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. | 2.21 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
4-hydroxybenzaldehyde [no description available] | 2.21 | 1 | 0 | hydroxybenzaldehyde | EC 1.14.17.1 (dopamine beta-monooxygenase) inhibitor; mouse metabolite; plant metabolite |
beta-alanine [no description available] | 2.4 | 2 | 0 | amino acid zwitterion; beta-amino acid | agonist; fundamental metabolite; human metabolite; inhibitor; neurotransmitter |
benzaldehyde [no description available] | 2.21 | 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 |
4-nitrobenzaldehyde 4-nitrobenzaldehyde: RN given refers to parent cpd. 4-nitrobenzaldehyde : A C-nitro compound that is benzaldehyde substituted at the para-position with a nitro group. | 2.21 | 1 | 0 | benzaldehydes; C-nitro compound | |
glycine [no description available] | 7.4 | 2 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
pipecolic acid pipecolic acid: RN given refers to cpd without isomeric designation. pipecolic acid : A piperidinemonocarboxylic acid in which the carboxy group is located at position C-2.. pipecolate : A piperidinecarboxylate that is the conjugate base of pipecolic acid. | 2 | 1 | 0 | piperidinemonocarboxylic acid | |
phenylacetaldehyde [no description available] | 2.21 | 1 | 0 | alpha-CH2-containing aldehyde; phenylacetaldehydes | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
vanillin Vanilla: A plant genus of the family ORCHIDACEAE that is the source of the familiar flavoring used in foods and medicines (FLAVORING AGENTS). | 2.21 | 1 | 0 | benzaldehydes; monomethoxybenzene; phenols | anti-inflammatory agent; anticonvulsant; antioxidant; flavouring agent; plant metabolite |
menthol Menthol: A monoterpene cyclohexanol produced from mint oils. | 2.11 | 1 | 0 | p-menthane monoterpenoid; secondary alcohol | volatile oil component |
nipecotic acid nipecotic acid: RN given refers to cpd without isomeric designation. nipecotic acid : A piperidinemonocarboxylic acid that is piperidine in which one of the hydrogens at position 3 is substituted by a carboxylic acid group. | 2 | 1 | 0 | beta-amino acid; piperidinemonocarboxylic acid | |
no 711 [no description available] | 2.21 | 1 | 0 | diarylmethane | |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.01 | 1 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
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. | 2.21 | 1 | 0 | naphthaldehyde | mouse metabolite |
2-naphthaldehyde 2-naphthaldehyde: structure. 2-naphthaldehyde : A naphthaldehyde that is naphthalene substituted by a formyl group at position 2. | 2.21 | 1 | 0 | naphthaldehyde | mouse metabolite |
2-chlorobenzaldehyde [no description available] | 2.21 | 1 | 0 | | |
salicylaldehyde o-hydroxybenzaldehyde: structure in first source | 2.21 | 1 | 0 | hydroxybenzaldehyde | nematicide; plant metabolite |
hydratropic aldehyde 2-phenylpropanal : A member of the class of phenylacetaldehydes that is phenylacetaldehyde in which a hydrogen alpha to the aldehyde carbonyl group has been replaced by a methyl group. The major species at pH 7.3. | 2.21 | 1 | 0 | phenylacetaldehydes | |
furaldehyde Furaldehyde: A heterocyclic compound consisting of a furan where the hydrogen at position 2 is substituted by a formyl group.. furfural : An aldehyde that is furan with the hydrogen at position 2 substituted by a formyl group. | 2.21 | 1 | 0 | aldehyde; furans | Maillard reaction product; metabolite |
thiophene-2-carboxaldehyde thiophene-2-carboxaldehyde: structure in first source. formylthiophene : An aldehyde that is thiophene substituted by a formyl group at position 2. | 2.21 | 1 | 0 | aldehyde; thiophenes | metabolite |
