Substance | Relationship Strength | Studies | Trials | Classes | Roles |
1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 1.98 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
carbamates [no description available] | 2.44 | 2 | 0 | amino-acid anion | |
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. | 2.02 | 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 |
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). | 2.11 | 1 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.02 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
dimethylamine [no description available] | 1.96 | 1 | 0 | methylamines; secondary aliphatic amine | metabolite |
methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.38 | 2 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
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. | 2.01 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
hydroxide ion [no description available] | 2.1 | 1 | 0 | oxygen hydride | mouse metabolite |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.15 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
thiamine thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 2.05 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.13 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
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. | 1.96 | 1 | 0 | azaarene; hydrazines; ortho-fused heteroarene; phthalazines | antihypertensive agent; vasodilator agent |
ketoprofen Ketoprofen: An IBUPROFEN-type anti-inflammatory analgesic and antipyretic. It is used in the treatment of rheumatoid arthritis and osteoarthritis.. ketoprofen : An oxo monocarboxylic acid that consists of propionic acid substituted by a 3-benzoylphenyl group at position 2. | 2.05 | 1 | 0 | benzophenones; oxo monocarboxylic acid | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
losartan Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.. losartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position | 2.21 | 1 | 0 | biphenylyltetrazole; imidazoles | angiotensin receptor antagonist; anti-arrhythmia drug; antihypertensive agent; endothelin receptor antagonist |
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. | 3.36 | 1 | 1 | nitroglycerol | explosive; muscle relaxant; nitric oxide donor; prodrug; tocolytic agent; vasodilator agent; xenobiotic |
propranolol Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. | 1.96 | 1 | 0 | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
reserpine Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. | 8.34 | 1 | 1 | alkaloid ester; methyl ester; yohimban alkaloid | adrenergic uptake inhibitor; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; first generation antipsychotic; plant metabolite; xenobiotic |
diethylnitrosamine Diethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties.. N-nitrosodiethylamine : A nitrosamine that is N-ethylethanamine substituted by a nitroso group at the N-atom. | 2.21 | 1 | 0 | nitrosamine | carcinogenic agent; hepatotoxic agent; mutagen |
dimethylnitrosamine Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 2.21 | 1 | 0 | nitrosamine | geroprotector; mutagen |
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. | 1.96 | 1 | 0 | formamides; volatile organic compound | geroprotector; hepatotoxic agent; polar aprotic solvent |
cyclopropane cyclopropane : A cycloalkane composed of three carbon atoms to form a ring. | 2.01 | 1 | 0 | cycloalkane; cyclopropanes | inhalation anaesthetic |
2-propylamine 2-propylamine: RN given refers to parent cpd | 2.13 | 1 | 0 | alkylamines; primary aliphatic amine | |
dichloroacetic acid [no description available] | 6.93 | 1 | 0 | monocarboxylic acid; organochlorine compound | astringent; marine metabolite |
benzotrifluoride alpha,alpha,alpha-trifluorotoluene: structure in first source. (trifluoromethyl)benzene : A fluorohydrocarbon that is fluoroform in which the hydrogen is substituted by a phenyl group. | 2.11 | 1 | 0 | (trifluoromethyl)benzenes; fluorohydrocarbon | environmental contaminant; NMR chemical shift reference compound; solvent |
tripropylamine tripropylammonium: RN given refers to parent cpd. tripropylamine : A tertiary amine that is ammonia in which each hydrogen atom is substituted by a propyl group. | 2.13 | 1 | 0 | tertiary amine | |
3-hydroxybutanal [no description available] | 2.13 | 1 | 0 | | |
methyl malonate methyl malonate: do not confuse with methylmalonate, i.e., malonic acid substituted with a methyl group on C2; structure | 2.03 | 1 | 0 | | |
1-pentene 1-pentene: structure in first source | 2.15 | 1 | 0 | | |
dicyanmethane malononitrile : A dinitrile that is methane substituted by two cyano groups. | 2.25 | 1 | 0 | aliphatic nitrile; dinitrile | |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.13 | 1 | 0 | pyrrole; secondary amine | |
tetrahydrofuran oxolane : A cyclic ether that is butane in which one hydrogen from each methyl group is substituted by an oxygen. | 3.02 | 4 | 0 | cyclic ether; oxolanes; saturated organic heteromonocyclic parent; volatile organic compound | polar aprotic solvent |
morpholine [no description available] | 1.96 | 1 | 0 | morpholines; saturated organic heteromonocyclic parent | NMR chemical shift reference compound |
triethylamine [no description available] | 2.42 | 2 | 0 | tertiary amine | |
cyclopentane Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.03 | 1 | 0 | cycloalkane; cyclopentanes; volatile organic compound | non-polar solvent |
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. | 1.97 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
calcium gluconate [no description available] | 1.96 | 1 | 0 | calcium salt | nutraceutical |
2-fluoropyridine [no description available] | 2.08 | 1 | 0 | | |
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. | 1.96 | 1 | 0 | imidazolidine-2,4-dione | |
fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.11 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
