Substance | Relationship Strength | Studies | Trials | Classes | Roles |
4-hydroxybenzoic acid 4-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring. | 1.99 | 1 | 0 | monohydroxybenzoic acid | algal metabolite; plant metabolite |
benzoic acid Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 1.99 | 1 | 0 | benzoic acids | algal metabolite; antimicrobial food preservative; drug allergen; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; human xenobiotic metabolite; plant metabolite |
carbamates [no description available] | 2.06 | 1 | 0 | amino-acid anion | |
choline [no description available] | 1.99 | 1 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.05 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
3-chlorobenzoic acid [no description available] | 1.99 | 1 | 0 | monochlorobenzoic acid | drug 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. | 1.99 | 1 | 0 | dibenzofurans; mancude organic heterotricyclic parent; polycyclic heteroarene | xenobiotic |
imidazole imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. | 3.12 | 5 | 0 | imidazole | |
4-aminobenzoic acid 4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group. | 1.99 | 1 | 0 | aminobenzoic acid; aromatic amino-acid zwitterion | allergen; Escherichia coli metabolite; plant metabolite |
bw 284 c 51 [no description available] | 1.99 | 1 | 0 | | |
1-methylimidazole 1-methyl-1H-imidazole : A 1H-imidazole having a methyl substituent at the N-1 position. | 2.68 | 3 | 0 | imidazoles | |
2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine 2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine: mutagen from fried ground beef; structure given in first source. PhIP : An imidazopyridine that is 1H--imidazo[4,5-b]pyridine which is substituted at positions 1, 2, and 6 by methyl, amino, and phenyl groups, respectively. It is the most abundant of the mutagenic heterocyclic amines found in cooked meat and fish. | 2.1 | 1 | 0 | imidazopyridine; primary amino compound | carcinogenic agent; mutagen |
tacrine Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.. tacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. | 1.99 | 1 | 0 | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
2-aminothiazole 2-aminothiazole: RN given refers to parent cpd; structure. 1,3-thiazol-2-amine : A primary amino compound that is 1,3-thiazole substituted by an amino group at position 2. | 2.11 | 1 | 0 | 1,3-thiazoles; primary amino compound | |
clonidine Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.. clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group. | 1.97 | 1 | 0 | clonidine; imidazoline | |
guanidine Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 3.13 | 5 | 0 | carboxamidine; guanidines; one-carbon compound | |
pentamidine Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects.. pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. | 1.99 | 1 | 0 | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
corticosterone [no description available] | 1.99 | 1 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
prednisolone Prednisolone: A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.. prednisolone : A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | 1.99 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antineoplastic agent; drug metabolite; environmental contaminant; immunosuppressive agent; xenobiotic |
estriol hormonin: estrogen replacement; each tablet contains 600 ug micronized 17beta-estradiol, 270 ug estriol and 1.4 mg estrone. chlorapatite : A phosphate mineral with the formula Ca5(PO4)3Cl. | 1.99 | 1 | 0 | 16alpha-hydroxy steroid; 17beta-hydroxy steroid; 3-hydroxy steroid | estrogen; human metabolite; human xenobiotic metabolite; mouse metabolite |
aldosterone [no description available] | 1.99 | 1 | 0 | 11beta-hydroxy steroid; 18-oxo steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid hormone; mineralocorticoid; primary alpha-hydroxy ketone; steroid aldehyde | human metabolite; mouse metabolite |
estrone Hydroxyestrones: Estrone derivatives substituted with one or more hydroxyl groups in any position. They are important metabolites of estrone and other estrogens. | 1.99 | 1 | 0 | 17-oxo steroid; 3-hydroxy steroid; phenolic steroid; phenols | antineoplastic agent; bone density conservation agent; estrogen; human metabolite; mouse metabolite |
androsterone [no description available] | 1.99 | 1 | 0 | 17-oxo steroid; 3alpha-hydroxy steroid; androstanoid; C19-steroid | androgen; anticonvulsant; human blood serum metabolite; human metabolite; human urinary metabolite; mouse metabolite; pheromone |
etiocholanolone Etiocholanolone: The 5-beta-reduced isomer of ANDROSTERONE. Etiocholanolone is a major metabolite of TESTOSTERONE and ANDROSTENEDIONE in many mammalian species including humans. It is excreted in the URINE.. 3alpha-hydroxy-5beta-androstan-17-one : An androstanoid that is 5beta-androstane substituted by an alpha-hydroxy group at position 3 and an oxo group at position 17. It is a metabolite of testosterone in mammals. | 1.99 | 1 | 0 | 17-oxo steroid; 3alpha-hydroxy steroid; androstanoid | human metabolite; mouse metabolite |
dehydroepiandrosterone Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 1.99 | 1 | 0 | 17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid | androgen; human metabolite; mouse metabolite |
physostigmine Physostigmine: A cholinesterase inhibitor that is rapidly absorbed through membranes. It can be applied topically to the conjunctiva. It also can cross the blood-brain barrier and is used when central nervous system effects are desired, as in the treatment of severe anticholinergic toxicity. | 1.99 | 1 | 0 | carbamate ester; indole alkaloid | antidote to curare poisoning; EC 3.1.1.8 (cholinesterase) inhibitor; miotic |
4-nitrobenzoic acid 4-nitrobenzoic acid: RN given refers to parent cpd. 4-nitrobenzoic acid : A nitrobenzoic acid having the nitro group at the 4-position. | 1.99 | 1 | 0 | nitrobenzoic acid | |
androstenedione Androstenedione: A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as well as ESTRONE and ESTRADIOL.. androst-4-ene-3,17-dione : A 3-oxo Delta(4)-steroid that is androst-4-ene substituted by oxo groups at positions 3 and 17. It is a steroid hormone synthesized in the adrenal glands and gonads. | 1.99 | 1 | 0 | 17-oxo steroid; 3-oxo-Delta(4) steroid; androstanoid | androgen; Daphnia magna metabolite; human metabolite; mouse metabolite |
desoxycorticosterone Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE | 1.99 | 1 | 0 | 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; mineralocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
oxacillin Oxacillin: An antibiotic similar to FLUCLOXACILLIN used in resistant staphylococci infections.. oxacillin : A penicillin antibiotic carrying a 5-methyl-3-phenylisoxazole-4-carboxamide group at position 6beta. | 2.06 | 1 | 0 | penicillin | antibacterial agent; antibacterial drug |
17-alpha-hydroxyprogesterone 17alpha-hydroxyprogesterone : A 17alpha-hydroxy steroid that is the 17alpha-hydroxy derivative of progesterone. | 1.99 | 1 | 0 | 17alpha-hydroxy-C21-steroid; 17alpha-hydroxy steroid; tertiary alpha-hydroxy ketone | human metabolite; metabolite; mouse metabolite; progestin |
4-chlorobenzoic acid 4-chlorobenzoic acid: RN given refers to parent cpd. 4-chlorobenzoic acid : A monochlorobenzoic acid carrying a chloro substituent at position 4. | 1.99 | 1 | 0 | monochlorobenzoic acid | bacterial xenobiotic metabolite |
penicillin v Penicillin V: A broad-spectrum penicillin antibiotic used orally in the treatment of mild to moderate infections by susceptible gram-positive organisms.. phenoxymethylpenicillin : A penicillin compound having a 6beta-(phenoxyacetyl)amino side-chain. | 2.15 | 1 | 0 | penicillin allergen; penicillin | |
quinoxalines quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.17 | 1 | 0 | mancude organic heterobicyclic parent; naphthyridine; ortho-fused heteroarene | |
quinoline [no description available] | 7.1 | 1 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinolines | |
4-tert-butylbenzoic acid 4-tert-butylbenzoic acid: RN given refers to parent cpd | 1.99 | 1 | 0 | alkylbenzene | |
3-toluic acid 3-toluic acid: RN given refers to parent cpd; structure | 1.99 | 1 | 0 | methylbenzoic acid | human xenobiotic metabolite |
3-aminobenzoic acid 3-aminobenzoic acid: RN given refers to parent cpd. 3-aminobenzoic acid : An aminobenzoic acid carrying an amino group at position 3. | 1.99 | 1 | 0 | aminobenzoic acid | |
3-hydroxybenzoic acid 3-hydroxybenzoic acid: RN given refers to parent cpd. 3-hydroxybenzoic acid : A monohydroxybenzoic acid that is benzoic acid substituted by a hydroxy group at position 3. It has been isolated from Taxus baccata. It is used as an intermediate in the synthesis of plasticisers, resins, pharmaceuticals, etc. | 1.99 | 1 | 0 | monohydroxybenzoic acid | bacterial metabolite; plant metabolite |
4-toluic acid 4-toluic acid: RN given refers to parent cpd; structure. p-toluic acid : A methylbenzoic acid in which the methyl substituent is located at position 4. | 1.99 | 1 | 0 | methylbenzoic acid | |
4-anisic acid 4-methoxybenzoic acid: structure in first source. 4-methoxybenzoic acid : A methoxybenzoic acid substituted with a methoxy group at position C-4. | 1.99 | 1 | 0 | methoxybenzoic acid | plant metabolite |
2-aminopyrimidine pyrimidin-2-amine : An aminopyrimidine carrying an amino group at position 2.. aminopyrimidine : A member of the class of pyrimidines that is pyrimidine substituted by at least one amino group and its derivatives. | 2.06 | 1 | 0 | aminopyrimidine | |
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. | 3.85 | 11 | 0 | pyrrole; secondary amine | |
neostigmine bromide neostigmine bromide : The bromide salt of neostigmine. | 1.99 | 1 | 0 | bromide salt | |
3-nitrobenzoic acid 3-nitrobenzoic acid: RN given refers to parent cpd | 1.99 | 1 | 0 | | |
pregnenolone [no description available] | 1.99 | 1 | 0 | 20-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; C21-steroid | human metabolite; mouse metabolite |
oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 2.11 | 1 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazoles [no description available] | 2.49 | 2 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 7.04 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
hydrazine diamine : Any polyamine that contains two amino groups. | 2.44 | 2 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
edrophonium bromide [no description available] | 1.99 | 1 | 0 | | |
nandrolone Nandrolone: C18 steroid with androgenic and anabolic properties. It is generally prepared from alkyl ethers of ESTRADIOL to resemble TESTOSTERONE but less one carbon at the 19 position.. nandrolone : A 3-oxo Delta(4)-steroid that is estr-4-en-3-one substituted by a beta-hydroxy group at position 17. | 1.99 | 1 | 0 | 17beta-hydroxy steroid; 3-oxo-Delta(4) steroid; anabolic androgenic steroid | human metabolite |
4-(trifluoromethyl)benzoic acid 4-trifluoromethylbenzoic acid : A benzoic acid carrying a 4-trifluoromethyl substituent. | 1.99 | 1 | 0 | (trifluoromethyl)benzenes; benzoic acids | |
3-fluorobenzoic acid [no description available] | 1.99 | 1 | 0 | fluorobenzoic acid | |
4-fluorobenzoic acid [no description available] | 1.99 | 1 | 0 | fluorobenzoic acid | bacterial xenobiotic metabolite |
hydantoins Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.1 | 1 | 0 | imidazolidine-2,4-dione | |
alpha-aminopyridine alpha-aminopyridine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #485. aminopyridine : Compounds containing a pyridine skeleton substituted by one or more amine groups. | 2.1 | 1 | 0 | | |
androstenediol Androstenediol: An intermediate in TESTOSTERONE biosynthesis, found in the TESTIS or the ADRENAL GLANDS. Androstenediol, derived from DEHYDROEPIANDROSTERONE by the reduction of the 17-keto group (17-HYDROXYSTEROID DEHYDROGENASES), is converted to TESTOSTERONE by the oxidation of the 3-beta hydroxyl group to a 3-keto group (3-HYDROXYSTEROID DEHYDROGENASES).. androst-5-ene-3beta,17beta-diol : A 3beta-hydroxy-Delta(5)-steroid that is 3beta-hydroxyandrost-5-ene carrying an additional hydroxy group at position 17beta. | 1.99 | 1 | 0 | 17beta-hydroxy steroid; 3beta-hydroxy-Delta(5)-steroid | androgen; human metabolite; mouse metabolite; radiation protective agent |
dihydrotestosterone Dihydrotestosterone: A potent androgenic metabolite of TESTOSTERONE. It is produced by the action of the enzyme 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE.. 17beta-hydroxyandrostan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4-5 double bond has been reduced to a single bond with unspecified configuration at position 5.. 17beta-hydroxy-5alpha-androstan-3-one : A 17beta-hydroxy steroid that is testosterone in which the 4,5 double bond has been reduced to a single bond with alpha-configuration at position 5. | 1.99 | 1 | 0 | 17beta-hydroxy steroid; 17beta-hydroxyandrostan-3-one; 3-oxo-5alpha-steroid | androgen; Daphnia magna metabolite; human metabolite; mouse metabolite |
azomycin azomycin: RN given refers to parent cpd with specified locant; structure | 2.68 | 3 | 0 | C-nitro compound; imidazoles | antitubercular agent |
gentian violet Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.. crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. | 2.06 | 1 | 0 | organic chloride salt | anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; histological dye |
3-methoxybenzoic acid [no description available] | 1.99 | 1 | 0 | methoxybenzoic acid | flavouring agent; human urinary metabolite |
4-bromobenzoic acid 4-bromobenzoic acid : A bromobenzoic acid carrying a single bromo subsituent at the 4-position. | 1.99 | 1 | 0 | bromobenzoic acid | |
algestone Algestone: A synthetic progestational dihydroxy derivative of PROGESTERONE. Its acetonide possesses anti-inflammatory properties.. algestone : A C21-steroid that is pregn-4-ene substituted by oxo groups at position 3 and 20 and hydroxy groups at positions 16 and 17. | 1.99 | 1 | 0 | 16alpha-hydroxy steroid; 17-hydroxy steroid; 20-oxo steroid; 3-oxo-Delta(4) steroid; C21-steroid; tertiary alpha-hydroxy ketone | progestin |
3-iodobenzoate 3-iodobenzoic acid: RN given refers to unlabeled parent cpd. 3-iodobenzoic acid : An iodobenzoic acid with a single iodo substituent placed at the 3-position. | 1.99 | 1 | 0 | iodobenzoic acid | |
4-ethylbenzoic acid [no description available] | 1.99 | 1 | 0 | benzoic acids | |
4-cyanobenzoic acid [no description available] | 1.99 | 1 | 0 | | |
2-pyrrolecarboxylic acid 2-pyrrolecarboxylic acid: hypocalcemic action; structure. pyrrole-2-carboxylic acid : A pyrrolecarboxylic acid that is 1H-pyrrole carrying a carboxy substituent at position 2. | 2.02 | 1 | 0 | pyrrolecarboxylic acid | plant metabolite |
2-methylimidazole [no description available] | 2.91 | 4 | 0 | | |
4-methylimidazole 4-methylimidazole: RN given refers to parent cpd. 4-methylimidazole : Imidazole substituted at position 4 by a methyl group. | 2.05 | 1 | 0 | imidazoles | carcinogenic agent; reaction intermediate |
2-aminobenzimidazole 2-aminobenzimidazole: metabolite of benomyl; RN given refers to parent cpd. 2-aminobenzimidazole : A member of the class of benzimidazoles that is benzimidazole in which the hydrogen at position 2 is replaced by an amino group. | 2.5 | 2 | 0 | benzimidazoles | marine xenobiotic metabolite |
chlormequat Chlormequat: A plant growth regulator that is commonly used on ornamental plants.. chlormequat : A quaternary ammonium ion that is choline in which the hydroxy group has been replaced by a chlorine. Its salts (particularly the chloride salt, known as chlormequat chloride) are used as plant growth retardants. | 1.99 | 1 | 0 | quaternary ammonium ion | plant growth retardant |
vancomycin Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile. | 2.15 | 1 | 0 | glycopeptide | antibacterial drug; antimicrobial agent; bacterial metabolite |
3-hydroxyphenyltrimethylammonium 3-hydroxyphenyltrimethylammonium: RN given refers to parent cpd; structure | 1.99 | 1 | 0 | | |
1-methyl-2-nitroimidazole [no description available] | 2.68 | 3 | 0 | | |
2,3,7,8-tetrachlorodibenzodioxine Tetrachlorodibenzodioxin: A mixture of isomers. | 1.99 | 1 | 0 | polychlorinated dibenzodioxine | |
2,4,2',4'-tetrachlorobiphenyl 2,4,2',4'-tetrachlorobiphenyl: structure. 2,2',4,4'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which each of the phenyl groups is substituted at positions 2 and 4 by chlorines. | 1.99 | 1 | 0 | dichlorobenzene; tetrachlorobiphenyl | |
butyrylcholine butyrylcholine: RN given refers to parent cpd | 1.99 | 1 | 0 | acylcholine | |
octachlorodibenzo-4-dioxin octachlorodibenzo-4-dioxin: RN given refers to unlabeled parent cpd | 1.99 | 1 | 0 | polychlorinated dibenzodioxine | |
butyrylthiocholine Butyrylthiocholine: A sulfur-containing analog of butyrylcholine which is hydrolyzed by butyrylcholinesterase to butyrate and thiocholine. It is used as a reagent in the determination of butyrylcholinesterase activity.. butyrylthiocholine : A quaternary ammonium ion obtained by the formal condensation of the carboxy group of butyric acid with the thiol group of thiocholine. It is used as a reagent for determination of butyrylcholinesterase activity. | 1.99 | 1 | 0 | quaternary ammonium ion | |
carbenicillin Carbenicillin: Broad-spectrum semisynthetic penicillin derivative used parenterally. It is susceptible to gastric juice and penicillinase and may damage platelet function.. carbenicillin : A penicillin antibiotic having a 6beta-2-carboxy-2-phenylacetamido side-chain. | 2.15 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
st 91 ST 91: RN given refers to parent cpd; structure | 1.97 | 1 | 0 | substituted aniline | |
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. | 2.1 | 1 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
2-chlorodibenzofuran 2-chlorodibenzofuran: structure | 1.99 | 1 | 0 | | |
1,2,3,4-tetrachlorodibenzodioxin 1,2,3,4-tetrachlorodibenzodioxin: structure given in first source | 1.99 | 1 | 0 | polychlorinated dibenzodioxine | |
pcb 118 [no description available] | 1.99 | 1 | 0 | dichlorobenzene; pentachlorobiphenyl; trichlorobenzene | |
3,4,3',4'-tetrachlorobiphenyl 3,4,3',4'-tetrachlorobiphenyl: RN given refers to parent cpd. 3,3',4,4'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which the hydrogens at position 3 and 4 on each phenyl group are replaced by chlorines. | 1.99 | 1 | 0 | dichlorobenzene; tetrachlorobiphenyl | |
2,3,3',4,4'-pentachlorobiphenyl [no description available] | 1.99 | 1 | 0 | dichlorobenzene; pentachlorobiphenyl; trichlorobenzene | |
tobramycin Tobramycin: An aminoglycoside, broad-spectrum antibiotic produced by Streptomyces tenebrarius. It is effective against gram-negative bacteria, especially the PSEUDOMONAS species. It is a 10% component of the antibiotic complex, NEBRAMYCIN, produced by the same species.. tobramycin : A amino cyclitol glycoside that is kanamycin B lacking the 3-hydroxy substituent from the 2,6-diaminoglucose ring. | 2.05 | 1 | 0 | amino cyclitol glycoside | antibacterial agent; antimicrobial agent; toxin |
2,3,4,5-tetrachlorobiphenyl tetrachlorobiphenyl : Any polychlorobiphenyl with molecular formula C12H6Cl4. | 1.99 | 1 | 0 | tetrachlorobenzene; tetrachlorobiphenyl | |
1,2,7,8-tetrachlorodibenzo-p-dioxin 1,2,7,8-tetrachlorodibenzo-p-dioxin: structure in first source | 1.99 | 1 | 0 | | |
2,4,5,2',4',5'-hexachlorobiphenyl [no description available] | 1.99 | 1 | 0 | hexachlorobiphenyl | |
thiocholine Thiocholine: A mercaptocholine used as a reagent for the determination of CHOLINESTERASES. It also serves as a highly selective nerve stain. | 1.99 | 1 | 0 | | |
2,3,3',4,4',5-hexachlorobiphenyl [no description available] | 1.99 | 1 | 0 | dichlorobenzene; hexachlorobiphenyl; tetrachlorobenzene | |
2,8-dichlorodibenzo-4-dioxin 2,8-dichlorodibenzo-4-dioxin: metabolite for 2,3,7,8-TCDD | 1.99 | 1 | 0 | | |
1,2,3,4,7,8-hexachlorodibenzodioxin 1,2,3,4,7,8-hexachlorodibenzodioxin: structure given in first source | 1.99 | 1 | 0 | polychlorinated dibenzodioxine | |
1,2,4-trichlorodibenzo-1,4-dioxin 1,2,4-trichlorodibenzo-1,4-dioxin: structure given in first source | 1.99 | 1 | 0 | | |
1,2,3,7,8-pentachlorodibenzo-p-dioxin [no description available] | 1.99 | 1 | 0 | polychlorinated dibenzodioxine | |
2,3,7,8-tetrabromodibenzo-4-dioxin 2,3,7,8-tetrabromodibenzo-4-dioxin: structure given in first source. 2,3,7,8-tetrabromodibenzodioxine : An organobromine compound that is dibenzodioxine carrying four bromo substituents at positions 2, 3, 7 and 8. | 1.99 | 1 | 0 | dibenzodioxine; organobromine compound | |
