | 2.44 | 2 | 0 | | |
alpha-guanidinoglutaric acid alpha-guanidinoglutaric acid: identified in the convulsive period of cobalt-induced seizures from cat cerebral cortex; RN given for cpd with unspecified guanidino-locant | 2 | 1 | 0 | L-glutamic acid derivative | |
tyrosinamide tyrosinamide: RN given refers to (S)-isomer. L-tyrosinamide : An amino acid amide that is L-tyrosine in which the carboxy OH group is replaced by NH2. | 2.02 | 1 | 0 | amino acid amide; L-tyrosine derivative | |
2,3-dihydroxybenzoylserine 2,3-dihydroxybenzoylserine: RN given refers to (L)-isomer | 2.38 | 2 | 0 | L-serine derivative | Escherichia coli metabolite |
8-(methylsulfonylamino)quinoline 8-(methylsulfonylamino)quinoline: has diabetogenic properties; structure given in first source | 2.06 | 1 | 0 | | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 9.73 | 162 | 2 | oxygen hydride; oxygen radical; reactive oxygen species | |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 2.39 | 2 | 0 | | |
3,5-dihydroxyphenylpropionic acid 3,5-dihydroxyphenylpropionic acid: structure | 2.06 | 1 | 0 | benzenes; monocarboxylic acid | |
3,4-dihydroxyphenylpyruvic acid 3,4-dihydroxyphenylpyruvic acid: metabolite of L-dopa; RN given refers to unlabeled parent cpd. 3,4-dihydroxyphenylpyruvic acid : A 2-oxo monocarboxylic acid that is pyruvic acid in which one of the methyl hydrogens is substituted by a 3,4-dihydroxyphenyl group. | 2.81 | 3 | 0 | 2-oxo monocarboxylic acid | metabolite |
agrobactin agrobactin: iron transport compound (siderophore) from Agrobacterium tumefaciens; structure | 1.96 | 1 | 0 | | |
lignin Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure. | 1.99 | 1 | 0 | | |
1,4,7-triazacyclononane 1,4,7-triazacyclononane: structure given in first source | 2.06 | 1 | 0 | azacycloalkane; crown amine; saturated organic heteromonocyclic parent | |
isochorismic acid isochorismic acid: structure given in first source | 2.05 | 1 | 0 | 5-[(1-carboxyethenyl)oxy]-6-hydroxycyclohexa-1,3-diene-1-carboxylic acid | |
erythritol [no description available] | 7.44 | 2 | 0 | butane-1,2,3,4-tetrol | antioxidant; human metabolite; plant metabolite |
cortisone [no description available] | 2.33 | 2 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
3-nitrotyrosine 3-nitrotyrosine: RN given refers to parent cpd without isomeric designation. 3-nitrotyrosine : A nitrotyrosine comprising tyrosine having a nitro group at the 3-position on the phenyl ring. | 2.41 | 2 | 0 | 2-nitrophenols; C-nitro compound; nitrotyrosine; non-proteinogenic alpha-amino acid | |
3,4-dihydroxyphenylpropionic acid 3,4-dihydroxyphenylpropionic acid: metabolite of caffeic acid; RN given refers to parent cpd; structure. 3-(3,4-dihydroxyphenyl)propanoic acid : A monocarboxylic acid that is 3-phenylpropionic acid substituted by hydroxy groups at positions 3 and 4. Also known as dihydrocaffeic acid, it is a metabolite of caffeic acid and exhibits antioxidant activity. | 2.94 | 4 | 0 | (dihydroxyphenyl)propanoic acid | antioxidant; human xenobiotic metabolite |
naringenin (S)-naringenin : The (S)-enantiomer of naringenin. | 2.11 | 1 | 0 | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
pantetheine Pantetheine: An intermediate in the pathway of coenzyme A formation in mammalian liver and some microorganisms.. pantetheine : An amide obtained by formal condensation of the carboxy group of pantothenic acid and the amino group of cysteamine. | 1.99 | 1 | 0 | pantetheines; thiol | human metabolite; metabolite; mouse metabolite |
ouabain Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 1.99 | 1 | 0 | 11alpha-hydroxy steroid; 14beta-hydroxy steroid; 5beta-hydroxy steroid; alpha-L-rhamnoside; cardenolide glycoside; steroid hormone | anti-arrhythmia drug; cardiotonic drug; EC 2.3.3.1 [citrate (Si)-synthase] inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; ion transport inhibitor; plant metabolite |
salicin [no description available] | 3.19 | 1 | 0 | aromatic primary alcohol; aryl beta-D-glucoside; benzyl alcohols | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug |
tartaric acid tartaric acid: RN given refers to cpd with unspecified isomeric designation. D-tartaric acid : The D-enantiomer of tartaric acid. | 2.05 | 1 | 0 | tartaric acid | Escherichia coli metabolite |
