Substance | Relationship Strength | Studies | Trials | Classes | Roles |
acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 1.98 | 1 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
diacetyl butane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. | 2.02 | 1 | 0 | alpha-diketone | Escherichia coli metabolite; Saccharomyces cerevisiae metabolite |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.05 | 1 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.31 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
nitroxyl nitroxyl: hydroxamic acid oxidized to nitroxyl free radical. nitroxyl : A nitrogen oxoacid consisting of an oxygen atom double-bonded to an NH group. | 2.31 | 1 | 0 | nitrogen oxoacid | |
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.53 | 2 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
6,7-dichloroquinoxaline-2,3-dione [no description available] | 2.02 | 1 | 0 | quinoxaline derivative | |
deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 1.98 | 1 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
benzophenone benzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups. | 2.02 | 1 | 0 | benzophenones | photosensitizing agent; plant metabolite |
nu6102 NU6102: structure in first source | 3.31 | 1 | 0 | | |
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). | 2.02 | 1 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse 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. | 1.98 | 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 |
barbituric acid barbituric acid: RN given refers to parent cpd; structure from Merck Index, 9th ed, #966. barbituric acid : A barbiturate, the structure of which is that of perhydropyrimidine substituted at C-2, -4 and -6 by oxo groups. Barbituric acid is the parent compound of barbiturate drugs, although it is not itself pharmacologically active. | 3.61 | 2 | 0 | barbiturates | allergen; xenobiotic |
chloroform Chloroform: A commonly used laboratory solvent. It was previously used as an anesthetic, but was banned from use in the U.S. due to its suspected carcinogenicity.. chloroform : A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. | 2 | 1 | 0 | chloromethanes; one-carbon compound | carcinogenic agent; central nervous system drug; inhalation anaesthetic; non-polar solvent; refrigerant |
xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.05 | 1 | 0 | xanthene | |
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 | | |
dicyanmethane malononitrile : A dinitrile that is methane substituted by two cyano groups. | 2.03 | 1 | 0 | aliphatic nitrile; dinitrile | |
3,3'-iminodipropionitrile 3,3'-iminodipropionitrile: lathyrogen; RN refers to parent cpd; blocks axoplasmic transport of neurofilament proteins with subsequent axon swelling typical of some motor neuron diseases | 2.06 | 1 | 0 | | |
chloranil Chloranil: A quinone fungicide used for treatment of seeds and foliage.. tetrachloro-1,4-benzoquinone : A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines. | 2.02 | 1 | 0 | 1,4-benzoquinones; organochlorine compound | EC 2.7.1.33 (pantothenate kinase) inhibitor; metabolite |
benzoin [no description available] | 2.02 | 1 | 0 | benzoins; secondary alpha-hydroxy ketone | EC 3.1.1.1 (carboxylesterase) inhibitor |
dibenzoylmethane dibenzoylmethane : A beta-diketone that is acetylacetone (acac) in which both methyl groups have been replaced by phenyl groups. It is a minor constituent of the root extract of licorice (Glycyrrhiza glabra) and exhibits antimutagenic and anticancer effects. | 2.02 | 1 | 0 | aromatic ketone; beta-diketone | antimutagen; antineoplastic agent; metabolite |
benzil benzil: structure. benzil : An alpha-diketone that is ethane-1,2-dione substituted by phenyl groups at positions 1 and 2 respectively. | 2.02 | 1 | 0 | alpha-diketone; aromatic ketone | |
pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 2.05 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
dibromsalicil dibromsalicil: brominated salicyclic acid deriv; antiplaque antiseptic | 2.02 | 1 | 0 | | |
1-phenyl-1,2-propanedione 1-phenyl-1,2-propanedione: an oxoglutarate carrier antagonist. 1-phenyl-1,2-propanedione : An alpha-diketone that consists of 1-phenylpropane bearing keto substituents at positions 1 and 2. It is found in coffee. | 2.02 | 1 | 0 | alpha-diketone; aromatic ketone | plant metabolite |
2,3-pentanedione pentane-2,3-dione : An alpha-diketone that is pentane substituted at the 2- and 3-positions by oxo groups. | 2.02 | 1 | 0 | alpha-diketone; methyl ketone | flavouring agent |
1,3-indandione 1,3-indandione : A member of the class of indanones that is indane in which the hydrogens at positions 2 and 4 have been replaced by oxo groups. | 3.31 | 1 | 0 | aromatic ketone; beta-diketone; indanones | |
2,5-dimethylfuran 2,5-dimethylfuran: metabolite of n-hexane. 2,5-dimethylfuran : A member of the class of furans that is furan in which the hydrogens at positions 2 and 5 are replaced by methyl groups. | 7.08 | 1 | 0 | furans | antifungal agent; bacterial metabolite; fuel; fumigant; human urinary metabolite; Maillard reaction product; plant metabolite |
