Target type: biologicalprocess
Any process that modulates the potential difference across a presynaptic membrane. [GOC:dph, GOC:ef]
The regulation of presynaptic membrane potential is a complex process that involves a delicate interplay of ion channels, neurotransmitters, and signaling pathways. It plays a crucial role in controlling the release of neurotransmitters and thus the communication between neurons. Here's a detailed description:
1. **Resting Membrane Potential:** The presynaptic neuron maintains a resting membrane potential, typically around -70 mV. This negative potential is established by a higher concentration of potassium ions (K+) inside the cell compared to the extracellular space, and a lower concentration of sodium ions (Na+) inside the cell. This gradient is maintained by the sodium-potassium pump, which actively transports these ions against their concentration gradients.
2. **Action Potential Arrival:** When an action potential arrives at the presynaptic terminal, it triggers a rapid depolarization of the membrane. This depolarization is caused by the opening of voltage-gated sodium channels, allowing sodium ions to rush into the cell and further depolarize the membrane.
3. **Calcium Influx:** The depolarization of the presynaptic terminal triggers the opening of voltage-gated calcium channels. Calcium ions (Ca2+), which are more concentrated outside the cell, flow into the presynaptic terminal. This influx of calcium is essential for the release of neurotransmitters.
4. **Neurotransmitter Release:** The increased concentration of calcium inside the presynaptic terminal triggers a cascade of events leading to the fusion of synaptic vesicles with the presynaptic membrane. These vesicles contain neurotransmitters, which are released into the synaptic cleft, the space between the presynaptic and postsynaptic neurons.
5. **Repolarization and Refractory Period:** After the influx of calcium, the membrane potential repolarizes. This is achieved by the closing of sodium channels and the opening of potassium channels. Potassium ions flow out of the cell, restoring the negative membrane potential. During this repolarization period, the neuron enters a refractory period, during which it is less likely to fire another action potential.
6. **Presynaptic Inhibition:** The release of neurotransmitters can also be modulated by presynaptic inhibition. This occurs when other neurons release neurotransmitters that act on the presynaptic terminal to decrease the likelihood of neurotransmitter release. This can be achieved by hyperpolarizing the presynaptic terminal, reducing calcium influx, or interfering with the fusion of synaptic vesicles.
7. **Presynaptic Facilitation:** Conversely, presynaptic facilitation can enhance the release of neurotransmitters. This can occur due to increased calcium influx, enhanced vesicle fusion, or modulation of signaling pathways that promote neurotransmitter release.
8. **Modulatory Factors:** The regulation of presynaptic membrane potential is influenced by various factors, including:
- **Synaptic Plasticity:** The strength of synaptic connections can change over time, a process known as synaptic plasticity. This can involve alterations in the number and sensitivity of receptors, the release of neurotransmitters, and the presynaptic membrane potential.
- **Neurotransmitters:** Different neurotransmitters have distinct effects on presynaptic membrane potential. Some neurotransmitters can depolarize the membrane, promoting neurotransmitter release, while others can hyperpolarize the membrane, inhibiting release.
- **Drugs and Toxins:** Various drugs and toxins can affect the regulation of presynaptic membrane potential, leading to changes in neuronal communication.
The regulation of presynaptic membrane potential is a highly dynamic and tightly controlled process that plays a critical role in the proper functioning of the nervous system. Any disruptions to this process can lead to various neurological disorders. '
"
| Protein | Definition | Taxonomy |
|---|---|---|
| Sodium channel protein type 10 subunit alpha | A sodium channel protein type 10 subunit alpha that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q9Y5Y9] | Homo sapiens (human) |
| Gamma-aminobutyric acid type B receptor subunit 1 | A gamma-aminobutyric acid type B receptor subunit 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q9UBS5] | Homo sapiens (human) |
| Potassium voltage-gated channel subfamily C member 2 | A voltage-gated potassium channel KCNC2 that is encoded in the genome of human. [PRO:CNA, UniProtKB:Q96PR1] | Homo sapiens (human) |
| Glutamate receptor ionotropic, kainate 5 | A glutamate receptor ionotropic, kainate 5 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q16478] | Homo sapiens (human) |
| Glutamate receptor ionotropic, kainate 4 | A glutamate receptor ionotropic, kainate 4 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q16099] | Homo sapiens (human) |
| ATP-sensitive inward rectifier potassium channel 8 | An ATP-sensitive inward rectifier potassium channel 8 that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q15842] | Homo sapiens (human) |
| ATP-sensitive inward rectifier potassium channel 11 | An ATP-sensitive inward rectifier potassium channel 11 that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q14654] | Homo sapiens (human) |
| Glutamate receptor ionotropic, NMDA 2B | A glutamate receptor ionotropic, NMDA 2B that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13224] | Homo sapiens (human) |
| Glutamate receptor ionotropic, kainate 3 | A glutamate receptor ionotropic, kainate 3 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13003] | Homo sapiens (human) |
| Glutamate receptor ionotropic, kainate 2 | A glutamate receptor ionotropic, kainate 2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13002] | Homo sapiens (human) |
| Potassium voltage-gated channel subfamily A member 1 | A voltage-gated potassium channel subunit KCNA1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q09470] | Homo sapiens (human) |
| G protein-activated inward rectifier potassium channel 1 | A G protein-activated inward rectifier potassium channel 1 that is encoded in the genome of human. [PRO:WCB, UniProtKB:P48549] | Homo sapiens (human) |
| Potassium voltage-gated channel subfamily C member 1 | A voltage-gated potassium channel KCNC1 that is encoded in the genome of human. [PRO:CNA, UniProtKB:P48547] | Homo sapiens (human) |
| Glutamate receptor 4 | A glutamate receptor 4 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P48058] | Homo sapiens (human) |
| Gamma-aminobutyric acid receptor subunit alpha-2 | A gamma-aminobutyric acid receptor subunit alpha-2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P47869] | Homo sapiens (human) |
| 5-hydroxytryptamine receptor 3A | A 5-hydroxytryptamine receptor 3A that is encoded in the genome of human. [PRO:DNx, UniProtKB:P46098] | Homo sapiens (human) |
| Glutamate receptor 3 | A glutamate receptor 3 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P42263] | Homo sapiens (human) |
| Glutamate receptor 1 | A glutamate receptor 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P42261] | Homo sapiens (human) |
| Sodium channel protein type 1 subunit alpha | A sodium channel protein type 1 subunit alpha that is encoded in the genome of human. [PRO:WCB, UniProtKB:P35498] | Homo sapiens (human) |
| Gamma-aminobutyric acid receptor subunit alpha-5 | A gamma-aminobutyric acid receptor subunit alpha-5 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P31644] | Homo sapiens (human) |
| Gamma-aminobutyric acid receptor subunit rho-1 | A gamma-aminobutyric acid receptor subunit rho-1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P24046] | Homo sapiens (human) |
| Glycine receptor subunit alpha-1 | A glycine receptor subunit alpha-1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P23415] | Homo sapiens (human) |
| Potassium voltage-gated channel subfamily A member 4 | A voltage-gated potassium channel alpha subunit KCNA4 that is encoded in the genome of human. [] | Homo sapiens (human) |
| Gamma-aminobutyric acid receptor subunit beta-1 | A gamma-aminobutyric acid receptor subunit beta-1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P18505] | Homo sapiens (human) |
| Potassium voltage-gated channel subfamily A member 2 | A voltage-gated potassium channel subunit KCNA2 that is encoded in the genome of human. [] | Homo sapiens (human) |
| Glutamate receptor ionotropic, NMDA 3B | A glutamate receptor ionotropic, NMDA 3B that is encoded in the genome of human. [PRO:DNx, UniProtKB:O60391] | Homo sapiens (human) |
| Glutamate receptor ionotropic, NMDA 2D | A glutamate receptor ionotropic, NMDA 2D that is encoded in the genome of human. [PRO:DNx, UniProtKB:O15399] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| gamma-aminobutyric acid | gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system. | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
| aminolevulinic acid | 5-aminolevulinic acid : The simplest delta-amino acid in which the hydrogens at the gamma position are replaced by an oxo group. It is metabolised to protoporphyrin IX, a photoactive compound which accumulates in the skin. Used (in the form of the hydrochloride salt)in combination with blue light illumination for the treatment of minimally to moderately thick actinic keratosis of the face or scalp. Aminolevulinic Acid: A compound produced from succinyl-CoA and GLYCINE as an intermediate in heme synthesis. It is used as a PHOTOCHEMOTHERAPY for actinic KERATOSIS. | 4-oxo monocarboxylic acid; amino acid zwitterion; delta-amino acid | antineoplastic agent; dermatologic drug; Escherichia coli metabolite; human metabolite; mouse metabolite; photosensitizing agent; plant metabolite; prodrug; Saccharomyces cerevisiae metabolite |
| 5-aminovaleric acid | 5-aminopentanoic acid : A delta-amino acid comprising pentanoic acid with an amino substituent at C-5; a methylene homologue of gamma-aminobutyric acid (GABA) that is a weak GABA agonist. 5-aminovaleric acid: from red fox anal secretion; RN given refers to parent cpd | amino acid zwitterion; delta-amino acid; omega-amino fatty acid | human metabolite |
| alanylalanine | alanylalanine: RN given refers to (DL)-isomer | dipeptide | |
| glycine | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical | |
| spermine | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent | |
| alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid | alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid: An IBOTENIC ACID homolog and glutamate agonist. The compound is the defining agonist for the AMPA subtype of glutamate receptors (RECEPTORS, AMPA). It has been used as a radionuclide imaging agent but is more commonly used as an experimental tool in cell biological studies. | non-proteinogenic alpha-amino acid | |
| 1-(1-naphthyl)piperazine | 1-(1-naphthyl)piperazine: serotonin agonist; structure given in first source | N-arylpiperazine | |
| 1-(2-methoxyphenyl)piperazine | 1-(2-methoxyphenyl)piperazine: RN given refers to parent cpd | piperazines | |
| 1-(3-chlorophenyl)biguanide | 1-(3-chlorophenyl)biguanide: RN given refers to parent cp; a 5-HT3 receptor agonist | biguanides; monochlorobenzenes | |
| 1-(3-chlorophenyl)piperazine | 1-(3-chlorophenyl)piperazine : A N-arylpiperazine that is piperazine carrying a 3-chlorophenyl substituent at position 1. It is a metabolite of the antidepressant drug trazodone. 1-(3-chlorophenyl)piperazine: supposed metabolite of TRAZODONE; RN given refers to parent cpd; structure | monochlorobenzenes; N-arylpiperazine | drug metabolite; environmental contaminant; serotonergic agonist; xenobiotic |