nitroarginine Nitroarginine: An inhibitor of nitric oxide synthetase which has been shown to prevent glutamate toxicity. Nitroarginine has been experimentally tested for its ability to prevent ammonia toxicity and ammonia-induced alterations in brain energy and ammonia metabolites. (Neurochem Res 1995:200(4):451-6). N(gamma)-nitro-L-arginine : An L-arginine derivative that is L-arginine in which the terminal nitrogen of the guanidyl group is replaced by a nitro group. | 2.01 | 1 | 0 | guanidines; L-arginine derivative; N-nitro compound; non-proteinogenic L-alpha-amino acid | |
dehydroascorbic acid Dehydroascorbic Acid: The reversibly oxidized form of ascorbic acid. It is the lactone of 2,3-DIKETOGULONIC ACID and has antiscorbutic activity in man on oral ingestion.. L-dehydroascorbate : An organic anion and the conjugate base of L-dehydroascorbic acid, arising from deprotonation of the acidic C2-position.. L-dehydroascorbic acid : Dehydroascorbic acid having the L-configuration. | 2.05 | 1 | 0 | dehydroascorbic acid; vitamin C | coenzyme; mouse metabolite |
arbutin hydroquinone O-beta-D-glucopyranoside : A monosaccharide derivative that is hydroquinone attached to a beta-D-glucopyranosyl residue at position 4 via a glycosidic linkage. | 2.11 | 1 | 0 | beta-D-glucoside; monosaccharide derivative | Escherichia coli metabolite; plant metabolite |
vibriobactin vibriobactin: siderophore (iron transport cpd) from Vibrio cholera; structure given in first source. vibriobactin : A catecholate siderophore produced exclusively by Vibrio cholerae. It contains three molecules of 2,3-dihydroxybenzoate linked either directly or through L-threonine residues to the polyamine norspermidine. | 1.99 | 1 | 0 | 1,3-oxazoles; secondary carboxamide | siderophore |
naringin [no description available] | 2.11 | 1 | 0 | (2S)-flavan-4-one; 4'-hydroxyflavanones; dihydroxyflavanone; disaccharide derivative; neohesperidoside | anti-inflammatory agent; antineoplastic agent; metabolite |
lignans Lignans: A class of dibenzylbutane derivatives which occurs in higher plants and in fluids (bile, serum, urine, etc.) in man and other animals. These compounds, which have a potential anti-cancer role, can be synthesized in vitro by human fecal flora. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) | 2.08 | 1 | 0 | | |
betadex beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.05 | 1 | 0 | cyclodextrin | |
acarbose [no description available] | 2.11 | 1 | 0 | amino cyclitol; glycoside | |
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 | 2.05 | 1 | 0 | cinnamic acid | plant metabolite |
trichostatin a trichostatin A: chelates zinc ion in the active site of histone deacetylases, resulting in preventing histone unpacking so DNA is less available for transcription; do not confuse with TRICHOSANTHIN which is a protein; found in STREPTOMYCES | 2.05 | 1 | 0 | antibiotic antifungal agent; hydroxamic acid; trichostatin | bacterial metabolite; EC 3.5.1.98 (histone deacetylase) inhibitor; geroprotector |
arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 2.01 | 1 | 0 | icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid | Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite |
ferulic acid ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.48 | 2 | 0 | ferulic acids | anti-inflammatory agent; antioxidant; apoptosis inhibitor; cardioprotective agent; MALDI matrix material; plant metabolite |
h 89 N-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide: structure given in first source. N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide : A member of the class of isoquinolines that is the sulfonamide obtained by formal condensation of the sulfo group of isoquinoline-5-sulfonic acid with the primary amino group of N(1)-[3-(4-bromophenyl)prop-2-en-1-yl]ethane-1,2-diamine. It is a protein kinase A inhibitor.. (E)-N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide : A N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide in which the double bond adopts a trans-configuration. | 2.07 | 1 | 0 | N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide | |
potassium bicarbonate potassium hydrogencarbonate : A potassium salt that is the monopotassium salt of carbonic acid. It has fungicidal properties and is used in organic farming for the control of powdery mildew and apple scab. | 2.43 | 2 | 0 | organic salt; potassium salt | antifungal agrochemical; buffer; food acidity regulator; raising agent |
