| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
3-hydroxykynurenine
3-hydroxykynurenine: RN given refers to cpd without isomeric designation. 3-hydroxykynurenine : A hydroxykynurenine that is kynurenine substituted by a hydroxy group at position 3.. hydroxykynurenine : A hydroxy-amino acid that is kynurenine substituted by a single hydroxy group at unspecified position. A "closed" class. | 1.97 | 1 | 0 | hydroxykynurenine | human metabolite |
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. | 2.03 | 1 | 0 | amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid | human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule |
5-hydroxytryptophan
5-Hydroxytryptophan: The immediate precursor in the biosynthesis of SEROTONIN from tryptophan. It is used as an antiepileptic and antidepressant.. 5-hydroxytryptophan : A tryptophan derivative that is tryptophan substituted by a hydroxy group at position 5. | 5.32 | 13 | 1 | hydroxytryptophan | human metabolite;
neurotransmitter |
acetic acid
Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 3.03 | 4 | 0 | monocarboxylic acid | antimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent |
catechol
[no description available] | 2.64 | 3 | 0 | catechols | allelochemical;
genotoxin;
plant metabolite |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 2.49 | 2 | 0 | trihydroxybenzoic acid | antineoplastic agent;
antioxidant;
apoptosis inducer;
astringent;
cyclooxygenase 2 inhibitor;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
geroprotector;
human xenobiotic metabolite;
plant metabolite |
guaiacol
Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 1.96 | 1 | 0 | guaiacols | disinfectant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
expectorant;
plant metabolite |
3,4-dihydroxyphenylacetic acid
3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 2.37 | 2 | 0 | catechols;
dihydroxyphenylacetic acid | human metabolite |
creatine
[no description available] | 2.06 | 1 | 0 | glycine derivative;
guanidines;
zwitterion | geroprotector;
human metabolite;
mouse metabolite;
neuroprotective agent;
nutraceutical |
histamine
[no description available] | 2.34 | 2 | 0 | aralkylamino compound;
imidazoles | human metabolite;
mouse metabolite;
neurotransmitter |
indole
[no description available] | 3.74 | 11 | 0 | indole;
polycyclic heteroarene | Escherichia coli metabolite |
indoleacetic acid
indoleacetic acid: RN given refers to unlabeled parent cpd; structure in Merck Index, 9th ed, #4841. auxin : Any of a group of compounds, both naturally occurring and synthetic, that induce cell elongation in plant stems (from Greek alphaupsilonxialphanuomega, "to grow").. indole-3-acetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group. | 3.95 | 14 | 0 | indole-3-acetic acids;
monocarboxylic acid | auxin;
human metabolite;
mouse metabolite;
plant hormone;
plant metabolite |
dihydroxyphenylalanine
Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring. | 7.35 | 2 | 0 | hydroxyphenylalanine;
non-proteinogenic alpha-amino acid;
tyrosine derivative | human metabolite |
kynurenine
Kynurenine: A metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway.. kynurenine : A ketone that is alanine in which one of the methyl hydrogens is substituted by a 2-aminobenzoyl group. | 7.68 | 3 | 0 | aromatic ketone;
non-proteinogenic alpha-amino acid;
substituted aniline | human metabolite |
melatonin
[no description available] | 4.99 | 7 | 0 | acetamides;
tryptamines | anticonvulsant;
central nervous system depressant;
geroprotector;
hormone;
human metabolite;
immunological adjuvant;
mouse metabolite;
radical scavenger |
n-acetylserotonin
N-acetylserotonin : An N-acylserotonin resulting from the formal condensation of the primary amino group of serotonin with the carboxy group of acetic acid. | 2.9 | 4 | 0 | acetamides;
N-acylserotonin;
phenols | antioxidant;
human metabolite;
mouse metabolite;
tropomyosin-related kinase B receptor agonist |
niacin
Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. | 1.97 | 1 | 0 | pyridine alkaloid;
pyridinemonocarboxylic acid;
vitamin B3 | antidote;
antilipemic drug;
EC 3.5.1.19 (nicotinamidase) inhibitor;
Escherichia coli metabolite;
human urinary metabolite;
metabolite;
mouse metabolite;
plant metabolite;
vasodilator agent |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 1.97 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
pyridoxine
4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol: structure in first source. vitamin B6 : Any member of the group of pyridines that exhibit biological activity against vitamin B6 deficiency. Vitamin B6 deficiency is associated with microcytic anemia, electroencephalographic abnormalities, dermatitis with cheilosis (scaling on the lips and cracks at the corners of the mouth) and glossitis (swollen tongue), depression and confusion, and weakened immune function. Vitamin B6 consists of the vitamers pyridoxine, pyridoxal, and pyridoxamine and their respective 5'-phosphate esters (and includes their corresponding ionized and salt forms). | 3.75 | 2 | 1 | hydroxymethylpyridine;
methylpyridines;
monohydroxypyridine;
vitamin B6 | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
quinolinic acid
Quinolinic Acid: A metabolite of tryptophan with a possible role in neurodegenerative disorders. Elevated CSF levels of quinolinic acid are correlated with the severity of neuropsychological deficits in patients who have AIDS.. pyridinedicarboxylic acid : Any member of the class of pyridines carrying two carboxy groups.. quinolinic acid : A pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan. | 2.15 | 1 | 0 | pyridinedicarboxylic acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
NMDA receptor agonist |
tryptamine
[no description available] | 2.07 | 1 | 0 | aminoalkylindole;
aralkylamino compound;
indole alkaloid;
tryptamines | human metabolite;
mouse metabolite;
plant metabolite |
uric acid
Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 6.96 | 1 | 0 | uric acid | Escherichia coli metabolite;
human metabolite;
mouse metabolite |
2-amino-5-phosphonovalerate
2-Amino-5-phosphonovalerate: The D-enantiomer is a potent and specific antagonist of NMDA glutamate receptors (RECEPTORS, N-METHYL-D-ASPARTATE). The L form is inactive at NMDA receptors but may affect the AP4 (2-amino-4-phosphonobutyrate; APB) excitatory amino acid receptors. | 2.04 | 1 | 0 | non-proteinogenic alpha-amino acid | NMDA receptor antagonist |
1-(3-chlorophenyl)piperazine
1-(3-chlorophenyl)piperazine: supposed metabolite of TRAZODONE; RN given refers to parent cpd; structure. 1-(3-chlorophenyl)piperazine : A N-arylpiperazine that is piperazine carrying a 3-chlorophenyl substituent at position 1. It is a metabolite of the antidepressant drug trazodone. | 1.97 | 1 | 0 | monochlorobenzenes;
N-arylpiperazine | drug metabolite;
environmental contaminant;
serotonergic agonist;
xenobiotic |
3-hydroxybenzylhydrazine
3-hydroxybenzylhydrazine: decarboxylase inhibitor; RN given refers to parent cpd; structure | 1.96 | 1 | 0 | phenols | |
3-methoxytyramine
3-methoxytyramine: RN given refers to parent cpd. 3-methoxytyramine : A monomethoxybenzene that is dopamine in which the hydroxy group at position 3 is replaced by a methoxy group. It is a metabolite of the neurotransmitter dopamine and considered a potential biomarker of pheochromocytomas and paragangliomas. | 2.05 | 1 | 0 | monomethoxybenzene;
phenols;
phenylethylamine;
primary amino compound | biomarker;
human blood serum metabolite;
human urinary metabolite |
homovanillic acid
Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 8.09 | 5 | 0 | guaiacols;
monocarboxylic acid | human metabolite;
mouse metabolite |
hydroxyindoleacetic acid
(5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 10.8 | 30 | 0 | indole-3-acetic acids | drug metabolite;
human metabolite;
mouse metabolite |
5-methoxytryptamine
5-Methoxytryptamine: Serotonin derivative proposed as potentiator for hypnotics and sedatives.. 5-methoxytryptamine : A member of the class of tryptamines that is the methyl ether derivative of serotonin. | 3.5 | 2 | 0 | aromatic ether;
primary amino compound;
tryptamines | 5-hydroxytryptamine 2A receptor agonist;
5-hydroxytryptamine 2B receptor agonist;
5-hydroxytryptamine 2C receptor agonist;
antioxidant;
cardioprotective agent;
human metabolite;
mouse metabolite;
neuroprotective agent;
radiation protective agent;
serotonergic agonist |
6-methoxytryptoline
6-methoxytryptoline: RN given refers to parent cpd; structure | 3.5 | 2 | 0 | | |
caffeine
[no description available] | 1.96 | 1 | 0 | purine alkaloid;
trimethylxanthine | adenosine A2A receptor antagonist;
adenosine receptor antagonist;
adjuvant;
central nervous system stimulant;
diuretic;
EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
environmental contaminant;
food additive;
fungal metabolite;
geroprotector;