| 2-methyl-5-ht | 2-methyl-5-HT: M-receptor agonist | tryptamines | serotonergic agonist |
| 4-aminopyridine | aminopyridine; aromatic amine | avicide; orphan drug; potassium channel blocker | |
| phenytoin | imidazolidine-2,4-dione | anticonvulsant; drug allergen; sodium channel blocker; teratogenic agent | |
| methylbufotenin | 5-methoxy-N,N-dimethyltryptamine : A tryptamine alkaloid that is N,N-dimethyltryptamine substituted by a methoxy group at position 5. | aromatic ether; tertiary amino compound; tryptamine alkaloid | hallucinogen; plant metabolite |
| 6,7-dichloroquinoxaline-2,3-dione | quinoxaline derivative | ||
| tacrine | 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. 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. | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
| N-(2-aminoethyl)-5-chloro-1-naphthalenesulfonamide | naphthalenes; sulfonic acid derivative | ||
| alosetron | alosetron : A pyrido[4,3-b]indole compound having a 5-methyl-1H-imidazol-4-ylmethyl group at the 2-position. | imidazoles; pyridoindole | antiemetic; gastrointestinal drug; serotonergic antagonist |
| alprazolam | alprazolam : A member of the class of triazolobenzodiazepines that is 4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine carrying methyl, phenyl and chloro substituents at positions 1, 6 and 8 respectively. Alprazolam is only found in individuals that have taken this drug. Alprazolam: A triazolobenzodiazepine compound with antianxiety and sedative-hypnotic actions, that is efficacious in the treatment of PANIC DISORDERS, with or without AGORAPHOBIA, and in generalized ANXIETY DISORDERS. (From AMA Drug Evaluations Annual, 1994, p238) | organochlorine compound; triazolobenzodiazepine | anticonvulsant; anxiolytic drug; GABA agonist; muscle relaxant; sedative; xenobiotic |
| amantadine | amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
| amiodarone | amiodarone : A member of the class of 1-benzofurans that is 1-benzofuran substituted by a butyl group at position 2 and a 4-[2-(diethylamino)ethoxy]-3,5-diiodobenzoyl group at position 3. It is a cardiovascular drug used for the treatment of cardiac dysrhythmias. Amiodarone: An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance. | 1-benzofurans; aromatic ketone; organoiodine compound; tertiary amino compound | cardiovascular drug |
| amitriptyline | amitriptyline : An organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(dimethylamino)propylidene group at position 5. Amitriptyline: Tricyclic antidepressant with anticholinergic and sedative properties. It appears to prevent the re-uptake of norepinephrine and serotonin at nerve terminals, thus potentiating the action of these neurotransmitters. Amitriptyline also appears to antagonize cholinergic and alpha-1 adrenergic responses to bioactive amines. | carbotricyclic compound; tertiary amine | adrenergic uptake inhibitor; antidepressant; environmental contaminant; tropomyosin-related kinase B receptor agonist; xenobiotic |
| aniracetam | N-acylpyrrolidine; pyrrolidin-2-ones | ||
| arcaine | 1,4-diguanidinobutane : A guanidine derivative consisting of butane having guanidino groups at the 1- and 4-positions. arcaine: RN given refers to parent cpd; structure | guanidines | |
| astemizole | astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects. | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
| baclofen | amino acid zwitterion; gamma-amino acid; monocarboxylic acid; monochlorobenzenes; primary amino compound | central nervous system depressant; GABA agonist; muscle relaxant | |
| 5-methoxypsoralen | 5-methoxypsoralen : A 5-methoxyfurocoumarin that is psoralen substituted by a methoxy group at position 5. 5-Methoxypsoralen: A linear furanocoumarin that has phototoxic and anti-inflammatory properties, with effects similar to METHOXSALEN. It is used in PUVA THERAPY for the treatment of PSORIASIS. | 5-methoxyfurocoumarin; organic heterotricyclic compound; psoralens | hepatoprotective agent; plant metabolite |
| buspirone | 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. 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. | azaspiro compound; N-alkylpiperazine; N-arylpiperazine; organic heteropolycyclic compound; piperidones; pyrimidines | anxiolytic drug; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; sedative; serotonergic agonist |
| cgs 12066 | 4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline : A pyrroloquinoxaline that is pyrrolo[1,2-a]quinoxaline bearing additional 4-methylpiperazin-1-yl and trifluoromethyl substituents at positions 4 and 7 respectively. 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. | N-arylpiperazine; organofluorine compound; pyrroloquinoxaline | serotonergic agonist |
| chlordiazepoxide | chlordiazepoxide : A benzodiazepine that is 3H-1,4-benzodiazepine 4-oxide substituted by a chloro group at position 7, a phenyl group at position 5 and a methylamino group at position 2. Chlordiazepoxide: An anxiolytic benzodiazepine derivative with anticonvulsant, sedative, and amnesic properties. It has also been used in the symptomatic treatment of alcohol withdrawal. | benzodiazepine | |
| chlorpromazine | chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup. | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
| cifenline | diarylmethane | ||
| eucalyptol | |||
| cisapride | cisapride : The amide resulting from formal condensation of 4-amino-5-chloro-2-methoxybenzoic acid with cis-1-[3-(4-fluorophenoxy)propyl]-3-methoxypiperidin-4-amine. It has been used (as its monohydrate or as its tartrate) for the treatment of gastro-oesophageal reflux disease and for non-ulcer dyspepsia, but its propensity to cause cardiac arrhythmias resulted in its complete withdrawal from many countries, including the U.K., and restrictions on its use elsewhere. Cisapride: A substituted benzamide used for its prokinetic properties. It is used in the management of gastroesophageal reflux disease, functional dyspepsia, and other disorders associated with impaired gastrointestinal motility. (Martindale The Extra Pharmacopoeia, 31st ed) | benzamides | |
| clofibric acid | clofibric acid : A monocarboxylic acid that is isobutyric acid substituted at position 2 by a p-chlorophenoxy group. It is a metabolite of the drug clofibrate. Clofibric Acid: An antilipemic agent that is the biologically active metabolite of CLOFIBRATE. | aromatic ether; monocarboxylic acid; monochlorobenzenes | anticholesteremic drug; antilipemic drug; antineoplastic agent; herbicide; marine xenobiotic metabolite; PPARalpha agonist |
| clonazepam | clonazepam : 1,3-Dihydro-2H-1,4-benzodiazepin-2-one in which the hydrogens at positions 5 and 7 are substituted by 2-chlorophenyl and nitro groups, respectively. It is used in the treatment of all types of epilepsy and seizures, as well as myoclonus and associated abnormal movements, and panic disorders. However, its use can be limited by the development of tolerance and by sedation. Clonazepam: An anticonvulsant used for several types of seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. It is seldom effective in generalized tonic-clonic or partial seizures. The mechanism of action appears to involve the enhancement of GAMMA-AMINOBUTYRIC ACID receptor responses. | 1,4-benzodiazepinone; monochlorobenzenes | anticonvulsant; anxiolytic drug; GABA modulator |
| cyclothiazide | cyclothiazide : 3,4-Dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted at positions 3, 5 and 6 by a 2-norbornen-5-yl group, chlorine, and a sulfonamide group, respectively. A thiazide diuretic, it has been used in the management of hypertension and oedema. cyclothiazide: inhibits the desensitization of AMPA-type receptors; structure | benzothiadiazine | antihypertensive agent; diuretic |
| nordazepam | nordazepam : A 1,4-benzodiazepinone having phenyl and chloro substituents at positions 5 and 7 respectively; it has anticonvulsant, anxiolytic, muscle relaxant and sedative properties but is used primarily in the treatment of anxiety. Nordazepam: An intermediate in the metabolism of DIAZEPAM to OXAZEPAM. It may have actions similar to those of diazepam. | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; GABA modulator; human metabolite; sedative |
| racemethorphan | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene : An organic heterotetracyclic compound that is 1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene which is substituted by a methoxy group at position 6 and a methyl group at position 11. | aromatic ether; morphinane alkaloid; morphinane-like compound; organic heterotetracyclic compound | |
| diazepam | 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. 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. | 1,4-benzodiazepinone; organochlorine compound | anticonvulsant; anxiolytic drug; environmental contaminant; sedative; xenobiotic |
| diazoxide | diazoxide : A benzothiadiazine that is the S,S-dioxide of 2H-1,2,4-benzothiadiazine which is substituted at position 3 by a methyl group and at position 7 by chlorine. A peripheral vasodilator, it increases the concentration of glucose in the plasma and inhibits the secretion of insulin by the beta- cells of the pancreas. It is used orally in the management of intractable hypoglycaemia and intravenously in the management of hypertensive emergencies. Diazoxide: A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies. It lacks diuretic effect, apparently because it lacks a sulfonamide group. | benzothiadiazine; organochlorine compound; sulfone | antihypertensive agent; beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; diuretic; K-ATP channel agonist; sodium channel blocker; sympathomimetic agent; vasodilator agent |
| n(6),n(6)-dimethyladenine | N(6),N(6)-dimethyladenine : A tertiary amine that is adenine substituted at N-6 by geminal methyl groups. | tertiary amine | |
| felbamate | felbamate : The bis(carbamate ester) of 2-phenylpropane-1,3-diol. An anticonvulsant, it is used in the treatment of epilepsy. Felbamate: A PEGylated phenylcarbamate derivative that acts as an antagonist of NMDA RECEPTORS. It is used as an anticonvulsant, primarily for the treatment of SEIZURES in severe refractory EPILEPSY. | carbamate ester | anticonvulsant; neuroprotective agent |
| fipronil | 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile : A member of the class of pyrazoles that is 1H-pyrazole that is substituted at positions 1, 3, 4, and 5 by 2,6-dichloro-4-(trifluoromethyl)phenyl, cyano, (trifluoromethyl)sulfinyl, and amino groups, respectively. fipronil : A racemate comprising equimolar amounts of (R)- and (S)-fipronil. fipronil: has low mammalian toxicity; structure given in first source | (trifluoromethyl)benzenes; dichlorobenzene; nitrile; primary amino compound; pyrazoles; sulfoxide | |
| flecainide | flecainide : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid with the primary amino group of piperidin-2-ylmethylamine. An antiarrhythmic agent used (in the form of its acetate salt) to prevent and treat tachyarrhythmia (abnormal fast rhythm of the heart). Flecainide: A potent anti-arrhythmia agent, effective in a wide range of ventricular and atrial ARRHYTHMIAS and TACHYCARDIAS. | aromatic ether; monocarboxylic acid amide; organofluorine compound; piperidines | anti-arrhythmia drug |
| flumazenil | flumazenil : An organic heterotricyclic compound that is 5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine which is substituted at positions 3, 5, 6, and 8 by ethoxycarbonyl, methyl, oxo, and fluoro groups, respectively. It is used as an antidote to benzodiazepine overdose. Flumazenil: A potent benzodiazepine receptor antagonist. Since it reverses the sedative and other actions of benzodiazepines, it has been suggested as an antidote to benzodiazepine overdoses. | ethyl ester; imidazobenzodiazepine; organofluorine compound | antidote to benzodiazepine poisoning; GABA antagonist |
