Substance | Relationship Strength | Studies | Trials | Classes | Roles |
3-hydroxyanthranilic acid 3-Hydroxyanthranilic Acid: An oxidation product of tryptophan metabolism. It may be a free radical scavenger and a carcinogen.. 3-hydroxyanthranilic acid : An aminobenzoic acid that is benzoic acid substituted at C-2 by an amine group and at C-3 by a hydroxy group. It is an intermediate in the metabolism of the amino acid tryptophan.. 3-hydroxyanthranilate : A hydroxybenzoate that is the conjugate base of 3-hydroxyanthranilic acid. | 2.37 | 2 | 0 | aminobenzoic acid; monohydroxybenzoic acid | human metabolite; mouse 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. | 1.97 | 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 |
coumarin 2H-chromen-2-one: coumarin derivative | 1.96 | 1 | 0 | coumarins | fluorescent dye; human metabolite; plant 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. | 2.41 | 1 | 0 | aromatic ketone; non-proteinogenic alpha-amino acid; substituted aniline | human metabolite |
2,4-dichlorophenoxyacetic acid 2,4-Dichlorophenoxyacetic Acid: An herbicide with irritant effects on the eye and the gastrointestinal system.. 2,4-D : A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines. | 2.17 | 1 | 0 | chlorophenoxyacetic acid; dichlorobenzene | agrochemical; defoliant; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; environmental contaminant; phenoxy herbicide; synthetic auxin |
3-methylcholanthrene Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 3.07 | 5 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist; carcinogenic agent |
acetaminophen Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 2.03 | 1 | 0 | acetamides; phenols | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; cyclooxygenase 3 inhibitor; environmental contaminant; ferroptosis inducer; geroprotector; hepatotoxic agent; human blood serum metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
metolachlor metolachlor: structure given in first source. metolachlor : A racemate that consists of equimolar amounts of (R)- and (S)-metolachlor.. 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(1-methoxypropan-2-yl)acetamide : An organochlorine compound that is 2-chloroacetamide substituted by a (2-ethyl-6-methylphenyl)-N-(1-methoxypropan-2-yl) group at the nitrogen atom. | 2.03 | 1 | 0 | aromatic amide; benzenes; ether; organochlorine compound | |
metyrapone Metyrapone: An inhibitor of the enzyme STEROID 11-BETA-MONOOXYGENASE. It is used as a test of the feedback hypothalamic-pituitary mechanism in the diagnosis of CUSHING SYNDROME.. metyrapone : An aromatic ketone that is 3,3-dimethylbutan-2-one in which the methyl groups at positions 1 and 4 are replaced by pyridin-3-yl groups. A steroid 11beta-monooxygenase (EC 1.14.15.4) inhibitor, it is used in the diagnosis of adrenal insufficiency. | 2.37 | 2 | 0 | aromatic ketone | antimetabolite; diagnostic agent; EC 1.14.15.4 (steroid 11beta-monooxygenase) inhibitor |
orphenadrine Orphenadrine: A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm.. orphenadrine : A tertiary amino compound which is the phenyl-o-tolylmethyl ether of 2-(dimethylamino)ethanol. | 1.97 | 1 | 0 | ether; tertiary amino compound | antidyskinesia agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist; muscle relaxant; NMDA receptor antagonist; parasympatholytic |
quinone benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.. 1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.. quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included). | 1.93 | 1 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse metabolite |
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. | 2.88 | 4 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
proadifen Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 1.96 | 1 | 0 | diarylmethane | |
tyramine [no description available] | 1.97 | 1 | 0 | monoamine molecular messenger; primary amino compound; tyramines | EC 3.1.1.8 (cholinesterase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter |
2-aminophenol [no description available] | 2.88 | 3 | 0 | aminophenol | bacterial metabolite |
lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 7.25 | 1 | 0 | aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid | algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
vincristine [no description available] | 2.01 | 1 | 0 | acetate ester; formamides; methyl ester; organic heteropentacyclic compound; organic heterotetracyclic compound; tertiary alcohol; tertiary amino compound; vinca alkaloid | antineoplastic agent; drug; microtubule-destabilising agent; plant metabolite; tubulin modulator |
benzoxazolone benzoxazolone: RN given refers to parent cpd; structure. 2-benzoxazolinone : A member of the class of benzoxazoles that is 2,3-dihydro-1,3-benzoxazole carrying an oxo group at position 2. | 2.03 | 1 | 0 | benzoxazole | allelochemical; phytoalexin |
