| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
alfuzosin
alfuzosin: structure given in first source | 3.8 | 3 | 0 | monocarboxylic acid amide;
quinazolines;
tetrahydrofuranol | alpha-adrenergic antagonist;
antihypertensive agent;
antineoplastic agent |
benoxathian
benoxathian: RN given refers to parent cpd; structure given in first source | 2.02 | 1 | 0 | | |
bmy 7378
[no description available] | 2.43 | 2 | 0 | piperazines | |
bunazosin
bunazosin: structure | 2.02 | 1 | 0 | quinazolines | |
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. | 2.06 | 1 | 0 | clonidine;
imidazoline | |
doxazosin
Doxazosin: A prazosin-related compound that is a selective alpha-1-adrenergic blocker.. doxazosin : A member of the class of quinazolines that is quinazoline substituted by an amino group at position 4, methoxy groups at positions 6 and 7 and a piperazin-1-yl group at position 2 which in turn is substituted by a 2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl group at position 4. An antihypertensive agent, it is used in the treatment of high blood pressure. | 3.8 | 3 | 0 | aromatic amine;
benzodioxine;
monocarboxylic acid amide;
N-acylpiperazine;
N-arylpiperazine;
quinazolines | alpha-adrenergic antagonist;
antihyperplasia drug;
antihypertensive agent;
antineoplastic agent;
vasodilator agent |
naftopidil
[no description available] | 2.02 | 1 | 0 | piperazines | |
nan 190
1-(2-methoxyphenyl)-4-(4-(2-phthalimido)butyl)piperazine: RN from Toxlit. NAN 190 : An N-alkylpiperazine that consists of (2-methoxyphenyl)piperazine in which the amine hydrogen is substituted by a 4-(2-phthalimido)butyl group. | 2.43 | 2 | 0 | N-alkylpiperazine;
N-arylpiperazine;
phthalimides | serotonergic antagonist |
prazosin
Prazosin: A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.. prazosin : A member of the class of piperazines that is piperazine substituted by a furan-2-ylcarbonyl group and a 4-amino-6,7-dimethoxyquinazolin-2-yl group at positions 1 and 4 respectively. | 4.36 | 6 | 0 | aromatic ether;
furans;
monocarboxylic acid amide;
piperazines;
quinazolines | alpha-adrenergic antagonist;
antihypertensive agent;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
risperidone
Risperidone: A selective blocker of DOPAMINE D2 RECEPTORS and SEROTONIN 5-HT2 RECEPTORS that acts as an atypical antipsychotic agent. It has been shown to improve both positive and negative symptoms in the treatment of SCHIZOPHRENIA.. risperidone : A member of the class of pyridopyrimidines that is 2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one carrying an additional 2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl group at position 2. | 2.02 | 1 | 0 | 1,2-benzoxazoles;
heteroarylpiperidine;
organofluorine compound;
pyridopyrimidine | alpha-adrenergic antagonist;
dopaminergic antagonist;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
H1-receptor antagonist;
psychotropic drug;
second generation antipsychotic;
serotonergic antagonist |
spiperone
Spiperone: A spiro butyrophenone analog similar to HALOPERIDOL and other related compounds. It has been recommended in the treatment of SCHIZOPHRENIA.. spiperone : An azaspiro compound that is 1,3,8-triazaspiro[4.5]decane which is substituted at positions 1, 4, and 8 by phenyl, oxo, and 4-(p-fluorophenyl)-4-oxobutyl groups, respectively. | 2.43 | 2 | 0 | aromatic ketone;
azaspiro compound;
organofluorine compound;
piperidines;
tertiary amino compound | alpha-adrenergic antagonist;
antipsychotic agent;
dopaminergic antagonist;
psychotropic drug;
serotonergic antagonist |
terazosin
Terazosin: induces decreased blood pressure; used in the treatment of benign prostatic hyperplasia | 3.8 | 3 | 0 | furans;
piperazines;
primary amino compound;
quinazolines | alpha-adrenergic antagonist;
antihypertensive agent;
antineoplastic agent |
5-methylurapidil
[no description available] | 3.79 | 3 | 0 | | |
n-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-n-(2-pyridinyl)cyclohexanecarboxamide
[no description available] | 2.02 | 1 | 0 | piperazines | |
wb 4101
N-(2,3-dihydro-1,4-benzodioxin-2-ylmethyl)-2-(2,6-dimethoxyphenoxy)ethanamine : A benzodioxine that is 2,3-dihydro-1,4-benzodioxine bearing a [(2',6'-dimethoxyphenoxy)ethylamino]methyl group at position 2. An alpha1A-adrenergic selective antagonist. | 4.19 | 5 | 0 | aromatic ether;
benzodioxine;
secondary amino compound | alpha-adrenergic antagonist |
phentolamine
Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.. phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension. | 2.02 | 1 | 0 | imidazoles;
phenols;
substituted aniline;
tertiary amino compound | alpha-adrenergic antagonist;
vasodilator agent |
phenylephrine
Phenylephrine: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.. phenylephrine : A member of the class of the class of phenylethanolamines that is (1R)-2-(methylamino)-1-phenylethan-1-ol carrying an additional hydroxy substituent at position 3 on the phenyl ring. | 2.69 | 3 | 0 | phenols;
phenylethanolamines;
secondary amino compound | alpha-adrenergic agonist;
cardiotonic drug;
mydriatic agent;
nasal decongestant;
protective agent;
sympathomimetic agent;
vasoconstrictor agent |
quinazolines
Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.41 | 2 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
discretamine
discretamine: structure | 2.02 | 1 | 0 | alkaloid | |
nitrous acid
Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) | 2.01 | 1 | 0 | nitrogen oxoacid | |
indoramin
Indoramin: An alpha-1 adrenergic antagonist that is commonly used as an antihypertensive agent. | 3.79 | 3 | 0 | tryptamines | |
be 2254
BE 2254: produces blockade of central receptors for norepinephrine; RN given refers to cpd without isomeric designation | 2 | 1 | 0 | tetralins | |
idazoxan
Idazoxan: A benzodioxane-linked imidazole that has alpha-2 adrenoceptor antagonist activity.. idazoxan : A benzodioxine that is 2,3-dihydro-1,4-benzodioxine in which one of the hydrogens at position 2 has been replaced by a 4,5-dihydro-1H-imidazol-2-yl group. | 2.06 | 1 | 0 | benzodioxine;
imidazolines | alpha-adrenergic antagonist |
finasteride
Finasteride: An orally active 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE inhibitor. It is used as a surgical alternative for treatment of benign PROSTATIC HYPERPLASIA.. finasteride : An aza-steroid that is a synthetic drug for the treatment of benign prostatic hyperplasia. | 3.09 | 1 | 0 | 3-oxo steroid;
aza-steroid;
delta-lactam | androgen antagonist;
antihyperplasia drug;
EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor |
niguldipine
[no description available] | 2.7 | 3 | 0 | diarylmethane | |
turosteride
turosteride: a 5alpha-reductase inhibitor; structure given in first source; RN given refers to the (5alpha,17beta)-isomer | 3.09 | 1 | 0 | | |
epristeride
epristeride: structure given in first source | 3.09 | 1 | 0 | steroid acid | |
corynanthine
Corynanthine: A stereoisomer of yohimbine. | 2.43 | 2 | 0 | yohimban alkaloid | |
rx 821002
2-methoxyidazoxan: 2-methoxy analog of idazoxan. 2-methoxyidazoxan : A benzodioxine that is idazoxan substituted at position 2 by a methoxy group. | 2.06 | 1 | 0 | benzodioxine;
cyclic ketal;
imidazolines | alpha-adrenergic antagonist |
sk&f 104856
SK&F 104856: structure given in first source | 3.51 | 2 | 0 | | |
tamsulosin