human blood serum metabolite;
mouse metabolite;
mutagen;
plant metabolite;
psychotropic drug;
ryanodine receptor agonist;
xenobiotic |
valproic acid
Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS.. valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. | 1.96 | 1 | 0 | branched-chain fatty acid;
branched-chain saturated fatty acid | anticonvulsant;
antimanic drug;
EC 3.5.1.98 (histone deacetylase) inhibitor;
GABA agent;
neuroprotective agent;
psychotropic drug;
teratogenic agent |
harmaline
Harmaline: A beta-carboline alkaloid isolated from seeds of PEGANUM.. harmaline : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7 and has been reduced across the 3,4 bond. | 2.07 | 1 | 0 | harmala alkaloid | oneirogen |
harmalol
harmalol: inhibitor of rat liver microsomal UDP-glucuronyltransferase; RN given refers to parent cpd; structure. harmalol : A harmala alkaloid in which the harman skeleton is hydroxy-substituted at C-7 and has been reduced across the 3,4 bond. | 2.07 | 1 | 0 | harmala alkaloid | algal metabolite;
EC 1.4.3.4 (monoamine oxidase) inhibitor |
idebenone
[no description available] | 1.97 | 1 | 0 | 1,4-benzoquinones;
primary alcohol | antioxidant;
ferroptosis inhibitor |
ifenprodil
ifenprodil: NMDA receptor antagonist | 2.1 | 1 | 0 | piperidines | |
imipramine
Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 6.93 | 1 | 0 | dibenzoazepine | adrenergic uptake inhibitor;
antidepressant;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
ketanserin
Ketanserin: A selective serotonin receptor antagonist with weak adrenergic receptor blocking properties. The drug is effective in lowering blood pressure in essential hypertension. It also inhibits platelet aggregation. It is well tolerated and is particularly effective in older patients.. ketanserin : A member of the class of quinazolines that is quinazoline-2,4(1H,3H)-dione which is substituted at position 3 by a 2-[4-(p-fluorobenzoyl)piperidin-1-yl]ethyl group. | 3.35 | 1 | 1 | aromatic ketone;
organofluorine compound;
piperidines;
quinazolines | alpha-adrenergic antagonist;
antihypertensive agent;
cardiovascular drug;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
serotonergic antagonist |
kojic acid
[no description available] | 2.05 | 1 | 0 | 4-pyranones;
enol;
primary alcohol | Aspergillus metabolite;
EC 1.10.3.1 (catechol oxidase) inhibitor;
EC 1.10.3.2 (laccase) inhibitor;
EC 1.13.11.24 (quercetin 2,3-dioxygenase) inhibitor;
EC 1.14.18.1 (tyrosinase) inhibitor;
EC 1.4.3.3 (D-amino-acid oxidase) inhibitor;
NF-kappaB inhibitor;
skin lightening agent |
kynurenic acid
Kynurenic Acid: A broad-spectrum excitatory amino acid antagonist used as a research tool.. kynurenic acid : A quinolinemonocarboxylic acid that is quinoline-2-carboxylic acid substituted by a hydroxy group at C-4. | 2.03 | 1 | 0 | monohydroxyquinoline;
quinolinemonocarboxylic acid | G-protein-coupled receptor agonist;
human metabolite;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist;
Saccharomyces cerevisiae metabolite |
methiothepin
Methiothepin: A serotonin receptor antagonist in the CENTRAL NERVOUS SYSTEM used as an antipsychotic.. methiothepin : A dibenzothiepine that is 10,11-dihydrodibenzo[b,f]thiepine bearing additional methylthio and 4-methylpiperazin-1-yl substituents at positions 8 and 10 respectively. Potent 5-HT2 antagonist, also active as 5-HT1 antagonist. Differentiates 5-HT1D sub-types. Also displays affinity for rodent 5-HT5B, 5-HT5A, 5-HT7 and 5-HT6 receptors (pK1 values are 6.6, 7.0, 8.4 and 8.7 respectively). | 1.97 | 1 | 0 | aryl sulfide;
dibenzothiepine;
N-alkylpiperazine;
tertiary amino compound | antipsychotic agent;
dopaminergic antagonist;
geroprotector;
serotonergic antagonist |
oxidopamine
Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals.. oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). | 2 | 1 | 0 | benzenetriol;
catecholamine;
primary amino compound | drug metabolite;
human metabolite;
neurotoxin |
oxprenolol
Oxprenolol: A beta-adrenergic antagonist used in the treatment of hypertension, angina pectoris, arrhythmias, and anxiety. | 6.96 | 1 | 0 | aromatic ether | |
fenclonine
Fenclonine: A selective and irreversible inhibitor of tryptophan hydroxylase, a rate-limiting enzyme in the biosynthesis of serotonin (5-HYDROXYTRYPTAMINE). Fenclonine acts pharmacologically to deplete endogenous levels of serotonin. | 2.37 | 2 | 0 | phenylalanine derivative | |
pargyline
Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 1.96 | 1 | 0 | aromatic amine | |
succinylcholine
Succinylcholine: A quaternary skeletal muscle relaxant usually used in the form of its bromide, chloride, or iodide. It is a depolarizing relaxant, acting in about 30 seconds and with a duration of effect averaging three to five minutes. Succinylcholine is used in surgical, anesthetic, and other procedures in which a brief period of muscle relaxation is called for.. succinylcholine : A quaternary ammonium ion that is the bis-choline ester of succinic acid. | 2.02 | 1 | 0 | quaternary ammonium ion;
succinate ester | drug allergen;
muscle relaxant;
neuromuscular agent |
tyramine
[no description available] | 2.39 | 2 | 0 | monoamine molecular messenger;
primary amino compound;
tyramines | EC 3.1.1.8 (cholinesterase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter |
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. | 1.94 | 1 | 0 | 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 |
phentolamine
Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.. phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension. | 1.97 | 1 | 0 | imidazoles;
phenols;
substituted aniline;
tertiary amino compound | alpha-adrenergic antagonist;
vasodilator agent |
9,10-dimethyl-1,2-benzanthracene
9,10-Dimethyl-1,2-benzanthracene: Polycyclic aromatic hydrocarbon found in tobacco smoke that is a potent carcinogen.. 7,12-dimethyltetraphene : A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke. | 2 | 1 | 0 | ortho-fused polycyclic arene;
tetraphenes | carcinogenic agent |
levodopa
Levodopa: The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system.. L-dopa : An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | 2 | 1 | 0 | amino acid zwitterion;
dopa;
L-tyrosine derivative;
non-proteinogenic L-alpha-amino acid | allelochemical;
antidyskinesia agent;
antiparkinson drug;
dopaminergic agent;
hapten;
human metabolite;
mouse metabolite;
neurotoxin;
plant growth retardant;
plant metabolite;
prodrug |
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. | 2.37 | 2 | 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 |
aniline
[no description available] | 2.13 | 1 | 0 | anilines;
primary arylamine | |
phenylalanine
Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 2.86 | 4 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
phenylalanine;
proteinogenic amino acid | algal metabolite;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
Escherichia coli metabolite;
human xenobiotic metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
cytarabine
[no description available] | 1.96 | 1 | 0 | beta-D-arabinoside;
monosaccharide derivative;
pyrimidine nucleoside | antimetabolite;
antineoplastic agent;
antiviral agent;
immunosuppressive agent |
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 2.04 | 1 | 0 | L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
threonine
Threonine: An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.. threonine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 1-hydroxyethyl group. | 1.97 | 1 | 0 | amino acid zwitterion;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
threonine | algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
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. | 5.21 | 16 | 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 |
tert-butylhydroperoxide
tert-Butylhydroperoxide: A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(2+)-dependent signal transduction in vascular endothelial cells. It is also used as a catalyst in polymerization reactions and to introduce peroxy groups into organic molecules.. tert-butyl hydroperoxide : An alkyl hydroperoxide in which the alkyl group is tert-butyl. It is widely used in a variety of oxidation processes. | 2.05 | 1 | 0 | alkyl hydroperoxide | antibacterial agent;
oxidising agent |
symclosene
trichloroisocyanuric acid: structure in first source | 2.25 | 1 | 0 | 1,3,5-triazinanes;
organochlorine compound | |
1-naphthol
1-naphthol: RN given refers to parent cpd. 1-naphthol : A naphthol carrying a hydroxy group at position 1.. hydroxynaphthalene : Any member of the class of naphthalenes that is naphthalene carrying one or more hydroxy groups. | 2.08 | 1 | 0 | naphthol | genotoxin;
human xenobiotic metabolite |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.04 | 1 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
benzothiazole