| flunitrazepam | flunitrazepam : A 1,4-benzodiazepinone that is nitrazepam substituted by a methyl group at position 1 and by a fluoro group at position 2'. It is a potent hypnotic, sedative, and amnestic drug used to treat chronic insomnia. Flunitrazepam: A benzodiazepine with pharmacologic actions similar to those of DIAZEPAM that can cause ANTEROGRADE AMNESIA. Some reports indicate that it is used as a date rape drug and suggest that it may precipitate violent behavior. The United States Government has banned the importation of this drug. | 1,4-benzodiazepinone; C-nitro compound; monofluorobenzenes | anxiolytic drug; GABAA receptor agonist; sedative |
| fluoxetine | 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. 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. 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. | (trifluoromethyl)benzenes; aromatic ether; secondary amino compound | |
| fluspirilene | Fluspirilene: A long-acting injectable antipsychotic agent used for chronic schizophrenia. | diarylmethane | |
| gaboxadol | gaboxadol: GABA agonist; inhibitor of GABA uptake systems; structure | oxazole | |
| glyburide | glyburide : An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. Glyburide: An antidiabetic sulfonylurea derivative with actions like those of chlorpropamide | monochlorobenzenes; N-sulfonylurea | anti-arrhythmia drug; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor; hypoglycemic agent |
| granisetron | aromatic amide; indazoles | ||
| haloperidol | haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279) | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
| hydroxyurea | one-carbon compound; ureas | antimetabolite; antimitotic; antineoplastic agent; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; genotoxin; immunomodulator; radical scavenger; teratogenic agent | |
| ifenprodil | ifenprodil: NMDA receptor antagonist | piperidines | |
| imipramine | imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. 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. | dibenzoazepine | adrenergic uptake inhibitor; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
| isoguvacine | isoguvacine: A GABA agonist; RN given refers to parent cpd; structure | tetrahydropyridine | |
| 4-piperidinecarboxylic acid | 4-piperidinecarboxylic acid: structure in first source | ||
| ketamine | ketamine : A member of the class of cyclohexanones in which one of the hydrogens at position 2 is substituted by a 2-chlorophenyl group, while the other is substituted by a methylamino group. Ketamine: A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors. | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
| kynurenic acid | kynurenic acid : A quinolinemonocarboxylic acid that is quinoline-2-carboxylic acid substituted by a hydroxy group at C-4. Kynurenic Acid: A broad-spectrum excitatory amino acid antagonist used as a research tool. | monohydroxyquinoline; quinolinemonocarboxylic acid | G-protein-coupled receptor agonist; human metabolite; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist; Saccharomyces cerevisiae metabolite |
| lamotrigine | 1,2,4-triazines; dichlorobenzene; primary arylamine | anticonvulsant; antidepressant; antimanic drug; calcium channel blocker; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; excitatory amino acid antagonist; geroprotector; non-narcotic analgesic; xenobiotic | |
| mefloquine hydrochloride | [2,8-bis(trifluoromethyl)quinolin-4-yl]-(2-piperidyl)methanol : An organofluorine compound that consists of quinoline bearing trifluoromethyl substituents at positions 2 and 8 as well as a (2-piperidinyl)hydroxymethyl substituent at position 4. | organofluorine compound; piperidines; quinolines; secondary alcohol | |
| memantine | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist | |
| metoclopramide | metoclopramide : A member of the class of benzamides resulting from the formal condensation of 4-amino-5-chloro-2-methoxybenzoic acid with the primary amino group of N,N-diethylethane-1,2-diamine. Metoclopramide: A dopamine D2 antagonist that is used as an antiemetic. | benzamides; monochlorobenzenes; substituted aniline; tertiary amino compound | antiemetic; dopaminergic antagonist; environmental contaminant; gastrointestinal drug; xenobiotic |
| mexiletine | mexiletine : An aromatic ether which is 2,6-dimethylphenyl ether of 2-aminopropan-1-ol. Mexiletine: Antiarrhythmic agent pharmacologically similar to LIDOCAINE. It may have some anticonvulsant properties. | aromatic ether; primary amino compound | anti-arrhythmia drug |
| mianserin | mianserin : A dibenzoazepine (specifically 1,2,3,4,10,14b-hexahydrodibenzo[c,f]pyrazino[1,2-a]azepine) methyl-substituted on N-2. Closely related to (and now mostly superseded by) the tetracyclic antidepressant mirtazapinean, it is an atypical antidepressant used in the treatment of depression throughout Europe and elsewhere. Mianserin: A tetracyclic compound with antidepressant effects. It may cause drowsiness and hematological problems. Its mechanism of therapeutic action is not well understood, although it apparently blocks alpha-adrenergic, histamine H1, and some types of serotonin receptors. | dibenzoazepine | adrenergic uptake inhibitor; alpha-adrenergic antagonist; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; geroprotector; H1-receptor antagonist; histamine agonist; sedative; serotonergic antagonist |
| mirtazapine | Mirtazapine: A piperazinoazepine tetracyclic compound that enhances the release of NOREPINEPHRINE and SEROTONIN through blockage of presynaptic ALPHA-2 ADRENERGIC RECEPTORS. It also blocks both 5-HT2 and 5-HT3 serotonin receptors and is a potent HISTAMINE H1 RECEPTOR antagonist. It is used for the treatment of depression, and may also be useful for the treatment of anxiety disorders. | benzazepine; tetracyclic antidepressant | alpha-adrenergic antagonist; anxiolytic drug; H1-receptor antagonist; histamine antagonist; oneirogen; serotonergic antagonist |
| muscimol | muscimol : A member of the class of isoxazoles that is 1,2-oxazol-3(2H)-one substituted by an aminomethyl group at position 5. It has been isolated from mushrooms of the genus Amanita. Muscimol: A neurotoxic isoxazole isolated from species of AMANITA. It is obtained by decarboxylation of IBOTENIC ACID. Muscimol is a potent agonist of GABA-A RECEPTORS and is used mainly as an experimental tool in animal and tissue studies. | alkaloid; isoxazoles; primary amino compound | fungal metabolite; GABA agonist; oneirogen; psychotropic drug |
| 1-(3-trifluoromethylphenyl)piperazine | 1-(3-(trifluoromethyl)phenyl)piperazine : A N-arylpiperazine that is piperazine substituted by a 3-(trifluoromethyl)phenyl group at position 1. A serotonergic agonist used as a recreational drug. 1-(3-trifluoromethylphenyl)piperazine: acts as serotonin agonist; structure | (trifluoromethyl)benzenes; N-arylpiperazine | environmental contaminant; psychotropic drug; serotonergic agonist; xenobiotic |
| nifedipine | Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
| nitrazepam | nitrazepam : A 1,4-benzodiazepinone that is 1,3-dihydro-2H-1,4-benzodiazepin-2-one which is substituted at positions 5 and 7 by phenyl and nitro groups, respectively. It is used as a hypnotic for the short-term management of insomnia and for the treatment of epileptic spasms in infants (West's syndrome). Nitrazepam: A benzodiazepine derivative used as an anticonvulsant and hypnotic. | 1,4-benzodiazepinone; C-nitro compound | anticonvulsant; antispasmodic drug; drug metabolite; GABA modulator; sedative |
| nitrendipine | nitrendipine : A dihydropyridine that is 1,4-dihydropyridine substituted by methyl groups at positions 2 and 6, a 3-nitrophenyl group at position 4, a ethoxycarbonyl group at position 3 and a methoxycarbonyl group at position 5. It is a calcium-channel blocker used in the treatment of hypertension. Nitrendipine: A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium retentive. | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; ethyl ester; methyl ester | antihypertensive agent; calcium channel blocker; geroprotector; vasodilator agent |
| cm 7116 | norflutoprazepam: structure | benzodiazepine | |
| octopamine | octopamine : A member of the class of phenylethanolamines that is phenol which is substituted at the para- position by a 2-amino-1-hydroxyethyl group. A biogenic phenylethanolamine which has been found to act as a neurotransmitter, neurohormone or neuromodulator in invertebrates. Octopamine: An alpha-adrenergic sympathomimetic amine, biosynthesized from tyramine in the CNS and platelets and also in invertebrate nervous systems. It is used to treat hypotension and as a cardiotonic. The natural D(-) form is more potent than the L(+) form in producing cardiovascular adrenergic responses. It is also a neurotransmitter in some invertebrates. | phenylethanolamines; tyramines | neurotransmitter |
| ondansetron | Ondansetron: A competitive serotonin type 3 receptor antagonist. It is effective in the treatment of nausea and vomiting caused by cytotoxic chemotherapy drugs, including cisplatin, and has reported anxiolytic and neuroleptic properties. | carbazoles | |
| orphenadrine | orphenadrine : A tertiary amino compound which is the phenyl-o-tolylmethyl ether of 2-(dimethylamino)ethanol. Orphenadrine: A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm. | ether; tertiary amino compound | antidyskinesia agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist; muscle relaxant; NMDA receptor antagonist; parasympatholytic |
| pentobarbital | pentobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and sec-pentyl groups. Pentobarbital: A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236) | barbiturates | GABAA receptor agonist |
| phenobarbital | phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations. | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
| phenyl biguanide | 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. phenyl biguanide: RN given refers to parent cpd | guanidines | central nervous system drug |
| piperidine-4-sulfonic acid | piperidine-4-sulfonic acid: specific GABA agonist | ||
| procyclidine | procyclidine : A tertiary alcohol that consists of propan-1-ol substituted by a cyclohexyl and a phenyl group at position 1 and a pyrrolidin-1-yl group at position 3. Procyclidine: A muscarinic antagonist that crosses the blood-brain barrier and is used in the treatment of drug-induced extrapyramidal disorders and in parkinsonism. | pyrrolidines; tertiary alcohol | antidyskinesia agent; antiparkinson drug; muscarinic antagonist |
| propafenone | propafenone : An aromatic ketone that is 3-(propylamino)propane-1,2-diol in which the hydrogen of the primary hydroxy group is replaced by a 2-(3-phenylpropanoyl)phenyl group. It is a class 1C antiarrhythmic drug with local anesthetic effects, and is used as the hydrochloride salt in the management of supraventricular and ventricular arrhythmias. Propafenone: An antiarrhythmia agent that is particularly effective in ventricular arrhythmias. It also has weak beta-blocking activity. | aromatic ketone; secondary alcohol; secondary amino compound | anti-arrhythmia drug |
| propofol | propofol : A phenol resulting from the formal substitution of the hydrogen at the 2 position of 1,3-diisopropylbenzene by a hydroxy group. Propofol: An intravenous anesthetic agent which has the advantage of a very rapid onset after infusion or bolus injection plus a very short recovery period of a couple of minutes. (From Smith and Reynard, Textbook of Pharmacology, 1992, 1st ed, p206). Propofol has been used as ANTICONVULSANTS and ANTIEMETICS. | phenols | anticonvulsant; antiemetic; intravenous anaesthetic; radical scavenger; sedative |
