Substance | Relationship Strength | Studies | Trials | Classes | Roles |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 1.99 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
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. | 2.67 | 3 | 0 | monocarboxylic acid amide; N-acylammonia; pyrazines | antitubercular agent; prodrug |
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. | 4.06 | 3 | 1 | uric acid | Escherichia coli metabolite; human metabolite; mouse 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. | 2.38 | 2 | 0 | xanthine | Saccharomyces cerevisiae metabolite |
benzamidine benzamidine: RN given refers to parent cpd. benzamidine : A carboxamidine that is benzene carrying an amidino group. | 1.98 | 1 | 0 | benzenes; carboxamidine | serine protease inhibitor |
nitroglycerin Nitroglycerin: A volatile vasodilator which relieves ANGINA PECTORIS by stimulating GUANYLATE CYCLASE and lowering cytosolic calcium. It is also sometimes used for TOCOLYSIS and explosives.. nitroglycerol : A nitrate ester that is glycerol in which nitro group(s) replace the hydrogen(s) attached to one or more of the hydroxy groups.. nitroglycerin : A nitroglycerol that is glycerol in which the hydrogen atoms of all three hydroxy groups are replaced by nitro groups. It acts as a prodrug, releasing nitric oxide to open blood vessels and so alleviate heart pain. | 1.99 | 1 | 0 | nitroglycerol | explosive; muscle relaxant; nitric oxide donor; prodrug; tocolytic agent; vasodilator agent; xenobiotic |
safrole Safrole: A member of the BENZODIOXOLES that is a constituent of several VOLATILE OILS, notably SASSAFRAS oil. It is a precursor in the synthesis of the insecticide PIPERONYL BUTOXIDE and the drug N-methyl-3,4-methylenedioxyamphetamine (MDMA).. safrole : A member of the class of benzodioxoles that is 1,3-benzodioxole which is substituted by an allyl group at position 5. It is found in several plants, including black pepper, cinnamon and nutmeg, and is present in several essential oils, notably that of sassafras. It has insecticidal properties and has been used as a topical antiseptic. Although not thought to pose a significant carcinogenic risk to humans, findings of weak carcinogenicity in rats have resulted in the banning of its (previously widespread) use in perfumes and soaps, and as a food additive. | 2 | 1 | 0 | benzodioxoles | flavouring agent; insecticide; metabolite; plant metabolite |
sulfoxide sulfoxide: synergistic insecticide for use with pyrethrum, allethrin, rotenone, ryania, etc.; RN given refers to parent cpd; structure. sulfoxide : An organosulfur compound having the structure R2S=O or R2C=S=O (R =/= H). | 2 | 1 | 0 | benzodioxoles | |
tungsten Tungsten: A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus. | 1.99 | 1 | 0 | chromium group element atom | micronutrient |
1-hexadecyl-2-acetyl-glycero-3-phosphocholine Platelet Activating Factor: A phospholipid derivative formed by PLATELETS; BASOPHILS; NEUTROPHILS; MONOCYTES; and MACROPHAGES. It is a potent platelet aggregating agent and inducer of systemic anaphylactic symptoms, including HYPOTENSION; THROMBOCYTOPENIA; NEUTROPENIA; and BRONCHOCONSTRICTION.. 2-O-acetyl-1-O-hexadecyl-sn-glycero-3-phosphocholine : A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine betaine which has hexadecyl as the alkyl group. PAF is a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis. | 1.99 | 1 | 0 | 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine | antihypertensive agent; beta-adrenergic antagonist; bronchoconstrictor agent; hematologic agent; vasodilator agent |
5-hydroxypyrazinamide 5-hydroxypyrazinamide: metabolite of pyrazinamide | 2.39 | 2 | 0 | carboxamide; pyrazines | |
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. | 1.99 | 1 | 0 | tripeptide | |
rhodamine 123 Rhodamine 123: A fluorescent probe with low toxicity which is a potent substrate for ATP BINDING CASSETTE TRANSPORTER, SUBFAMILY B, MEMBER 1 and the bacterial multidrug efflux transporter. It is used to assess mitochondrial bioenergetics in living cells and to measure the efflux activity of ATP BINDING CASSETTE TRANSPORTER, SUBFAMILY B, MEMBER 1 in both normal and malignant cells. (Leukemia 1997;11(7):1124-30). rhodamine 123(1+) : A cationic fluorescent dye derived from 9-phenylxanthene. | 1.98 | 1 | 0 | organic cation; xanthene dye | fluorochrome |
alprostadil [no description available] | 1.98 | 1 | 0 | prostaglandins E | anticoagulant; human metabolite; platelet aggregation inhibitor; vasodilator agent |
prostaglandin f1 prostaglandin F1: was EN to PROSTAGLANDINS F (75-81); RN given refers to (9 alpha,11 alpha,13E,15S)-isomer | 1.98 | 1 | 0 | prostaglandins Falpha | human metabolite |
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). | 1.99 | 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 |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.39 | 2 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.01 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
sodium nitrite Sodium Nitrite: Nitrous acid sodium salt. Used in many industrial processes, in meat curing, coloring, and preserving, and as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines.. sodium nitrite : An inorganic sodium salt having nitrite as the counterion. Used as a food preservative and antidote to cyanide poisoning. | 1.99 | 1 | 0 | inorganic sodium salt; nitrite salt | antidote to cyanide poisoning; antihypertensive agent; antimicrobial food preservative; food antioxidant; poison |
hypoxanthine [no description available] | 1.97 | 1 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
oxypurinol Oxypurinol: A xanthine oxidase inhibitor.. alloxanthine : A pyrazolopyrimidine that is 4,5,6,7-tetrahydro-H-pyrazolo[3,4-d]pyrimidine substituted by oxo groups at positions 4 and 6. | 2.9 | 4 | 0 | pyrazolopyrimidine | drug metabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 5.86 | 23 | 1 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |