| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
5-hydroxytryptophan
5-Hydroxytryptophan: The immediate precursor in the biosynthesis of SEROTONIN from tryptophan. It is used as an antiepileptic and antidepressant.. 5-hydroxytryptophan : A tryptophan derivative that is tryptophan substituted by a hydroxy group at position 5. | 1.96 | 1 | 0 | hydroxytryptophan | human metabolite;
neurotransmitter |
choline
[no description available] | 2.03 | 1 | 0 | cholines | allergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter;
nutrient;
plant metabolite;
Saccharomyces cerevisiae metabolite |
dihydroxyphenylalanine
Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring. | 1.97 | 1 | 0 | hydroxyphenylalanine;
non-proteinogenic alpha-amino acid;
tyrosine derivative | human metabolite |
8-hydroxy-2-(di-n-propylamino)tetralin
8-Hydroxy-2-(di-n-propylamino)tetralin: A serotonin 1A-receptor agonist that is used experimentally to test the effects of serotonin.. 8-OH-DPAT : A tetralin substituted at positions 1 and 7 by hydroxy and dipropylamino groups respectively | 2.67 | 3 | 0 | phenols;
tertiary amino compound;
tetralins | serotonergic antagonist |
1-(3-chlorophenyl)biguanide
1-(3-chlorophenyl)biguanide: RN given refers to parent cp; a 5-HT3 receptor agonist | 2.01 | 1 | 0 | biguanides;
monochlorobenzenes | |
2-methyl-5-ht
2-methyl-5-HT: M-receptor agonist | 2.01 | 1 | 0 | tryptamines | serotonergic agonist |
3,4-methylenedioxyamphetamine
3,4-Methylenedioxyamphetamine: An amphetamine derivative that inhibits uptake of catecholamine neurotransmitters. It is a hallucinogen. It is less toxic than its methylated derivative but in sufficient doses may still destroy serotonergic neurons and has been used for that purpose experimentally. | 2.38 | 2 | 0 | benzodioxoles | |
n-methyl-3,4-methylenedioxyamphetamine
N-Methyl-3,4-methylenedioxyamphetamine: An N-substituted amphetamine analog. It is a widely abused drug classified as a hallucinogen and causes marked, long-lasting changes in brain serotonergic systems. It is commonly referred to as MDMA or ecstasy.. 3,4-methylenedioxymethamphetamine : A member of the class of benzodioxoles that is 1,3-benzodioxole substituted by a 2-(methylamino)propyl group at position 5. | 2.38 | 2 | 0 | amphetamines;
benzodioxoles | neurotoxin |
5-carboxamidotryptamine
5-carboxamidotryptamine: agonist of 5-HT receptor; structure given in first source | 2.37 | 2 | 0 | tryptamines | |
hydroxyindoleacetic acid
(5-hydroxyindol-3-yl)acetic acid : A member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. | 3.07 | 5 | 0 | indole-3-acetic acids | drug metabolite;
human metabolite;
mouse metabolite |
8-cyclopentyl-1,3-dimethylxanthine
8-cyclopentyl-1,3-dimethylxanthine: prolongs epileptic seizures in rats | 2 | 1 | 0 | oxopurine | |
alaproclate
alaproclate: specific 5-hydroxytryptamine uptake inhibitors; RN given refers to (DL)-isomer | 2.05 | 1 | 0 | alpha-amino acid ester | |
theophylline
[no description available] | 2 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
buspirone
Buspirone: An anxiolytic agent and serotonin receptor agonist belonging to the azaspirodecanedione class of compounds. Its structure is unrelated to those of the BENZODIAZAPINES, but it has an efficacy comparable to DIAZEPAM.. buspirone : An azaspiro compound that is 8-azaspiro[4.5]decane-7,9-dione substituted at the nitrogen atom by a 4-(piperazin-1-yl)butyl group which in turn is substituted by a pyrimidin-2-yl group at the N(4) position. | 2.07 | 1 | 0 | azaspiro compound;
N-alkylpiperazine;
N-arylpiperazine;
organic heteropolycyclic compound;
piperidones;
pyrimidines | anxiolytic drug;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
sedative;
serotonergic agonist |
caffeine
[no description available] | 2 | 1 | 0 | purine alkaloid;
trimethylxanthine | adenosine A2A receptor antagonist;
adenosine receptor antagonist;
adjuvant;
central nervous system stimulant;
diuretic;
EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
environmental contaminant;
food additive;
fungal metabolite;
geroprotector;
human blood serum metabolite;
mouse metabolite;
mutagen;
plant metabolite;
psychotropic drug;
ryanodine receptor agonist;
xenobiotic |
citalopram
Citalopram: A furancarbonitrile that is one of the serotonin uptake inhibitors used as an antidepressant. The drug is also effective in reducing ethanol uptake in alcoholics and is used in depressed patients who also suffer from TARDIVE DYSKINESIA in preference to tricyclic antidepressants, which aggravate dyskinesia.. citalopram : A racemate comprising equimolar amounts of (R)-citalopram and its enantiomer, escitalopram. It is used as an antidepressant, although only escitalopram is active.. 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile : A nitrile that is 1,3-dihydro-2-benzofuran-5-carbonitrile in which one of the hydrogens at position 1 is replaced by a p-fluorophenyl group, while the other is replaced by a 3-(dimethylamino)propyl group. | 2.92 | 4 | 0 | 2-benzofurans;
cyclic ether;
nitrile;
organofluorine compound;
tertiary amino compound | |
clenbuterol
Clenbuterol: A substituted phenylaminoethanol that has beta-2 adrenomimetic properties at very low doses. It is used as a bronchodilator in asthma.. clenbuterol : A substituted aniline that is 2,6-dichloroaniline in which the hydrogen at position 4 has been replaced by a 2-(tert-butylamino)-1-hydroxyethyl group. | 2.05 | 1 | 0 | amino alcohol;
dichlorobenzene;
ethanolamines;
primary arylamine;
secondary amino compound;
substituted aniline | beta-adrenergic agonist;
bronchodilator agent;
sympathomimetic agent |
clomipramine
Clomipramine: A tricyclic antidepressant similar to IMIPRAMINE that selectively inhibits the uptake of serotonin in the brain. It is readily absorbed from the gastrointestinal tract and demethylated in the liver to form its primary active metabolite, desmethylclomipramine.. clomipramine : A dibenzoazepine that is 10,11-dihydro-5H-dibenzo[b,f]azepine which is substituted by chlorine at position 3 and in which the hydrogen attached to the nitrogen is replaced by a 3-(dimethylamino)propyl group. One of the more sedating tricyclic antidepressants, it is used as the hydrochloride salt for the treatment of depression as well as obsessive-compulsive disorder and phobias. | 1.98 | 1 | 0 | dibenzoazepine | anticoronaviral agent;
antidepressant;
EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor;
serotonergic antagonist;
serotonergic drug;
serotonin uptake inhibitor |
desipramine
Desipramine: A tricyclic dibenzazepine compound that potentiates neurotransmission. Desipramine selectively blocks reuptake of norepinephrine from the neural synapse, and also appears to impair serotonin transport. This compound also possesses minor anticholinergic activity, through its affinity to muscarinic receptors.. desipramine : A dibenzoazepine consisting of 10,11-dihydro-5H-dibenzo[b,f]azepine substituted on nitrogen with a 3-(methylamino)propyl group. | 2.67 | 3 | 0 | dibenzoazepine;
secondary amino compound | adrenergic uptake inhibitor;
alpha-adrenergic antagonist;
antidepressant;
cholinergic antagonist;
drug allergen;
EC 3.1.4.12 (sphingomyelin phosphodiesterase) inhibitor;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
H1-receptor antagonist;
serotonin uptake inhibitor |
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. | 2.05 | 1 | 0 | 1,4-benzodiazepinone;
organochlorine compound | anticonvulsant;
anxiolytic drug;
environmental contaminant;
sedative;
xenobiotic |
p-chloroamphetamine
p-Chloroamphetamine: Chlorinated analog of AMPHETAMINE. Potent neurotoxin that causes release and eventually depletion of serotonin in the CNS. It is used as a research tool. | 2.37 | 2 | 0 | | |
domperidone