3-nitrobenzaldehyde [no description available] | 2.21 | 1 | 0 | | |
4-(dimethylamino)benzaldehyde p-dimethylaminobenzaldehyde: structure in first source. 4-(dimethylamino)benzaldehyde : A member of the class of benzaldehydes that is benzaldehyde carrying a dimethylamino substituent at position 4. Used as an indicator for detection of indoles and hydrazine. | 2.21 | 1 | 0 | benzaldehydes; substituted aniline; tertiary amino compound | chromogenic compound |
4-methylbenzaldehyde p-tolualdehyde : A tolualdehyde compound with the methyl substituent at the 4-position. | 2.21 | 1 | 0 | tolualdehyde | plant metabolite |
4-chlorobenzaldehyde [no description available] | 2.21 | 1 | 0 | | |
3-hydroxybutanal [no description available] | 2.05 | 1 | 0 | | |
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. | 2.48 | 2 | 0 | pyrrole; secondary amine | |
piperonal piperonal: has been used as a pediculicide; structure. piperonal : An arenecarbaldehyde that is 1,3-benzodioxole substituted by a formyl substituent at position 5. It has been isolated from Piper nigrum. | 2.21 | 1 | 0 | arenecarbaldehyde; benzodioxoles | fragrance; insect repellent; plant metabolite |
syringaldehyde syringaldehyde: isolated from nonfermented fiber fractions of oat hulls and cottonseed hulls. syringaldehyde : A hydroxybenzaldehyde that is 4-hydroxybenzaldehyde substituted by methoxy groups at positions 3 and 5. Isolated from Pisonia aculeata and Panax japonicus var. major, it exhibits hypoglycemic activity. | 2.21 | 1 | 0 | dimethoxybenzene; hydroxybenzaldehyde | hypoglycemic agent; plant metabolite |
2-Methoxybenzaldehyde [no description available] | 2.21 | 1 | 0 | carbonyl compound | |
3-pyridinaldehyde pyridine-3-carbaldehyde : A pyridinecarbaldehyde that is pyridine substituted by a formyl group at position 3. | 2.21 | 1 | 0 | pyridinecarbaldehyde | |
2-methylbenzaldehyde 2-methylbenzaldehyde: structure in first source. o-tolualdehyde : A tolualdehyde compound with the methyl substituent at the 2-position. | 2.21 | 1 | 0 | tolualdehyde | plant metabolite |
2-nitrobenzaldehyde 2-nitrobenzaldehyde: structure given in first source. 2-nitrobenzaldehyde : Benzaldehyde substituted at the ortho-position with a nitro group. | 2.21 | 1 | 0 | benzaldehydes; C-nitro compound | |
3-methoxybenzaldehyde 3-methoxybenzaldehyde : A member of the class of benzaldehydes in which the hydrogen at position 3 of benzaldehyde has been replaced by a methoxy group. | 2.21 | 1 | 0 | benzaldehydes; monomethoxybenzene | Brassica napus metabolite |
3-methylbenzaldehyde 3-methylbenzaldehyde: structure in first source. m-tolualdehyde : A tolualdehyde compound with the methyl substituent at the 3-position. | 2.21 | 1 | 0 | tolualdehyde | plant metabolite |
diphenylacetaldehyde diphenylacetaldehyde: structure in first source | 2.21 | 1 | 0 | | |
pyrrole-2-carboxaldehyde 2-pyrrolecarboxaldehyde: structure in first source. pyrrole-2-carboxaldehyde : A pyrrole carrying a formyl substituent at the 2-position. | 2.21 | 1 | 0 | 1,3-thiazole-2-carbaldehyde; pyrroles | |
pyridine-2-carboxaldehyde pyridine-2-carboxaldehyde: structure in first source. 2-formylpyridine : A pyridinecarbaldehyde that is pyridine in which the hydrogen at position 2 is replaced by a formyl group. | 2.21 | 1 | 0 | pyridinecarbaldehyde | |
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. | 2.06 | 1 | 0 | carbon oxoanion | |
iridium Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22. | 2.06 | 1 | 0 | cobalt group element atom; platinum group metal atom | |