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) | 1.96 | 1 | 0 | phthalazines | |
caprolactone hexano-6-lactone : A epsilon-lactone that is oxepane substituted by an oxo group at position 2. | 2 | 1 | 0 | epsilon-lactone | |
ethane sulfonate [no description available] | 2.05 | 1 | 0 | alkanesulfonic acid | |
n,n-dimethylethylamine [no description available] | 2.13 | 1 | 0 | | |
phenacylamine phenacylamine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #6990 | 2.01 | 1 | 0 | aromatic ketone | |
n-methylpiperidine N-methylpiperidine: RN given refers to parent cpd | 1.97 | 1 | 0 | | |
diisopropylamine dichloroacetate diisopropylamine dichloroacetate: stimulates smooth muscle & strongly inhibits acetylcholinesterase activity | 7.42 | 2 | 0 | carboxylic acid; organohalogen compound | |
hempa Hempa: A chemosterilant agent that is anticipated to be a carcinogen. | 2.03 | 1 | 0 | phosphoramide | insect sterilant; mutagen |
cyclopentenone 2-cyclopenten-1-one : An enone that is cyclopentanone having a C=C double bond at position 2. | 2.03 | 1 | 0 | alicyclic ketone; enone | Hsp70 inducer |
sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.02 | 1 | 0 | alkali metal hydroxide | |
n,n,n',n'',n''-pentamethyldiethylenetriamine N,N,N',N'',N''-pentamethyldiethylenetriamine: structure in first source | 2.31 | 1 | 0 | polyazaalkane | |
thiophosphoryl chloride [no description available] | 2.02 | 1 | 0 | | |
iridium Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 2.03 | 1 | 0 | cobalt group element atom; platinum group metal atom | |
praseodymium Praseodymium: An element of the rare earth family of metals. It has the atomic symbol Pr, atomic number 59, and atomic weight 140.91. | 2.01 | 1 | 0 | f-block element atom; lanthanoid atom | |
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. | 2.08 | 1 | 0 | copper group element atom; elemental silver | Escherichia coli metabolite |
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. | 2.43 | 2 | 0 | titanium group element atom | |
titanium tetrachloride titanium tetrachloride: RN given refers to TiCl4 | 2.03 | 1 | 0 | | |
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. | 2.03 | 1 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
tiletamine hydrochloride Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 2.42 | 2 | 0 | | |
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. | 2.63 | 3 | 0 | benzenes; phenyl acetates | |
alkenes [no description available] | 2.59 | 2 | 0 | | |
vx VX nerve agent : A organic thiophosphate that is the ethyl ester of S-{2-[di(propan-2-yl)amino]ethyl} O hydrogen methylphosphonothioate. A toxic nerve agent used in chemical warfare. | 2.1 | 1 | 0 | organic thiophosphate; tertiary amino compound | EC 3.1.1.7 (acetylcholinesterase) inhibitor; neurotoxin |
valsartan Valsartan: A tetrazole derivative and ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKER that is used to treat HYPERTENSION.. valsartan : A monocarboxylic acid amide consisting of L-valine in which the amino hydrogens have been replaced by a pentanoyl and a [2'-(1H-tetrazol-5-yl)biphenyl]-4-yl]methyl group. It exhibits antihypertensive activity. | 2.21 | 1 | 0 | biphenylyltetrazole; monocarboxylic acid amide; monocarboxylic acid | angiotensin receptor antagonist; antihypertensive agent; environmental contaminant; xenobiotic |
n-butyllithium [no description available] | 2.01 | 1 | 0 | | |
gliclazide 18alpha-glycyrrhetinic acid: a gap junction inhibitor | 2.06 | 1 | 0 | | |
2,6-difluoropyridine [no description available] | 2.05 | 1 | 0 | | |
lithium chloride Lithium Chloride: A salt of lithium that has been used experimentally as an immunomodulator.. lithium chloride : A metal chloride salt with a Li(+) counterion. | 3.33 | 6 | 0 | inorganic chloride; lithium salt | antimanic drug; geroprotector |
lycopene [no description available] | 2.13 | 1 | 0 | acyclic carotene | antioxidant; plant metabolite |
pyrophosphate Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.05 | 1 | 0 | diphosphate ion | |
lithium bis(trimethylsilyl)amide lithium bis(trimethylsilyl)amide: structure in first source | 2.1 | 1 | 0 | | |
lithium Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 4.06 | 14 | 0 | alkali metal atom | |
zinc protoporphyrin ix [no description available] | 1.98 | 1 | 0 | | |
beta carotene beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 2.13 | 1 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.05 | 1 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
tin [no description available] | 2.01 | 1 | 0 | carbon group element atom; elemental tin; metal atom | micronutrient |
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 | 1 | 0 | chalcogen; nonmetal atom | macronutrient |
cholest-8(14)-en-3-ol-15-one cholest-8(14)-en-3-ol-15-one: structure given in first source; regulator of cholesterol metabolism; RN given refers to (3beta,5alpha)-isomer. 3beta-hydroxy-5alpha-cholest-8(14)-en-15-one : A 3beta-hydroxysteroid consisting of 3beta-hydroxy-5alpha-cholest-8(14)-ene having an additional oxo group at the 15-position. | 1.98 | 1 | 0 | 15-oxo steroid; 3beta-hydroxy steroid | |
oxadiazoles Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 1.97 | 1 | 0 | | |
oligonucleotides [no description available] | 1.96 | 1 | 0 | | |
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.02 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
tert-butoxide, potassium [no description available] | 1.98 | 1 | 0 | | |
sodium hypochlorite Sodium Hypochlorite: It is used as an oxidizing and bleaching agent and as a disinfectant. (From Grant & Hackh's Chemical Dictionary, 5th ed). sodium hypochlorite : An inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach. | 2.1 | 1 | 0 | inorganic sodium salt | bleaching agent; disinfectant |
piperidines Piperidines: A family of hexahydropyridines. | 2.4 | 2 | 0 | | |
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. | 1.98 | 1 | 0 | | |