Substance | Relationship Strength | Studies | Trials | Classes | Roles |
1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 2.01 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.39 | 2 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
histamine [no description available] | 2.49 | 2 | 0 | aralkylamino compound; imidazoles | human metabolite; mouse metabolite; neurotransmitter |
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) | 2.01 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 1.99 | 1 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine: A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in Parkinson disease.. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine : A tetrahydropyridine that is 1,2,3,6-tetrahydropyridine substituted by a methyl group at position 1 and a phenyl group at position 4. | 2.15 | 1 | 0 | methylpyridines; phenylpyridine; tetrahydropyridine | neurotoxin |
3-methylcholanthrene Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 1.99 | 1 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist; carcinogenic agent |
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. | 2.08 | 1 | 0 | aromatic ether; nitrile; polyether; tertiary amino compound | |
fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.04 | 1 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
hexamethonium Hexamethonium: A nicotinic cholinergic antagonist often referred to as the prototypical ganglionic blocker. It is poorly absorbed from the gastrointestinal tract and does not cross the blood-brain barrier. It has been used for a variety of therapeutic purposes including hypertension but, like the other ganglionic blockers, it has been replaced by more specific drugs for most purposes, although it is widely used a research tool. | 2.07 | 1 | 0 | quaternary ammonium salt | |
isoproterenol Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 2.49 | 2 | 0 | catechols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; sympathomimetic agent |
phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 2.4 | 2 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
propidium Propidium: Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits. | 2.11 | 1 | 0 | phenanthridines; quaternary ammonium ion | fluorochrome; intercalator |
terbutaline Terbutaline: A selective beta-2 adrenergic agonist used as a bronchodilator and tocolytic.. terbutaline : A member of the class of phenylethanolamines that is catechol substituted at position 5 by a 2-(tert-butylamino)-1-hydroxyethyl group. | 2.02 | 1 | 0 | phenylethanolamines; resorcinols | anti-asthmatic drug; beta-adrenergic agonist; bronchodilator agent; EC 3.1.1.7 (acetylcholinesterase) inhibitor; hypoglycemic agent; sympathomimetic agent; tocolytic agent |
zinc chloride zinc chloride: RN given refers to parent cpd. zinc dichloride : A compound of zinc and chloride ions in the ratio 1:2. It exists in four crystalline forms, in each of which the Zn(2+) ions are trigonal planar coordinated to four chloride ions. | 1.98 | 1 | 0 | inorganic chloride; zinc molecular entity | astringent; disinfectant; EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor; Lewis acid |
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 1.99 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
methacholine chloride Methacholine Chloride: A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116) | 2.49 | 2 | 0 | quaternary ammonium salt | |
1,2-dipalmitoylphosphatidylcholine 1,2-Dipalmitoylphosphatidylcholine: Synthetic phospholipid used in liposomes and lipid bilayers to study biological membranes. It is also a major constituent of PULMONARY SURFACTANTS. | 2.13 | 1 | 0 | | |
thymol Thymol: A phenol obtained from thyme oil or other volatile oils used as a stabilizer in pharmaceutical preparations, and as an antiseptic (antibacterial or antifungal) agent.. thymol : A phenol that is a natural monoterpene derivative of cymene. | 3.41 | 1 | 0 | monoterpenoid; phenols | volatile oil component |
cyclopentane Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.05 | 1 | 0 | cycloalkane; cyclopentanes; volatile organic compound | non-polar solvent |
thymoquinone thymoquinone: constituent of cedarwood; can cause dermatitis; structure. thymoquinone : A member of the class of 1,4-benzoquinones that is 1,4-bezoquinone in which the hydrogens at positions 2 and 5 are replaced by methyl and isopropyl groups, respectively. It is a natural compound isolated from Nigella sativa which has demonstrated promising chemotherapeutic activity. | 5.22 | 5 | 0 | 1,4-benzoquinones | adjuvant; anti-inflammatory agent; antidepressant; antineoplastic agent; antioxidant; cardioprotective agent; plant metabolite |