benzothiazole: structure. benzothiazole : An organic heterobicyclic compound that is a fusion product between benzene and thiazole. The parent of the class of benzothiazoles. | 2.08 | 1 | 0 | benzothiazoles | environmental contaminant;
plant metabolite;
xenobiotic |
2-methylindole
2-methylindole: SKATOLE refers to 3-methylindole; RN given refers to parent cpd; structure. 2-methyl-1H-indole : A methylindole that is 1H-indole substituted by a methyl group at position 2. | 2.07 | 1 | 0 | methylindole | |
benzylamine
aminotoluene : Any member of the class of toluenes carrying one or more amino groups. | 7.43 | 2 | 0 | aralkylamine;
primary amine | allergen;
EC 3.5.5.1 (nitrilase) inhibitor;
plant metabolite |
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. | 2.31 | 1 | 0 | pyrrole;
secondary amine | |
furan
furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 7.08 | 1 | 0 | furans;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | carcinogenic agent;
hepatotoxic agent;
Maillard reaction product |
1-nitroso-2-naphthol
[no description available] | 1.96 | 1 | 0 | naphthols | |
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. | 2.08 | 1 | 0 | naphthol | antinematodal drug;
genotoxin;
human urinary metabolite;
human xenobiotic metabolite;
mouse metabolite;
radical scavenger |
2-aminobenzothiazole
[no description available] | 2.08 | 1 | 0 | benzothiazoles | |
hydroxytryptophol
Hydroxytryptophol: 5-Hydroxy-indole-3-ethanol. | 1.97 | 1 | 0 | indoles | |
indazoles
Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | 2.08 | 1 | 0 | indazole | |
benzofuran
benzofuran: RN & structure given in first source. 1-benzofuran : A benzofuran consisting of fused benzene and furan rings. It is the parent compound of the class of 1-benzofurans. | 2.08 | 1 | 0 | 1-benzofurans;
benzofuran | |
isoxazoles
Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent. | 2.44 | 2 | 0 | isoxazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.35 | 2 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
galantamine
Galantamine: A benzazepine derived from norbelladine. It is found in GALANTHUS and other AMARYLLIDACEAE. It is a cholinesterase inhibitor that has been used to reverse the muscular effects of GALLAMINE TRIETHIODIDE and TUBOCURARINE and has been studied as a treatment for ALZHEIMER DISEASE and other central nervous system disorders.. galanthamine : A benzazepine alkaloid isolated from certain species of daffodils. | 2.07 | 1 | 0 | benzazepine alkaloid fundamental parent;
benzazepine alkaloid;
organic heterotetracyclic compound;
tertiary amino compound | antidote to curare poisoning;
cholinergic drug;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
plant metabolite |
violacein
[no description available] | 7 | 1 | 0 | | |
5-methylindole
[no description available] | 2.08 | 1 | 0 | | |
methoxytryptophol
[no description available] | 3.45 | 2 | 0 | indoles | |
5-methoxyindole
5-methoxyindole: structure in first source | 8.02 | 4 | 0 | indoles | |
6-methoxyquinoline
6-methoxyquinoline: RN given refers to parent cpd. 6-methoxyquinoline : An aromatic ether that is quinoline substituted at position 6 by a methoxy group. | 2.07 | 1 | 0 | aromatic ether;
quinolines | |
5-methoxyindoleacetic acid
5-methoxyindoleacetic acid: serotonin metabolite. 5-methoxyindole-3-acetic acid : A member of the class of indole-3-acetic acids in which the hydrogen at position 5 of indole-3-acetic acid has been replaced by a methoxy group. | 3.45 | 2 | 0 | aromatic ether;
indole-3-acetic acids | antibacterial agent;
Brassica napus metabolite;
carcinogenic agent;
human urinary metabolite;
marine xenobiotic metabolite;
rat metabolite |
vanadium
Vanadium: A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs. | 6.93 | 1 | 0 | elemental vanadium;
vanadium group element atom | micronutrient |
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. | 3.88 | 13 | 0 | benzenes;
phenyl acetates | |
dihydro-beta-erythroidine
Dihydro-beta-Erythroidine: Dihydro analog of beta-erythroidine, which is isolated from the seeds and other plant parts of Erythrina sp. Leguminosae. It is an alkaloid with curarimimetic properties.. dihydro-beta-erythroidine : An organic heterotetracyclic compound resulting from the partial hydrogenation of the 1,3-diene moiety of beta-erythroidine to give the corresponding 2-ene. | 2.02 | 1 | 0 | delta-lactone;
organic heterotetracyclic compound;
tertiary amino compound | nicotinic antagonist |
glutamic acid
Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.01 | 1 | 0 | glutamic acid;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | Escherichia coli metabolite;
ferroptosis inducer;
micronutrient;
mouse metabolite;
neurotransmitter;
nutraceutical |
methyldopa
Methyldopa: An alpha-2 adrenergic agonist that has both central and peripheral nervous system effects. Its primary clinical use is as an antihypertensive agent.. alpha-methyl-L-dopa : A derivative of L-tyrosine having a methyl group at the alpha-position and an additional hydroxy group at the 3-position on the phenyl ring. | 1.94 | 1 | 0 | L-tyrosine derivative;
non-proteinogenic L-alpha-amino acid | alpha-adrenergic agonist;
antihypertensive agent;
hapten;
peripheral nervous system drug;
sympatholytic agent |
diltiazem
Diltiazem: A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions.. diltiazem : A 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate in which both stereocentres have S configuration. A calcium-channel blocker and vasodilator, it is used as the hydrochloride in the management of angina pectoris and hypertension. | 2 | 1 | 0 | 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate | antihypertensive agent;
calcium channel blocker;
vasodilator agent |
1,2-dianilinoethane
1,2-dianilinoethane: structure | 2.41 | 2 | 0 | | |
5-fluoroindole
[no description available] | 2.05 | 1 | 0 | fluoroindole | |
ubenimex
ubenimex: growth inhibitor | 2.05 | 1 | 0 | | |
indole-5-carboxylic acid
[no description available] | 2.07 | 1 | 0 | indolecarboxylic acid | plant metabolite |
4-hydroxyindole
hydroxyindoles : Any member of the class of indoles carrying at least one hydroxy group. | 2.07 | 1 | 0 | hydroxyindoles;
phenols | |
methyl tryptophan, (l-trp)-isomer
[no description available] | 3.6 | 2 | 0 | | |
4-dimethylaminobenzylamine
[no description available] | 7 | 1 | 0 | | |
5-chloroindole
5-chloroindole: a positive allosteric modulator of the 5-HT3 receptor | 2.05 | 1 | 0 | | |
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 2.43 | 2 | 0 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic |
3,4-dihydroxybenzylamine
3,4-dihydroxybenzylamine: RN given refers to parent cpd; structure | 1.96 | 1 | 0 | catechols | |
6-hydroxy-1-methyltryptoline
6-hydroxy-1-methyltryptoline: possible product of ethanol & tryptophan metabolism; structure given in first source | 2.05 | 1 | 0 | | |
methyllycaconitine
methyllycaconitine: natural toxin from seeds of Delphinium brownii; parasympathomimetic and mild nicotine antagonist; antagonist of alpha-conotoxin-MII sensitive presynaptic nicotinic receptors; potent insecticide; RN refers to (1alpha,4(S),6beta,14alpha,16beta)-isomer | 2.03 | 1 | 0 | | |
tryptoline
tryptoline: neurotoxic factor that may be involved in development of Parkinson's disease; enzymatic prep from human brain converts tryptamine to tryptoline; RN given refers to parent cpd; structure | 2.07 | 1 | 0 | beta-carbolines | |
5,6-dihydroxyindole
[no description available] | 2.1 | 1 | 0 | dihydroxyindole | mouse metabolite |
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). | 2.05 | 1 | 0 | nitrogen oxoacid | |
vadimezan
vadimezan : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by a 5,6-dimethyl-9-oxoxanthen-4-yl group. | 2.03 | 1 | 0 | monocarboxylic acid;
xanthones | antineoplastic agent |
gr 65630
GR 65630: serotonin receptor ligand. GR 65630 : A member of the class of methylindoles that is 1-methylindole substituted at position 3 by a 3-(4-methylimidazol-5-yl)propanoyl group. | 1.98 | 1 | 0 | | |
5-methoxytryptophan
5-methoxytryptophan: RN given refers to cpd without isomeric designation. 5-methoxytryptophan : An L-tryptophan derivative that is L-tryptophan with a methoxy substituent at position 5. | 3.06 | 1 | 0 | L-alpha-amino acid zwitterion;
L-tryptophan derivative | metabolite |
dihydroresveratrol
dihydroresveratrol: structure in first source. dihydroresveratrol : A stilbenol that is 1,1'-ethane-1,2-diyldibenzene with hydroxy groups at positions 1, 3 and 4'. | 2.05 | 1 | 0 | stilbenol | plant metabolite;
xenobiotic metabolite |
anabasine
Anabasine: A piperidine botanical insecticide.. (S)-anabasine : The (S)-enantiomer of anabasine.. anabasine : A pyridine alkaloid that is pyridine substituted by a piperidin-2-yl group at position 3. | 2.45 | 2 | 0 | anabasine | |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.08 | 1 | 0 | | |
pnu 120596