Domperidone: A specific blocker of dopamine receptors. It speeds gastrointestinal peristalsis, causes prolactin release, and is used as antiemetic and tool in the study of dopaminergic mechanisms.. domperidone : 1-[3-(Piperidin-1-yl)propyl]-1,3-dihydro-2H-benzimidazol-2-one in which the 4-position of the piperidine ring is substituted by a 5-chloro-1,3-dihydro-2H-benzimidazol-2-on-1-yl group. A dopamine antagonist, it is used as an antiemetic for the short-term treatment of nausea and vomiting, and to control gastrointestinal effects of dopaminergic drugs given in the management of parkinsonism. The free base is used in oral suspensions, while the maleate salt is used in tablet preparations. | 1.96 | 1 | 0 | benzimidazoles;
heteroarylpiperidine | antiemetic;
dopaminergic antagonist |
fenfluramine
Fenfluramine: A centrally active drug that apparently both blocks serotonin uptake and provokes transport-mediated serotonin release.. fenfluramine : A secondary amino compound that is 1-phenyl-propan-2-amine in which one of the meta-hydrogens is substituted by trifluoromethyl, and one of the hydrogens attached to the nitrogen is substituted by an ethyl group. It binds to the serotonin reuptake pump, causing inhbition of serotonin uptake and release of serotonin. The resulting increased levels of serotonin lead to greater serotonin receptor activation which in turn lead to enhancement of serotoninergic transmission in the centres of feeding behavior located in the hypothalamus. This suppresses the appetite for carbohydrates. Fenfluramine was used as the hydrochloride for treatment of diabetes and obesity. It was withdrawn worldwide after reports of heart valve disease and pulmonary hypertension. | 1.97 | 1 | 0 | (trifluoromethyl)benzenes;
secondary amino compound | appetite depressant;
serotonergic agonist;
serotonin uptake inhibitor |
fluoxetine
Fluoxetine: The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.. fluoxetine : A racemate comprising equimolar amounts of (R)- and (S)-fluoxetine. A selective serotonin reuptake inhibitor (SSRI), it is used (generally as the hydrochloride salt) for the treatment of depression (and the depressive phase of bipolar disorder), bullimia nervosa, and obsessive-compulsive disorder.. N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]propan-1-amine : An aromatic ether consisting of 4-trifluoromethylphenol in which the hydrogen of the phenolic hydroxy group is replaced by a 3-(methylamino)-1-phenylpropyl group. | 3.1 | 5 | 0 | (trifluoromethyl)benzenes;
aromatic ether;
secondary amino compound | |
vanoxerine
vanoxerine: structure given in first source. vanoxerine : An N-alkylpiperazine that consists of piperazine bearing 2-bis(4-fluorophenyl)methoxy]ethyl and 3-phenylpropyl groups at positions 1 and 4 respectively. Potent, competitive inhibitor of dopamine uptake (Ki = 1 nM for inhibition of striatal dopamine uptake). Has > 100-fold lower affinity for the noradrenalin and 5-HT uptake carriers. Also a potent sigma ligand (IC50 = 48 nM). Centrally active following systemic administration. | 2.39 | 2 | 0 | ether;
N-alkylpiperazine;
organofluorine compound;
tertiary amino compound | dopamine uptake inhibitor |
granisetron
[no description available] | 2.4 | 2 | 0 | aromatic amide;
indazoles | |
imipramine
Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 2.38 | 2 | 0 | dibenzoazepine | adrenergic uptake inhibitor;
antidepressant;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
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. | 2.05 | 1 | 0 | catechols;
secondary alcohol;
secondary amino compound | beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent |
ketanserin
Ketanserin: A selective serotonin receptor antagonist with weak adrenergic receptor blocking properties. The drug is effective in lowering blood pressure in essential hypertension. It also inhibits platelet aggregation. It is well tolerated and is particularly effective in older patients.. ketanserin : A member of the class of quinazolines that is quinazoline-2,4(1H,3H)-dione which is substituted at position 3 by a 2-[4-(p-fluorobenzoyl)piperidin-1-yl]ethyl group. | 2 | 1 | 0 | aromatic ketone;