carvacrol carvacrol : A phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). | 3.41 | 1 | 0 | botanical anti-fungal agent; p-menthane monoterpenoid; phenols | agrochemical; antimicrobial agent; flavouring agent; TRPA1 channel agonist; volatile oil component |
oleanolic acid [no description available] | 7.62 | 75 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | plant metabolite |
dihydroferulic acid dihydroferulic acid: structure in first source. dihydroferulic acid : A monocarboxylic acid that is propanoic acid in which one of the hydrogens at position 3 has been replaced by a 4-hydroxy-3-methoxyphenyl group. | 2.21 | 1 | 0 | guaiacols; monocarboxylic acid; phenylpropanoid | antioxidant; human xenobiotic metabolite; mouse metabolite; plant metabolite |
cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.39 | 2 | 0 | cadmium molecular entity; zinc group element atom | |
cadmium chloride Cadmium Chloride: A cadmium halide in the form of colorless crystals, soluble in water, methanol, and ethanol. It is used in photography, in dyeing, and calico printing, and as a solution to precipitate sulfides. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). cadmium dichloride : A cadmium coordination entity in which cadmium(2+) and Cl(-) ions are present in the ratio 2:1. Although considered to be ionic, it has considerable covalent character to its bonding. | 2.39 | 2 | 0 | cadmium coordination entity | |
rhamnose [no description available] | 2.03 | 1 | 0 | L-rhamnose | |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.05 | 1 | 0 | benzenes; phenyl acetates | |
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 |
etoposide [no description available] | 2 | 1 | 0 | beta-D-glucoside; furonaphthodioxole; organic heterotetracyclic compound | antineoplastic agent; DNA synthesis inhibitor |
colforsin Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 2.02 | 1 | 0 | acetate ester; cyclic ketone; labdane diterpenoid; organic heterotricyclic compound; tertiary alpha-hydroxy ketone; triol | adenylate cyclase agonist; anti-HIV agent; antihypertensive agent; plant metabolite; platelet aggregation inhibitor; protein kinase A agonist |
betulinic acid [no description available] | 2.05 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | anti-HIV agent; anti-inflammatory agent; antimalarial; antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; plant metabolite |
betulin betulin: isolated from various white birch bark (BETULA). betulin : A pentacyclic triterpenoid that is lupane having a double bond at position 20(29) as well as 3beta-hydroxy and 28-hydroxymethyl substituents. | 2.05 | 1 | 0 | diol; pentacyclic triterpenoid | analgesic; anti-inflammatory agent; antineoplastic agent; antiviral agent; metabolite |
pulsatilla saponin a Pulsatilla saponin A: has antineoplastic activity; isolated from Pulsatilla chinensis; structure in first source. kalopanaxsaponin A : A triterpenoid saponin that is hederagenin attached to a 2-O-(6-deoxy-alpha-L-mannopyranosyl)-alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage. It has been isolated from the stem bark of Kalopanax pictus. | 3.19 | 5 | 0 | disaccharide derivative; hydroxy monocarboxylic acid; pentacyclic triterpenoid; triterpenoid saponin | anti-inflammatory agent; plant metabolite |
hederagenin [no description available] | 3.44 | 7 | 0 | dihydroxy monocarboxylic acid; pentacyclic triterpenoid; sapogenin | plant metabolite |
arjunolic acid arjunolic acid: oleanane type; isol from Cochlospermum tinctorium (Bixaceae); structure given in first source; RN given refers to (2alpha,3beta,4alpha)-isomer; RN for cpd without isomeric designation not avail 12/89. arjunolic acid : A pentacyclic triterpenoid that is olean-12-en-28-oic acid substituted by hydroxy groups at positions 2, 3 and 23 (the 2alpha,3beta stereoisomer). Isolated from Symplocos lancifolia and Juglans sinensis, it exhibits antioxidant and antimicrobial activities. | 2.21 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | antibacterial agent; antifungal agent; antioxidant; metabolite |
beta-peltatin beta-peltatin : An organic heterotetracyclic compound that is alpha-peltatin in which the phenolic hydroxy group of the 4-hydroxy-3,5-dimethoxyphenyl substitutent had been converted into the corresponding methyl ether. | 2 | 1 | 0 | furonaphthodioxole; gamma-lactone; lignan; organic heterotetracyclic compound; phenols | antineoplastic agent; plant metabolite |
10-hydroxycamptothecin [no description available] | 2.08 | 1 | 0 | pyranoindolizinoquinoline | |
sapindoside b sapindoside B: isolated from Locinera fulvotomentosa; structure given in first source; RN given refers to (3beta,4alpha)-isomer; RN for cpd without isomer designation not avail 12/89 | 2.38 | 2 | 0 | | |
