Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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. | 2.05 | 1 | 0 | monocarboxylic acid | Escherichia coli metabolite; human xenobiotic metabolite |
4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 2.48 | 2 | 0 | monohydroxybenzoic acid | algal metabolite; 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. | 4.64 | 6 | 1 | N-acylglycine | human blood serum metabolite; uremic toxin |
3,4-dihydroxyphenylacetic acid 3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 2.05 | 1 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
indoleacetic acid indoleacetic acid: RN given refers to unlabeled parent cpd; structure in Merck Index, 9th ed, #4841. auxin : Any of a group of compounds, both naturally occurring and synthetic, that induce cell elongation in plant stems (from Greek alphaupsilonxialphanuomega, "to grow").. indole-3-acetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group. | 1.97 | 1 | 0 | indole-3-acetic acids; monocarboxylic acid | auxin; human metabolite; mouse metabolite; plant hormone; plant metabolite |
uric acid Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 2.38 | 2 | 0 | uric acid | Escherichia coli metabolite; human metabolite; mouse 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. | 2.38 | 2 | 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 |
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. | 3.48 | 1 | 1 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
p-aminohippuric acid p-Aminohippuric Acid: The glycine amide of 4-aminobenzoic acid. Its sodium salt is used as a diagnostic aid to measure effective renal plasma flow (ERPF) and excretory capacity.. p-aminohippurate : A hippurate that is the conjugate base of p-aminohippuric acid, arising from deprotonation of the carboxy group.. p-aminohippuric acid : An N-acylglycine that is the 4-amino derivative of hippuric acid; used as a diagnostic agent in the measurement of renal plasma flow. | 2.43 | 2 | 0 | N-acylglycine | Daphnia magna metabolite |
theophylline [no description available] | 1.98 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.21 | 1 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
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. | 1.97 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
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) | 2.48 | 2 | 0 | benzoate ester; paraben; phenols | antifungal agent; antimicrobial agent |
butylparaben [no description available] | 2.13 | 1 | 0 | organic molecular entity | |
methylparaben methylparaben: used as a preservative in cosmetics but potentiates UV-induced damage of skin; RN given refers to parent cpd. methylparaben : A 4-hydroxybenzoate ester resulting from the formal condensation of the carboxy group of 4-hydroxybenzoic acid with methanol. It is the most frequently used antimicrobial preservative in cosmetics. It occurs naturally in several fruits, particularly in blueberries. | 2.13 | 1 | 0 | paraben | antifungal agent; antimicrobial food preservative; neuroprotective agent; plant metabolite |
iodohippuric acid Iodohippuric Acid: An iodine-containing compound used in pyelography as a radiopaque medium. If labeled with radioiodine, it can be used for studies of renal function.. 2-iodohippuric acid : A member of the class of benzamides resulting from the formal condensation of the carboxy group of 2-iodobenzoic acid with the amino group of glycine. | 2.04 | 1 | 0 | benzamides; N-acylglycine; organoiodine compound | |
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. | 3.51 | 1 | 1 | 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. | 2.43 | 2 | 0 | N-acylglycine; secondary carboxamide | human xenobiotic metabolite; uremic toxin |
indican indoxyl sulfate : An aryl sulfate that is indoxyl in which the hydroxyl hydrogen is substituted by a sulfo group. | 2.01 | 1 | 0 | aryl sulfate; indoles | human metabolite |
hesperidin Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 3.51 | 1 | 1 | 3'-hydroxyflavanones; 4'-methoxyflavanones; dihydroxyflavanone; disaccharide derivative; flavanone glycoside; monomethoxyflavanone; rutinoside | mutagen |
aceturic acid aceturic acid: structure. N-acetylglycine : An N-acylglycine where the acyl group is specified as acetyl. | 2.04 | 1 | 0 | N-acetyl-amino acid; N-acylglycine | human metabolite |
indoxyl acetate [no description available] | 2.01 | 1 | 0 | indoles | |
3-hydroxybenzeneacetic acid 3-hydroxybenzeneacetic acid: metabolite of L-dopa; structure. 3-hydroxyphenylacetic acid : A monocarboxylic acid that is phenylacetic acid in which the hydrogen at position 3 on the benzene ring is replaced by a hydroxy group. | 2.05 | 1 | 0 | monocarboxylic acid; phenols | human xenobiotic metabolite |
n-benzyloxycarbonylglycine N-benzyloxycarbonylglycine: structure given in first source. N-benzyloxycarbonylglycine : A derivative of glycine having a benzyloxycarbonyl protecting group attached to the nitrogen. | 2.04 | 1 | 0 | N-acylglycine | |
4-nitrohippuric acid 4-nitrohippuric acid: major metabolite of 4-nitrobenzoic acid | 2.04 | 1 | 0 | | |
isobutylparaben isobutylparaben: structure in first source | 2.13 | 1 | 0 | 4-hydroxybenzoate ester | |