1-(5-chloro-2,4-dimethoxyphenyl)-3-(5-methylisoxazol-3-yl)urea: an alpha7nAChR agonist; structure in first source | 4.06 | 4 | 0 | ureas | |
4-(2-Amino-1,3-thiazol-4-yl)phenol
[no description available] | 2.05 | 1 | 0 | phenols | |
resveratrol
trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.05 | 1 | 0 | resveratrol | antioxidant;
phytoalexin;
plant metabolite;
quorum sensing inhibitor;
radical scavenger |
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 1.97 | 1 | 0 | benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid | adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
6-hydroxyindole
6-hydroxyindole: structure in first source | 2.49 | 2 | 0 | | |
isoliquiritigenin
[no description available] | 2.1 | 1 | 0 | chalcones | antineoplastic agent;
biological pigment;
EC 1.14.18.1 (tyrosinase) inhibitor;
GABA modulator;
geroprotector;
metabolite;
NMDA receptor antagonist |
phenylthiourea
Phenylthiourea: Phenylthiourea is a THIOUREA derivative containing a phenyl ring. Depending on their genetic makeup, humans can find it either bitter-tasting or tasteless.. N-phenylthiourea : A member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by a phenyl group. Depending on their genetic makeup, humans find it either very bitter-tasting or tasteless. This unusual property resulted in N-phenylthiourea being used in paternity testing prior to the advent of DNA testing. | 2 | 1 | 0 | thioureas | EC 1.14.18.1 (tyrosinase) inhibitor |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2.49 | 2 | 0 | caffeic acid | geroprotector;
mouse metabolite |
2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline
2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline: structure given in first source; neuroprotectant for cerebral ischemia; AMPA receptor antagonist | 2.04 | 1 | 0 | naphthalenes;
sulfonic acid derivative | |
17-ketosteroids
17-Ketosteroids: Steroids that contain a ketone group at position 17.. 17-oxo steroid : Any oxo steroid carrying the oxo group at position 17. | 6.93 | 1 | 0 | | |
harmine
Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's.. harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. | 2.07 | 1 | 0 | harmala alkaloid | anti-HIV agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
metabolite |
naringenin chalcone
naringenin chalcone: RN given refers to cpd with unspecified stereoisomer & from CA Vol 92 Form Index; RN for cpd not in Chemline 7/6/83; structure in first source. 2',4,4',6'-tetrahydroxychalcone : A member of the class of chalcones that is trans-chalcone substituted by hydroxy groups at positions 2' ,4, 4', and 6' respectively. | 2.1 | 1 | 0 | chalcones;
polyphenol | anti-allergic agent;
anti-inflammatory agent;
metabolite |
genistein
[no description available] | 2.45 | 2 | 0 | 7-hydroxyisoflavones | antineoplastic agent;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
geroprotector;
human urinary metabolite;
phytoestrogen;
plant metabolite;
tyrosine kinase inhibitor |
harman
harman: a beta-carboline; RN given refers to parent cpd; structure. harman : An indole alkaloid fundamental parent with a structure of 9H-beta-carboline carrying a methyl substituent at C-1. It has been isolated from the bark of Sickingia rubra, Symplocus racemosa, Passiflora incarnata, Peganum harmala, Banisteriopsis caapi and Tribulus terrestris, as well as from tobacco smoke. It is a specific, reversible inhibitor of monoamine oxidase A. | 2.07 | 1 | 0 | harmala alkaloid;
indole alkaloid fundamental parent;
indole alkaloid | anti-HIV agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
plant metabolite |
naloxone
Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.. naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. | 1.97 | 1 | 0 | morphinane alkaloid;
organic heteropentacyclic compound;
tertiary alcohol | antidote to opioid poisoning;
central nervous system depressant;
mu-opioid receptor antagonist |
morphine
Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 2.67 | 3 | 0 | morphinane alkaloid;
organic heteropentacyclic compound;
tertiary amino compound | anaesthetic;
drug allergen;
environmental contaminant;
geroprotector;
mu-opioid receptor agonist;
opioid analgesic;
plant metabolite;
vasodilator agent;
xenobiotic |
3-(2,4-dimethoxybenzylidene)anabaseine
3-(2,4-dimethoxybenzylidene)anabaseine: an alpha7nAChR nicotinic receptor agonist | 2.03 | 1 | 0 | dimethoxybenzene | |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 1.97 | 1 | 0 | carbon group element atom;