2,3,7,8-tetrachlorodibenzofuran 2,3,7,8-tetrachlorodibenzofuran: toxic product which was generated in Italy due to an explosion in a plant manufacturing 2,4,5-trichlorophenol | 1.99 | 1 | 0 | polychlorinated dibenzofuran | |
2,3,4,7,8-pentachlorodibenzofuran 2,3,4,7,8-pentachlorodibenzofuran: structure given in first source | 1.99 | 1 | 0 | polychlorinated dibenzofuran | |
1,2,3,7,8-pentachlorodibenzofuran 1,2,3,7,8-pentachlorodibenzofuran: structure given in first source; RN given refers to parent cpd | 1.99 | 1 | 0 | polychlorinated dibenzofuran | |
1,2,3,4,7,8-hexachlorodibenzofuran [no description available] | 1.99 | 1 | 0 | polychlorinated dibenzofuran | |
2,3,4,4'5-pentachlorobiphenyl [no description available] | 1.99 | 1 | 0 | monochlorobenzenes; pentachlorobiphenyl; tetrachlorobenzene | |
1,3-di-(4-imidazolino-2-methoxyphenoxy)propane 1,3-di-(4-imidazolino-2-methoxyphenoxy)propane: structure given in first source | 1.99 | 1 | 0 | | |
3,4,5,3',4'-pentachlorobiphenyl 3,3',4,4',5-pentachlorobiphenyl : A pentachlorobiphenyl in which the chlorines are located at the 3, 4, 5, 3', and 4' positions. | 1.99 | 1 | 0 | pentachlorobiphenyl; trichlorobenzene | |
propamidine propamidine: structure given in first source. propamidine : A polyether that is the bis(4-guanidinophenyl) ether of propane-1,3-diol. Used (as its isethionate salt) for the treatment of minor eye or eyelid infections, such as conjunctivitis and blepharitis. | 1.99 | 1 | 0 | aromatic ether; guanidines; polyether | antimicrobial agent; antiseptic drug |
norharman norharman: RN given refers to parent cpd. beta-carboline : The parent compound of the beta-carbolines, a tricyclic structure comprising an indole ring system ortho- fused to C-3 and C-4 of a pyridine ring. | 2.39 | 2 | 0 | beta-carbolines; mancude organic heterotricyclic parent | fungal metabolite; marine metabolite |
thiazolyl blue thiazolyl blue: RN & II refers to bromide. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide : The bromide salt of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium. | 2.07 | 1 | 0 | organic bromide salt | colorimetric reagent; dye |
hexamidine hexamidine : A polyether that is the bis(4-guanidinophenyl) ether of hexane-1,6-diol. | 1.99 | 1 | 0 | aromatic ether; guanidines; polyether | antimicrobial agent; antiseptic drug |
2-ethylimidazole [no description available] | 2.68 | 3 | 0 | | |
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 3.45 | 7 | 0 | 1,2,3-triazole | |
4-(fluorosulfonyl)benzoic acid [no description available] | 1.99 | 1 | 0 | | |
2-phenylimidazole [no description available] | 2.68 | 3 | 0 | | |
2-(2-methyl-4-chlorophenylamino)-2-imidazoline 2-(2-methyl-4-chlorophenylamino)-2-imidazoline: RN given refers to parent cpd; structure in first source | 1.97 | 1 | 0 | | |
xylonidine xylonidine: alpha adrenoreceptor stimulation by above cpd mainly inhibits the release of mediator and/or the bronchoconstriction caused by moderate activation of sensory nerves; forced molting agent; structure given in first source | 1.97 | 1 | 0 | | |
4-diazoquinone 4-diazoquinone: structure given in first source | 1.97 | 1 | 0 | | |
4-(methylthio)benzoic acid [no description available] | 1.99 | 1 | 0 | | |
hexyltrimethylammonium hexyltrimethylammonium: RN given refers to parent cpd | 1.99 | 1 | 0 | | |
trimethyl(4-oxopentyl)ammonium trimethyl(4-oxopentyl)ammonium: RN given refers to parent cpd; acetylcholine antag. N,N,N-trimethyl-N-(4-oxopentyl)ammonium : A quaternary ammonium ion in which the substituents on nitrogen are methyl (three) and 4-oxopentyl. | 1.99 | 1 | 0 | quaternary ammonium ion | |
17-alpha-hydroxypregnenolone 17-alpha-Hydroxypregnenolone: A 21-carbon steroid that is converted from PREGNENOLONE by STEROID 17-ALPHA-HYDROXYLASE. It is an intermediate in the delta-5 pathway of biosynthesis of GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.. 17alpha-hydroxypregnenolone : A hydroxypregnenolone carrying an alpha-hydroxy group at position 17. | 1.99 | 1 | 0 | 17alpha-hydroxy-C21-steroid; 17alpha-hydroxy steroid; 3beta-hydroxy-Delta(5)-steroid; hydroxypregnenolone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