4-anisaldehyde 4-anisaldehyde: RN given refers to cpd with specified locants for methoxy moieties; structure in Merck, 9th ed, #696. p-methoxybenzaldehyde : A member of the class of benzaldehydes consisting of benzaldehyde itself carrying a methoxy substituent at position 4. | 2.21 | 1 | 0 | benzaldehydes | bacterial metabolite; human urinary metabolite; insect repellent; plant metabolite |
pyrrolidine [no description available] | 2.04 | 1 | 0 | azacycloalkane; pyrrolidines; saturated organic heteromonocyclic parent | |
3-phenoxybenzaldehyde [no description available] | 2.21 | 1 | 0 | | |
tiagabine Tiagabine: A nipecotic acid derivative that acts as a GABA uptake inhibitor and anticonvulsant agent. It is used in the treatment of EPILEPSY, for refractory PARTIAL SEIZURES.. tiagabine : A piperidinemonocarboxylic acid that is (R)-nipecotic acid in which the hydrogen attached to the nitrogen has been replaced by a 1,1-bis(3-methyl-2-thienyl)but-1-en-4-yl group. A GABA reuptake inhibitor, it is used (generally as the hydrochloride salt) for the treatment of epilepsy. | 2.21 | 1 | 0 | beta-amino acid; piperidinemonocarboxylic acid; tertiary amino compound; thiophenes | anticonvulsant; GABA reuptake inhibitor |
4-cyanobenzaldehyde [no description available] | 2.21 | 1 | 0 | benzaldehydes | |
4-(trifluoromethyl)benzaldehyde [no description available] | 2.21 | 1 | 0 | benzaldehydes | |
4-fluorobenzaldehyde [no description available] | 2.21 | 1 | 0 | | |
9-anthraldehyde [no description available] | 2.21 | 1 | 0 | | |
quinoline-4-carbaldehyde [no description available] | 2.21 | 1 | 0 | | |
2-quinolinecarboxaldehyde 2-quinolinecarboxaldehyde: structure in first source | 2.21 | 1 | 0 | | |
2-bromobenzaldehyde 2-bromobenzaldehyde: structure in first source | 2.21 | 1 | 0 | | |
4-methoxy-1-naphthalaldehyde 4-methoxy-1-naphthalaldehyde: used for fluorometric assays for isozymes of human alcohol dehydrogenase; structure given in first source | 2.21 | 1 | 0 | | |
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 4.45 | 21 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
lilial [no description available] | 2.21 | 1 | 0 | | |
2-benzyloxybenzaldehyde [no description available] | 2.21 | 1 | 0 | | |
strychnine Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.. strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. | 6.98 | 1 | 0 | monoterpenoid indole alkaloid; organic heteroheptacyclic compound | avicide; cholinergic antagonist; glycine receptor antagonist; neurotransmitter agent; rodenticide |
cinnamaldehyde 3-phenylprop-2-enal : A member of the class of cinnamaldehydes that is prop-2-enal in which a hydrogen at position 3 has been replaced by a phenyl group. The configuration of the double bond is not specified; the name "cinnamaldehyde" is widely used to refer to the E (trans) isomer.. (E)-cinnamaldehyde : The E (trans) stereoisomer of cinnamaldehyde, the parent of the class of cinnamaldehydes. | 2.21 | 1 | 0 | 3-phenylprop-2-enal; cinnamaldehydes | antifungal agent; EC 4.3.1.24 (phenylalanine ammonia-lyase) inhibitor; flavouring agent; hypoglycemic agent; plant metabolite; sensitiser; vasodilator agent |
alpha-chymotrypsin Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 2.01 | 1 | 0 | | |
endomorphin 1 endomorphin 1: isolated from bovine brain | 2.42 | 2 | 0 | oligopeptide | |
mannich bases Mannich Bases: Ketonic amines prepared from the condensation of a ketone with formaldehyde and ammonia or a primary or secondary amine. A Mannich base can act as the equivalent of an alpha,beta unsaturated ketone in synthesis or can be reduced to form physiologically active amino alcohols. | 2.02 | 1 | 0 | | |
cyclolinopeptide a cyclolinopeptide A: structure given in first source; cyclic nonapeptide; isolated from linseed oil | 7.04 | 1 | 0 | | |