Substance | Relationship Strength | Studies | Trials | Classes | Roles |
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. | 2.01 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
beta-alanine [no description available] | 2.03 | 1 | 0 | amino acid zwitterion; beta-amino acid | agonist; fundamental metabolite; human metabolite; inhibitor; neurotransmitter |
benzene [no description available] | 2.11 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
iodine Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.11 | 1 | 0 | diatomic iodine | nutrient |
naphthalene [no description available] | 2.49 | 2 | 0 | naphthalenes; ortho-fused bicyclic arene | apoptosis inhibitor; carcinogenic agent; environmental contaminant; mouse metabolite; plant metabolite; volatile oil component |
nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2.83 | 3 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.03 | 1 | 0 | pyridine alkaloid; pyridinecarboxamide; vitamin B3 | anti-inflammatory agent; antioxidant; cofactor; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; Escherichia coli metabolite; geroprotector; human urinary metabolite; metabolite; mouse metabolite; neuroprotective agent; Saccharomyces cerevisiae metabolite; Sir2 inhibitor |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.03 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases | 2.08 | 1 | 0 | phenanthroline | EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor |
hydralazine Hydralazine: A direct-acting vasodilator that is used as an antihypertensive agent.. hydralazine : The 1-hydrazino derivative of phthalazine; a direct-acting vasodilator that is used as an antihypertensive agent. | 2.38 | 2 | 0 | azaarene; hydrazines; ortho-fused heteroarene; phthalazines | antihypertensive agent; vasodilator agent |
2-aminophenol [no description available] | 2.08 | 1 | 0 | aminophenol | bacterial metabolite |
1-naphthaldehyde 1-naphthaldehyde: structure. naphthaldehyde : An aldehyde in which the organyl group is a naphthyl group.. 1-naphthaldehyde : A naphthaldehyde with a formyl group at position 1. | 2.1 | 1 | 0 | naphthaldehyde | mouse metabolite |
acetonitrile acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2.46 | 2 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
ethylene oxide Ethylene Oxide: A colorless and flammable gas at room temperature and pressure. Ethylene oxide is a bactericidal, fungicidal, and sporicidal disinfectant. It is effective against most micro-organisms, including viruses. It is used as a fumigant for foodstuffs and textiles and as an agent for the gaseous sterilization of heat-labile pharmaceutical and surgical materials. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p794). oxirane : A saturated organic heteromonocyclic parent that is a three-membered heterocycle of two carbon atoms and one oxygen atom. | 2.13 | 1 | 0 | gas molecular entity; oxacycle; saturated organic heteromonocyclic parent | allergen; mouse metabolite; mutagen |
chloroacetyl chloride [no description available] | 2.13 | 1 | 0 | acyl halide | |
salicylaldehyde o-hydroxybenzaldehyde: structure in first source | 3 | 4 | 0 | hydroxybenzaldehyde | nematicide; plant metabolite |
3,5-dibromosalicylaldehyde 3,5-dibromosalicylaldehyde: structure in Merck Index, 9th ed, #2995 | 2.46 | 2 | 0 | | |
1,2-diaminobenzene 1,2-diaminobenzene: RN given refers to parent cpd. 1,2-phenylenediamine : A phenylenediamine in which the two amino groups are ortho to each other. | 2.49 | 2 | 0 | phenylenediamine | hydrogen donor |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.49 | 2 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
2-naphthol 2-naphthol: RN given refers to parent cpd. 2-naphthol : A naphthol carrying a hydroxy group at position 2.. naphthols : Any hydroxynaphthalene derivative that has a single hydroxy substituent. | 2.06 | 1 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
2-aminothiophenol 2-aminothiophenol: RN given refers to parent cpd; structure. 2-aminothiophenol : An aryl thiol that is thiophenol substituted at position 2 by an amino group. | 2.08 | 1 | 0 | aryl thiol; substituted aniline | plant metabolite |
2,6-diaminopyridine 2,6-diaminopyridine: structure in first source | 2.1 | 1 | 0 | | |
thiazoles [no description available] | 2.31 | 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. | 2.46 | 2 | 0 | diazine; pyrazines | Daphnia magna metabolite |
3-acetylpyridine 3-acetylpyridine: inhibits tremors | 2.03 | 1 | 0 | aromatic ketone | |
dihydralazine Dihydralazine: 1,4-Dihydrazinophthalazine. An antihypertensive agent with actions and uses similar to those of HYDRALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p354) | 6.98 | 1 | 0 | phthalazines | |
methyl red methyl red: RN given refers to parent cpd; structure. methyl red : An azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group. | 1.97 | 1 | 0 | | |
alpha-aminopyridine alpha-aminopyridine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #485. aminopyridine : Compounds containing a pyridine skeleton substituted by one or more amine groups. | 2.44 | 2 | 0 | | |
3-hydroxyflavone 3-hydroxyflavone: structure given in first source. flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | 2.03 | 1 | 0 | flavonols; monohydroxyflavone | |
triphenylphosphine triphenylphosphine: RN given refers to parent cpd. triphenylphosphine : A member of the class of tertiary phosphines that is phosphane in which the three hydrogens are replaced by phenyl groups. | 7.03 | 1 | 0 | benzenes; tertiary phosphine | NMR chemical shift reference compound; reducing agent |