cussonoside a cussonoside A: triterpene saponin from Cussonia barteri (Araliaceae) with sedative effect; | 2.21 | 1 | 0 | | |
atropine tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3. | 2.07 | 1 | 0 | | |
arabinose [no description available] | 2.03 | 1 | 0 | L-arabinose | Escherichia coli metabolite; mouse metabolite |
3-o-(alpha-l-arabinopyranosyl)hederagenin Akebia saponin PA: isolated from Dipsacus asperoides; structure in first source. hederagenin 3-O-arabinoside : A triterpenoid saponin that is hederagenin attached to an alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage. | 2.5 | 2 | 0 | alpha-L-arabinopyranoside; hydroxy monocarboxylic acid; monosaccharide derivative; pentacyclic triterpenoid; triterpenoid saponin | plant metabolite |
l 743,872 [no description available] | 2.1 | 1 | 0 | | |
glycosides [no description available] | 2.42 | 2 | 0 | | |
mercaptopurine Mercaptopurine: An antimetabolite antineoplastic agent with immunosuppressant properties. It interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia.. purine-6-thiol : A thiol that is the tautomer of mercaptopurine.. mercaptopurine : A member of the class of purines that is 6,7-dihydro-1H-purine carrying a thione group at position 6. An adenine analogue, it is used in the treatment of acute lymphocytic leukemia (ALL), chronic myeloid leukemia (CML), Crohn's disease, and ulcerative colitis. | 2 | 1 | 0 | aryl thiol; purines; thiocarbonyl compound | anticoronaviral agent; antimetabolite; antineoplastic agent |
1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.02 | 1 | 0 | | |
cytellin cytellin: a phytosterol preparation of mainly B-sitosterol, that was marketed by Eli Lilly to lower cholesterol 1957 to 1982 | 2.02 | 1 | 0 | | |
ovalbumin Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 2.81 | 3 | 0 | | |
fluticasone Fluticasone: A STEROID with GLUCOCORTICOID RECEPTOR activity that is used to manage the symptoms of ASTHMA; ALLERGIC RHINITIS, and ATOPIC DERMATITIS.. fluticasone : A trifluorinated corticosteroid used in the form of its propionate ester for treatment of allergic rhinitis. | 2.11 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 3-oxo-Delta(4) steroid; corticosteroid; fluorinated steroid; thioester | anti-allergic agent; anti-asthmatic drug |
selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 1.98 | 1 | 0 | chalcogen; nonmetal atom | micronutrient |
beta-escin [no description available] | 7.6 | 73 | 0 | | |
alpha-synuclein alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 2.15 | 1 | 0 | | |
kalopanax saponin b kalopanax saponin B: isolated from Kalopanax septemlobus; structure given in first source. kalopanaxsaponin B : A triterpenoid saponin with hederagenin as the aglycone part. It has been isolated from the stem bark of Kalopanax pictus. | 3.55 | 8 | 0 | carboxylic ester; pentacyclic triterpenoid; triterpenoid saponin | anti-inflammatory agent; plant metabolite |
pulsatilla saponin d [no description available] | 2.74 | 3 | 0 | triterpenoid | metabolite |
(-)-pinoresinol (-)-pinoresinol : An enantiomer of pinoresinol having (-)-1R,3aS,4R,6aS-configuration. | 2 | 1 | 0 | pinoresinol | plant metabolite |
lyoniside lyoniside: see also eleutherosides & syringin for eleutheroside B: 118-34-3; RN given refers to (3beta)-isomer | 2.02 | 1 | 0 | | |
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. | 2.79 | 3 | 0 | | |
sapogenins Sapogenins: The aglucon moiety of a saponin molecule. It may be triterpenoid or steroid, usually spirostan, in nature. | 2.05 | 1 | 0 | | |
dipsacoside b dipsacoside B: from flowers of Lonicera macranthoides Hand | 2.21 | 1 | 0 | | |
cauloside D [no description available] | 2.21 | 1 | 0 | carboxylic ester; pentacyclic triterpenoid; triterpenoid saponin | anti-inflammatory agent; plant metabolite |
chitosan [no description available] | 2.11 | 1 | 0 | | |
methyl jasmonate [no description available] | 2.05 | 1 | 0 | | |
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. | 1.99 | 1 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
macranthoidin b [no description available] | 2.21 | 1 | 0 | | |
cyclin d1 Cyclin D1: Protein encoded by the bcl-1 gene which plays a critical role in regulating the cell cycle. Overexpression of cyclin D1 is the result of bcl-1 rearrangement, a t(11;14) translocation, and is implicated in various neoplasms. | 2.21 | 1 | 0 | | |
fulvotomentoside a fulvotomentoside A: isolated from Lonicera fulvotomentosa; structure given in first source | 1.97 | 1 | 0 | | |
metallothionein Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 3.09 | 5 | 0 | | |