Substance | Relationship Strength | Studies | Trials | Classes | Roles |
gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.45 | 2 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.47 | 2 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
8-hydroxy-2-(di-n-propylamino)tetralin 8-Hydroxy-2-(di-n-propylamino)tetralin: A serotonin 1A-receptor agonist that is used experimentally to test the effects of serotonin.. 8-OH-DPAT : A tetralin substituted at positions 1 and 7 by hydroxy and dipropylamino groups respectively | 3.94 | 3 | 0 | phenols; tertiary amino compound; tetralins | serotonergic antagonist |
amantadine amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | 2.25 | 1 | 0 | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
baclofen [no description available] | 2.01 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid; monochlorobenzenes; primary amino compound | central nervous system depressant; GABA agonist; muscle relaxant |
buspirone Buspirone: An anxiolytic agent and serotonin receptor agonist belonging to the azaspirodecanedione class of compounds. Its structure is unrelated to those of the BENZODIAZAPINES, but it has an efficacy comparable to DIAZEPAM.. buspirone : An azaspiro compound that is 8-azaspiro[4.5]decane-7,9-dione substituted at the nitrogen atom by a 4-(piperazin-1-yl)butyl group which in turn is substituted by a pyrimidin-2-yl group at the N(4) position. | 2.41 | 1 | 0 | azaspiro compound; N-alkylpiperazine; N-arylpiperazine; organic heteropolycyclic compound; piperidones; pyrimidines | anxiolytic drug; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; sedative; serotonergic agonist |
fentanyl Fentanyl: A potent narcotic analgesic, abuse of which leads to habituation or addiction. It is primarily a mu-opioid agonist. Fentanyl is also used as an adjunct to general anesthetics, and as an anesthetic for induction and maintenance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1078). fentanyl : A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of N-phenyl-1-(2-phenylethyl)piperidin-4-amine with propanoic acid. | 2.45 | 2 | 0 | anilide; monocarboxylic acid amide; piperidines | adjuvant; anaesthesia adjuvant; anaesthetic; intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic |
gabapentin Gabapentin: A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME.. gabapentin : A gamma-amino acid that is cyclohexane substituted at position 1 by aminomethyl and carboxymethyl groups. Used for treatment of neuropathic pain and restless legs syndrome. | 2.01 | 1 | 0 | gamma-amino acid | anticonvulsant; calcium channel blocker; environmental contaminant; xenobiotic |
haloperidol 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). 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. | 2.11 | 1 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
imipramine Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 2.41 | 2 | 0 | dibenzoazepine | adrenergic uptake inhibitor; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
isoflurane Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 2.02 | 1 | 0 | organofluorine compound | inhalation anaesthetic |
ketamine 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.. 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. | 2.01 | 1 | 0 | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
ketanserin Ketanserin: A selective serotonin receptor antagonist with weak adrenergic receptor blocking properties. The drug is effective in lowering blood pressure in essential hypertension. It also inhibits platelet aggregation. It is well tolerated and is particularly effective in older patients.. ketanserin : A member of the class of quinazolines that is quinazoline-2,4(1H,3H)-dione which is substituted at position 3 by a 2-[4-(p-fluorobenzoyl)piperidin-1-yl]ethyl group. | 3.51 | 1 | 0 | aromatic ketone; organofluorine compound; piperidines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; cardiovascular drug; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; serotonergic antagonist |
oxidopamine Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals.. oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). | 2.52 | 2 | 0 | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
n-methylquipazine N-methylquipazine: structure in first source. N-methylquipazine : An aminoquinoline that consists of quinoline in which the hydrogen at position 2 is substituted by a 4-methylpiperazin-1-yl group. A 5-HT3 agonist. Has almost the same affinity for 5-HT3 sites as quipazine but unlike the latter, does not bind to 5-HT1B sites. | 3.51 | 1 | 0 | aminoquinoline; N-alkylpiperazine; N-arylpiperazine | serotonergic agonist |
ritanserin Ritanserin: A selective and potent serotonin-2 antagonist that is effective in the treatment of a variety of syndromes related to anxiety and depression. The drug also improves the subjective quality of sleep and decreases portal pressure.. ritanserin : A thiazolopyrimidine that is 5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one which is substituted at position 7 by a methyl group and at position 6 by a 2-{4-[bis(4-fluorophenyl)methylidene]piperidin-1-yl}ethyl group. A potent and long-acting seratonin (5-hydroxytryptamine, 5-HT) antagonist of the subtype 5-HT2 (Ki = 0.39 nM), it is used in the treatment of a variety of disorders including anxiety, depression and schizophrenia. It has little sedative action. | 3.51 | 1 | 0 | organofluorine compound; piperidines; thiazolopyrimidine | antidepressant; antipsychotic agent; anxiolytic drug; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; serotonergic antagonist |