elemental lead;
metal atom | neurotoxin |
barium
Barium: An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. | 2.02 | 1 | 0 | alkaline earth metal atom;
elemental barium | |
2,4,2'-trihydroxychalcone
2,4,2'-trihydroxychalcone: structure in first source | 2.1 | 1 | 0 | | |
n-feruloylserotonin
N-feruloylserotonin: structure in first source. N-feruloylserotonin : A member of the class of hydroxyindoles that is the N-feruloyl derivative of serotonin. | 2.05 | 1 | 0 | aromatic ether;
cinnamamides;
hydroxyindoles;
phenols;
secondary carboxamide | plant metabolite |
tetrodotoxin
Tetrodotoxin: An aminoperhydroquinazoline poison found mainly in the liver and ovaries of fishes in the order TETRAODONTIFORMES, which are eaten. The toxin causes paresthesia and paralysis through interference with neuromuscular conduction.. tetrodotoxin : A quinazoline alkaloid that is a marine toxin isolated from fish such as puffer fish. It has been shown to exhibit potential neutotoxicity due to its ability to block voltage-gated sodium channels. | 2.04 | 1 | 0 | azatetracycloalkane;
oxatetracycloalkane;
quinazoline alkaloid | animal metabolite;
bacterial metabolite;
marine metabolite;
neurotoxin;
voltage-gated sodium channel blocker |
gadolinium dtpa
Gadolinium DTPA: A complex of gadolinium with a chelating agent, diethylenetriamine penta-acetic acid (DTPA see PENTETIC ACID), that is given to enhance the image in cranial and spinal MRIs. (From Martindale, The Extra Pharmacopoeia, 30th ed, p706) | 2.03 | 1 | 0 | gadolinium coordination entity | MRI contrast agent |
s 24795
S 24795: acetylcholine agonist | 2.44 | 2 | 0 | | |
n-caffeoyltyramine
N-caffeoyltyramine: structure in first source | 2.05 | 1 | 0 | catechols | |
alpha-synuclein
alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 2.05 | 1 | 0 | | |
pnu-282987
[no description available] | 2.03 | 1 | 0 | | |
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 1.96 | 1 | 0 | organophosphate oxoanion | cofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite |
cytochrome c-t
Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.05 | 1 | 0 | | |
ubiquinone
Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 1.97 | 1 | 0 | | |
a 867744
4-(5-(4-chlorophenyl)-2-methyl-3-propionyl-1H-pyrrol-1-yl)benzenesulfonamide: positive modulator of alpha7 nicotinic acetylcholine receptor; structure in first source | 2.1 | 1 | 0 | | |
s-adenosylmethionine
(R)-S-adenosyl-L-methionine : An S-adenosyl-L-methionine that has R-configuration.. S-adenosyl-L-methionine zwitterion : A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.. (R)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has R-configuration; major species at pH 7.3.. (S)-S-adenosyl-L-methionine zwitterion : An S-adenosyl-L-methionine zwitterion that has S-configuration; major species at pH 7.3.. S-adenosyl-L-methionine : A sulfonium compound that is the S-adenosyl derivative of L-methionine. It is an intermediate in the metabolic pathway of methionine. | 1.94 | 1 | 0 | organic cation;
sulfonium compound | coenzyme;
cofactor;
human metabolite;
micronutrient;
Mycoplasma genitalium metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite |
piperidines
Piperidines: A family of hexahydropyridines. | 3.35 | 1 | 1 | | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 2.38 | 2 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
aconitine
Aconitine: A C19 norditerpenoid alkaloid (DITERPENES) from the root of ACONITUM; DELPHINIUM and larkspurs. It activates VOLTAGE-GATED SODIUM CHANNELS. It has been used to induce ARRHYTHMIAS in experimental animals and it has anti-inflammatory and anti-neuralgic properties.. aconitine : A diterpenoid that is 20-ethyl-3alpha,13,15alpha-trihydroxy-1alpha,6alpha,16beta-trimethoxy-4-(methoxymethyl)aconitane-8,14alpha-diol having acetate and benzoate groups at the 8- and 14-positions respectively. | 2.03 | 1 | 0 | | |
sapropterin
sapropterin: RN given refers to parent cpd; co-factor required for catalytic activity of nitric oxide synthases. (6R)-5,6,7,8-tetrahydrobiopterin : A 5,6,7,8-tetrahydrobiopterin in which the stereocentre at position 6 has R-configuration.. sapropterin : A tetrahydropterin that is 2-amino-5,6,7,8-tetrahydropteridin-4(3H)-one in which a hydrogen at position 6 is substituted by a 1,2-dihydroxypropyl group (6R,1'R,2'S-enantiomer). | 2.13 | 1 | 0 | 5,6,7,8-tetrahydrobiopterin | coenzyme;
cofactor;
diagnostic agent;
human metabolite |