| 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. | piperazines; pyridines | |
| 6-nitroquipazine | 6-nitroquipazine: structure given in first source | nitro compound; quinolines | |
| n-methylquipazine | 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. N-methylquipazine: structure in first source | aminoquinoline; N-alkylpiperazine; N-arylpiperazine | serotonergic agonist |
| risperidone | 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. 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. | 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 |
| rizatriptan | rizatriptan: structure given in first source; RN given refers to benzoate | tryptamines | anti-inflammatory drug; serotonergic agonist; vasoconstrictor agent |
| ro 15-4513 | Ro 15-4513: a partial inverse agonist of benzodiazepine receptors | organic heterotricyclic compound; organonitrogen heterocyclic compound | |
| sdz 205-557 | methoxybenzoic acid | ||
| sk&f 97541 | 3-aminopropyl(methyl)phosphinic acid: structure given in first source; GABA-A receptor antagonist | ||
| sumatriptan | sumatriptan : A sulfonamide that consists of N,N-dimethyltryptamine bearing an additional (N-methylsulfamoyl)methyl substituent at position 5. Selective agonist for a vascular 5-HT1 receptor subtype (probably a member of the 5-HT1D family). Used (in the form of its succinate salt) for the acute treatment of migraine with or without aura in adults. Sumatriptan: A serotonin agonist that acts selectively at 5HT1 receptors. It is used in the treatment of MIGRAINE DISORDERS. | sulfonamide; tryptamines | serotonergic agonist; vasoconstrictor agent |
| temazepam | Temazepam: A benzodiazepine that acts as a GAMMA-AMINOBUTYRIC ACID modulator and anti-anxiety agent. | benzodiazepine | |
| tetraethylammonium | Tetraethylammonium: A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90) | quaternary ammonium ion | |
| (1,2,5,6-tetrahydropyridin-4-yl)methylphosphinic acid | (1,2,5,6-tetrahydropyridin-4-yl)methylphosphinic acid: a GABA-C receptor antagonist; structure in first source | ||
| triazolam | Triazolam: A short-acting benzodiazepine used in the treatment of insomnia. Some countries temporarily withdrew triazolam from the market because of concerns about adverse reactions, mostly psychological, associated with higher dose ranges. Its use at lower doses with appropriate care and labeling has been reaffirmed by the FDA and most other countries. | triazolobenzodiazepine | sedative |
| troglitazone | Troglitazone: A chroman and thiazolidinedione derivative that acts as a PEROXISOME PROLIFERATOR-ACTIVATED RECEPTORS (PPAR) agonist. It was formerly used in the treatment of TYPE 2 DIABETES MELLITUS, but has been withdrawn due to hepatotoxicity. | chromanes; thiazolidinone | anticoagulant; anticonvulsant; antineoplastic agent; antioxidant; EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; hypoglycemic agent; platelet aggregation inhibitor; vasodilator agent |
| tyramine | monoamine molecular messenger; primary amino compound; tyramines | EC 3.1.1.8 (cholinesterase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter | |
| vigabatrin | gamma-amino acid | anticonvulsant; EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor | |
| zaleplon | zaleplon : A pyrazolo[1,5-a]pyrimidine having a nitrile group at position 3 and a 3-(N-ethylacetamido)phenyl substituent at the 7-position. zaleplon: an azabicyclo(4.3.0)nonane; a nonbenzodiazepine; one of the so-called of Z drugs (zopiclone, eszopiclone, zolpidem, and zaleplon) for which there is some correlation with tumors; a hypnotic with less marked effect on psychomotor functions compared to lorazepam | nitrile; pyrazolopyrimidine | anticonvulsant; anxiolytic drug; central nervous system depressant; sedative |
| zolpidem | zolpidem : An imidazo[1,2-a]pyridine compound having a 4-tolyl group at the 2-position, an N,N-dimethylcarbamoylmethyl group at the 3-position and a methyl substituent at the 6-position. Zolpidem: An imidazopyridine derivative and short-acting GABA-A receptor agonist that is used for the treatment of INSOMNIA. | imidazopyridine | central nervous system depressant; GABA agonist; sedative |
| 6-methylthiopurine | 6-methylthiopurine : A thiopurine that is 9H-purine substituted by a methylsulfanyl group at position 6. | thiopurine | |
| triiodothyronine | 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3. | 2-halophenol; amino acid zwitterion; iodophenol; iodothyronine | human metabolite; mouse metabolite; thyroid hormone |
| phencyclidine | phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust. | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
| linalool | linalool : A monoterpenoid that is octa-1,6-diene substituted by methyl groups at positions 3 and 7 and a hydroxy group at position 3. It has been isolated from plants like Ocimum canum. linalool: RN given refers to parent cpd without isomeric designation; structure | monoterpenoid; tertiary alcohol | antimicrobial agent; fragrance; plant metabolite; volatile oil component |
| phenylpiperazine | phenylpiperazine: RN given refers to parent cpd | ||
| indopan | alpha-methyltryptamine : A tryptamine derivative having a methyl substituent at the alpha-position. indopan: RN given refers to parent cpd without isomeric designation | tryptamines | |
| naphthazarin | naphthazarin : A naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 5 and 8 are replaced by hydroxy groups. naphthazarin: fish toxin; isolated for first time from the walnut onigurmi, Juglans mandshurica maxim var. Sieboldiana Makino; structure | hydroxy-1,4-naphthoquinone | acaricide; antibacterial agent; antineoplastic agent; apoptosis inducer; geroprotector; plant metabolite |
| bicuculline | 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. Bicuculline: An isoquinoline alkaloid obtained from Dicentra cucullaria and other plants. It is a competitive antagonist for GABA-A receptors. | benzylisoquinoline alkaloid; isoquinoline alkaloid; isoquinolines | agrochemical; central nervous system stimulant; GABA-gated chloride channel antagonist; GABAA receptor antagonist; neurotoxin |
| kainic acid | Kainic Acid: (2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose. | dicarboxylic acid; L-proline derivative; non-proteinogenic L-alpha-amino acid; pyrrolidinecarboxylic acid | antinematodal drug; excitatory amino acid agonist |
| flavone | flavone : The simplest member of the class of flavones that consists of 4H-chromen-4-one bearing a phenyl substituent at position 2. flavone: RN given refers to unlabeled cpd; structure given in first source | flavones | metabolite; nematicide |
| amanozine | diamino-1,3,5-triazine | ||
| glycylglycine | dipeptide; dipeptide zwitterion | human metabolite | |
| 4-amino-3-phenylbutyric acid | 4-amino-3-phenylbutyric acid: phenyl deriv of GABA; RN given refers to cpd without isomeric designation; structure | organonitrogen compound; organooxygen compound | |
| dronabinol | Delta(9)-tetrahydrocannabinol : A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. The principal psychoactive constituent of the cannabis plant, it is used for treatment of anorexia associated with AIDS as well as nausea and vomiting associated with cancer chemotherapy. Dronabinol: A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer delta-9-tetrahydrocannabinol (THC) is considered the most active form, producing characteristic mood and perceptual changes associated with this compound. | benzochromene; diterpenoid; phytocannabinoid; polyketide | cannabinoid receptor agonist; epitope; hallucinogen; metabolite; non-narcotic analgesic |
| phenylguanidine | phenylguanidine: RN given refers to parent cpd | ||
| pimozide | pimozide : A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one in which one of the nitrogens is substituted by a piperidin-4-yl group, which in turn is substituted on the nitrogen by a 4,4-bis(p-fluorophenyl)butyl group. Pimozide: A diphenylbutylpiperidine that is effective as an antipsychotic agent and as an alternative to HALOPERIDOL for the suppression of vocal and motor tics in patients with Tourette syndrome. Although the precise mechanism of action is unknown, blockade of postsynaptic dopamine receptors has been postulated. (From AMA Drug Evaluations Annual, 1994, p403) | benzimidazoles; heteroarylpiperidine; organofluorine compound | antidyskinesia agent; dopaminergic antagonist; first generation antipsychotic; H1-receptor antagonist; serotonergic antagonist |
| chlordesmethyldiazepam | benzodiazepine | ||
| 6-aminonicotinic acid | 6-aminonicotinic acid : An aminonicotinic acid in which the amino group is situated at position 6 of the pyridine ring. 6-aminonicotinic acid: RN given refers to parent cpd | aminonicotinic acid; aminopyridine; aromatic amine | metabolite |
| 4-chlorophenylbiguanide | |||
| mexiletine hydrochloride | mexiletine hydrochloride : A hydrochloride composed of equimolar amounts of mexiletine and hydrogen chloride. | hydrochloride | anti-arrhythmia drug |
| 2,3-dihydroxyquinoxaline | 2,3-dihydroxyquinoxaline: fluorescent oxalic acid deriv. | ||
| metergoline | 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. Metergoline: A dopamine agonist and serotonin antagonist. It has been used similarly to BROMOCRIPTINE as a dopamine agonist and also for MIGRAINE DISORDERS therapy. | carbamate ester; ergoline alkaloid | dopamine agonist; geroprotector; serotonergic antagonist |
| halazepam | halazepam: structure | organic molecular entity | |
| glutamic acid | glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM. | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
| bezafibrate | aromatic ether; monocarboxylic acid; monocarboxylic acid amide; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic | |
| diltiazem | diltiazem : A 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate in which both stereocentres have S configuration. A calcium-channel blocker and vasodilator, it is used as the hydrochloride in the management of angina pectoris and hypertension. Diltiazem: A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions. | 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate | antihypertensive agent; calcium channel blocker; vasodilator agent |
| phenazepam | |||
| n-cyano-n'-(1,1-dimethylpropyl)-n''-(3-pyridinyl)guanidine | N-cyano-N'-(1,1-dimethylpropyl)-N''-(3-pyridinyl)guanidine: potassium channel opener | pyridines | |
| progabide | progabide: GABA agonist; structure | diarylmethane | |
| Arbaclofen | organonitrogen compound; organooxygen compound | ||
| sertindole | sertindole : A phenylindole that is 1H-indole which is substituted on the nitrogen by a p-chlorophenyl group, at position 5 by chlorine, and at position 3 by a piperidin-4-yl group, which is itself substituted on the nitrogen by a 2-(2-oxoimidazolidin-1-yl)ethyl group. | heteroarylpiperidine; imidazolidinone; organochlorine compound; organofluorine compound; phenylindole | alpha-adrenergic antagonist; H1-receptor antagonist; second generation antipsychotic; serotonergic antagonist |
| adapalene | adapalene : A naphthoic acid that is CD437 in which the phenolic hydroxy group has been converted to its methyl ether. Adapalene: A naphthalene derivative that has specificity for RETINOIC ACID RECEPTORS. It is used as a DERMATOLOGIC AGENT for the treatment of ACNE. | adamantanes; monocarboxylic acid; naphthoic acid | dermatologic drug; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor; non-steroidal anti-inflammatory drug |
| mibefradil | Mibefradil: A benzimidazoyl-substituted tetraline that selectively binds and inhibits CALCIUM CHANNELS, T-TYPE. | tetralins | T-type calcium channel blocker |
