Substance | Relationship Strength | Studies | Trials | Classes | Roles |
benzaldehyde [no description available] | 2.03 | 1 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor; EC 3.5.5.1 (nitrilase) inhibitor; flavouring agent; fragrance; odorant receptor agonist; plant metabolite |
methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.03 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
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. | 5.19 | 45 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
dimethylformamide Dimethylformamide: A formamide in which the amino hydrogens are replaced by methyl groups.. N,N-dimethylformamide : A member of the class of formamides that is formamide in which the amino hydrogens are replaced by methyl groups. | 2.03 | 1 | 0 | formamides; volatile organic compound | geroprotector; hepatotoxic agent; polar aprotic solvent |
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 |
isatin tribulin: endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol withdrawal; | 2.48 | 2 | 0 | indoledione | EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
acetophenone acetophenone : A methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group. | 2.03 | 1 | 0 | acetophenones | animal metabolite; photosensitizing agent; xenobiotic |
acrolein [no description available] | 2.04 | 1 | 0 | enal | herbicide; human xenobiotic metabolite; toxin |
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. | 2.74 | 3 | 0 | naphthol | antinematodal drug; genotoxin; human urinary metabolite; human xenobiotic metabolite; mouse metabolite; radical scavenger |
aziridine [no description available] | 2.05 | 1 | 0 | azacycloalkane; aziridines; saturated organic heteromonocyclic parent | alkylating agent |
triethylenediamine triethylenediamine: RN given refers to parent cpd. triethylenediamine : An organic heterobicylic compound that is piperazine with an ethane-1,2-diyl group forming a bridge between N1 and N4. It is typically used as a catalyst in polymerization reactions. | 2.1 | 1 | 0 | bridged compound; diamine; saturated organic heterobicyclic parent; tertiary amino compound | antioxidant; catalyst; reagent |
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. | 2.08 | 1 | 0 | 1,3-oxazoles; 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. | 2.41 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
calcium gluconate [no description available] | 2 | 1 | 0 | calcium salt | nutraceutical |
hydantoins Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.06 | 1 | 0 | imidazolidine-2,4-dione | |
ketene ketene: structure. ketene : Carbonyl compounds where the C=O bond is conjugated to an alkylidene group. | 7.04 | 1 | 0 | ketene | |
potassium carbonate potassium carbonate : A potassium salt that is the dipotassium salt of carbonic acid. | 2.03 | 1 | 0 | carbonate salt; potassium salt | catalyst; fertilizer; flame retardant |
(s)-binol (1,1'-binaphthalene)-2,2'-diol: structure in first source | 2.1 | 1 | 0 | naphthols | |
2,2'-biphenol biphenyl-2,2'-diol : A member of the class of hydroxybiphenyls carrying hydroxy groups at positions 2 and 2'. | 2.03 | 1 | 0 | hydroxybiphenyls | |
carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.03 | 1 | 0 | carbon oxoanion | |
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. | 2.05 | 1 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; 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 | |
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. | 2.04 | 1 | 0 | titanium group element atom | |
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. | 2.07 | 1 | 0 | chromium group element atom | micronutrient |
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. | 7.07 | 1 | 0 | d-block element atom; rare earth metal atom; scandium group element atom | |
phosphoric acid, trisodium salt [no description available] | 2.05 | 1 | 0 | sodium phosphate | |
camptothecin NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 2 | 1 | 0 | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
galactose aldohexose : A hexose with a (potential) aldehyde group at one end. | 2.13 | 1 | 0 | | |
salen disalicylaldehyde ethylenediamine: reagents for determination of iron | 2.05 | 1 | 0 | | |