furoylglycine furoylglycine: structure given in first source. N-(2-furoyl)glycine : A glycine derivative that is the carboxamide obtained by the formal condensation of the amino group of glycine with 2-furoic acid. | 2.04 | 1 | 0 | furans; N-acylglycine | human metabolite |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.13 | 1 | 0 | dihydrogen | |
4-chlorohippuric acid 4-chlorohippuric acid: metabolite of zomepirac; RN given refers to parent cpd | 2.04 | 1 | 0 | | |
thiophenoxyacetic acid thiophenoxyacetic acid: structure | 2.04 | 1 | 0 | | |
salicylhydroxamic acid [no description available] | 2.04 | 1 | 0 | hydroxamic acid; phenols | antibacterial drug; EC 1.11.2.2 (myeloperoxidase) inhibitor; EC 3.5.1.5 (urease) inhibitor; trypanocidal drug |
phenylacetylglycine phenylacetylglycine : A N-acylglycine that is glycine substituted on nitrogen with a phenylacetyl group. | 2.04 | 1 | 0 | monocarboxylic acid amide; monocarboxylic acid; N-acylglycine | human metabolite; mouse metabolite |
nicotinuric acid nicotinuric acid: RN given refers to parent cpd. N-nicotinoylglycine : An N-acylglycine having nicotinoyl as the acyl substituent. | 2.04 | 1 | 0 | N-acylglycine | human urinary metabolite |
hesperetin [no description available] | 3.51 | 1 | 1 | 3'-hydroxyflavanones; 4'-methoxyflavanones; monomethoxyflavanone; trihydroxyflavanone | antineoplastic agent; antioxidant; plant metabolite |
benzoylpropionic acid benzoylpropionic acid: structure in first source. 4-oxo-4-phenylbutyric acid : A 4-oxo monocarboxylic acid that is butyric acid bearing oxo and phenyl substituents at position 4. | 2.04 | 1 | 0 | 4-oxo monocarboxylic acid | hapten |
boc-glycine BOC-glycine: RN given refers to parent cpd | 2.04 | 1 | 0 | | |
n-benzylglycine [no description available] | 2.04 | 1 | 0 | | |
homocysteine Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 2.21 | 1 | 0 | amino acid zwitterion; homocysteine; serine family amino acid | fundamental metabolite; mouse metabolite |
2-methylhippuric acid 2-methylhippuric acid: urinary metabolite of o-xylene. o-methylhippuric acid : An N-acylglycine that is the ortho-methyl derivative of hippuric acid. | 2.04 | 1 | 0 | N-acylglycine | metabolite |
hippuryl-glycyl-glycine hippuryl-glycyl-glycine: RN given refers to parent cpd; N1 from 9th CI Form Index | 2.04 | 1 | 0 | | |
4-methylhippuric acid 4-methylhippuric acid: urinary metabolite of p-xylene. p-methylhippuric acid : An N-acylglycine in which the acyl group is specified as 4-methylbenzoyl. | 2.04 | 1 | 0 | N-acylglycine | metabolite |
3-methylhippuric acid 3-methylhippuric acid: urinary metabolite of m-xylene. m-methylhippuric acid : An N-acylglycine that is the 3-methyl derivative of hippuric acid. | 2.04 | 1 | 0 | N-acylglycine | metabolite |
4-methyoxybenzoyl-n-glycine [no description available] | 2.04 | 1 | 0 | N-acylglycine | |
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. | 2.05 | 1 | 0 | (dihydroxyphenyl)propanoic acid | antioxidant; human xenobiotic metabolite |
naringenin (S)-naringenin : The (S)-enantiomer of naringenin. | 3.91 | 2 | 1 | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
n-formylmethionine leucyl-phenylalanine N-Formylmethionine Leucyl-Phenylalanine: A formylated tripeptide originally isolated from bacterial filtrates that is positively chemotactic to polymorphonuclear leucocytes, and causes them to release lysosomal enzymes and become metabolically activated.. N-formyl-L-methionyl-L-leucyl-L-phenylalanine : A tripeptide composed of L-Met, L-Leu and L-Phe in a linear sequence with a formyl group at the amino terminus. It acts as a potent inducer of leucocyte chemotaxis and macrophage activator as well as a ligand for the FPR receptor. | 2.04 | 1 | 0 | tripeptide | |
cinnamoylglycine cinnamoylglycine: structure given in first source. N-cinnamoylglycine : An N-acylglycine in which the acyl group is specified as (2E)-3-phenylprop-2-enoyl (cinnamoyl). | 2.04 | 1 | 0 | N-acylglycine | metabolite |
2-aminohippuric acid [no description available] | 2.04 | 1 | 0 | N-acylglycine | |
fenretinide Fenretinide: A synthetic retinoid that is used orally as a chemopreventive against prostate cancer and in women at risk of developing contralateral breast cancer. It is also effective as an antineoplastic agent.. 4-hydroxyphenyl retinamide : A retinoid obtained by formal condensation of the carboxy group of all-trans retinoic acid and the anilino group of 4-hydroxyaniline. Synthetic retinoid agonist. Antiproliferative, antioxidant and anticancer agent with a long half-life in vivo. Apoptotic effects appear to be mediated by a mechanism distinct from that of 'classical' retinoids. | 2.04 | 1 | 0 | monocarboxylic acid amide; retinoid | antineoplastic agent; antioxidant |
3,8-dihydroxy-6h-dibenzo(b,d)pyran-6-one 3,8-dihydroxy-6H-dibenzo(b,d)pyran-6-one: metabolite of ellagic acid | 3.48 | 1 | 1 | coumarins | geroprotector |
rifamycins [no description available] | 2.11 | 1 | 0 | | |
warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 3.48 | 1 | 1 | benzenes; hydroxycoumarin; methyl ketone | |
hypoxanthine [no description available] | 1.97 | 1 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |