methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.05 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
coumarin
2H-chromen-2-one: coumarin derivative | 2.07 | 1 | 0 | coumarins | fluorescent dye;
human metabolite;
plant metabolite |
2,2'-azobis(2-amidinopropane)
2,2'-azobis(2-amidinopropane): water-soluble free-radical initiator | 2.05 | 1 | 0 | monoazo compound | |
5-methoxypsoralen
5-Methoxypsoralen: A linear furanocoumarin that has phototoxic and anti-inflammatory properties, with effects similar to METHOXSALEN. It is used in PUVA THERAPY for the treatment of PSORIASIS.. 5-methoxypsoralen : A 5-methoxyfurocoumarin that is psoralen substituted by a methoxy group at position 5. | 2.77 | 3 | 0 | 5-methoxyfurocoumarin;
organic heterotricyclic compound;
psoralens | hepatoprotective agent;
plant metabolite |
verapamil
Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 2.42 | 2 | 0 | aromatic ether;
nitrile;
polyether;
tertiary amino compound | |
diazepam
Diazepam: A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity.. diazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one substituted by a chloro group at position 7, a methyl group at position 1 and a phenyl group at position 5. | 1.98 | 1 | 0 | 1,4-benzodiazepinone;
organochlorine compound | anticonvulsant;
anxiolytic drug;
environmental contaminant;
sedative;
xenobiotic |
indomethacin
Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.08 | 1 | 0 | aromatic ether;
indole-3-acetic acids;
monochlorobenzenes;
N-acylindole | analgesic;
drug metabolite;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
gout suppressant;
non-steroidal anti-inflammatory drug;
xenobiotic metabolite;
xenobiotic |
methoxsalen
Methoxsalen: A naturally occurring furocoumarin compound found in several species of plants, including Psoralea corylifolia. It is a photoactive substance that forms DNA ADDUCTS in the presence of ultraviolet A irradiation.. methoxsalen : A member of the class of psoralens that is 7H-furo[3,2-g]chromen-7-one in which the 9 position is substituted by a methoxy group. It is a constituent of the fruits of Ammi majus. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered topically or orally in conjunction with UV-A for phototherapy treatment of vitiligo and severe psoriasis. | 3.31 | 6 | 0 | aromatic ether;
psoralens | antineoplastic agent;
cross-linking reagent;
dermatologic drug;
photosensitizing agent;
plant metabolite |
metronidazole
Metronidazole: A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS.. metronidazole : A member of the class of imidazoles substituted at C-1, -2 and -5 with 2-hydroxyethyl, nitro and methyl groups respectively. It has activity against anaerobic bacteria and protozoa, and has a radiosensitising effect on hypoxic tumour cells. It may be given by mouth in tablets, or as the benzoate in an oral suspension. The hydrochloride salt can be used in intravenous infusions. Metronidazole is a prodrug and is selective for anaerobic bacteria due to their ability to intracellularly reduce the nitro group of metronidazole to give nitroso-containing intermediates. These can covalently bind to DNA, disrupting its helical structure, inducing DNA strand breaks and inhibiting bacterial nucleic acid synthesis, ultimately resulting in bacterial cell death. | 2.05 | 1 | 0 | C-nitro compound;
imidazoles;
primary alcohol | antiamoebic agent;
antibacterial drug;
antimicrobial agent;
antiparasitic agent;
antitrichomonal drug;
environmental contaminant;
prodrug;
radiosensitizing agent;
xenobiotic |
masoprocol
nordihydroguaretic acid: antioxidant compound found in the creosote bush (Larrea tridentata) | 2.08 | 1 | 0 | catechols;
lignan;
tetrol | antioxidant;
ferroptosis inhibitor;
geroprotector;
plant metabolite |
trioxsalen
Trioxsalen: Pigmenting photosensitizing agent obtained from several plants, mainly Psoralea corylifolia. It is administered either topically or orally in conjunction with ultraviolet light in the treatment of vitiligo.. lactone : Any cyclic carboxylic ester containing a 1-oxacycloalkan-2-one structure, or an analogue having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.. antipsoriatic : A drug used to treat psoriasis.. trioxsalen : 7H-Furo[3,2-g]chromen-7-one in which positions 2, 5, and 9 are substituted by methyl groups. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered orally in conjunction with UV-A for phototherapy treatment of vitiligo. After photoactivation it creates interstrand cross-links in DNA, inhibiting DNA synthesis and cell division, and can lead to cell injury; recovery from the cell injury may be followed by increased melanisation of the epidermis. | 2.49 | 2 | 0 | psoralens | dermatologic drug;
photosensitizing agent |
ficusin
Ficusin: A naturally occurring furocoumarin, found in PSORALEA. After photoactivation with UV radiation, it binds DNA via single and double-stranded cross-linking.. psoralen : The simplest member of the class of psoralens that is 7H-furo[3,2-g]chromene having a keto group at position 7. It has been found in plants like Psoralea corylifolia and Ficus salicifolia. | 3.28 | 6 | 0 | psoralens | plant metabolite |
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 1.99 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
scoparone
scoparone: structure. scoparone : A member of the class of coumarins that is esculetin in which the two hydroxy groups at positions 6 and 7 are replaced by methoxy groups. It is a major constituent of the Chinese herbal medicine Yin Chen Hao, and exhibits a variety of pharmacological activities such as anti-inflammatory, anti-allergic, and anti-tumor activities. | 2.48 | 2 | 0 | aromatic ether;
coumarins | anti-allergic agent;
anti-inflammatory agent;
antihypertensive agent;
antilipemic drug;
immunosuppressive agent;
plant metabolite |
vanillic acid
Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).. vanillic acid : A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. | 1.98 | 1 | 0 | methoxybenzoic acid;
monohydroxybenzoic acid | plant metabolite |
9-(2,3-dihydroxy-3-methylbutoxy)-4-methoxy-7h-furo(3,2-g)(1)benzopyran-7-one
9-(2,3-dihydroxy-3-methylbutoxy)-4-methoxy-7H-furo(3,2-g)(1)benzopyran-7-one: isolated from Angelica dahurica (Umbelliferae); structure in first source | 2.53 | 2 | 0 | psoralens | |
imperatorin
imperatorin: tumor necrosis factor antagonist; furanocoumarin from West African medicinal plant Clausena anisata; structure in Negwer, 5th ed, #3005. imperatorin : A member of the class of psoralens that is psoralen substituted by a prenyloxy group at position 8. Isolated from Angelica dahurica and Angelica koreana, it acts as a acetylcholinesterase inhibitor. | 3.69 | 9 | 0 | psoralens | EC 3.1.1.7 (acetylcholinesterase) inhibitor;
metabolite |
osthol
osthol: from Cnidium monnieri and Angelica pubescens (both Apiaceae); structure given in first source | 7.77 | 3 | 0 | botanical anti-fungal agent;
coumarins | metabolite |
hesperidin
Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.05 | 1 | 0 | 3'-hydroxyflavanones;
4'-methoxyflavanones;
dihydroxyflavanone;
disaccharide derivative;
flavanone glycoside;
monomethoxyflavanone;
rutinoside | mutagen |
angelicin
angelicin: used as tranquillizer; sedative; or anticonvulsant; structure | 2.76 | 3 | 0 | furanocoumarin | |
herniarin
herniarin: methoxy analog of umbelliferone; structure. herniarin : A member of the class of coumarins that is coumarin substituted by a methoxy group at position 7. | 2.07 | 1 | 0 | coumarins | fluorochrome |
aviprin
aviprin: isolated from Angelica dahurica; structure in first source | 2.07 | 1 | 0 | furanocoumarin | metabolite |
oxypeucadanin, (s)-(-)-isomer
[no description available] | 2.07 | 1 | 0 | epoxide;
furanocoumarin;
lactone | plant metabolite |
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
[no description available] | 2.08 | 1 | 0 | chromanol;
monocarboxylic acid;
phenols | antioxidant;