organofluorine compound;
piperidines;
quinazolines | alpha-adrenergic antagonist;
antihypertensive agent;
cardiovascular drug;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
serotonergic antagonist |
maprotiline
Maprotiline: A bridged-ring tetracyclic antidepressant that is both mechanistically and functionally similar to the tricyclic antidepressants, including side effects associated with its use. | 1.97 | 1 | 0 | anthracenes | |
methiothepin
Methiothepin: A serotonin receptor antagonist in the CENTRAL NERVOUS SYSTEM used as an antipsychotic.. methiothepin : A dibenzothiepine that is 10,11-dihydrodibenzo[b,f]thiepine bearing additional methylthio and 4-methylpiperazin-1-yl substituents at positions 8 and 10 respectively. Potent 5-HT2 antagonist, also active as 5-HT1 antagonist. Differentiates 5-HT1D sub-types. Also displays affinity for rodent 5-HT5B, 5-HT5A, 5-HT7 and 5-HT6 receptors (pK1 values are 6.6, 7.0, 8.4 and 8.7 respectively). | 2.91 | 4 | 0 | aryl sulfide;
dibenzothiepine;
N-alkylpiperazine;
tertiary amino compound | antipsychotic agent;
dopaminergic antagonist;
geroprotector;
serotonergic antagonist |
nomifensine
Nomifensine: An isoquinoline derivative that prevents dopamine reuptake into synaptosomes. The maleate was formerly used in the treatment of depression. It was withdrawn worldwide in 1986 due to the risk of acute hemolytic anemia with intravascular hemolysis resulting from its use. In some cases, renal failure also developed. (From Martindale, The Extra Pharmacopoeia, 30th ed, p266). nomifensine : An N-methylated tetrahydroisoquinoline carrying phenyl and amino substituents at positions C-4 and C-8, respectively. | 2.38 | 2 | 0 | isoquinolines | dopamine uptake inhibitor |
oxymetazoline
Oxymetazoline: A direct acting sympathomimetic used as a vasoconstrictor to relieve nasal congestion. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1251). oxymetazoline : A member of the class of phenols that is 2,4-dimethylphenol which is substituted at positions 3 and 6 by 4,5-dihydro-1H-imidazol-2-ylmethyl and tert-butyl groups, respectively. A direct-acting sympathomimetic with marked alpha-adrenergic activity, it is a vasoconstrictor that is used (generally as the hydrochloride salt) to relieve nasal congestion. | 2 | 1 | 0 | carboxamidine;
imidazolines;
phenols | alpha-adrenergic agonist;
nasal decongestant;
sympathomimetic agent;
vasoconstrictor agent |
pargyline
Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 2.41 | 2 | 0 | aromatic amine | |
phenyl biguanide
phenyl biguanide: RN given refers to parent cpd. phenyl biguanide : A member of the class of biguanides that is biguanide in which one of the terminal nitrogen atoms is substituted by a phenyl group. | 2.01 | 1 | 0 | guanidines | central nervous system drug |
pindolol
Pindolol: A moderately lipophilic beta blocker (ADRENERGIC BETA-ANTAGONISTS). It is non-cardioselective and has intrinsic sympathomimetic actions, but little membrane-stabilizing activity. (From Martindale, The Extra Pharmocopoeia, 30th ed, p638). pindolol : A member of the class of indols which is the 2-hydroxy-3-(isopropylamino)propyl ether derivative of 1H-indol-4-ol. | 1.97 | 1 | 0 | indoles;
secondary amine | antiglaucoma drug;
antihypertensive agent;
beta-adrenergic antagonist;
serotonergic antagonist;
vasodilator agent |
piperazine
[no description available] | 2.03 | 1 | 0 | azacycloalkane;
piperazines;
saturated organic heteromonocyclic parent | anthelminthic drug |
duodote
duodote: consists of atropine and pralidoxime chloride; for treating those exposed to organophosphorus-containing nerve agents | 2.05 | 1 | 0 | pyridinium ion | antidote to organophosphate poisoning;
antidote to sarin poisoning;
cholinergic drug;
cholinesterase reactivator |
probenecid
Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 1.96 | 1 | 0 | benzoic acids;
sulfonamide | uricosuric drug |
quipazine
Quipazine: A pharmacologic congener of serotonin that contracts smooth muscle and has actions similar to those of tricyclic antidepressants. It has been proposed as an oxytocic. | 5.01 | 40 | 0 | piperazines;
pyridines | |
n-methylquipazine
N-methylquipazine: structure in first source. N-methylquipazine : An aminoquinoline that consists of quinoline in which the hydrogen at position 2 is substituted by a 4-methylpiperazin-1-yl group. A 5-HT3 agonist. Has almost the same affinity for 5-HT3 sites as quipazine but unlike the latter, does not bind to 5-HT1B sites. | 2.4 | 2 | 0 | aminoquinoline;
N-alkylpiperazine;
N-arylpiperazine | serotonergic agonist |
theobromine
Theobromine: 3,7-Dimethylxanthine. The principle alkaloid in Theobroma cacao (the cacao bean) and other plants. A xanthine alkaloid that is used as a bronchodilator and as a vasodilator. It has a weaker diuretic activity than THEOPHYLLINE and is also a less powerful stimulant of smooth muscle. It has practically no stimulant effect on the central nervous system. It was formerly used as a diuretic and in the treatment of angina pectoris and hypertension. (From Martindale, The Extra Pharmacopoeia, 30th ed, pp1318-9). theobromine : A dimethylxanthine having the two methyl groups located at positions 3 and 7. A purine alkaloid derived from the cacao plant, it is found in chocolate, as well as in a number of other foods, and is a vasodilator, diuretic and heart stimulator. | 2 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist;
bronchodilator agent;
food component;
human blood serum metabolite;
mouse metabolite;
plant metabolite;
vasodilator agent |
tyramine
[no description available] | 1.96 | 1 | 0 | monoamine molecular messenger;
primary amino compound;
tyramines | EC 3.1.1.8 (cholinesterase) inhibitor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter |
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. | 2.37 | 2 | 0 | imidazoles;
phenols;
substituted aniline;
tertiary amino compound | alpha-adrenergic antagonist;
vasodilator agent |
alanine
Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2.05 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental 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. | 2.05 | 1 | 0 | carbamate ester;
indole alkaloid | antidote to curare poisoning;
EC 3.1.1.8 (cholinesterase) inhibitor;
miotic |
apomorphine
Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. | 2.05 | 1 | 0 | aporphine alkaloid | alpha-adrenergic drug;
antidyskinesia agent;
antiparkinson drug;
dopamine agonist;
emetic;
serotonergic drug |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 1.97 | 1 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2.02 | 1 | 0 | alkane;
gas molecular entity | food propellant |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.42 | 2 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
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. | 2.44 | 2 | 0 | pyrrole;
secondary amine | |
2-chloroadenosine
5-chloroformycin A: structure given in first source | 1.99 | 1 | 0 | purine nucleoside | |
methysergide
Methysergide: An ergot derivative that is a congener of LYSERGIC ACID DIETHYLAMIDE. It antagonizes the effects of serotonin in blood vessels and gastrointestinal smooth muscle, but has few of the properties of other ergot alkaloids. Methysergide is used prophylactically in migraine and other vascular headaches and to antagonize serotonin in the carcinoid syndrome.. methysergide : A synthetic ergot alkaloid, structurally related to the oxytocic agent methylergonovine and to the potent hallucinogen LSD and used prophylactically to reduce the frequency and intensity of severe vascular headaches. | 1.97 | 1 | 0 | ergoline alkaloid | |
bicuculline