11-ketoprogesterone 11-ketoprogesterone: structure | 1.99 | 1 | 0 | corticosteroid hormone | |
4-mercaptobenzoate 4-mercaptobenzoate: substrate for 4-hydroxybenzoate hydroxylase | 1.99 | 1 | 0 | | |
combretastatin combretastatin: cytotoxic principle from South African tree COMBRETUM caffrum; structure given in first source; acts at COLCHICINE site of TUBULIN | 7.13 | 1 | 0 | | |
2,5-dihydro-2-(4-methoxyphenyl)-3h-pyrazolo(4,3-c)quinolin-3-one [no description available] | 2.39 | 2 | 0 | | |
2 alpha-methyl-9 alpha-fluorocortisol [no description available] | 1.99 | 1 | 0 | | |
beta-carboline-3-carboxylic acid ethyl ester beta-carboline-3-carboxylic acid ethyl ester: isolated from brain tissue & urine; extremely potent displacer of diazepam from brain benzodiazepam receptors; structure in first source | 2.39 | 2 | 0 | beta-carbolines | |
beta-carboline-3-carboxylic acid methyl ester beta-carboline-3-carboxylic acid methyl ester: structure given in first source | 2.39 | 2 | 0 | beta-carbolines | |
1,3-di(4-imidazolinophenoxyl)propane 1,3-di(4-imidazolinophenoxyl)propane: structure given in first source | 1.99 | 1 | 0 | | |
3-ethoxy-beta-carboline 3-ethoxy-beta-carboline: high affinity benzodiazepine receptor ligand with partial inverse agonist properties | 2.39 | 2 | 0 | | |
tert-butyl beta-carboline-3-carboxylate tert-butyl beta-carboline-3-carboxylate: benzodiazepine receptor antagonist | 2.39 | 2 | 0 | | |
r 79882 R 79882: a non-nucleoside inhibitor of HIV-1 reverse transcriptase; structure given in first source | 1.99 | 1 | 0 | | |
butamidine butamidine: RN refers to HCl; structure in first source | 1.99 | 1 | 0 | | |
beta-lactams 2-azetidinone: structure in first source. azetidin-2-one : An unsubstituted beta-lactam compound.. beta-lactam : A lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. | 3.03 | 4 | 0 | beta-lactam antibiotic allergen; beta-lactam | |
proline Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2. | 2.02 | 1 | 0 | amino acid zwitterion; glutamine family amino acid; L-alpha-amino acid; proline; proteinogenic amino acid | algal metabolite; compatible osmolytes; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
cortisone [no description available] | 1.99 | 1 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
19-norprogesterone 19-norprogesterone: RN given refers to cpd without isomeric designation | 1.99 | 1 | 0 | corticosteroid hormone | |
5 alpha-androstane-3 beta,17 beta-diol 5alpha-androstane-3beta,17beta-diol : An androstane-3,17-diol that is 5alpha-androstane substituted by beta-hydroxy groups at positions 3 and 17. It is a metabolite of dihydrotestosterone. | 1.99 | 1 | 0 | 17beta-hydroxy steroid; 3beta-hydroxy steroid; androstane-3,17-diol | Daphnia magna metabolite; human metabolite |
bradykinin [no description available] | 2 | 1 | 0 | oligopeptide | human blood serum metabolite; vasodilator agent |
cortodoxone Cortodoxone: 17,21-Dihydroxypregn-4-ene-3,20-dione. A 17-hydroxycorticosteroid with glucocorticoid and anti-inflammatory activities.. 11-deoxycortisol : A deoxycortisol that is cortisol in which the hydroxy group at position 11 has been replaced by a hydrogen. | 1.99 | 1 | 0 | deoxycortisol; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | human metabolite; mouse metabolite |
3-chlorodibenzofuran 3-chlorodibenzofuran: structure given in first source | 1.99 | 1 | 0 | | |
2-aminooxazole 2-aminooxazole: structure in first source | 2.11 | 1 | 0 | | |
thiohydantoins Thiohydantoins: Sulfur analogs of hydantoins with one or both carbonyl groups replaced by thiocarbonyl groups. | 3.16 | 1 | 0 | | |
r 82150 R 82150: structure given in first source; inhibits HIV-1 replication | 1.99 | 1 | 0 | | |
r 86183 [no description available] | 1.99 | 1 | 0 | | |
1-(4-hydroxybenzyl)imidazole-2-thiol 1-(4-hydroxybenzyl)imidazole-2-thiol: RN & structure given in first source; RN not in Chemline 3/87 | 1.99 | 1 | 0 | | |
sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 2.15 | 1 | 0 | organic sodium salt | detergent; protein denaturant |