[no description available] | 4.01 | 4 | 0 | 5-(2-{[2-(2-ethoxyphenoxy)ethyl]amino}propyl)-2-methoxybenzenesulfonamide | alpha-adrenergic antagonist;
antineoplastic agent |
cyclazosin
cyclazosin: an alpha(1D)-adrenoceptor antagonist; structure given in first source; RN given for (cis)-isomer. cyclazosin : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of furoic acid with the secondary amino group of 6,7-dimethoxy-2-[(4aR,8aS)-octahydroquinoxalin-1-yl]quinazolin-4-amine. | 3.51 | 2 | 0 | aromatic amide;
aromatic ether;
furans;
monocarboxylic acid amide;
quinazolines;
quinoxaline derivative | adenosine A2A receptor antagonist |
abanoquil
[no description available] | 2.02 | 1 | 0 | | |
ly 300502
[no description available] | 3.09 | 1 | 0 | | |
nantenine
nantenine: from Nandina domestica Thundberg; RN given refers to (S)-isomer; structure given in first source | 2.02 | 1 | 0 | oxoaporphine alkaloid | metabolite |
bmy 7378
[no description available] | 3.09 | 1 | 0 | | |
dihydropyridines
Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 1.99 | 1 | 0 | | |
ar-c239
AR-C239: structure given in first source; alpha(2B)-selective adrenoreceptor | 2.02 | 1 | 0 | piperazines | |
rs 100329
RS 100329: an alpha(1A)-adrenoceptor antagonist; structure in first source | 2.02 | 1 | 0 | piperazines | |
rs 17053
[no description available] | 4.02 | 4 | 0 | indoles | |
a 61603
A 61603: a potent alpha1-adrenergic receptor agonist; structure given in first source | 2.4 | 2 | 0 | tetralins | |
silodosin
silodosin: an alpha(1a)-adrenoceptor-selective antagonist; structure given in first source | 3.8 | 3 | 0 | indolecarboxamide | |
hv 723
HV 723: structure given in first source; RN given refers to fumarate salt; RN for parent cpd not available 3/89 | 1.99 | 1 | 0 | | |
n-(3-(cyclohexylidene-(1h-imidazol-4-ylmethyl))phenyl)ethanesulfonamide
[no description available] | 2.02 | 1 | 0 | | |
6 beta-hydroxycortisol
6 beta-hydroxycortisol: RN given refers to the (6beta,11beta)-isomer; see also record for 6 alpha-hydrocortisol. 6beta-hydroxycortisol : A C21-steroid that is cortisol bearing an additional hydroxy substituent at the 6beta-position. In humans, it is produced as a metabolite of cortisol by cytochrome p450-3A4 (CYP3A4, an important enzyme involved in the metabolism of a variety of exogenous and endogenous compounds) and can be used to detect moderate and potent CYP3A4 inhibition in vivo. | 3.38 | 1 | 1 | 11beta-hydroxy steroid;
17alpha-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
6beta-hydroxy steroid;
C21-steroid;
primary alpha-hydroxy ketone;
tertiary alpha-hydroxy ketone | human metabolite;
mammalian metabolite;
probe |
17-n,n-diethylcarbamoyl-4-methyl-4-azaandrostane-3-one
17-N,N-diethylcarbamoyl-4-methyl-4-azaandrostane-3-one: inhibitor of testosterone 5-alpha reductase, receptor binding & nuclear uptake of androgens in the prostate | 3.09 | 1 | 0 | | |
dexniguldipine
niguldipine: structure given in first source; clinical modulator of multidrug resistance | 3.49 | 2 | 0 | diarylmethane | |
ro 70-0004
[no description available] | 3.8 | 3 | 0 | | |
snap 6201
[no description available] | 2.02 | 1 | 0 | | |
oxadiazoles
Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 2.01 | 1 | 0 | | |
rifampin
Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160) | 3.38 | 1 | 1 | cyclic ketal;
hydrazone;
N-iminopiperazine;
N-methylpiperazine;
rifamycins;
semisynthetic derivative;
zwitterion | angiogenesis inhibitor;
antiamoebic agent;
antineoplastic agent;
antitubercular agent;
DNA synthesis inhibitor;
EC 2.7.7.6 (RNA polymerase) inhibitor;
Escherichia coli metabolite;
geroprotector;
leprostatic drug;
neuroprotective agent;
pregnane X receptor agonist;
protein synthesis inhibitor |