1,2-cyclohexanedione cyclohexanedione : Cyclohexanones carrying two oxo substituents.. cyclohexane-1,2-dione : A cyclohexanedione carrying oxo substituents at positions 1 and 2. | 2.02 | 1 | 0 | cyclohexanedione | |
2-cyclohexen-1-one 2-cyclohexen-1-one: RN given refers to unlabeled cpd with specified locant for double bond. cyclohexenone : The parent compound of the cyclohexenones, composed of cyclohexanone having one double bond in the ring.. cyclohex-2-enone : A cyclohexenone having its C=C double bond at the 2-position. | 2.07 | 1 | 0 | cyclohexenone | |
n-methylacrylamide N-methylacrylamide: structure in first source | 3.31 | 1 | 0 | | |
sodium nitrate sodium nitrate : The inorganic nitrate salt of sodium. | 2.31 | 1 | 0 | inorganic nitrate salt; inorganic sodium salt | fertilizer; 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. | 5.88 | 30 | 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. | 2.04 | 1 | 0 | benzenes; phenyl acetates | |
acetylacetone acetylacetone : A beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups. | 3.58 | 2 | 0 | beta-diketone | |
alkenes [no description available] | 2.05 | 1 | 0 | | |
3-methyl-1,2-cyclopentanedione 3-methyl-1,2-cyclopentanedione: a peroxynitrite scavenger isolated from coffee extract; structure in first source | 2.02 | 1 | 0 | cyclic ketone | |
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. | 2.31 | 1 | 0 | 1,2,3-triazole | |
4-(fluorosulfonyl)benzoic acid [no description available] | 3.31 | 1 | 0 | | |
piloty's acid Piloty's acid: structure in first source | 2.31 | 1 | 0 | sulfonamide | |
4-benzoylbenzoic acid 4-carboxybenzophenone: a photosensitizer agent | 2.02 | 1 | 0 | | |
2-chloranil [no description available] | 2.02 | 1 | 0 | | |
Pyrrolidine-1-carbonitrile [no description available] | 3.31 | 1 | 0 | pyrrolidines | |
n,n'-dibutylurea N,N'-dibutylurea: structure in first source | 2.25 | 1 | 0 | | |
3,5-di-tert-butyl-1,2-benzoquinone [no description available] | 2.02 | 1 | 0 | | |
2,2-dimethoxy-2-phenylacetophenone [no description available] | 2.02 | 1 | 0 | | |
anisoin [no description available] | 2.02 | 1 | 0 | | |
hydrobenzoin hydrobenzoin: structure in first source | 2.02 | 1 | 0 | ethanediol | |
peroxynitrous acid Peroxynitrous Acid: A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES). | 2.31 | 1 | 0 | nitrogen oxoacid | |
cysteinesulfenic acid cysteinesulfenic acid: a protein-sulfenic acid with diverse roles in enzyme catalysis, redox regulation and signal transduction. S-oxy-L-cysteine : A cysteine derivative consiting of L-cysteine carrying an S-oxy-substituent.. S-hydroxy-L-cysteine : A cysteine derivative consisting of L-cysteine carrying an S-hydroxy-substituent. | 2.1 | 1 | 0 | L-cysteine derivative; non-proteinogenic L-alpha-amino acid | |
n-phenylacrylamide N-phenylacrylamide: structure in first source | 3.31 | 1 | 0 | | |
benzofurans Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 4.08 | 4 | 0 | | |
arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 1.97 | 1 | 0 | icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid | Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite |
glycosides [no description available] | 2.05 | 1 | 0 | | |
stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 3.27 | 1 | 0 | stilbene | |
sesquiterpenes [no description available] | 2.06 | 1 | 0 | | |
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. | 2.08 | 1 | 0 | | |
garcinol garcinol: from stem bark of Garcinia huillensis; has chemotherapeutic activity against gram-positive & gram-negative cocci, mycobacteria & fungi | 2.15 | 1 | 0 | | |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 7.1 | 1 | 0 | cysteinium | fundamental metabolite |
lycopladine a lycopladine A: alkaloid from Lycopodium complantum, structure in first source | 7.06 | 1 | 0 | | |
tofacitinib tofacitinib : A pyrrolopyrimidine that is pyrrolo[2,3-d]pyrimidine substituted at position 4 by an N-methyl,N-(1-cyanoacetyl-4-methylpiperidin-3-yl)amino moiety. Used as its citrate salt to treat moderately to severely active rheumatoid arthritis. | 3.31 | 1 | 0 | N-acylpiperidine; nitrile; pyrrolopyrimidine; tertiary amino compound | antirheumatic drug; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor |
pentalysine pentalysine: RN given refers to (all-L)-isomer | 1.98 | 1 | 0 | | |
incb-018424 [no description available] | 3.31 | 1 | 0 | nitrile; pyrazoles; pyrrolopyrimidine | antineoplastic agent; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor |
alectinib [no description available] | 3.31 | 1 | 0 | aromatic ketone; morpholines; nitrile; organic heterotetracyclic compound; piperidines | antineoplastic agent; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor |
pyrimidinones Pyrimidinones: Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. | 2.31 | 1 | 0 | | |