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 | |
glycosides [no description available] | 2.48 | 2 | 0 | | |
chalcone trans-chalcone : The trans-isomer of chalcone. | 2.11 | 1 | 0 | chalcone | EC 3.2.1.1 (alpha-amylase) inhibitor |
sinapinic acid sinapinic acid: a matrix for matrix-assisted laser desorption technique for protein MW determination; a constituent of propolis. trans-sinapic acid : A sinapic acid in which the double bond has trans-configuration. | 2.11 | 1 | 0 | sinapic acid | MALDI matrix material; plant metabolite |
phenyl-n-tert-butylnitrone phenyl-N-tert-butylnitrone: a spin-trapping agent | 3.26 | 6 | 0 | | |
sorbic acid Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 2.72 | 3 | 0 | alpha,beta-unsaturated monocarboxylic acid; sorbic acid | |
methylthiouracil Methylthiouracil: A thiourea antithyroid agent that inhibits the synthesis of thyroid hormone. It is used in the treatment of hyperthyroidism. | 2.06 | 1 | 0 | pyrimidone | |
4,6-dimethyl-2-thiopyrimidine 4,6-dimethyl-2-thiopyrimidine: structure | 2.06 | 1 | 0 | | |
rhodotorulic acid rhodotorulic acid: RN given refers to (1S-cis)-isomer; structure. rhodotorulic acid : A member of the class of 2,5-diketopiperazines obtained by cyclodimerisation of N(5)-acetyl-N(5)-hydroxy-L-ornithine. | 3.78 | 3 | 0 | 2,5-diketopiperazines; hydroxamic acid; L-ornithine derivative | fungal metabolite; siderophore |
caffeic acid trans-caffeic acid : The trans-isomer of caffeic acid. | 2.94 | 4 | 0 | caffeic acid | geroprotector; mouse metabolite |
isoferulic acid isoferulic acid: isomer of ferulic acid; structure. isoferulic acid : A ferulic acid consisting of trans-cinnamic acid bearing methoxy and hydroxy substituents at positions 4 and 3 respectively on the phenyl ring. | 2.11 | 1 | 0 | ferulic acids | antioxidant; biomarker; metabolite |
4-(4-(4-chloro-phenyl)thiazol-2-ylamino)phenol [no description available] | 2.11 | 1 | 0 | substituted aniline | |
thiouracil Thiouracil: Occurs in seeds of Brassica and Crucifera species. Thiouracil has been used as antithyroid, coronary vasodilator, and in congestive heart failure although its use has been largely supplanted by other drugs. It is known to cause blood dyscrasias and suspected of terato- and carcinogenesis.. thiouracil : A nucleobase analogue that is uracil in which the oxo group at C-2 is replaced by a thioxo group. | 2.06 | 1 | 0 | nucleobase analogue; thiocarbonyl compound | antithyroid drug; metabolite |
chlorogenic acid caffeoylquinic acid: Antiviral Agent; structure in first source. chlorogenate : A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3. | 2.05 | 1 | 0 | cinnamate ester; tannin | food component; plant metabolite |
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. | 2.68 | 3 | 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. | 2.01 | 1 | 0 | aminoxyls; piperidines | catalyst; ferroptosis inhibitor; radical scavenger |
4-thiouracil [no description available] | 2.06 | 1 | 0 | | |
laccase Laccase: A copper-containing oxidoreductase enzyme that catalyzes the oxidation of 4-benzenediol to 4-benzosemiquinone. It also has activity towards a variety of O-quinols and P-quinols. It primarily found in FUNGI and is involved in LIGNIN degradation, pigment biosynthesis and detoxification of lignin-derived products. | 1.96 | 1 | 0 | | |
5-hydroxycytosine [no description available] | 2 | 1 | 0 | | |
6-methyl-2-(phenylethynyl)pyridine 6-methyl-2-(phenylethynyl)pyridine: an mGlu5 antagonist. 2-methyl-6-(phenylethynyl)pyridine : A methylpyridine that coinsists of 2-methylp[yridine bearing an additional phenylethynyl group at position 6. Potent and highly selective non-competitive antagonist at the mGlu5 receptor subtype (IC50 = 36 nM) and a positive allosteric modulator at mGlu4 receptors. Centrally active following systemic administration in vivo. Reverses mechanical hyperalgesia in the inflamed rat hind paw. | 2.01 | 1 | 0 | acetylenic compound; methylpyridines | anxiolytic drug; metabotropic glutamate receptor antagonist |
