protocatechuic acid
protocatechuic acid: RN given refers to parent cpd; structure. 3,4-dihydroxybenzoic acid : A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. | 2 | 1 | 0 | catechols;
dihydroxybenzoic acid | antineoplastic agent;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor;
human xenobiotic metabolite;
plant metabolite |
2,3-dihydroxybiphenyl
2,3-dihydroxybiphenyl: structure in first source. biphenyl-2,3-diol : A member of the class of hydroxybiphenyls that is 1,1'-biphenyl substituted by hydroxy groups at positions 2 and 3. | 2.02 | 1 | 0 | catechols;
hydroxybiphenyls | |
catechol
[no description available] | 2.1 | 1 | 0 | catechols | allelochemical;
genotoxin;
plant metabolite |
salicylic acid
Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 2.1 | 1 | 0 | monohydroxybenzoic acid | algal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite |
dibenzofuran
Dibenzofurans: Compounds that include the structure of dibenzofuran.. dibenzofurans : Any organic heterotricyclic compound based on a dibenzofuran skeleton and its substituted derivatives thereof.. dibenzofuran : A mancude organic heterotricyclic parent that consists of a furan ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 7.49 | 2 | 0 | dibenzofurans;
mancude organic heterotricyclic parent;
polycyclic heteroarene | xenobiotic |
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. | 7.44 | 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 |
naphthalene
[no description available] | 2.6 | 1 | 0 | naphthalenes;
ortho-fused bicyclic arene | apoptosis inhibitor;
carcinogenic agent;
environmental contaminant;
mouse metabolite;
plant metabolite;
volatile oil component |
phenanthrene
phenanthrene : A polycyclic aromatic hydrocarbon composed of three fused benzene rings which takes its name from the two terms 'phenyl' and 'anthracene.' | 7.89 | 3 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon;
phenanthrenes | environmental contaminant;
mouse metabolite |
phthalic acid
phthalic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7178. phthalic acid : A benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. | 2.42 | 2 | 0 | benzenedicarboxylic acid | human xenobiotic metabolite |
2-aminofluorene
[no description available] | 2.03 | 1 | 0 | | |
oxyquinoline
Oxyquinoline: An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics.. quinolin-8-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 8. Its fungicidal properties are used for the control of grey mould on vines and tomatoes. | 2.05 | 1 | 0 | monohydroxyquinoline | antibacterial agent;
antifungal agrochemical;
antiseptic drug;
iron chelator |
acetaminophen
Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 2.06 | 1 | 0 | acetamides;
phenols | antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
cyclooxygenase 3 inhibitor;
environmental contaminant;
ferroptosis inducer;
geroprotector;
hepatotoxic agent;
human blood serum metabolite;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic |
benzo(a)pyrene
Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
dibenzothiophene
dibenzothiophene : A mancude organic heterotricyclic parent that consists of a thiophene ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2.05 | 1 | 0 | dibenzothiophenes;
mancude organic heterotricyclic parent | keratolytic drug |
dibutyl phthalate
Dibutyl Phthalate: A plasticizer used in most plastics and found in water, air, soil, plants and animals. It may have some adverse effects with long-term exposure.. dibutyl phthalate : A phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of butan-1-ol. Although used extensively as a plasticiser, it is a ubiquitous environmental contaminant that poses a risk to humans. | 2.06 | 1 | 0 | diester;
phthalate ester | EC 3.2.1.20 (alpha-glucosidase) inhibitor;
environmental contaminant;
metabolite;
plasticiser;
teratogenic agent |
dichlorophen
Dichlorophen: Nontoxic laxative vermicide effective for taenia infestation. It tends to produce colic and nausea. It is also used as a veterinary fungicide, anthelmintic, and antiprotozoan. (From Merck, 11th ed.) | 2.05 | 1 | 0 | bridged diphenyl fungicide;
diarylmethane | |
benzophenone
benzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups. | 2.97 | 4 | 0 | benzophenones | photosensitizing agent;
plant metabolite |
beta-lapachone
beta-lapachone: antineoplastic inhibitor of reverse transcriptase, DNA topoisomerase, and DNA polymerase. beta-lapachone : A benzochromenone that is 3,4-dihydro-2H-benzo[h]chromene-5,6-dione substituted by geminal methyl groups at position 2. Isolated from Tabebuia avellanedae, it exhibits antineoplastic and anti-inflammatory activities. | 2.17 | 1 | 0 | benzochromenone;
orthoquinones | anti-inflammatory agent;
antineoplastic agent;
plant metabolite |
methenamine
Methenamine: An anti-infective agent most commonly used in the treatment of urinary tract infections. Its anti-infective action derives from the slow release of formaldehyde by hydrolysis at acidic pH. (From Martindale, The Extra Pharmacopoeia, 30th ed, p173). hexamethylenetetramine : A polycyclic cage that is adamantane in which the carbon atoms at positions 1, 3, 5 and 7 are replaced by nitrogen atoms. | 2.06 | 1 | 0 | polyazaalkane;
polycyclic cage;
tetramine | antibacterial drug |
modafinil
Modafinil: A benzhydryl acetamide compound, central nervous system stimulant, and CYP3A4 inducing agent that is used in the treatment of NARCOLEPSY and SLEEP WAKE DISORDERS.. modafinil : A racemate comprising equimolar amounts of armodafinil and (S)-modafinil. A central nervous system stimulant, it is used for the treatment of sleeping disorders such as narcolepsy, obstructive sleep apnoea, and shift-work sleep disorder. The optical enantiomers of modafinil have similar pharmacological actions in animals.. 2-[(diphenylmethyl)sulfinyl]acetamide : A sulfoxide that is dimethylsulfoxide in which two hydrogens attached to one of the methyl groups are replaced by phenyl groups, while one hydrogen attached to the other methyl group is replaced by a carbamoyl (aminocarbonyl) group. | 2.07 | 1 | 0 | monocarboxylic acid amide;
sulfoxide | |
1,2,5,6-dibenzanthracene
1,2,5,6-dibenzanthracene: RN given refers to parent cpd | 1.97 | 1 | 0 | ortho-fused polycyclic arene | mutagen |
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. | 2.03 | 1 | 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 |
phencyclidine
Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 3.35 | 1 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
bisphenol a
4,4'-isopropylidene diphenol: stimulates proliferative responses and cytokine productions of murine spleen cells and thymus cells in vitro. bisphenol : By usage, the methylenediphenols, HOC6H4CH2C6H4OH, commonly p,p-methylenediphenol, and their substitution products (generally derived from condensation of two equivalent amounts of a phenol with an aldehyde or ketone). The term also includes analogues in the the methylene (or substituted methylene) group has been replaced by a heteroatom.. bisphenol A : A bisphenol that is 4,4'-methanediyldiphenol in which the methylene hydrogens are replaced by two methyl groups. | 2.17 | 1 | 0 | bisphenol | endocrine disruptor;
environmental contaminant;
xenobiotic;
xenoestrogen |
benzanthrone
benzanthrone: RN given refers to parent cpd | 2.13 | 1 | 0 | phenanthrenes | |
9,10-phenanthrenequinone
9,10-phenanthrenequinone: structure | 1.97 | 1 | 0 | phenanthrenes | |
2-methylanthraquinone
2-methylanthraquinone: form Morinda officinalis How.. 2-methylanthraquinone : An anthraquinone that is 9,10-anthraquinone in which the hydrogen at position 2 is substituted by a methyl group. | 2.1 | 1 | 0 | anthraquinone | |
9,10-anthraquinone
9,10-anthraquinone : An anthraquinone that is anthracene in which positions 9 and 10 have been oxidised to carbonyls. | 2.51 | 2 | 0 | anthraquinone | |
benzoic anhydride
2-benzoylbenzoic acid: structure in first source | 2.08 | 1 | 0 | | |
fluorene