ferroptosis inhibitor;
neuroprotective agent;
radical scavenger;
Wnt signalling inhibitor |
xanthyletine
xanthyletine: structure | 2.07 | 1 | 0 | coumarins | |
tangeretin
tangeretin: structure given in first source; from citrus plants; inhibits invasion of MO4 mouse cells into embryonic chick heart in vitro. tangeretin : A pentamethoxyflavone flavone with methoxy groups at positions 4', 5, 6 , 7 and 8.. pentamethoxyflavone : A methoxyflavone that is flavone substituted by a five methoxy groups. | 2.05 | 1 | 0 | pentamethoxyflavone | antineoplastic agent;
plant metabolite |
isopimpinellin
isopimpinellin: from Ruta graveolens & Heracleum lanatum; structure | 2.54 | 2 | 0 | psoralens | |
isoimperatorin
isoimperatorin: tumor necrosis factor antagonist isolated from Glehniae root. isoimperatorin : A member of the class of psoralens that is psoralen substituted by a prenyloxy group at position 5. Isolated from Angelica dahurica and Angelica koreana, it acts as a acetylcholinesterase inhibitor. | 2.76 | 3 | 0 | psoralens | EC 3.1.1.7 (acetylcholinesterase) inhibitor;
metabolite |
seselin
seselin: structure in first source | 2.07 | 1 | 0 | coumarins | metabolite |
suberosin
suberosin: has anti-inflammatory activity. suberosin : A member of the class of coumarins in which the coumarin ring is substituted at positions 6 and 7 by a 3-methylbut-2-en-1-yl group and a methoxy group, respectively. A natural product found in Citropsis articulata. | 2.07 | 1 | 0 | aromatic ether;
coumarins | anticoagulant;
plant metabolite |
nobiletin
nobiletin : A methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 3' and 4' respectively. | 2.05 | 1 | 0 | methoxyflavone | antineoplastic agent;
plant metabolite |
heraclenol
heraclenol: isolated from the herb Huanghuaren | 2.07 | 1 | 0 | | |
columbianetin, (s)-isomer
(S)-columbianetin : The (S)-(+)-enantiomer of columbianetin. | 2.07 | 1 | 0 | columbianetin | |
phellopterin
phellopterin: a naturally occurring furanocoumarin found in roots of Angelica dahurica; structure in first source | 2.07 | 1 | 0 | psoralens | |
sinensetin
sinensetin: isolated from citrus fruit; exhibit antiadhesive action on platelets. sinensetin : A pentamethoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 3' and 4' respectively. | 2.05 | 1 | 0 | pentamethoxyflavone | plant metabolite |
3,3',4',5,6,7,8-heptamethoxyflavone
3,3',4',5,6,7,8-heptamethoxyflavone: has anti-inflammatory activity; isolated from citrus fruit; exhibit antiadhesive action on platelets | 2.05 | 1 | 0 | ether;
flavonoids | |
oxypeucadanin
oxypeucadanin: furanocoumarin from W. Afr. medicinal plant Clausena anisata; RN given refers to cpd without isomeric designation. oxypeucedanin : A furanocoumarin that is 7H-furo[3,2-g][1]benzopyran-7-one substituted by a [(2S)-3,3-dimethyloxiran-2-yl]methoxy group at position 4. | 2.25 | 1 | 0 | psoralens | |
a-130a
[no description available] | 2.07 | 1 | 0 | | |
marmesin
marmesin: RN given refers to (S)-isomer; nodakenetin is the (R)-isomer | 2.07 | 1 | 0 | marmesin | |
5-demethylnobiletin
5-demethylnobiletin: antineoplastic from Citrus plants; structure in first source | 2.05 | 1 | 0 | ether;
flavonoids | |
decursin
decursin: activates protein kinase C; isolated from the root of Angelica gigas; RN given for (S)-isomer; structure in first source | 2.07 | 1 | 0 | coumarins | |
decursinol
decursinol : An organic heterotricyclic compound that is 7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-2-one substituted by a beta-hydroxy group at position 7 and two methyl groups at position 8. It is isolated from the roots of Angelica gigas and has been found to possess significant inhibitory activity against acetylcholinesterase enzyme (EC 3.1.1.7). | 2.07 | 1 | 0 | cyclic ether;
delta-lactone;
organic heterotricyclic compound;
secondary alcohol | analgesic;
antineoplastic agent;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
metabolite |
heraclenin