2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline 2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline: structure given in first source; neuroprotectant for cerebral ischemia; AMPA receptor antagonist | 2.02 | 1 | 0 | naphthalenes; sulfonic acid derivative | |
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 |
3-hydroxy-2-methyl-4h-pyran-4-thione 3-hydroxy-2-methyl-4H-pyran-4-thione: inhibits Bla2 beta-lactamase; structure in first source | 2.06 | 1 | 0 | | |
naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.03 | 1 | 0 | | |
2-nitrobenzoate 2-nitrobenzoate: structure in first source | 2.1 | 1 | 0 | nitrobenzoate | |
sodium butyrate [no description available] | 2.05 | 1 | 0 | organic sodium salt | EC 3.5.1.98 (histone deacetylase) inhibitor; geroprotector |
quercetin [no description available] | 2.6 | 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. | 2.71 | 3 | 0 | prostaglandins E | human metabolite; mouse metabolite; oxytocic |
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. | 2.54 | 2 | 0 | trihydroxyflavone | antineoplastic agent; metabolite |
luteolin [no description available] | 2.6 | 1 | 0 | 3'-hydroxyflavonoid; tetrahydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; c-Jun N-terminal kinase inhibitor; EC 2.3.1.85 (fatty acid synthase) inhibitor; immunomodulator; nephroprotective agent; plant metabolite; radical scavenger; vascular endothelial growth factor receptor antagonist |
quercitrin [no description available] | 2.11 | 1 | 0 | alpha-L-rhamnoside; monosaccharide derivative; quercetin O-glycoside; tetrahydroxyflavone | antileishmanial agent; antioxidant; EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.14.18.1 (tyrosinase) inhibitor; plant metabolite |
scopoletin [no description available] | 2.11 | 1 | 0 | hydroxycoumarin | plant growth regulator; plant metabolite |
vitamin k semiquinone radical vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 1.99 | 1 | 0 | | |
leukotriene b4 Leukotriene B4: The major metabolite in neutrophil polymorphonuclear leukocytes. It stimulates polymorphonuclear cell function (degranulation, formation of oxygen-centered free radicals, arachidonic acid release, and metabolism). (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene B4 : A leukotriene composed of (6Z,8E,10E,14Z)-icosatetraenoic acid having (5S)- and (12R)-hydroxy substituents. It is a lipid mediator of inflammation that is generated from arachidonic acid via the 5-lipoxygenase pathway. | 1.99 | 1 | 0 | dihydroxy monocarboxylic acid; hydroxy polyunsaturated fatty acid; leukotriene; long-chain fatty acid | human metabolite; mouse metabolite; plant metabolite; vasoconstrictor agent |
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. | 2.11 | 1 | 0 | beta-D-glucoside; glycosyloxyflavone; monosaccharide derivative; trihydroxyflavone | antioxidant; plant metabolite |
quercetin 3-o-glucopyranoside quercetin 3-O-glucopyranoside: structure in first source. quercetin 3-O-beta-D-glucopyranoside : A quercetin O-glucoside that is quercetin with a beta-D-glucosyl residue attached at position 3. Isolated from Lepisorus contortus, it exhibits antineoplastic activityand has been found to decrease the rate of polymerization and sickling of red blood cells | 2.11 | 1 | 0 | beta-D-glucoside; monosaccharide derivative; quercetin O-glucoside; tetrahydroxyflavone | antineoplastic agent; antioxidant; antipruritic drug; bone density conservation agent; geroprotector; histamine antagonist; osteogenesis regulator; plant metabolite |
rutin Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.11 | 1 | 0 | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
esculetin esculetin: used in filters for absorption of ultraviolet light; structure. esculetin : A hydroxycoumarin that is umbelliferone in which the hydrogen at position 6 is substituted by a hydroxy group. It is used in filters for absorption of ultraviolet light. | 2.11 | 1 | 0 | hydroxycoumarin | antioxidant; plant metabolite; ultraviolet filter |
esculin [no description available] | 2.11 | 1 | 0 | beta-D-glucoside; hydroxycoumarin | antioxidant; metabolite |
amentoflavone [no description available] | 2.17 | 1 | 0 | biflavonoid; hydroxyflavone; ring assembly | angiogenesis inhibitor; antiviral agent; cathepsin B inhibitor; P450 inhibitor; plant metabolite |