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. | 2.41 | 2 | 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 |
xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.08 | 1 | 0 | xanthene | |
1-nitroso-2-naphthol [no description available] | 1.97 | 1 | 0 | naphthols | |
benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.03 | 1 | 0 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
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. | 2.34 | 2 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
resazurin resazurin: used as indicator in detection of hyposulfite (sulfoxylate); in food research (reductase test); structure | 2.08 | 1 | 0 | phenoxazine | |
alpha-naphthoflavone alpha-naphthoflavone: inhibits P4501A1 and P4501A2; stimulates some activities of P4503A4. alpha-naphthoflavone : An extended flavonoid resulting from the formal fusion of a benzene ring with the h side of flavone. A synthetic compound, it is an inhibitor of aromatase (EC 1.14.14.14). | 2.37 | 2 | 0 | extended flavonoid; naphtho-gamma-pyrone; organic heterotricyclic compound | aryl hydrocarbon receptor agonist; aryl hydrocarbon receptor antagonist; EC 1.14.14.14 (aromatase) inhibitor |
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.03 | 1 | 0 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
pyridine-2-carboxaldehyde pyridine-2-carboxaldehyde: structure in first source. 2-formylpyridine : A pyridinecarbaldehyde that is pyridine in which the hydrogen at position 2 is replaced by a formyl group. | 2.1 | 1 | 0 | pyridinecarbaldehyde | |
2-acetylpyridine 2-acetylpyridine: structure in first source | 2.1 | 1 | 0 | aromatic ketone | |
pregnenolone carbonitrile Pregnenolone Carbonitrile: A catatoxic steroid and microsomal enzyme inducer having significant effects on the induction of cytochrome P450. It has also demonstrated the potential for protective capability against acetaminophen-induced liver damage. | 1.96 | 1 | 0 | aliphatic nitrile | |
silver Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 2.21 | 1 | 0 | copper group element atom; elemental silver | Escherichia coli metabolite |
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. | 1.97 | 1 | 0 | copper molecular entity; inorganic chloride | EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor |
etoposide [no description available] | 2.01 | 1 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
chlorodiphenyl (54% chlorine) Chlorodiphenyl (54% Chlorine): A mixture of polychlorinated biphenyls that induces hepatic microsomal UDP-glucuronyl transferase activity towards thyroxine.. Aroclor 1254 : A mixture of polychlorobiphenyls of unspecified composition, containing 54% chlorine (X = Cl or H). | 1.96 | 1 | 0 | | |
resorufin [no description available] | 2.88 | 4 | 0 | phenoxazine | |
pacein PAcein: structure. pacein : A member of the class of benzofurans that is dibenzo[b,d]furan-3,7-dione bearing two methyl substituents at positions 1 and 9 as well as two 2,4-dihydroxy-6-methylanilino substituents at positions 2 and 8.. orcein : A variable mixture of several compounds isolated from lichens, the eight most abundant being alpha-aminoorcein, alpha-hydroxyorcein, beta-aminoorcein, gamma-aminoorcein, beta-hydroxyorcein, gamma-hydroxyorcein, beta-aminoorceimine and beta-aminoorceimine (all are phenoxazine-based). It is used for the demonstration of elastic fibres as well as to stain the rough endoplasmic reticulum of hepatitis B infected liver cells. | 3.11 | 1 | 0 | | |
3-aminophenoxazone 3-aminophenoxazone: also inhibits sulfatase; structure | 2.01 | 1 | 0 | phenoxazine | |
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.49 | 2 | 0 | cobalt group element atom; metal allergen | micronutrient |
cinnabarinic acid cinnabarinic acid: structure | 6.98 | 1 | 0 | phenoxazine | |
dactinomycin Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 3.06 | 5 | 0 | actinomycin | mutagen |
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. | 2.47 | 2 | 0 | | |
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2.03 | 1 | 0 | chalcogen; nonmetal atom | macronutrient |
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). | 1.98 | 1 | 0 | aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline | antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent |
cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 1.93 | 1 | 0 | glycoside | |
1,3-diaza-2-oxophenoxazine 1,3-diaza-2-oxophenoxazine: structure in first source | 2.21 | 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. | 2.08 | 1 | 0 | lactate salt; organic sodium salt | food acidity regulator; food preservative |
heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 7.6 | 1 | 0 | | |
warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 2.37 | 2 | 0 | benzenes; hydroxycoumarin; methyl ketone | |