toyocamycin Toyocamycin: 4-Amino-5-cyano-7-(D-ribofuranosyl)-7H- pyrrolo(2,3-d)pyrimidine. Antibiotic antimetabolite isolated from Streptomyces toyocaensis cultures. It is an analog of adenosine, blocks RNA synthesis and ribosome function, and is used mainly as a tool in biochemistry.. toyocamycin : An N-glycosylpyrrolopyrimidine that is tubercidin in which the hydrogen at position 5 of the pyrrolopyrimidine moiety has been replaced by a cyano group. | 2.1 | 1 | 0 | antibiotic antifungal agent; N-glycosylpyrrolopyrimidine; nitrile; ribonucleoside | antimetabolite; antineoplastic agent; apoptosis inducer; bacterial metabolite |
deoxycytidine [no description available] | 2.1 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
durapatite Durapatite: The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.. hydroxylapatite : A phosphate mineral with the formula Ca5(PO4)3(OH). | 2.1 | 1 | 0 | | |
tetrabutylammonium tetrabutylammonium: lipophilic probe; RN given refers to parent cpd | 2.03 | 1 | 0 | quaternary ammonium ion | |
lanthanum [no description available] | 2.03 | 1 | 0 | f-block element atom; lanthanoid atom; scandium group element atom | |
mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 2.1 | 1 | 0 | elemental mercury; zinc group element atom | neurotoxin |
molybdenum Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 7.05 | 1 | 0 | chromium group element atom | micronutrient |
palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.41 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.03 | 1 | 0 | iron group element atom; platinum group metal 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. | 2.04 | 1 | 0 | chromium group element atom; metal allergen | micronutrient |
gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.11 | 1 | 0 | copper group element atom; elemental gold | |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.43 | 2 | 0 | dihydrogen | |
fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.08 | 1 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
chromium chromium hexavalent ion: a human respiratory carcinogen | 2.04 | 1 | 0 | chromium cation; monoatomic hexacation | |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.79 | 3 | 0 | benzenes; phenyl acetates | |
gemcitabine gemcitabine : A 2'-deoxycytidine having geminal fluoro substituents in the 2'-position. An inhibitor of ribonucleotide reductase, gemcitabine is used in the treatment of various carcinomas, particularly non-small cell lung cancer, pancreatic cancer, bladder cancer and breast cancer. | 2.1 | 1 | 0 | organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; environmental contaminant; immunosuppressive agent; photosensitizing agent; prodrug; radiosensitizing agent; xenobiotic |
1,7-phenanthroline [no description available] | 2.08 | 1 | 0 | phenanthroline | |
2-aminopyrazine [no description available] | 2.03 | 1 | 0 | pyrazines | |
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. | 2.5 | 2 | 0 | cobalt group element atom; metal allergen | micronutrient |
1,2-dimyristoylphosphatidylethanolamine [no description available] | 1.98 | 1 | 0 | | |
bortezomib [no description available] | 2.1 | 1 | 0 | amino acid amide; L-phenylalanine derivative; pyrazines | antineoplastic agent; antiprotozoal drug; protease inhibitor; proteasome inhibitor |
resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.03 | 1 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
phenylalaninol phenylalaninol: inhibits intestinal absorption of phenylalanine; RN given refers to cpd with unspecified stereochemistry. L-phenylalaninol : An amino alcohol resulting from the formal reduction of the carboxy group of L-phenylalanine to the corresponding alcohol. | 2.41 | 1 | 0 | amino alcohol; amphetamines; primary alcohol; primary amino compound | |
calix(4)arene calix(4)arene: a cyclophane consisting of four phenolic units linked by methylene groups; structure in first source | 2.11 | 1 | 0 | | |
stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 2.03 | 1 | 0 | stilbene | |
thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.04 | 1 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
calixarenes Calixarenes: Phenolic metacyclophanes derived from condensation of PHENOLS and ALDEHYDES. The name derives from the vase-like molecular structures. A bracketed [n] indicates the number of aromatic rings.. calixarenes : Originally macrocyclic compounds capable of assuming a basket (or "calix") shaped conformation. They are formed from p-hydrocarbyl phenols and formaldehyde. The term now applies to a variety of derivatives by substitution of the hydrocarbon cyclo{oligo[(1,3-phenylene)methylene]}.. calixarene : A macrocycle composed of 1,3-phenylene groups linked by methylene groups. The number of 1,3-phenylene units in the macrocycle is denoted by the "n" in calix[n]arene name. | 2.11 | 1 | 0 | | |
fisetin [no description available] | 2.03 | 1 | 0 | 3'-hydroxyflavonoid; 7-hydroxyflavonol; tetrahydroxyflavone | anti-inflammatory agent; antioxidant; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; metabolite; plant metabolite |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.1 | 1 | 0 | boron group element atom; elemental aluminium; metal atom | |
arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.03 | 1 | 0 | metalloid atom; pnictogen | micronutrient |
1,2-dielaidoylphosphatidylethanolamine 1,2-dielaidoylphosphatidylethanolamine: RN given refers to (E,E)-isomer; member of a class of cationic lipid formulations called cytofectins | 1.98 | 1 | 0 | | |
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 2.03 | 1 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
lanthanide nitrate [no description available] | 2.03 | 1 | 0 | | |
stf 083010 STF 083010: inhibits Ire1 endonuclease; structure in first source | 2.5 | 2 | 0 | | |