baicalein [no description available] | 2.03 | 1 | 0 | trihydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.31 (arachidonate 12-lipoxygenase) inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; ferroptosis inhibitor; geroprotector; hormone antagonist; plant metabolite; prostaglandin antagonist; radical scavenger |
chrysin chrysin : A dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. | 2.47 | 2 | 0 | 7-hydroxyflavonol; dihydroxyflavone | anti-inflammatory agent; antineoplastic agent; antioxidant; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; hepatoprotective agent; plant metabolite |
5,10-dihydroxy-2,2-dimethylpyrano(3,2-b)xanthen-6(2h)-one [no description available] | 2.17 | 1 | 0 | pyranoxanthones | |
Jacareubin jacareubin: antibacterial and gastroprotective from the heartwood of Calophyllum brasiliense; structure in first source | 2.17 | 1 | 0 | pyranoxanthones | |
cynarine cynarine: active principle of the artichoke; functions primarily as a cholagogue and choleretic and also as antilipemic agent | 2.11 | 1 | 0 | alkyl caffeate ester; quinic acid | 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. | 2.11 | 1 | 0 | rosmarinic acid | geroprotector; plant metabolite |
orobol orobol: from Aspergillus niger or Streptomyces neyagawaensis; potent inhibitor of phosphatidylinositol kinase. orobol : A member of the class of 7-hydroxyisoflavones which consists of isoflavone substituted by hydroxy groups at positions 5, 7, 3' and 4'. It has been isolated from the mycelia of Cordyceps sinensis. | 1.97 | 1 | 0 | 7-hydroxyisoflavones | anti-inflammatory agent; fungal metabolite; plant metabolite; radical scavenger |
coenzyme q10 coenzyme Q10: Ubiquinone ring with a chain of 10 isoprene units; redox equilibrium with ubiqunol serving in mitochondrial inner membrane to transfer electrons; presence during reconstitution of acetylcholine receptor into phospholipid vesicles yields vesicles active in catalyzing carbamylcholine-sensitive Na+ flux; coenzyme Q10 depletion has been noted with use of statins. coenzyme Q10 : A ubiquinone having a side chain of 10 isoprenoid units. In the naturally occurring isomer, all isoprenyl double bonds are in the E- configuration. | 1.99 | 1 | 0 | ubiquinones | antioxidant; ferroptosis inhibitor; human metabolite |
4-hydroxy-2-nonenal 4-hydroxy-2-nonenal: cytotoxic product from peroxidation of liver microsomal lipids; RN given refers to cpd without isomeric designation. 4-hydroxynon-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position and a hydroxy group at the 4-position.. 4-hydroxynonenal : A monounsaturated fatty aldehyde that is nonanal that has undergone dehydrogenation to introduce a double bond at any position in the aliphatic chain and in which a hydrogen at position 4 has been replaced by a hydroxy group. | 2.02 | 1 | 0 | 4-hydroxynon-2-enal; 4-hydroxynonenal | |
sib 1893 SIB 1893: a selective mGluR5 antagonist; structure in first source | 2.01 | 1 | 0 | | |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2 | 1 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
15-hydroxy-5,8,11,13-eicosatetraenoic acid 15-hydroxy-5,8,11,13-eicosatetraenoic acid: potent & selective inhibitor of platelet lipoxygenase; RN given refers to cpd without isomeric designation | 1.99 | 1 | 0 | | |
muconic acid muconic acid: a metabolite of benzene; reported to be a reliable indicator of occupational exposure to benzene; structure given in first source. trans,trans-muconic acid : The trans,trans-isomer of muconic acid. It is metabolite of benzene in humans and serves as a biomarker of occupational exposure to benzene.. muconic acid : A hexadienedioic acid with unsaturation at positions 2 and 4. | 2.43 | 2 | 0 | muconic acid | biomarker; human xenobiotic metabolite |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 7.7 | 3 | 0 | boron group element atom; elemental aluminium; metal atom | |
pleiocarpamine pleiocarpamine: corymine compound is the main indole alkaloid; structure in first source | 2.15 | 1 | 0 | monoterpenoid indole alkaloid | |
beryllium Beryllium: An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.. beryllium atom : Alkaline earth metal atom with atomic number 4. | 2.02 | 1 | 0 | alkaline earth metal atom; elemental beryllium; metal allergen | adjuvant; carcinogenic agent; epitope |
enalaprilat anhydrous Enalaprilat: The active metabolite of ENALAPRIL and one of the potent, intravenously administered, ANGIOTENSIN-CONVERTING ENZYME INHIBITORS. It is an effective agent for the treatment of essential hypertension and has beneficial hemodynamic effects in heart failure. The drug produces renal vasodilation with an increase in sodium excretion.. enalaprilat dihydrate : The dihydrate form of enalaprilat, an angiotensin-converting enzyme (ACE) inhibitor that is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is administered by intravenous injection.. enalaprilat (anhydrous) : Enalapril in which the ethyl ester group has been hydrolysed to the corresponding carboxylic acid. Enalaprilat is an angiotensin-converting enzyme (ACE) inhibitor and is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is given by intravenous injection, usually as the dihydrate. | 2.04 | 1 | 0 | dicarboxylic acid; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
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. | 2.02 | 1 | 0 | azatetracycloalkane; oxatetracycloalkane; quinazoline alkaloid | animal metabolite; bacterial metabolite; marine metabolite; neurotoxin; voltage-gated sodium channel blocker |
(3S,5S,6E)-7-[3-(4-fluorophenyl)-1-(propan-2-yl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoic acid Fluvastatin: An indole-heptanoic acid derivative that inhibits HMG COA REDUCTASE and is used to treat HYPERCHOLESTEROLEMIA. In contrast to other statins, it does not appear to interact with other drugs that inhibit CYP3A4.. (3S,5S,6E)-7-[3-(4-fluorophenyl)-1-(propan-2-yl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoic acid : A (6E)-7-[3-(4-fluorophenyl)-1-(propan-2-yl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoic acid diastereoisomer in which both chiral centres have S configuration.. fluvastatin : A racemate comprising equimolar amounts of (3R,5S)- and (3S,5R)-fluvastatin. An HMG-CoA reductase inhibitor, it is used (often as the corresponding sodium salt) to reduce triglycerides and LDL-cholesterol, and increase HDL-chloesterol, in the treatment of hyperlipidaemia. | 2.93 | 4 | 0 | (6E)-7-[3-(4-fluorophenyl)-1-(propan-2-yl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoic acid | |
dizocilpine maleate Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 3.71 | 10 | 0 | maleate salt; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
antimycin a Antimycin A: An antibiotic substance produced by Streptomyces species. It inhibits mitochondrial respiration and may deplete cellular levels of ATP. Antimycin A1 has been used as a fungicide, insecticide, and miticide. (From Merck Index, 12th ed). antimycin A : A nine-membered bis-lactone having methyl substituents at the 2- and 6-positions, an n-hexyl substituent at the 8-position, an acyloxy substituent at the 7-position and an aroylamido substituent at the 3-position. It is produced by Streptomyces bacteria and has found commercial use as a fish poison. | 2.04 | 1 | 0 | amidobenzoic acid | |
mucidin mucidin: produced by basidiomycete Oudemansiella mucida; strobilurin A produced by wood rot fungus Strobilurus tenacellus;. mucidin : An enoate ester that is the methyl ester of (2E,3Z,5E)-2-(methoxymethylene)-3-methyl-6-phenylhexa-3,5-dienoic acid. | 2.04 | 1 | 0 | enoate ester; enol ether | antifungal agent; fungal metabolite |
ferrichrome a ferrichrome A: a trihydroxamate siderophore; RN given refers to parent cpd | 2.03 | 1 | 0 | | |
indigo carmine 3,5-di-O-(E)-caffeoylquinic acid: from roots of Lychnophora ericoides; structure in first source. 3,5-di-O-caffeoyl quinic acid : A carboxylic ester that is the diester obtained by the condensation of the hydroxy groups at positions 3 and 5 of (-)-quinic acid with the carboxy group of trans-caffeic acid. Isolated from Brazilian propolis and Suaeda glauca, it exhibits hepatoprotective and cytotoxic activities. | 2.11 | 1 | 0 | | |
phosphocreatine Phosphocreatine: An endogenous substance found mainly in skeletal muscle of vertebrates. It has been tried in the treatment of cardiac disorders and has been added to cardioplegic solutions. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1996). phosphagen : Any of a group of guanidine or amidine phosphates that function as storage depots for high-energy phosphate in muscle with the purpose of regenerating ATP from ADP during muscular contraction.. N-phosphocreatine : A phosphoamino acid consisting of creatine having a phospho group attached at the primary nitrogen of the guanidino group. | 1.98 | 1 | 0 | phosphagen; phosphoamino acid | human metabolite; mouse metabolite |