Bicuculline: An isoquinoline alkaloid obtained from Dicentra cucullaria and other plants. It is a competitive antagonist for GABA-A receptors.. bicuculline : A benzylisoquinoline alkaloid that is 6-methyl-5,6,7,8-tetrahydro[1,3]dioxolo[4,5-g]isoquinoline which is substituted at the 5-pro-S position by a (6R)-8-oxo-6,8-dihydrofuro[3,4-e][1,3]benzodioxol-6-yl group. A light-sensitive competitive antagonist of GABAA receptors. It was originally identified in 1932 in plant alkaloid extracts and has been isolated from Dicentra cucullaria, Adlumia fungosa, Fumariaceae, and several Corydalis species. | 2 | 1 | 0 | benzylisoquinoline alkaloid;
isoquinoline alkaloid;
isoquinolines | agrochemical;
central nervous system stimulant;
GABA-gated chloride channel antagonist;
GABAA receptor antagonist;
neurotoxin |
metergoline
Metergoline: A dopamine agonist and serotonin antagonist. It has been used similarly to BROMOCRIPTINE as a dopamine agonist and also for MIGRAINE DISORDERS therapy.. metergoline : An ergoline alkaloid that is the N-benzyloxycarbonyl derivative of lysergamine. A 5-HT2 antagonist. Also 5-HT1 antagonist and 5-HT1D ligand. Has moderate affinity for 5-HT6 and high affinity for 5-HT7. | 1.97 | 1 | 0 | carbamate ester;
ergoline alkaloid | dopamine agonist;
geroprotector;
serotonergic antagonist |
paroxetine
Paroxetine: A serotonin uptake inhibitor that is effective in the treatment of depression.. paroxetine : A benzodioxole that consists of piperidine bearing 1,3-benzodioxol-5-yloxy)methyl and 4-fluorophenyl substituents at positions 3 and 4 respectively; the (3S,4R)-diastereomer. Highly potent and selective 5-HT uptake inhibitor that binds with high affinity to the serotonin transporter (Ki = 0.05 nM). Ki values are 1.1, 350 and 1100 nM for inhibition of [3H]-5-HT, [3H]-l-NA and [3H]-DA uptake respectively. Displays minimal affinity for alpha1-, alpha2- or beta-adrenoceptors, 5-HT2A, 5-HT1A, D2 or H1 receptors at concentrations below 1000 nM, however displays weak affinity for muscarinic ACh receptors (Ki = 42 nM). Antidepressant and anxiolytic in vivo. | 2.69 | 3 | 0 | aromatic ether;
benzodioxoles;
organofluorine compound;
piperidines | antidepressant;
anxiolytic drug;
hepatotoxic agent;
P450 inhibitor;
serotonin uptake inhibitor |
bopindolol
bopindolol: RN given refers to cpd without isomeric designation. bopindolol : A racemate comprising of equal amounts of (R)-bopindolol and (S)-bopindolol. It is a non-selective antagonist of beta1- and beta2-adrenoceptors and a prodrug in which the ester group is hydrolysed to form the corresponding hydroxy derivative.. 1-(tert-butylamino)-3-[(2-methyl-1H-indol-4-yl)oxy]propan-2-yl benzoate : A methylindole that is 2-methyl-1H-indol-4-ol in which the hydrogen of the hydroxy group is replaced by a 2-(benzoyloxy)-3-(tert-butylamino)propyl group. | 2.05 | 1 | 0 | aromatic ether;
benzoate ester;
methylindole;
secondary amino compound | |
cianopramine
[no description available] | 1.98 | 1 | 0 | | |
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. | 1.97 | 1 | 0 | benzodioxine;
imidazolines | alpha-adrenergic antagonist |
quinpirole
Quinpirole: A dopamine D2/D3 receptor agonist.. quinpirole : A pyrazoloquinoline that is (4aR,8aR)-4,4a,5,6,7,8,8a,9-octahydro-1H-pyrazolo[3,4-g]quinoline substituted by a propyl group at position 5. It acts as a dopamine agonist. | 1.96 | 1 | 0 | pyrazoloquinoline | dopamine agonist |
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.4 | 2 | 0 | adenosines;
purines D-ribonucleoside | analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent |
mesulergine
mesulergine: RN given refers to parent cpd; CU 32-085 is synonymous to mono-HCl; metabolized into dopaminergic agonists; structure given in first source. mesulergine : A member of the class of ergot alkaloids that is known to act on serotonin and dopamine receptors. | 2.4 | 2 | 0 | ergot alkaloid;
sulfamides | antiparkinson drug;
dopamine agonist;
serotonergic antagonist |
amezinium
amezinium: RN &N1 for parent cpd from 9th CI Form Index; structure in Negwer, 5th ed, #6252. amezinium : A pyridazinium ion that is pyridazin-1-ium which is substituted by a phenyl, amino and methoxy groups at positions 1, 4 and 6, respectively. | 1.98 | 1 | 0 | aromatic ether;