3-propoxy-beta-carboline 3-propoxy-beta-carboline: structure in first source | 2.39 | 2 | 0 | | |
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. | 2.39 | 2 | 0 | harmala alkaloid; indole alkaloid fundamental parent; indole alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
1-Ethyl-9H-pyrido[3,4-b]indole [no description available] | 2.39 | 2 | 0 | harmala alkaloid | |
oroidin oroidin: from marine sponges of the genus Agelas; structure in first source | 8.15 | 5 | 0 | pyrroles; secondary carboxamide | metabolite |
ageladine a Ageladine A: an antiangiogenic matrixmetalloproteinase inhibitor from the marine sponge Agelas nakamurai; structure in first source. ageladine A : An imidazopyridine that is 1H-imidazo[4,5-c]pyridin-2-amine substituted by a 4,5-dibromo-1H-pyrrol-2-yl group at position 4. It is an alkaloid isolated from a marine sponge Agelas nakamurai and acts as an inhibitor of the matrix metalloproteinases, the key enzymes involved in tumour growth, migration, angiogenesis, invasion and metastasis. | 2.49 | 2 | 0 | alkaloid; aromatic amine; imidazopyridine; organobromine compound; pyrroles | angiogenesis inhibitor; antineoplastic agent; matrix metalloproteinase inhibitor; metabolite |
sk&f 102698 [no description available] | 1.99 | 1 | 0 | | |
ageliferin ageliferin: structure in first source | 2.1 | 1 | 0 | | |
scopolamine hydrobromide [no description available] | 2.21 | 1 | 0 | | |
colistin Colistin: Cyclic polypeptide antibiotic from Bacillus colistinus. It is composed of Polymyxins E1 and E2 (or Colistins A, B, and C) which act as detergents on cell membranes. Colistin is less toxic than Polymyxin B, but otherwise similar; the methanesulfonate is used orally.. colistin : A multi-component mixture comprising mostly of colistin A (R = Me) and B (R = H), with small amounts of colistin C and other polymyxins, produced by certain strains of Bacillus polymyxa var. colistinus. An antibiotic, it is used as its sulfate salt (for oral or topical use) or as the sodium salt of the N-methylsulfonic acid derivative (the injectable form) in the treatment of severe Gram-negative infections, partiularly those due to Pseudomonas aeruginosa. | 2.5 | 2 | 0 | | |
novobiocin Novobiocin: An antibiotic compound derived from Streptomyces niveus. It has a chemical structure similar to coumarin. Novobiocin binds to DNA gyrase, and blocks adenosine triphosphatase (ATPase) activity. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p189). novobiocin : A coumarin-derived antibiotic obtained from Streptomyces niveus. | 2.05 | 1 | 0 | carbamate ester; ether; hexoside; hydroxycoumarin; monocarboxylic acid amide; monosaccharide derivative; phenols | antibacterial agent; antimicrobial agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; Escherichia coli metabolite; hepatoprotective agent |
saxitoxin Saxitoxin: A compound that contains a reduced purine ring system but is not biosynthetically related to the purine alkaloids. It is a poison found in certain edible mollusks at certain times; elaborated by GONYAULAX and consumed by mollusks, fishes, etc. without ill effects. It is neurotoxic and causes RESPIRATORY PARALYSIS and other effects in MAMMALS, known as paralytic SHELLFISH poisoning.. saxitoxin : An alkaloid isolated from the marine dinoflagellates and cyanobacteria that causes paralytic shellfish poisoning. | 2.11 | 1 | 0 | alkaloid; carbamate ester; guanidines; ketone hydrate; paralytic shellfish toxin; pyrrolopurine | cyanotoxin; marine metabolite; neurotoxin; sodium channel blocker; toxin |
guanine [no description available] | 3.09 | 1 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
8-hydroxyguanine 7,8-dihydro-8-oxoguanine: was substituted for guanine at G(8), G(9), G(14), or G(15) in the human telomeric oligonucleotide 5'-d[AGGGTTAG(8)G(9)GTT AG(14)G(15)GTTAGGGTGT]-3'. 7,8-dihydro-8-oxoguanine : An oxopurine that is guanine in which the hydrogen at position 8 is replaced by an oxo group and in which the nitrogens at positions 7 and 9 each bear a hydrogen. | 3.09 | 1 | 0 | oxopurine | |
naamidine a naamidine A: isolated from the sponge Leucetta; structure in first source | 7.11 | 1 | 0 | | |