disilver oxide [no description available] | 2.15 | 1 | 0 | | |
epigallocatechin-3-o-(3''-o-methyl)-gallate [no description available] | 2.05 | 1 | 0 | catechin | |
bimosiamose bimosiamose: a selectin inhibitor | 2.03 | 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). | 2.39 | 2 | 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 |
secoisolariciresinol diglucoside secoisolariciresinol diglucoside: major precursor of mammalian lignans; structure given in first source; RN given refers to B-D-GLUCO isomer | 1.99 | 1 | 0 | | |
g(m1) ganglioside G(M1) Ganglioside: A specific monosialoganglioside that accumulates abnormally within the nervous system due to a deficiency of GM1-b-galactosidase, resulting in GM1 gangliosidosis.. ganglioside GM1 : A sialotetraosylceramide consisting of a branched pentasaccharide made up from one sialyl residue, two galactose residues, one N-acetylgalactosamine residue and a glucose residue at the reducing end attached to N-stearoylsphingosine via a beta-linkage. | 1.97 | 1 | 0 | alpha-N-acetylneuraminosyl-(2->3)-[beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine; sialotetraosylceramide | |
aluminum oxide Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. | 2.04 | 1 | 0 | | |
myxochelin b myxochelin B: isolated from Stigmatella aurantiaca; structure in first source. myxochelin B : A member of the class of benzamides obtained by formal condensation of the 1- and 6-amino groups of hexane-1,2,6-triamine with the carboxy groups from two molecules of 2,3-dihydroxybenzoic acid followed by reduction of the amide carbonyl at position 5 to a hydroxy group. | 2.04 | 1 | 0 | benzamides; catechols | bacterial metabolite; siderophore |
chlorophyll b [no description available] | 2.13 | 1 | 0 | chlorophyll | cofactor |
maltoheptaose maltoheptaose: consists of seven glucose residues in a linear 1,4-alpha-linkage; substrate for determining alpha-amylase in serum; RN given refers to (D-glucopyranose)-isomer. maltoheptaose : A maltoheptaose heptasaccharide in which the glucose residue at the reducing end is in the aldehydo open-chain form.. alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-D-Glcp : A maltoheptaose heptasaccharide consisting of six alpha-D-glucose residues and a D-glucose residue joined in sequence by (1->4) glycosidic bonds. | 2.05 | 1 | 0 | maltoheptaose heptasaccharide | |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.05 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
cytochrome c-t Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.71 | 3 | 0 | | |
myxochelin a myxochelin A: structure given in first source; catechole siderophore isolated from Angiococcus disciformis | 2.42 | 2 | 0 | | |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.7 | 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 |
phenylmercuric acetate Phenylmercuric Acetate: A phenyl mercury compound used mainly as a fungicide. Has also been used as a herbicide, slimicide, and bacteriocide. | 2 | 1 | 0 | arylmercury compound; benzenes | |
4-aminophenylmercuriacetate 4-aminophenylmercuriacetate: covalently linked to agarose for purification of FAD & COA with chromatography | 2 | 1 | 0 | | |
hoe 33342 bisbenzimide ethoxide trihydrochloride: benzimidazole fluorescent dye | 2.02 | 1 | 0 | | |
sodium salicylate [no description available] | 4.89 | 8 | 1 | organic molecular entity | |
ubiquinone Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 1.99 | 1 | 0 | | |
sodium lactate Sodium Lactate: The sodium salt of racemic or inactive lactic acid. It is a hygroscopic agent used intravenously as a systemic and urinary alkalizer.. sodium lactate : An organic sodium salt having lactate as the counterion. | 2.05 | 1 | 0 | lactate salt; organic sodium salt | food acidity regulator; food preservative |
glycolipids [no description available] | 2.06 | 1 | 0 | | |
ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 3.8 | 11 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
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. | 5.66 | 78 | 0 | monohydroxybenzoate | plant metabolite |