levamisole Levamisole: An antihelminthic drug that has been tried experimentally in rheumatic disorders where it apparently restores the immune response by increasing macrophage chemotaxis and T-lymphocyte function. Paradoxically, this immune enhancement appears to be beneficial in rheumatoid arthritis where dermatitis, leukopenia, and thrombocytopenia, and nausea and vomiting have been reported as side effects. (From Smith and Reynard, Textbook of Pharmacology, 1991, p435-6). levamisole : A 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole that has S configuration. It is used (generally as the monohydrochloride salt) to treat parasitic worm infections in pigs, sheep and cattle and was formerly used in humans as an adjuvant to chemotherapy for the treatment of various cancers. It is also widely used as an adulterant to coccaine. | 2.08 | 1 | 0 | 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole | antinematodal drug; antirheumatic drug; EC 3.1.3.1 (alkaline phosphatase) inhibitor; immunological adjuvant; immunomodulator |
fluorides [no description available] | 2.07 | 1 | 0 | halide anion; monoatomic fluorine | |
pyrene pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 2.31 | 1 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe; persistent organic pollutant |
alkenes [no description available] | 2.1 | 1 | 0 | | |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.04 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
ribavirin Rebetron: Rebetron is tradename | 2.02 | 1 | 0 | 1-ribosyltriazole; aromatic amide; monocarboxylic acid amide; primary carboxamide | anticoronaviral agent; antiinfective agent; antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
vanadates Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. | 2.07 | 1 | 0 | trivalent inorganic anion; vanadium oxoanion | EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
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. | 2.1 | 1 | 0 | D-glucopyranose | epitope; mouse metabolite |
1,2,4-triazole-3-carboxamide 1,2,4-triazole-3-carboxamide : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an aminocarbonyl group at position 3. It is the major catabolite and aglycon of ribavirin. | 2.02 | 1 | 0 | aromatic amide; monocarboxylic acid amide; primary carboxamide; triazoles | drug metabolite; human urinary metabolite |
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. | 2.02 | 1 | 0 | 1,2,3-triazole | |
1,1'-binaphthyl-2,2'-diyl hydrogen phosphate 1,1'-binaphthyl-2,2'-diyl hydrogen phosphate: structure in first source | 2.05 | 1 | 0 | | |
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. | 2.11 | 1 | 0 | cobalt group element atom; metal allergen | micronutrient |
carbene carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.03 | 1 | 0 | carbene; methanediyl | |
organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2.07 | 1 | 0 | divalent inorganic anion; phosphite ion | |
2-oxindole 2-oxindole: RN given refers to parent cpd; structure. indolin-2-one : An indolinone carrying an oxo group at position 2. | 2.06 | 1 | 0 | gamma-lactam; indolinone | |
tartaric acid tartaric acid: RN given refers to cpd with unspecified isomeric designation. D-tartaric acid : The D-enantiomer of tartaric acid. | 2.25 | 1 | 0 | tartaric acid | Escherichia coli metabolite |
mesoxalonitrile mesoxalonitrile: minor descriptor (75-83); on-line & Index Medicus search NITRILES (75-83) | 2.03 | 1 | 0 | alpha-ketonitrile; nitrile | |
potassium fluoride potassium fluoride : A fluoride salt having K+ as the counterion. | 2.07 | 1 | 0 | fluoride salt; potassium salt | NMR chemical shift reference compound; poison |
glycosides [no description available] | 2.41 | 2 | 0 | | |
sesquiterpenes [no description available] | 2.25 | 1 | 0 | | |
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. | 2.74 | 3 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
tert-butanesulfinamide tert-butanesulfinamide: structure in first source | 2.1 | 1 | 0 | | |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.01 | 1 | 0 | boron group element atom; elemental aluminium; metal atom | |
indium Indium: A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.. indium atom : A metallic element first identified and named from the brilliant indigo (Latin indicum) blue line in its flame spectrum. | 2.04 | 1 | 0 | boron group element atom | |
silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 2.46 | 2 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
epicinchonine epicinchonine: structure in first source. cinchonine : Cinchonan in which a hydrogen at position 9 is substituted by hydroxy (S configuration). It occurs in the bark of most varieties of Cinchona shrubs, and is frequently used for directing chirality in asymmetric synthesis. | 2.03 | 1 | 0 | cinchona alkaloid | |
alliarinoside alliarinoside: A cyanoallyl glucoside from Alliaria petiolata; structure in first source | 2.1 | 1 | 0 | | |
antrocin antrocin: from Antrodia camphorata; structure in first source | 2.25 | 1 | 0 | | |