[no description available] | 8.6 | 9 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon | |
carbazole
carbazole: structure in first source | 2.05 | 1 | 0 | carbazole | |
isosorbide dinitrate
Isosorbide Dinitrate: A vasodilator used in the treatment of ANGINA PECTORIS. Its actions are similar to NITROGLYCERIN but with a slower onset of action. | 3.4 | 1 | 1 | glucitol derivative;
nitrate ester | nitric oxide donor;
vasodilator agent |
hexachlorobutadiene
hexachlorobutadiene: a potent nephrotoxicant in rats; structure | 2.06 | 1 | 0 | organochlorine compound | |
xanthone
xanthone : The parent compound of the xanthone class consisting of xanthene bearing a single oxo substituent at position 9. | 2.03 | 1 | 0 | xanthones | insecticide |
2-methylnaphthalene
2-methylnaphthalene: RN given refers to parent cpd. 2-methylnaphthalene : A methylnaphthalene carrying a methyl substituent at position 2. | 2.1 | 1 | 0 | methylnaphthalene | |
diphenyl
diphenyl: RN given refers to unlabeled cpd; structure | 1.98 | 1 | 0 | aromatic fungicide;
benzenes;
biphenyls | antifungal agrochemical;
antimicrobial food preservative |
dimethyl-4-toluidine
[no description available] | 2.04 | 1 | 0 | | |
4-aminodiphenylamine
4-aminodiphenylamine: RN given refers to parent cpd. p-aminodiphenylamine : An aromatic amine that is the 4-amino derivative of diphenylamine. | 2.05 | 1 | 0 | aromatic amine;
secondary amino compound | allergen |
diphenylmethane
diphenylmethane : A diarylmethane that is methane substituted by two phenyl groups. | 2.17 | 1 | 0 | diarylmethane | |
triethylene glycol dimethacrylate
[no description available] | 2 | 1 | 0 | | |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.05 | 1 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
ortho-hydroxybenzophenone
ortho-hydroxybenzophenone: structure in first source. hydroxybenzophenone : Any benzophenone into which is substituted one or more hydroxy groups. | 2.08 | 1 | 0 | | |
anthracene
acene : A polycyclic aromatic hydrocarbon consisting of fused benzene rings in a rectilinear arrangement.. acenes : Polycyclic aromatic hydrocarbons consisting of fused benzene rings in a rectilinear arrangement and their substitution derivatives. | 2.17 | 1 | 0 | acene;
anthracenes;
ortho-fused tricyclic hydrocarbon | |
1,4-naphthoquinone
naphthoquinone : A polycyclic aromatic ketone metabolite of naphthalene.. 1,4-naphthoquinone : The parent structure of the family of 1,4-naphthoquinones, in which the oxo groups of the quinone moiety are at positions 1 and 4 of the naphthalene ring. Derivatives have pharmacological properties. | 2.08 | 1 | 0 | 1,4-naphthoquinones | |
benzil
benzil: structure. benzil : An alpha-diketone that is ethane-1,2-dione substituted by phenyl groups at positions 1 and 2 respectively. | 2.9 | 4 | 0 | alpha-diketone;
aromatic ketone | |
coronene
coronene: structure. coronene : A ortho- and peri-fused polycyclic arene that consists of six peri-fused benzene rings. | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
perylene
Perylene: A 20-carbon dibenz(de,kl)anthracene that can be viewed as a naphthalene fused to a phenalene or as dinaphthalene. It is used as fluorescent lipid probe in the cytochemistry of membranes and is a polycyclic hydrocarbon pollutant in soil and water. Derivatives may be carcinogenic.. perylene : An ortho- and peri-fused polycyclic arene comprising of five benzene rings that is anthracene in which the d,e and k,l sides are fused to benzene rings. | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene;
perylenes | |
fluoranthene
fluoranthene: structure. fluoranthene : An ortho- and peri-fused polycyclic arene consisting of a naphthalene and benzene unit connected by a five-membered ring. | 2.57 | 2 | 0 | ortho- and peri-fused polycyclic arene | |
1,4-naphthohydroquinone
naphthohydroquinone : A hydroxynaphthalene that is naphthalene-1,4-diol and its C-substituted derivatives. | 2.05 | 1 | 0 | naphthalenediol;
naphthohydroquinone | |
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 2.46 | 2 | 0 | acetylcysteine;