primary arylamine;
pyridazinium ion | adrenergic uptake inhibitor;
antihypotensive agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
sympathomimetic agent |
1-piperonylpiperazine
1-piperonylpiperazine: coadministration of above cpd attenuates neurotoxicity of 3,4-methylenedioxymethamphetamine; RN given refers to parent cpd | 1.98 | 1 | 0 | | |
3,7-dimethyl-1-propargylxanthine
3,7-dimethyl-1-propargylxanthine: potent & selective in vivo antagonist of adenosine analogs | 2 | 1 | 0 | | |
5-methoxy 3-(1,2,3,6-tetrahydro-4-pyridinyl)1h indole
[no description available] | 1.97 | 1 | 0 | indoles | |
2-chloro-n(6)cyclopentyladenosine
2-chloro-N(6)cyclopentyladenosine: highly selective agonist at A1 adenosine receptors | 2 | 1 | 0 | | |
cp 93129
3-(1,2,5,6-tetrahydropyrid-4-yl)pyrrolo(3,2-b)pyrid-5-one: serotonin agonist; structure given in first source | 2.44 | 2 | 0 | pyrrolopyridine | |
sr 57227a
[no description available] | 2.01 | 1 | 0 | dialkylarylamine;
tertiary amino compound | |
cyanopindolol
[no description available] | 1.97 | 1 | 0 | indoles | |
4, alpha-dimethyl-3-tyramine
4, alpha-dimethyl-3-tyramine: RN given refers to parent cpd; structure | 1.96 | 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. | 2.05 | 1 | 0 | | |
adenosine 5'-o-(3-thiotriphosphate)
adenosine 5'-O-(3-thiotriphosphate): RN given refers to cpd with unspecified locant for thio group; see also records for 1-thio & 2-thio-isomers. adenosine 5'-[gamma-thio]triphosphate : A nucleoside triphosphate analogue that is ATP in which one of the oxygens attached to 3-phosphate group is replaced by sulfur. | 1.99 | 1 | 0 | nucleoside triphosphate analogue | |
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. | 2 | 1 | 0 | benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid | adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic |
adenosine-5'-(n-ethylcarboxamide)
Adenosine-5'-(N-ethylcarboxamide): A stable adenosine A1 and A2 receptor agonist. Experimentally, it inhibits cAMP and cGMP phosphodiesterase activity.. N-ethyl-5'-carboxamidoadenosine : A derivative of adenosine in which the 5'-hydroxymethyl group is replaced by an N-ethylcarboxamido group. | 1.99 | 1 | 0 | adenosines;
monocarboxylic acid amide | adenosine A1 receptor agonist;
adenosine A2A receptor agonist;
antineoplastic agent;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
vasodilator agent |
n(6)-cyclopentyladenosine
[no description available] | 1.99 | 1 | 0 | | |
u-50488
3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer: A non-peptide, kappa-opioid receptor agonist which has also been found to stimulate the release of adrenocorticotropin (ADRENOCORTICOTROPIC HORMONE) via the release of hypothalamic arginine vasopressin (ARGININE VASOPRESSIN) and CORTICOTROPIN-RELEASING HORMONE. (From J Pharmacol Exp Ther 1997;280(1):416-21). U50488 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of 3,4-dichlorophenylacetic acid and the secondary amino group of (1R,2R)-N-methyl-2-(pyrrolidin-1-yl)cyclohexanamine | 2.03 | 1 | 0 | dichlorobenzene;
monocarboxylic acid amide;
N-alkylpyrrolidine | analgesic;
antitussive;
calcium channel blocker;
diuretic;
kappa-opioid receptor agonist |
2-(4-(2-carboxyethyl)phenethylamino)-5'-n-ethylcarboxamidoadenosine
2-(4-(2-carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine: A2 adenosine receptor agonist; structure given in first source. CGS-21680 : A derivative of adenosine in which the 5'-hydroxymethyl group is replaced by N-ethylcarboxamido and the hydrogen at position 2 on the adenine is replaced by a 4-(2-carboxyethyl)phenethylamino group. | 2 | 1 | 0 | adenosines;
dicarboxylic acid monoamide;
monocarboxylic acid | adenosine A2A receptor agonist;
anti-inflammatory agent |
digitoxigenin
Digitoxigenin: 3 beta,14-Dihydroxy-5 beta-card-20(22)enolide. A cardenolide which is the aglycon of digitoxin. Synonyms: Cerberigenin; Echujetin; Evonogenin; Thevetigenin.. digitoxigenin : A 5beta-cardenolide that is 5beta-cardanolide with hydroxy substituents at the 3beta- and 14beta-positions and double bond unsaturation at C(20)-C(22). | 2.05 | 1 | 0 | 14beta-hydroxy steroid;
3beta-hydroxy steroid | |
fluvoxamine
Fluvoxamine: A selective serotonin reuptake inhibitor that is used in the treatment of DEPRESSION and a variety of ANXIETY DISORDERS.. fluvoxamine : An oxime O-ether that is benzene substituted by a (1E)-N-(2-aminoethoxy)-5-methoxypentanimidoyl group at position 1 and a trifluoromethyl group at position 4. It is a selective serotonin reuptake inhibitor that is used for the treatment of obsessive-compulsive disorder. | 1.98 | 1 | 0 | (trifluoromethyl)benzenes;
5-methoxyvalerophenone O-(2-aminoethyl)oxime | antidepressant;
anxiolytic drug;
serotonin uptake inhibitor |
zimeldine
Zimeldine: One of the SEROTONIN UPTAKE INHIBITORS formerly used for depression but was withdrawn worldwide in September 1983 because of the risk of GUILLAIN-BARRE SYNDROME associated with its use. (From Martindale, The Extra Pharmacopoeia, 29th ed, p385) | 2.38 | 2 | 0 | styrenes | |
enkephalin, ala(2)-mephe(4)-gly(5)-
Enkephalin, Ala(2)-MePhe(4)-Gly(5)-: An enkephalin analog that selectively binds to the MU OPIOID RECEPTOR. It is used as a model for drug permeability experiments. | 2.03 | 1 | 0 | | |
dizocilpine maleate
Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 2 | 1 | 0 | maleate salt;
tetracyclic antidepressant | anaesthetic;
anticonvulsant;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist |
ergoline
Ergolines: A series of structurally-related alkaloids that contain the ergoline backbone structure.. ergoline : An indole alkaloid whose structural skeleton is found in many naturally occurring and synthetic ergolines which are known to bind to neurotransmitter receptors, such as dopamine, noradrenaline and serotonin receptors and function as unselective agonists or antagonists at these receptors. | 1.96 | 1 | 0 | diamine;
ergoline alkaloid;
indole alkaloid fundamental parent;
indole alkaloid;
organic heterotetracyclic compound | |
5-iodo-6-nitro-2-piperazinylquinoline
5-iodo-6-nitro-2-piperazinylquinoline: potent & selective ligand for the serotonin uptake complex; structure given in first source | 2 | 1 | 0 | nitro compound;
quinolines | |
kaspar
kaspar: structure given in first source | 2.07 | 1 | 0 | | |
m-chlorophenylguanidine
[no description available] | 2.01 | 1 | 0 | | |
cgs 24012
CGS 24012: adenosine agonist with both high affinity & selectivity for the adenosine A2 receptor | 2 | 1 | 0 | | |
brimonidine tartrate
Brimonidine Tartrate: A quinoxaline derivative and ADRENERGIC ALHPA-2 RECEPTOR AGONIST that is used to manage INTRAOCULAR PRESSURE associated with OPEN-ANGLE GLAUCOMA and OCULAR HYPERTENSION. | 2.03 | 1 | 0 | | |
2-((2-((dimethylamino)methyl)phenyl)thio)-5-iodophenylamine
2-((2-((dimethylamino)methyl)phenyl)thio)-5-iodophenylamine: structure in first source | 2.01 | 1 | 0 | | |
p(1),p(5)-di(adenosine-5'-)pentaphosphate
P(1),P(5)-di(adenosine-5'-)pentaphosphate: structure. P(1),P(5)-bis(5'-adenosyl) pentaphosphate(5-) : An organophosphate oxoanion arising from global deprotonation of the pentaphosphate OH groups of P(1),P(5)-bis(5'-adenosyl) pentaphosphate. | 1.99 | 1 | 0 | organophosphate oxoanion | |
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. | 2.05 | 1 | 0 | benzenes;
hydroxycoumarin;
methyl ketone | |
cgs 12066b
CGS 12066B: RN given for ((Z)-2-butenedioate (1:2))-salt (CGS 12066B); CGS 12066A is the (ethanedioate (1:2))-salt; structure given in first source. 4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline dimaleate : A maleate salt that is the dimaleate salt of 4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline. A 5-hydroxytryptamine receptor 1B (5-HT1B) full agonist, 10-fold selective over 5-HT1A and 1000-fold selective over 5-HT2C receptors. Centrally active following systemic administration. | 2 | 1 | 0 | maleate salt | prodrug;
serotonergic agonist |