6-o-palmitoylascorbic acid [no description available] | 2.11 | 1 | 0 | fatty acid ester | |
choline salicylate choline salicylate: exists as gel or solution | 2.21 | 1 | 0 | hydroxybenzoic acid | |
chrome azurol s chrome azurol S: reagent for beryllium determination spectrophotometrically | 2 | 1 | 0 | | |
kaolinite Kaolin: The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: high ridge), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed). kaolin : An aluminosilicate soft white mineral named after the hill in China (Kao-ling) from which it was mined for centuries. In its natural state kaolin is a white, soft powder consisting principally of the mineral kaolinite, and varying amounts of other minerals such as muscovite, quartz, feldspar, and anatase. It is used in the manufacture of china and porcelain and also widely used in the production of paper, rubber, paint, drying agents, and many other products. | 2.03 | 1 | 0 | aluminosilicate mineral; mixture | antidiarrhoeal drug; excipient |
hydroxymuconic semialdehyde (2Z,4E)-2-hydroxy-6-oxohexa-2,4-dienoic acid : A 2-hydroxy-6-oxohexa-2,4-dienoic acid in which the double bonds at positions 2 and 4 have Z- and E-configuration respectively.. 2-hydroxy-6-oxohexa-2,4-dienoic acid : A muconic semialdehyde having a hydroxy substituent at the 2-position. | 1.98 | 1 | 0 | | |
coprogen coprogen: siderochrome found in Penicillium & Neurospora; structure. coprogen : An iron(III) hydroxamate isolated from fungi and bacteria including Penicillium species and Neurospora crassa. It is a growth factor for coprophilous fungi. | 1.97 | 1 | 0 | Fe(III)-complexed hydroxamate siderophore; homoallylic alcohol | Penicillium metabolite |
salmochelin s4 salmochelin S4: isolated from Salmonella enterica; structure in first source | 2.04 | 1 | 0 | C-glycosyl compound; macrotriolide | |
flavin mononucleotide Flavin Mononucleotide: A coenzyme for a number of oxidative enzymes including NADH DEHYDROGENASE. It is the principal form in which RIBOFLAVIN is found in cells and tissues. | 1.96 | 1 | 0 | | |
thromboplastin Thromboplastin: Constituent composed of protein and phospholipid that is widely distributed in many tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic pathway of blood coagulation. | 2 | 1 | 0 | | |
deoxyguanosine [no description available] | 2.42 | 2 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine diphosphate Guanosine Diphosphate: A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. | 2.02 | 1 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
hypoxanthine [no description available] | 2.41 | 2 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
pheophytin a pheophytin a: structure given in first source; RN given refers to (3S-(3alpha(2E,7S*,11S*),4beta,21beta))-isomer | 2.13 | 1 | 0 | | |
rifampin Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160) | 2.02 | 1 | 0 | cyclic ketal; hydrazone; N-iminopiperazine; N-methylpiperazine; rifamycins; semisynthetic derivative; zwitterion | angiogenesis inhibitor; antiamoebic agent; antineoplastic agent; antitubercular agent; DNA synthesis inhibitor; EC 2.7.7.6 (RNA polymerase) inhibitor; Escherichia coli metabolite; geroprotector; leprostatic drug; neuroprotective agent; pregnane X receptor agonist; protein synthesis inhibitor |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 3.38 | 7 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
2,4-diaminohypoxanthine 2,4-diaminohypoxanthine: do not confuse abbreviation DAHP with various dehydro-deoxy-arabino-heptulosonic acid phosphates which also use DAHP; RN given refers to parent cpd; structure | 2.06 | 1 | 0 | hydroxypyrimidine | |
8-hydroxy-2'-deoxyguanosine 8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 2.42 | 2 | 0 | guanosines | biomarker |
trifazid [no description available] | 2.02 | 1 | 0 | | |
papa nonoate [no description available] | 2 | 1 | 0 | alkylamine | |
anguibactin anguibactin: a peptide biosynthesized by nonribosomal peptide synthetases; siderophore isolated from Vibrio anguillarum 775 harboring the pJM1 plasmid | 7.69 | 3 | 0 | | |
vulnibactin vulnibactin: isolated from Vibrio vulnificus; structure in first source | 1.98 | 1 | 0 | | |
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. | 2 | 1 | 0 | | |