heraclenin: from Chlamydomonas reinhardii; structure given in first source; RN given refers to (R)-isomer | 2.07 | 1 | 0 | | |
lomatin
lomatin: isolated from Lomatium nutalli and various Umbelliferae; structure in first source | 2.07 | 1 | 0 | coumarins | |
sesquiterpenes
[no description available] | 2.07 | 1 | 0 | | |
cnidilin
cnidilin: from roots of Angelica pubescens Maxim. f. biserrata Shan et Yuan; structure in first source | 2.07 | 1 | 0 | psoralens | |
aurapten
aurapten: RN refers to (E)-isomer; structure given in first source. auraptene : A member of the class of coumarins that is umbelliferone in which the phenolic hydrogen has been replaced by a geranyl group. Ii is isolated from several edible fruits and vegetables and exhibits a variety of therapeutic properties. | 2.46 | 2 | 0 | coumarins;
monoterpenoid | antihypertensive agent;
antineoplastic agent;
antioxidant;
apoptosis inducer;
dopaminergic agent;
EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor;
gamma-secretase modulator;
gastrointestinal drug;
hepatoprotective agent;
matrix metalloproteinase inhibitor;
neuroprotective agent;
plant metabolite;
PPARalpha agonist;
vulnerary |
byakangelicol
byakangelicol: RN given for (R)-isomer; structure in first source | 2.07 | 1 | 0 | psoralens | |
bergaptol
5-hydroxyfurocoumarin : A furanocoumarin which bears a hydroxy group at position 5. | 8.29 | 6 | 0 | 5-hydroxyfurocoumarin;
psoralens | |
linoleic acid
Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 2.05 | 1 | 0 | octadecadienoic acid;
omega-6 fatty acid | algal metabolite;
Daphnia galeata metabolite;
plant metabolite |
esculetin
esculetin: used in filters for absorption of ultraviolet light; structure. esculetin : A hydroxycoumarin that is umbelliferone in which the hydrogen at position 6 is substituted by a hydroxy group. It is used in filters for absorption of ultraviolet light. | 2.48 | 2 | 0 | hydroxycoumarin | antioxidant;
plant metabolite;
ultraviolet filter |
7-hydroxycoumarin
7-oxycoumarin: derivatives have anti-oxidant properties. umbelliferone : A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. | 2.07 | 1 | 0 | hydroxycoumarin | fluorescent probe;
food component;
plant metabolite |
7-demethylsuberosin
7-demethylsuberosin: fucocoumarin derivative of Angelicae dahuricae. 7-demethylsuberosin : A hydroxycoumarin that is 7-hydroxycoumarin which is substituted at position 6 by a 3-methylbut-2-en-1-yl group. A natural product found in Citropsis articulata. | 2.07 | 1 | 0 | hydroxycoumarin | plant metabolite |
8-geranyloxypsoralen
[no description available] | 2.07 | 1 | 0 | terpene lactone | |
osthenol
osthenol: structure in first source. osthenol : A hydroxycoumarin that is umbelliferone in which the hydrogen at position 8 has been replaced by a prenyl group. | 2.07 | 1 | 0 | hydroxycoumarin | antifungal agent;
plant metabolite |
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. | 1.99 | 1 | 0 | cysteinium | fundamental metabolite |
bergamottin
bergamottin: constituent of bergamot oil; structure given in first source | 2.71 | 3 | 0 | furanocoumarin | metabolite |
6',7'-dihydroxybergamottin
6',7'-dihydroxybergamottin: structure given in first source | 2.45 | 2 | 0 | psoralens | |
epoxybergamottin
epoxybergamottin: from grapefruit peel; structure in first source | 2.04 | 1 | 0 | psoralens | |
cnidicin
cnidicin: a coumarin from the root of Angelica koreana; structure in first source | 2.07 | 1 | 0 | | |
aegeline
aegeline: main alkaloid of aegle Marmelos correa leaves; structure in first source | 2.13 | 1 | 0 | methoxybenzenes | |
warfarin
Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 3 | 4 | 0 | benzenes;
hydroxycoumarin;
methyl ketone | |
gastrin-releasing peptide
Gastrin-Releasing Peptide: Neuropeptide and gut hormone that helps regulate GASTRIC ACID secretion and motor function. Once released from nerves in the antrum of the STOMACH, the neuropeptide stimulates release of GASTRIN from the GASTRIN-SECRETING CELLS. | 2.6 | 1 | 0 | | |