| eliprodil | 1-(4-chlorophenyl)-2-[4-(4-fluorobenzyl)piperidin-1-yl]ethanol : A member of the class of piperidines that is piperidine substituted by a 2-(4-chlorophenyl)-2-hydroxyethyl group at position 1 and by a 4-fluorobenzyl group at position 4. | monochlorobenzenes; monofluorobenzenes; piperidines; secondary alcohol; tertiary amino compound | |
| aripiprazole | aripiprazole : An N-arylpiperazine that is piperazine substituted by a 4-[(2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy]butyl group at position 1 and by a 2,3-dichlorophenyl group at position 4. It is an antipsychotic drug used for the treatment of Schizophrenia, and other mood disorders. Aripiprazole: A piperazine and quinolone derivative that is used primarily as an antipsychotic agent. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A. It is used for the treatment of SCHIZOPHRENIA and BIPOLAR DISORDER, and as an adjunct therapy for the treatment of depression. | aromatic ether; delta-lactam; dichlorobenzene; N-alkylpiperazine; N-arylpiperazine; quinolone | drug metabolite; H1-receptor antagonist; second generation antipsychotic; serotonergic agonist |
| duloxetine | duloxetine | ||
| ziprasidone | ziprasidone : A piperazine compound having 1,2-benzothiazol-3-yl- and 2-(6-chloro-1,3-dihydro-2-oxindol-5-yl)ethyl substituents attached to the nitrogen atoms. ziprasidone: a benzisothiazoylpiperazine derivative; has combined dopamine and serotonin receptor antagonist activity; structurally related to tiospirone | 1,2-benzisothiazole; indolones; organochlorine compound; piperazines | antipsychotic agent; dopaminergic antagonist; histamine antagonist; muscarinic antagonist; psychotropic drug; serotonergic antagonist |
| fenofibric acid | fenofibric acid : A monocarboxylic acid that is 2-methylpropanoic acid substituted by a 4-(4-chlorobenzoyl)phenoxy group at position 2. It is a metabolite of the drug fenofibrate. fenofibric acid: RN given refers to parent cpd without isomeric designation; structure | aromatic ketone; chlorobenzophenone; monocarboxylic acid | drug metabolite; marine xenobiotic metabolite |
| norharman | 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. norharman: RN given refers to parent cpd | beta-carbolines; mancude organic heterotricyclic parent | fungal metabolite; marine metabolite |
| baicalin | dihydroxyflavone; glucosiduronic acid; glycosyloxyflavone; monosaccharide derivative | antiatherosclerotic agent; antibacterial agent; anticoronaviral agent; antineoplastic agent; antioxidant; cardioprotective agent; EC 2.7.7.48 (RNA-directed RNA polymerase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; ferroptosis inhibitor; neuroprotective agent; non-steroidal anti-inflammatory drug; plant metabolite; prodrug | |
| 25-hydroxycholesterol | 25-hydroxy steroid; oxysterol | human metabolite | |
| tedisamil | tedisamil : A member of the class of diazabicyclononanes that is (1s,5s)-3,7-diazaspiro[bicyclo[3.3.1]nonane-9,1'-cyclopentane] in which the hydrogens at positions 3 and 7 are replaced by cyclopropylmethyl groups. It is a potassium channel blocker and an antiarrhythmic agent currently currently in development for the treatment of atrial fibrillation. | ||
| abecarnil | |||
| lerisetron | |||
| telmisartan | telmisartan : A member of the class of benzimidazoles used widely in the treatment of hypertension. Telmisartan: A biphenyl compound and benzimidazole derivative that acts as an angiotensin II type 1 receptor antagonist. It is used in the management of HYPERTENSION. | benzimidazoles; biphenyls; carboxybiphenyl | angiotensin receptor antagonist; antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; environmental contaminant; xenobiotic |
| selfotel | selfotel: a N-methyl-D-aspartate (NMDA) antagonist; used to treat stroke-induced impairment | non-proteinogenic alpha-amino acid | |
| budipine | budipine: RN given refers to parent cpd; structure in Negwer, 5th ed, #6541 | diarylmethane | |
| 4-phenylpiperidine | |||
| cromakalim | Cromakalim: A potassium-channel opening vasodilator that has been investigated in the management of hypertension. It has also been tried in patients with asthma. (Martindale, The Extra Pharmacopoeia, 30th ed, p352) | ||
| uk 68798 | aromatic ether; sulfonamide; tertiary amino compound | anti-arrhythmia drug; potassium channel blocker | |
| honokiol | biphenyls | ||
| 2-aminonicotinic acid | 2-aminonicotinic acid : An aminonicotinic acid in which the amino group is situated at position 2 of the pyridine ring. 2-aminonicotinic acid: structure in first source aminonicotinic acid : An aromatic amino acid that is nicotinic acid in which one of the hydrogens attached to the pyridine ring is replaced by an amino group. A 'closed class'. | aminonicotinic acid; aminopyridine | metabolite |
| n-desmethylflunitrazepam | |||
| rosiglitazone | aminopyridine; thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; insulin-sensitizing drug | |
| 7-aminonitrazepam | 7-aminonitrazepam: urinary metabolite of nitrazepam | benzodiazepine | |
| 6,7-dichloroquinoxaline-2,3-dione | |||
| leucyl-alanine | Leu-Ala : A dipeptide composed of L-leucine and L-alanine joined by a peptide linkage. | dipeptide | metabolite |
| alanylproline | alanylproline: RN given refers to all (L)-isomer | dipeptide; dipeptide zwitterion | metabolite |
| nicotine | (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug; biomarker; immunomodulator; mitogen; neurotoxin; nicotinic acetylcholine receptor agonist; peripheral nervous system drug; phytogenic insecticide; plant metabolite; psychotropic drug; teratogenic agent; xenobiotic |
| ro 20-1815 | 7-aminoflunitrazepam: flunitrazepam metabolite; structure given in first source | benzodiazepine | |
| brexanolone | brexanolone : A 3-hydroxy-5alpha-pregnan-20-one in which the hydroxy group at position 3 has alpha-configuration. It is a metabolite of the sex hormone progesterone and used for the treatment of postpartum depression in women. brexanolone: a mixture of allopregnanolone and sulfobutylether‐beta‐cyclodextrin for treatment of postpartum depression | 3-hydroxy-5alpha-pregnan-20-one | antidepressant; GABA modulator; human metabolite; intravenous anaesthetic; sedative |
| glycylleucine | Gly-Leu : A dipeptide composed of glycine and L-leucine joined by a peptide linkage. | dipeptide; dipeptide zwitterion | metabolite |
| alanyltyrosine | Ala-Tyr : A dipeptide composed of L-alanine and L-tyrosine joined by a peptide linkage. alanyltyrosine: tyrosine source; RN given refers to (L)-isomer | dipeptide | metabolite |
| glycylsarcosine | glycylsarcosine : A dipeptide obtained by formal condensation of the carboxy group of glycine with the amino group of sarcosine. | dipeptide; dipeptide zwitterion | |
| sym 2081 | |||
| imidazoleacetic acid | imidazol-4-ylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by an imidazol-4-yl group. imidazol-5-ylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by an imidazol-5-yl group. imidazoleacetic acid: RN given refers to cpd without specific location of acetic acid attachment identified; structure | imidazoles; monocarboxylic acid | metabolite; mouse metabolite |
| glycylaspartic acid | glycylaspartic acid: RN given refers to (L)-isomer | dipeptide | metabolite |
| 1-(4-chlorophenyl)piperazine | 1-(4-chlorophenyl)piperazine: increases serotonin & decreases 5-hydroxyindoleacetic acid concentration in rat brain 6 hours after administration; RN given refers to parent cpd | ||
| 3-aminopropylphosphonic acid | (3-aminopropyl)phosphonic acid : A phosphonic acid in which the hydrogen attached to the phosphorus of phosphonic acid is substituted by a 3-aminopropyl group. It is a partial agonist of GABAB receptors. 3-aminopropylphosphonic acid: RN given refers to parent cpd; structure | phosphonic acids; primary amino compound; zwitterion | GABAB receptor agonist |
| 2,5-dihydro-2-(4-methoxyphenyl)-3h-pyrazolo(4,3-c)quinolin-3-one | |||
| histidinoalanine | histidinoalanine: cross-linking amino acid in calcified tissue collagen; RN given refers to (L)-isomer | dipeptide; dipeptide zwitterion | metabolite |
| alphaxalone | alphaxalone: RN given refers to (3alpha,5alpha)-isomer; structure | corticosteroid hormone | |
| methyl 6,7-dimethoxy-4-ethyl-beta-carboline-3-carboxylate | methyl 6,7-dimethoxy-4-ethyl-beta-carboline-3-carboxylate: structure given in first source | beta-carbolines | |
| pregnenolone sulfate | pregnenolone sulfate: RN given refers to (3 beta)-isomer | steroid sulfate | EC 2.7.1.33 (pantothenate kinase) inhibitor; human metabolite |
| 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 | beta-carbolines | |
| beta-carboline-3-carboxylic acid methyl ester | beta-carboline-3-carboxylic acid methyl ester: structure given in first source | beta-carbolines | |
| gr 127935 | GR 127935 : A member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid and the anilino group of 4-methoxy-3-(4-methylpiperazin-1-yl)aniline. Potent and selective 5-HT1B/1D receptor antagonist (pKi values are 8.5 for both guinea pig 5-HT1D and rat 5-HT1B receptors). Displays > 100-fold selectivity over 5HT1A, 5-HT2A, 5-HT2C receptors and other receptor types. Centrally active following oral administration. GR 127935: a 5-HT 1D receptor antagonist | 1,2,4-oxadiazole; benzamides; N-alkylpiperazine; N-arylpiperazine | |
| sr 95531 | methoxybenzenes | ||
| bretazenil | bretazenil: RN given for (S) isomer | ||
| cl 218872 | CL 218872: shows specific action on benzodiazepine receptors; structure | pyridazines; ring assembly | |
| ramosetron | indoles | ||
| zacopride | benzamides | ||
| ro 15-3505 | |||
| zk 93426 | ZK 93426: GABA-A receptor antag | beta-carbolines | |
| gr 113808 | GR 113808 : An indolyl carboxylate ester obtained by formal condensation between the carboxy group of 1-methylindole-3-carboxylic acid with the hydroxy group of N-{2-[4-(hydroxymethyl)piperidin-1-yl]ethyl}methanesulfonamide. GR 113808: structure given in first source; a 5-HT(4) receptor antagonist: GR 125487 is the HCl salt | indolyl carboxylate ester; piperidines; sulfonamide | serotonergic antagonist |
| pramipexole | pramipexole : A member of the class of benzothiazoles that is 4,5,6,7-tetrahydro-1,3-benzothiazole in which the hydrogens at the 2 and 6-pro-S-positions are substituted by amino and propylamino groups, respectively. Pramipexole: A benzothiazole derivative and dopamine agonist with antioxidant properties that is used in the treatment of PARKINSON DISEASE and RESTLESS LEGS SYNDROME. | benzothiazoles; diamine | antidyskinesia agent; antiparkinson drug; dopamine agonist; radical scavenger |
| jstx-3 | JSTX-3: structure in first source | N-acyl-amino acid | |
| sb 204070a | |||
| zk 93423 | beta-carbolines | ||
| 24-hydroxycholesterol | (24S)-24-hydroxycholesterol : A 24-hydroxycholesterol that has S configuration at position 24. It is the major metabolic breakdown product of cholesterol in the brain. | 24-hydroxycholesterol | biomarker; human blood serum metabolite; mouse metabolite |
| argiotoxin-636 | argiotoxin-636: from the venom of Argiope aurantia; blocks neuromuscular transmission in insects; structure in first source. | N-acyl-amino acid | |
| 3-ethoxy-beta-carboline | 3-ethoxy-beta-carboline: high affinity benzodiazepine receptor ligand with partial inverse agonist properties | ||
| tert-butyl beta-carboline-3-carboxylate | tert-butyl beta-carboline-3-carboxylate: benzodiazepine receptor antagonist | ||
| 2-amino-3-(3-(carboxymethoxy)-5-methylisoxazol-4-yl)propionic acid | 2-amino-3-(3-(carboxymethoxy)-5-methylisoxazol-4-yl)propionic acid: glutamate receptor antagonist; protects against kainic acid neurotoxicity in cultured cerebral cortex neurons | ||
| 4-amino-3-(5-chloro-2-thienyl)butyric acid | 4-amino-3-(5-chloro-2-thienyl)butyric acid: binds GABA receptors; RN & structure given in first source | ||
| 5-fluorowillardiine | 3-(5-fluorouracil-1-yl)-L-alanine : An alanine derivative that is L-alanine bearing a 5-fluorouracil-1-yl substituent at position 3. A more potent and selective AMPA receptor agonist (at hGluR1 and hGluR2) than AMPA itself (Ki = 14.7, 25.1, and 1820 nM for hGluR1, hGluR2 and hGluR5 respectively). 5-fluorowillardiine: a glutamate agonist; RN given for (S)-isomer | L-alanine derivative; non-proteinogenic L-alpha-amino acid; organofluorine compound | AMPA receptor agonist |
| gyki 53655 | GYKI 53655: an AMPA (alpha-amino-3-hydroxy-5-methylisoxazole-4-propionate) receptor antagonist | ||
| ro 14-7437 | Ro 14-7437: benzodiazepine antag; no other info available 8/16/83 | ||
| 3',6-dinitroflavone | |||
| ly 293558 | tezampanel: structure given in first source; an AMPA receptor antagonist | ||
| alpha-ethyl, alpha-methyl-thiobutyrolactone | tetrahydrothiophenes | ||
| alanylglutamic acid | alanylglutamic acid: RN given refers to (L)-isomer L-alanyl-L-glutamic acid : A dipeptide consisting of L-glutamic acid having an L-alanyl attached to its alpha-amino group | dipeptide | |
| l 663581 | L 663581: structure given in first source; partial agonist at the benzodiazepine receptor | ||
| cgp 36742 | (3-aminopropyl)(n-butyl)phosphinic acid: interacts preferably with GABA-B RECEPTORS (IC50=38 μM) and GABA-C receptors (IC50=62 μM) over GABA-A RECEPTORS (IC50=508 μM) | ||
| alpha-isopropyl-alpha-methyl-gamma-butyrolactone | alpha-isopropyl-alpha-methyl-gamma-butyrolactone: structure given in first source; picrotoxin receptor antagonist | ||
| sr 57227a | dialkylarylamine; tertiary amino compound | ||
| sc 53116 | SC 53116: serotonin agonist; pyrrolizidine cpd but not alkaloid; structure given in first source | ||
| n-methylpiperidin-4-yl propionate | |||
| pitrazepin | pitrazepin: effects are not tissue specific; induced a bursting discharge pattern in cultures derived from hippocampus & hypothalamus; structure given in first source | N-arylpiperazine | |
| bdp 12 | 1-(quinoxalin-6-ylcarbonyl)piperidine: modulates AMPA receptor desensitization ; an analog of 1-(1,3-benzodioxol-5-ylcarbonyl)piperidine | N-acylpiperidine | |
| mk 767 | 5-((2,4-dioxo-5-thiazolidinyl)methyl)-2-methoxy-N-((4-(trifluoromethyl)phenyl)methyl)benzamide: an antihyperlipidemic agent that also functions as an insulin sensitizer, PPARalpha agonist, and PPARgamma agonist; structure in first source | ||
| prolyl-tyrosine | Pro-Tyr : A dipeptide formed from L-proline and L-tyrosine residues. prolyl-tyrosine: structure given in first source | dipeptide | metabolite |
| pumosetrag | Pumosetrag: a 5-HT3 receptor agonist MKC-733 on upper gastrointestinal motility in human | ||
| besonprodil | besonprodil: CI-1041 is also known as PD19680; NMDA receptor antagonist for treatment of Parkinson's disease; structure in first source | ||
| cinacalcet | cinacalcet : A secondary amino compound that is (1R)-1-(naphthalen-1-yl)ethanamine in which one of the hydrogens attached to the nitrogen is substituted by a 3-[3-(trifluoromethyl)phenyl]propyl group. | (trifluoromethyl)benzenes; naphthalenes; secondary amino compound | calcimimetic; P450 inhibitor |
| alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid | |||
| harmalan | harmalan: structure given in first source | harmala alkaloid | |
| 5-bromowillardiine | 5-bromowillardiine: acts as a kainate-like agonist on chick EAA receptors expressed in Xenopus oocytes; RN given refers to (S)-isomer; RN for cpd without isomeric designation not avail 5/91 | ||
| piboserod | Serotonin 5-HT4 Receptor Antagonists: Drugs that bind to but do not activate SEROTONIN 5-HT4 RECEPTORS, thereby blocking the actions of SEROTONIN or SEROTONIN RECEPTOR AGONISTS. | ||
| zeneca zd 6169 | Zeneca ZD 6169: an ATP-sensitive potassium channel opener; structure given in first source | ||
| dizocilpine | secondary amino compound; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist | |
| nantenine, (+-)-isomer | |||
| rs 23597-190 | methoxybenzoic acid | ||
| 7-aminoclonazepam | benzodiazepine | ||
| ngd 94-1 | NGD 94-1: D(4) receptor antagonist; structure in first source | ||
| zg 63 | ZG 63: structure given in first source; a high affinity ligand for diazepam-insensitive benzodiazepine receptors | ||
| cns 5161 | CNS 5161: structure in first source | ||
| ro 5-3438 | Ro 5-3438: structure | ||
| prolylglutamic acid | Pro-Glu : A dipeptide formed from L-proline and L-glutamic acid residues. | dipeptide | metabolite |
| senicapoc | senicapoc: a Gardos channel blocker; structure in first source | ||
| cp 101,606 | traxoprodil mesylate: a selective NMDA antagonist; structure given in first source | ||
| cortisone | 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 | |
| 1-(4-methoxyphenyl)piperazine | 1-(4-methoxyphenyl)piperazine: a designer drug; structure in first source | ||
| 1-methyl-6-methoxy-dihydro-beta-carboline | |||
| cysteinylglycine | cysteinylglycine: RN given refers to (L)-isomer; RN for cpd without isomeric designation not in Chemlne 7/13/83 L-cysteinylglycine : A dipeptide consisting of glycine having an L-cysteinyl attached to its alpha-amino group. It is an intermediate metabolite in glutathione metabolism. | dipeptide; dipeptide zwitterion | Escherichia coli metabolite; human metabolite; Saccharomyces cerevisiae metabolite |
| willardiine | 3-(uracil-1-yl)-L-alanine : The 3-(uracil-1-yl) derivative of L-alanine. willardiine: isolated from seeds of Acacia willariana; structure | amino acid zwitterion; L-alanine derivative; non-proteinogenic L-alpha-amino acid | |
| strychnine | strychnine : A monoterpenoid indole alkaloid that is strychnidine bearing a keto substituent at the 10-position. Strychnine: An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison. | monoterpenoid indole alkaloid; organic heteroheptacyclic compound | avicide; cholinergic antagonist; glycine receptor antagonist; neurotransmitter agent; rodenticide |
| naringin | (2S)-flavan-4-one; 4'-hydroxyflavanones; dihydroxyflavanone; disaccharide derivative; neohesperidoside | anti-inflammatory agent; antineoplastic agent; metabolite | |
| cromakalim | 1-benzopyran | ||
| cocaine | cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca. 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. | 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 |
| (S)-ATPA | (S)-ATPA : A non-proteinogenic L-alpha-amino acid that is L-alanine in which one of the methyl hydrogens is replaced by a 5-tert-butyl-3-hydroxy-isooxazol-4-yl group. | isoxazoles; non-proteinogenic L-alpha-amino acid | metabolite |
| 6-bromoflavone | 6-bromoflavone: a high affinity ligand for the central benzodiazepine receptors; structure given in first source | ||
| aspartyl-aspartic acid | Asp-Asp : A dipeptide formed from two L-aspartic acid units. aspartyl-aspartic acid: do not confuse with cyclo(Asp-Asp) | dipeptide | Mycoplasma genitalium metabolite |
| n-desmethylflunitrazepam | N-desmethylflunitrazepam: metabolite of flunitrazepam | ||
| ro 05-4082 | ID 690: methyl deriv of clonazepam; structure | ||
| tropacocaine | tropacocaine: RN given refers to (exo)-isomer; structure | ||
| tropisetron | tropisetron : An indolyl carboxylate ester obtained by formal condensation of the carboxy group of indole-3-carboxylic acid with the hydroxy group of tropine. Tropisetron: An indole derivative and 5-HT3 RECEPTOR antagonist that is used for the prevention of nausea and vomiting. | indolyl carboxylic acid | |
| ly382884 | benzoic acids | ||
| l 364373 | benzodiazepine | ||
| 1-[5-(ethylthio)-1,3,4-thiadiazol-2-yl]-3-[1,1,1-trifluoro-2-(trifluoromethyl)butan-2-yl]urea | thiadiazoles; ureas | ||
| etomidate | etomidate : The ethyl ester of 1-[(1R)-1-phenylethyl]-1H-imidazole-5-carboxylic acid. It is an intravenous general anaesthetic with no analgesic activity. Etomidate: Imidazole derivative anesthetic and hypnotic with little effect on blood gases, ventilation, or the cardiovascular system. It has been proposed as an induction anesthetic. | ethyl ester; imidazoles | intravenous anaesthetic; sedative |
| bemesetron | |||
| 4-(benzylsulfanyl)thieno[2,3-d]pyrimidine | 4-(benzylsulfanyl)thieno[2,3-d]pyrimidine : A thienopyrimidine that is thieno[2,3-d]pyrimidine which is substituted at position 4 by a benzylsulfanediyl group. | aryl sulfide; benzenes; thienopyrimidine | |
| eszopiclone | eszopiclone : The (5S)- (active) enantiomer of zopiclone. Unlike almost all other hypnotic sedatives, which are approved only for the relief of short-term (6-8 weeks) insomnia, eszopiclone is approved by the U.S. Food and Drug Administration for long-term use. Eszopiclone: A pyridine, pyrazine, and piperazine derivative that is used as a HYPNOTIC AND SEDATIVE in the treatment of INSOMNIA. | zopiclone | central nervous system depressant; sedative |
| ica-121431 | ICA-121431: structure in first source | ||
| 1-(3-chlorophenyl)-3-(2-phenoxyphenyl)thiourea | aromatic ether | ||
| sulindac | sulindac : A monocarboxylic acid that is 1-benzylidene-1H-indene which is substituted at positions 2, 3, and 5 by methyl, carboxymethyl, and fluorine respectively, and in which the phenyl group of the benzylidene moiety is substituted at the para position by a methylsulfinyl group. It is a prodrug for the corresponding sulfide, a non-steroidal anti-inflammatory drug, used particularly in the treatment of acute and chronic inflammatory conditions. Sulindac: A sulfinylindene derivative prodrug whose sulfinyl moiety is converted in vivo to an active NSAID analgesic. Specifically, the prodrug is converted by liver enzymes to a sulfide which is excreted in the bile and then reabsorbed from the intestine. This helps to maintain constant blood levels with reduced gastrointestinal side effects. | monocarboxylic acid; organofluorine compound; sulfoxide | analgesic; antineoplastic agent; antipyretic; apoptosis inducer; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug; tocolytic agent |
| capsaicin | ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers. | capsaicinoid | non-narcotic analgesic; TRPV1 agonist; voltage-gated sodium channel blocker |
| 1-(1h-indol-3-ylcarbonyl)-n-(4-methoxybenzyl)formamide | 1-(1H-Indol-3-ylcarbonyl)-N-(4-methoxybenzyl)formamide: structure in first source | ||
| 3-bromo-4-methoxy-N-[(propan-2-ylamino)-sulfanylidenemethyl]benzamide | carbonyl compound; organohalogen compound | ||
| 4-bromohomoibotenic acid, (rs)-isomer | |||
| 2-(4-chlorophenyl)guanidine | organochlorine compound | ||
| glycylproline | Gly-Pro : A dipeptide consisting of L-proline having a glycyl residue attached to its alpha-amino group. | dipeptide; dipeptide zwitterion | metabolite |
| norcisapride | norcisapride: metabolite of cisapride | benzamides | |
| 2-[(2-ethoxyphenoxy)-phenylmethyl]morpholine | aromatic ether | ||
| 6-methyl-2-(phenylethynyl)pyridine | 2-methyl-6-(phenylethynyl)pyridine : A methylpyridine that coinsists of 2-methylp[yridine bearing an additional phenylethynyl group at position 6. Potent and highly selective non-competitive antagonist at the mGlu5 receptor subtype (IC50 = 36 nM) and a positive allosteric modulator at mGlu4 receptors. Centrally active following systemic administration in vivo. Reverses mechanical hyperalgesia in the inflamed rat hind paw. 6-methyl-2-(phenylethynyl)pyridine: an mGlu5 antagonist | acetylenic compound; methylpyridines | anxiolytic drug; metabotropic glutamate receptor antagonist |
| meclonazepam | |||
| 7-chloro-thiokynurenate | 7-chlorothiokynurenic acid: glycine site antagonist of NMDA receptor | ||
| clamikalant | clamikalant: inhibits ATP-sensitive potassium channel; structure in first source | ||
| isothaz | isothaz: muscimol antagonist | ||
| prucalopride | prucalopride: a 5-HT4 agonist enterokinetic compound | benzamides | |
| n-(indol-3-ylglyoxylyl)benzylamine | N-(indol-3-ylglyoxylyl)benzylamine: structure given in first source | ||
| 2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline | 2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline: structure given in first source; neuroprotectant for cerebral ischemia; AMPA receptor antagonist | naphthalenes; sulfonic acid derivative | |
| 1-(4-butylphenyl)-3-[4-chloro-3-(dimethylsulfamoyl)phenyl]thiourea | sulfonamide | ||
| 6-bromo-3'-nitroflavone | 6-bromo-3'-nitroflavone: a synthetic flavonoid with high affinity for the benzodiazepine receptors | ||
| 6-cyano-7-nitroquinoxaline-2,3-dione | 6-Cyano-7-nitroquinoxaline-2,3-dione: A potent excitatory amino acid antagonist with a preference for non-NMDA iontropic receptors. It is used primarily as a research tool. | quinoxaline derivative | |
| 1-(4-chlorophenyl)-3-[2-(2-furanylmethyl)cyclohexyl]urea | ureas | ||
| fg 9041 | FG 9041: structure given in first source | quinoxaline derivative | |
| (3-chlorophenyl)(6,7-dimethoxy-1-((4-methoxyphenoxy)methyl)-3,4-dihydroisoquinolin-2(1h)-yl)methanone | (3-chlorophenyl)(6,7-dimethoxy-1-((4-methoxyphenoxy)methyl)-3,4-dihydroisoquinolin-2(1H)-yl)methanone: a positive modulator of GluN2C/GluN2D subunit-selective NMDA receptor | ||
| 4-(5-(4-bromophenyl)-3-(6-methyl-2-oxo-4-phenyl-1,2-dihydroquinolin-3-yl)-4,5-dihydro-1h-pyrazol-1-yl)-4-oxobutanoic acid | 4-(5-(4-bromophenyl)-3-(6-methyl-2-oxo-4-phenyl-1,2-dihydroquinolin-3-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid: structure in first source | ||
| (r,s)-5,7-di-tert-butyl-3-hydroxy-3-trifluoromethyl-3h-benzofuran-2-one | (R,S)-5,7-di-tert-butyl-3-hydroxy-3-trifluoromethyl-3H-benzofuran-2-one: a positive allosteric modulator of GABAB receptors; structure in first source | ||
| seryl-proline | Ser-Pro : A dipeptide formed from L-serine and L-proline residues. | dipeptide | metabolite |
| 3-propoxy-beta-carboline | 3-propoxy-beta-carboline: structure in first source | ||
| tcn 201 | |||
| cgp 7930 | 2,6-di-tert-butyl-4-(3-hydroxy-2,2-dimethylpropyl)phenol: structure in first source | alkylbenzene | |
| zm226600 | ZM226600: an ATP-sensitive potassium channel opener; structure in first source | anilide | |
| apigenin | Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | trihydroxyflavone | antineoplastic agent; metabolite |
| cholecalciferol | calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24. | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
| harmine | harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's. | harmala alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; metabolite |
| harman | 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. harman: a beta-carboline; RN given refers to parent cpd; structure | harmala alkaloid; indole alkaloid; indole alkaloid fundamental parent | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
| amentoflavone | biflavonoid; hydroxyflavone; ring assembly | angiogenesis inhibitor; antiviral agent; cathepsin B inhibitor; P450 inhibitor; plant metabolite | |
| baicalein | trihydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.31 (arachidonate 12-lipoxygenase) inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; ferroptosis inhibitor; geroprotector; hormone antagonist; plant metabolite; prostaglandin antagonist; radical scavenger | |
| chrysin | chrysin : A dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. | 7-hydroxyflavonol; dihydroxyflavone | anti-inflammatory agent; antineoplastic agent; antioxidant; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; hepatoprotective agent; plant metabolite |
| hispidulin | hispidulin : A monomethoxyflavone that is scutellarein methylated at position 6. | monomethoxyflavone; trihydroxyflavone | anti-inflammatory agent; anticonvulsant; antineoplastic agent; antioxidant; apoptosis inducer; plant metabolite |
| scutellarein | scutellarein : Flavone substituted with hydroxy groups at C-4', -5, -6 and -7. scutellarein: aglycone of scutellarin from Scutellaria baicalensis; carthamidin is 2S isomer of scutellarein; do not confuse with isoscutellarein and/or isocarthamidin which are respective regioisomers, or with the scutelarin protein | tetrahydroxyflavone | metabolite |
| wogonin | wogonin : A dihydroxy- and monomethoxy-flavone in which the hydroxy groups are positioned at C-5 and C-7 and the methoxy group is at C-8. wogonin: structure in first source | dihydroxyflavone; monomethoxyflavone | angiogenesis inhibitor; antineoplastic agent; cyclooxygenase 2 inhibitor; plant metabolite |
| cholesta-3,5-dien-7-one | |||
| 6-methylpurine | 6-methylpurine : Purine bearing a methyl substituent at position 6. | purines | EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor |
| 4-aminocrotonic acid | |||
| l 745870 | 3-((4-(4-chlorophenyl)piperazin-1-yl)methyl)-1H-pyrrolo(2,3-b)pyridine: selective for D(4) receptors; structure in first source | piperazines | |
| l 655,708 | |||
| ry 80 | |||
| 1-Ethyl-9H-pyrido[3,4-b]indole | harmala alkaloid | ||
| levorphanol | Levorphanol: A narcotic analgesic that may be habit-forming. It is nearly as effective orally as by injection. | morphinane alkaloid | |
| naltrexone | naltrexone : An organic heteropentacyclic compound that is naloxone substituted in which the allyl group attached to the nitrogen is replaced by a cyclopropylmethyl group. A mu-opioid receptor antagonist, it is used to treat alcohol dependence. Naltrexone: Derivative of noroxymorphone that is the N-cyclopropylmethyl congener of NALOXONE. It is a narcotic antagonist that is effective orally, longer lasting and more potent than naloxone, and has been proposed for the treatment of heroin addiction. The FDA has approved naltrexone for the treatment of alcohol dependence. | cyclopropanes; morphinane-like compound; organic heteropentacyclic compound | antidote to opioid poisoning; central nervous system depressant; environmental contaminant; mu-opioid receptor antagonist; xenobiotic |
| dextromethorphan | dextromethorphan : A 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the sterocenters at positions 4a, 10 and 10a have S-configuration. It is a prodrug of dextrorphan and used as an antitussive drug for suppressing cough. Dextromethorphan: Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, including the medullary cough center. This compound is an NMDA receptor antagonist (RECEPTORS, N-METHYL-D-ASPARTATE) and acts as a non-competitive channel blocker. It is one of the widely used ANTITUSSIVES, and is also used to study the involvement of glutamate receptors in neurotoxicity. | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene | antitussive; environmental contaminant; neurotoxin; NMDA receptor antagonist; oneirogen; prodrug; xenobiotic |
| dextrorphan | Dextrorphan: Dextro form of levorphanol. It acts as a noncompetitive NMDA receptor antagonist, among other effects, and has been proposed as a neuroprotective agent. It is also a metabolite of DEXTROMETHORPHAN. | morphinane alkaloid | |
| batimastat | batimastat : A secondary carboxamide resulting from the formal condensation of the carboxy group of (2S,3R)-5-methyl-3-{[(2S)-1-(methylamino)-1-oxo-3-phenylpropan-2-yl]carbamoyl}-2-[(thiophen-2-ylsulfanyl)methyl]hexanoic acid with the amino group of hydroxylamine. It a broad-spectrum matrix metalloprotease inhibitor. batimastat: structure given in first source; a synthetic matrix metalloproteinase inhibitor | hydroxamic acid; L-phenylalanine derivative; organic sulfide; secondary carboxamide; thiophenes; triamide | angiogenesis inhibitor; antineoplastic agent; matrix metalloproteinase inhibitor |
| clathrodin | clathrodin: structure given in first source; isolated from marine sponges of the genus Agelas | ||
| licostinel | licostinel: a glycine site NMDA receptor antagonist; structure given in first source | ||
| lofepramine hydrochloride | |||
| phenylalanylalanine | Phe-Ala : A dipeptide formed from L-phenylalanine and L-alanine residues. phenylalanylalanine: RN given refers to (L)-isomer | dipeptide; dipeptide zwitterion | metabolite |
| acetylalanylalanine | acetylalanylalanine: RN given refers to (D)-isomer | ||
| alpha-aspartylalanine | alpha-aspartylalanine: found in pig brain Asp-Ala : A dipeptide formed from L-alpha-aspartyl and L-valine residues. | dipeptide | metabolite |
| alanyltyrosine | Tyr-Ala : A dipeptide formed from L-tyrosine and L-alanine residues. | dipeptide | metabolite |
| oroidin | oroidin: from marine sponges of the genus Agelas; structure in first source | pyrroles; secondary carboxamide | metabolite |
| ginkgolide b | |||
| palonosetron | palonosetron : An organic heterotricyclic compound that is an antiemetic used (as its hydrochloride salt) in combination with netupitant (under the trade name Akynzeo) to treat nausea and vomiting in patients undergoing cancer chemotherapy. Palonosetron: Isoquinoline and quinuclidine derivative that acts as a 5-HT3 RECEPTOR antagonist. It is used in the prevention of nausea and vomiting induced by cytotoxic chemotherapy, and for the prevention of post-operative nausea and vomiting. | azabicycloalkane; delta-lactam; organic heterotricyclic compound | antiemetic; serotonergic antagonist |
| ubp 310 | UBP 310: a GluR5 antagonist; structure in first source | ||
| ubp 302 | |||
| prolylglycine | L-prolylglycine : A dipeptide consisting of glycine having an L-prolyl group attached to its alpha-amino nitrogen. prolylglycine: RN given refers to (L)-isomer | dipeptide; dipeptide zwitterion | |
| 1-(3-(5-(1,2,4-triazol-4-yl)-1h-indol-3-yl)propyl)-4-(2-(3-fluorophenyl)ethyl)piperazine | 1-(3-(5-(1,2,4-triazol-4-yl)-1H-indol-3-yl)propyl)-4-(2-(3-fluorophenyl)ethyl)piperazine: an h5-HT(1D) receptor agonist; structure in first source | ||
| hymenidin | hymenidin: serotonergic receptor antagonist from Okinawan marine sponge Hymeniacidon; structure given in first source | ||
| cx 614 | 2H,3H,6aH-pyrrolidino(2'',1''-3',2')1,3-oxazino(6',5'-5,4)benzo(e)1, 4-dioxan-10-one: an ampakine (AMPA receptor modulator); structure in first source | ||
| n(4)-chloroacetylcytosine arabinoside | |||
| ro 25-6981 | Ro 25-6981 : A member of the class of piperidines that is 4-benzylpiperidine substituted by a 3-hydroxy-3-(4-hydroxyphenyl)-2-methylpropyl group at position 1 (the 1R,2S-stereoisomer). It is a potent antagonist of the GluN2B subunit of the N-methyl-D-aspartate (NMDA) receptor. Ro 25-6981: blocks NMDA receptors containg NR2B subunit; structure in first source | benzenes; phenols; piperidines; secondary alcohol; tertiary amino compound | anticonvulsant; antidepressant; neuroprotective agent; NMDA receptor antagonist |
| sb 269970 | SB 269970: a 5-HT(7) antagonist; structure in first source | sulfonamide | |
| n,n'-dicyclopentyl-2-methylsulfanyl-5-nitro-pyrimidine-4,6-diamine | N,N'-dicyclopentyl-2-methylsulfanyl-5-nitro-pyrimidine-4,6-diamine: structure in first source | aryl sulfide | |
| eaa-090 | EAA-090: a potent N-methyl-D-aspartate antagonist; structure in first source | dialkylarylamine; tertiary amino compound | |
| dutasteride | dutasteride : An aza-steroid that is inasteride in which the tert-butyl group is replaced by a 2,5-bis(trifluoromethyl)phenyl group. A synthetic 4-azasteroid, dutasteride is a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5alpha-reductase, an intracellular enzyme that converts testosterone to 5alpha-dihydrotestosterone. Dutasteride is used for the treatment of symptomatic benign prostatic hyperplasia in men with an enlarged prostate gland. Dutasteride: A 5-ALPHA-REDUCTASE INHIBITOR that is reported to inhibit both type-1 and type2 isoforms of the enzyme and is used to treat BENIGN PROSTATIC HYPERPLASIA. | (trifluoromethyl)benzenes; aza-steroid; delta-lactam | antihyperplasia drug; EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor |
| ganaxolone | ganaxolone: a selective, high-affinity, steroid modulator of the GABA(A) receptor; structure given in first source; RN given refers to (3alpha,5alpha)-isomer | corticosteroid hormone | |
| sarizotan | sarizotan: serotonin 5-HT1A agonist improves motor complications in rodent and primate parkinsonian models | ||
| pd 174494 | PD 174494: structure in first source | piperidines | |
| 2-ethyl-5-methoxy-n,n-dimethyltryptamine | 2-ethyl-5-methoxy-N,N-dimethyltryptamine: a 5-HT(6) receptor agonist; structure in first source | ||
| mrk 016 | MRK 016: an inverse agonist of GABA(A) alpha5 receptors; structure in first source | ||
| 6,6-dimethyl-3-(2-hydroxyethyl)thio-1-(thiazol-2-yl)-6,7-dihydro-2-benzothiophen-4(5h)-one | 6,6-dimethyl-3-(2-hydroxyethyl)thio-1-(thiazol-2-yl)-6,7-dihydro-2-benzothiophen-4(5H)-one: a GABA-A alpha5 receptor inverse agonist; structure in first source | ||
| glutamylalanine | Glu-Ala : A dipeptide formed from L-alpha-glutamyl and L-alanine residues. | dipeptide | metabolite |
| phenylalanylphenylalanine | Phe-Phe : A dipeptide formed from two L-phenylalanine residues. | dipeptide; L-aminoacyl-L-amino acid zwitterion | human blood serum metabolite; Mycoplasma genitalium metabolite |
| phenylalanyl-valine | Val-Phe : A dipeptide formed from L-valine and L-phenylalanine residues. | dipeptide | metabolite |
| alanylglycine | dipeptide; dipeptide zwitterion | metabolite | |
| valyltyrosine | Val-Tyr : A dipeptide formed from L-valine and L-tyrosine residues. valyltyrosine: from sardine muscle hydrolyzate | dipeptide | metabolite |
| phenylalanylproline | Phe-Pro : A dipeptide formed from L-phenylalanine and L-proline residues. | dipeptide | metabolite |
| glycylhistidine | Gly-His : A dipeptide composed of glycine and L-histidine joined by a peptide linkage. glycylhistidine: RN given refers to (L)-isomer | dipeptide; dipeptide zwitterion | metabolite |
| prolyl-serine | Pro-Ser : A dipeptide formed from L-proline and L-serine residues. | dipeptide | metabolite |
| bis(7)-tacrine | secondary amino compound | apoptosis inhibitor; EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; neuroprotective agent | |
| fpl 15896ar | |||
| 3-((2-methyl-1,3-thiazol-4-yl)ethynyl)piperidine | 3-((2-methyl-1,3-thiazol-4-yl)ethynyl)piperidine: an excitatory amino acid antagonist | ||
| azd 0328 | spiro(1-azabicyclo(2.2.2)octane-3,2'(3H)-furo(2,3-b)pyridine): AZD-0328 is the (2'R)-isomer and D-tartrate salt; an alpha7 neuronal nicotinic receptor agonist; structure in first source | ||
| pnu-282987 | carbonyl compound; organohalogen compound | ||
| ssr180711 | SSR180711: a selective alpha7 acetylcholine nicotinic receptor (n-AChRs) partial agonist; structure in first source | ||
| (4-benzylpiperidin-1-yl)-(6-hydroxy-1h-indol-2-yl)methanone | (4-benzylpiperidin-1-yl)-(6-hydroxy-1H-indol-2-yl)methanone: an NR2B-subunit selective antagonist; structure in first source | ||
| prolylvaline | Val-Pro : A dipeptide formed from L-valine and L-proline residues. | dipeptide | metabolite |
| qh-ii-66 | QH-II-66: a alpha5-GABAA receptor agonist | ||
| dysiherbaine | dysiherbaine : A furopyran that is (3aR,7aR)-hexahydro-2H-furo[3,2-b]pyran substituted by carboxy, (2S)-2-amino-2-carboxyethyl, hydroxy and methylamino groups at positions 2, 2, 6, and 7, respectively (the 2R,3aR,6S,7R,7aR-stereoisomer). A convulsant isolated from the marine sponge Dysidea herbacea that has high affinity for kainate ionotropic glutamate receptors. dysiherbaine: an exitotoxic amino acid; structure in first source | amino dicarboxylic acid; furopyran; hydroxy carboxylic acid; secondary amino compound | animal metabolite; excitatory amino acid agonist; marine metabolite; neurotoxin |
| tqx 173 | |||
| s 21007 | |||
| (1rs,1's)-peaqx | |||
| gw 9578 | GW 9578: a peroxisome proliferator-activated receptor alpha agonist; structure in first source | ||
| 4-iodo-2,6-diisopropylphenol | 4-iodo-2,6-diisopropylphenol: structure in first source | ||
| way 133537 | |||
| ly 465608 | LY 465608: a nonthiazolidinedione agonist of both PPAR-alpha and PPAR-gamma of Ligand Pharm. and Eli Lilly | ||
| l 838,417 | L 838,417: structure in first source | ||
| bn 52020 | |||
| perampanel | perampanel : A member of the class of bipyridines that is 2,3'-bipyridin-6'-one substituted at positions 1' and 5' by phenyl and 2-cyanophenyl groups respectively. Used as an adjunctive therapy for the treatment of partial-onset seizures in patients with epilepsy. | bipyridines; nitrile; pyridone | AMPA receptor antagonist; anticonvulsant |
| ly 392098 | LY 392098: structure in first source | ||
| ry 024 | RY 024: structure in first source | ||
| ly 404187 | LY 404187: structure in first source | ||
| 4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride | |||
| bm 131246 | |||
| vortioxetine | vortioxetine : An N-arylpiperazine in which the aryl group is specified as 2-[(2,4-dimethylphenyl)sulfanyl]phenyl. Used (as its hydrobromide salt) for treatment of major depressive disorder. Vortioxetine: A piperazine derivative that acts as a serotonin reuptake inhibitor, as a 5-HT3 receptor antagonist, and 5-HT1A receptor agonist. It is used for the treatment of anxiety and depression. | aryl sulfide; N-arylpiperazine | antidepressant; anxiolytic drug; serotonergic agonist; serotonergic antagonist |
| pwz-029 | PWZ-029: a compound with moderate inverse agonist functional selectivity at GABA(A) receptors containing alpha5 subunits, improves passive, but not active, avoidance learning in rats; structure in first source | ||
| 5-chloro-2-methyl-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1h-indole | 5-chloro-2-methyl-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole: a 5-HT6 agonist; structure in first source | indoles | |
| m-chlorophenylguanidine | |||
| methylhistaprodifen | |||
| fauc 113 | |||
| histaprodifen | |||
| batatasin-iii | stilbenoid | ||
| regorafenib | (trifluoromethyl)benzenes; aromatic ether; monochlorobenzenes; monofluorobenzenes; phenylureas; pyridinecarboxamide | antineoplastic agent; hepatotoxic agent; tyrosine kinase inhibitor | |
| tetrodotoxin | |||
| barettin | barettin: isolated as a Z/E mixture from sponge Geodia barretti; structure in first source | organic molecular entity | |
| naluzotan | naluzotan: an antidepressant and anti-anxiety agent; structure in first source | ||
| basimglurant | |||
| 5-hydroxy-2-(2-phenylethyl)chromone | 5-hydroxy-2-(2-phenylethyl)chromone: neuroprotective compound from rhizomes of Imperata cylindrica; structure in first source | ||
| ro 4956371 | 2-chloro-4-((2,5-dimethyl-1-(4-(trifluoromethoxy)phenyl)-1H-imidazol-4-yl)ethynyl)pyridine: a metabotropic glutamate receptor 5 antagonist; structure in first source | ||
| ubp296 | UBP296: potent and selective kainate receptor antagonist; structure in first source | alpha-amino acid | |
| methoxydine | 1-(1-(4-methoxyphenyl)cyclohexyl)piperidine: a glutamate NMDA receptor ligand; structure in first source | ||
| mdv 3100 | (trifluoromethyl)benzenes; benzamides; imidazolidinone; monofluorobenzenes; nitrile; thiocarbonyl compound | androgen antagonist; antineoplastic agent | |
| af 353 | 5-(5-iodo-2-isopropyl-4-methoxyphenoxy)pyrimidine-2,4-diamine: a P2X3 and P2X2/3 receptor antagonist; structure in first source | ||
| a 803467 | A 803467: an Nav1.8 sodium channel blocker; structure in first source | ||
| cnv1014802 | vixotrigine: a sodium channel blocker | ||
| sp 203 | 3-fluoro-5-(2-(2-(fluoromethyl)thiazol-4-yl)ethynyl)benzonitrile: a radioligand for mGlu5 receptor; structure in first source | ||
| ns 11394 | 3'-(5-(1-hydroxy-1-methylethyl)benzoimidazol-1-yl)biphenyl-2-carbonitrile: an anxiolytic agent; structure in first source | ||
| valproate sodium | Epilim: oral sodium valproate used as antidepressive agent sodium valproate : The sodium salt of valproic acid. valproate : A branched-chain saturated fatty acid anion that is the conjugate base of valproic acid. | organic sodium salt | geroprotector |
| mrk-409 | MRK-409: GABA-A Receptor Agonists; structure in first source | ||
| 4-amino-8-(2-fluoro-6-methoxy-phenyl)-n-propylcinnoline-3-carboxamide | 4-amino-8-(2-fluoro-6-methoxy-phenyl)-N-propylcinnoline-3-carboxamide: a GABA(A) alpha2,3 receptor modulator; structure in first source | ||
| 4-amino-8-(2,5-dimethoxyphenyl)-n-propylcinnoline-3-carboxamide | |||
| vuf10166 | |||
| apalutamide | |||
| cep 26401 | pyridazines; ring assembly | ||
| pf 3246799 | |||
| nitd 609 | NITD 609: an antimalarial and coccidiostat; structure in first source | ||
| evp-6124 | |||
| wms 1410 | |||
| n,n-diallyl-5-methoxytryptamine | N,N-diallyl-5-methoxytryptamine: structure in first source | tryptamines | |
| saxitoxin | saxitoxin : An alkaloid isolated from the marine dinoflagellates and cyanobacteria that causes paralytic shellfish poisoning. 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. | alkaloid; carbamate ester; guanidines; ketone hydrate; paralytic shellfish toxin; pyrrolopurine | cyanotoxin; marine metabolite; neurotoxin; sodium channel blocker; toxin |
| gs-458967 | 6-(4-(trifluoromethoxy)phenyl)-3-(trifluoromethyl)(1,2,4)triazolo(4,3-a)pyridine: an anti-arrhythmia agent that inhibits late sodium current; structure in first source | ||
| a-1155463 | A-1155463: a Bcl-X(L) inhibitor; structure in first source | ||
| ajmaline | |||
| clozapine | clozapine : A benzodiazepine that is 5H-dibenzo[b,e][1,4]diazepine substituted by a chloro group at position 8 and a 4-methylpiperazin-1-yl group at position 11. It is a second generation antipsychotic used in the treatment of psychiatric disorders like schizophrenia. Clozapine: A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent. | benzodiazepine; N-arylpiperazine; N-methylpiperazine; organochlorine compound | adrenergic antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; GABA antagonist; histamine antagonist; muscarinic antagonist; second generation antipsychotic; serotonergic antagonist; xenobiotic |
| olanzapine | olanzapine : A benzodiazepine that is 10H-thieno[2,3-b][1,5]benzodiazepine substituted by a methyl group at position 2 and a 4-methylpiperazin-1-yl group at position 4. Olanzapine: A benzodiazepine derivative that binds SEROTONIN RECEPTORS; MUSCARINIC RECEPTORS; HISTAMINE H1 RECEPTORS; ADRENERGIC ALPHA-1 RECEPTORS; and DOPAMINE RECEPTORS. It is an antipsychotic agent used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER; and MAJOR DEPRESSIVE DISORDER; it may also reduce nausea and vomiting in patients undergoing chemotherapy. | benzodiazepine; N-arylpiperazine; N-methylpiperazine | antiemetic; dopaminergic antagonist; histamine antagonist; muscarinic antagonist; second generation antipsychotic; serotonergic antagonist; serotonin uptake inhibitor |
| tegaserod | tegaserod: a nonbenzamide 5-hydroxytryptamine(4) agonist; used in treatment of irritable bowel syndrome; marketing suspended 2007 in US due to higher incidence of MI, stroke, and unstable angina; structure given in first source | carboxamidine; guanidines; hydrazines; indoles | gastrointestinal drug; serotonergic agonist |
| nn 414 | NN 414: a hypoglycemic agent with insulin release modulating and potassium channel activating activities; structure in first source | ||
| 7-chloro-3-isopropylamino-4h-1,2,4-benzothiadiazine 1,1-dioxide | 7-chloro-3-isopropylamino-4H-1,2,4-benzothiadiazine 1,1-dioxide: activates ATP-sensitive potassium channels; structure in first source | ||
| methylaplysinopsin | methylaplysinopsin: isolated from Dictyoceratid sponge Aplysinopsis reticulata; affects serotogenic neurotransmission; structure given in first source | ||
| aplysinopsin | aplysinopsin: antineoplastic tryptophan deriv from Verongia spengetii (marine sponge); structure |