L-cysteine derivative;
N-acetyl-L-amino acid | antidote to paracetamol poisoning;
antiinfective agent;
antioxidant;
antiviral drug;
ferroptosis inhibitor;
geroprotector;
human metabolite;
mucolytic;
radical scavenger;
vulnerary |
phenylglyoxal
[no description available] | 2.9 | 4 | 0 | phenylacetaldehydes | |
4-hydroxybenzophenone
4-hydroxybenzophenone: RN given refers to parent cpd | 2.08 | 1 | 0 | benzophenones | |
2-(dimethylamino)ethyl methacrylate
2-(dimethylamino)ethyl methacrylate: reducing agent; structure given in first source | 2.9 | 4 | 0 | | |
1-nitropyrene
[no description available] | 2.73 | 3 | 0 | nitroarene | carcinogenic agent |
palladium
Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.72 | 3 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
deuterium
Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.03 | 1 | 0 | dihydrogen | |
camphoroquinone
camphoroquinone: a natural monoterpene, non-aromatic quinone; structure given in first source. bornane-2,3-dione : A bornane monoterpenoid that is bicyclo[2.2.1]heptane substituted by methyl groups at positions 1, 7 and 7 and oxo groups at positions 2 and 3. | 3.38 | 7 | 0 | bornane monoterpenoid;
carbobicyclic compound | |
isosorbide-5-mononitrate
isosorbide-5-mononitrate: for prevention of angina pectoris; structure given in first source; a Russian drug | 3.4 | 1 | 1 | glucitol derivative;
nitrate ester | nitric oxide donor;
vasodilator agent |
pyrene
pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 2.69 | 2 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe;
persistent organic pollutant |
paclitaxel
Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2.17 | 1 | 0 | taxane diterpenoid;
tetracyclic diterpenoid | antineoplastic agent;
human metabolite;
metabolite;
microtubule-stabilising agent |
phenthiazamine
phenthiazamine: RN given refers to parent cpd | 2.05 | 1 | 0 | | |
glucose, (beta-d)-isomer
beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.02 | 1 | 0 | D-glucopyranose | epitope;
mouse metabolite |
fluoren-9-ol
fluoren-9-ol : A member of the class of hydroxyfluorenes that is 9H-fluorene substituted by a hydroxy group at position 9 (the non-aromatic carbon). | 2.95 | 4 | 0 | hydroxyfluorenes;
secondary alcohol | animal metabolite |
2-hydroxyfluorene
2-hydroxyfluorene: structure in first source | 2.11 | 1 | 0 | fluorenes | |
4-hydroxycarbazole
4-hydroxycarbazole: structure in first source | 2.05 | 1 | 0 | | |
aspartame
[no description available] | 2.03 | 1 | 0 | carboxylic acid;
dipeptide zwitterion;
dipeptide;
methyl ester | apoptosis inhibitor;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
environmental contaminant;
micronutrient;
nutraceutical;
sweetening agent;
xenobiotic |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.11 | 1 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.49 | 2 | 0 | | |
indoximod
[no description available] | 2.05 | 1 | 0 | | |
5-amino-8-hydroxyquinoline
5-amino-8-hydroxyquinoline: structure in first source | 2.05 | 1 | 0 | | |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.03 | 1 | 0 | cyclodextrin | |
LSM-42773
[no description available] | 2.17 | 1 | 0 | aromatic ketone | |
1-methyltryptophan
1-methyltryptophan: an immunomodulator. 1-methyltryptophan : A tryptophan derivative that is tryptophan carrying a single methyl substituent at position 1 on the indole. | 2.05 | 1 | 0 | indolyl carboxylic acid | |
4-phenyl-3H-thiazole-2-thione
[no description available] | 2.05 | 1 | 0 | benzenes | |
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. | 2.53 | 2 | 0 | | |
naphthoquinones
Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.08 | 1 | 0 | | |
glycolipids
[no description available] | 2.1 | 1 | 0 | | |
phenanthrenes
Phenanthrenes: POLYCYCLIC AROMATIC HYDROCARBONS composed of three fused BENZENE rings.. phenanthrenes : Any benzenoid aromatic compound that consists of a phenanthrene skeleton and its substituted derivatives thereof. | 3.13 | 5 | 0 | | |