n-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-n-(2-pyridinyl)cyclohexanecarboxamide [no description available] | 3.51 | 1 | 0 | piperazines | |
tetrabenazine 9,10-dimethoxy-3-isobutyl-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one : A benzoquinolizine that is 1,2,3,4,4a,9,10,10a-octahydrophenanthrene in which the carbon at position 10a is replaced by a nitrogen and which is substituted by an isobutyl group at position 2, an oxo group at position 3, and methoxy groups at positions 6 and 7. | 2.41 | 1 | 0 | benzoquinolizine; cyclic ketone; tertiary amino compound | |
levodopa Levodopa: The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system.. L-dopa : An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | 3.46 | 6 | 0 | amino acid zwitterion; dopa; L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | allelochemical; antidyskinesia agent; antiparkinson drug; dopaminergic agent; hapten; human metabolite; mouse metabolite; neurotoxin; plant growth retardant; plant metabolite; prodrug |
alpha-aminopyridine alpha-aminopyridine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #485. aminopyridine : Compounds containing a pyridine skeleton substituted by one or more amine groups. | 2.95 | 4 | 0 | | |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.01 | 1 | 0 | benzenes; phenyl acetates | |
glutamic acid 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 : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 2.13 | 1 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
fananserin fananserin: RN & structure given in first source | 3.51 | 1 | 0 | naphthalenes; sulfonic acid derivative | |
remifentanil Remifentanil: A piperidine-propionate derivative and opioid analgesic structurally related to FENTANYL. It functions as a short-acting MU OPIOID RECEPTOR agonist, and is used as an analgesic during induction or maintenance of general anesthesia, following surgery, during childbirth, and in mechanically ventilated patients under intensive care.. remifentanil : A piperidinecarboxylate ester that is methyl piperidine-4-carboxylate in which the hydrogen attached to the nitrogen is substituted by a 3-methoxy-3-oxopropyl group and the hydrogen at position 4 is substituted the nitrogen of N-propanoylaniline. | 2.02 | 1 | 0 | alpha-amino acid ester; anilide; monocarboxylic acid amide; piperidinecarboxylate ester | intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic; sedative |
setoperone [no description available] | 3.51 | 1 | 0 | | |
fluorodeoxyglucose f18 Fluorodeoxyglucose F18: The compound is given by intravenous injection to do POSITRON-EMISSION TOMOGRAPHY for the assessment of cerebral and myocardial glucose metabolism in various physiological or pathological states including stroke and myocardial ischemia. It is also employed for the detection of malignant tumors including those of the brain, liver, and thyroid gland. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1162) | 2.6 | 1 | 0 | 2-deoxy-2-((18)F)fluoro-D-glucose; 2-deoxy-2-fluoro-aldehydo-D-glucose | |
3-n-methylspiperone 3-N-methylspiperone: (11(C))-labeled cpd used in positron tomography; dopamine agonist & dopamine receptor ligand; structure given in first source | 3.51 | 1 | 0 | aromatic ketone | |
8-(di-n-propylamino)-6,7,8,9-tetrahydro-3h-benz(e)indole-1-carbaldehyde 8-(di-n-propylamino)-6,7,8,9-tetrahydro-3H-benz(e)indole-1-carbaldehyde: RN refers to (+-)-isomer; structure given in first source | 3.51 | 1 | 0 | | |
rs 127445 2-amino-4-(4-fluoronaphth-1-yl)-6-isopropylpyrimidine: a 5-HT(2B) receptor antagonist; structure in first source | 3.51 | 1 | 0 | | |
altanserin altanserin: structure given in first source; a radioligand for PET studies of serotonin S2 receptors | 3.51 | 1 | 0 | quinazolines | |
naloxone Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.. naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. | 2.01 | 1 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary alcohol | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
morphine Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 8.27 | 6 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
ly 344864 LY 344864: has selective affinity for the 5-HT1F receptor; structure in first source | 3.51 | 1 | 0 | carbazoles | |
mdl 100907 Serotonin 5-HT2 Receptor Antagonists: Drugs that bind to but do not activate SEROTONIN 5-HT2 RECEPTORS, thereby blocking the actions of SEROTONIN or SEROTONIN 5-HT2 RECEPTOR AGONISTS. Included under this heading are antagonists for one or more specific 5-HT2 receptor subtypes. | 3.51 | 1 | 0 | | |
flibanserin [no description available] | 2.03 | 1 | 0 | benzimidazoles; N-alkylpiperazine; N-arylpiperazine; organofluorine compound | antidepressant; serotonergic agonist; serotonergic antagonist |
s 21007 [no description available] | 3.51 | 1 | 0 | | |
pimavanserin pimavanserin: A 5-HT(2A) inverse agonist; ACP-103 is the dihydroxybutanedioate (2:1) salt. It is used to treat hallucinations and delusions associated with PARKINSON DISEASE; structure in first source.. pimavanserin : A member of the class of ureas in which three of the four hydrogens are replaced by 4-fluorobenzyl, 1-methylpiperidin-4-yl, and 4-(isopropyloxy)benzyl groups. An atypical antipsychotic that is used (in the form of its tartrate salt) for treatment of hallucinations and delusions associated with Parkinson's disease. | 3.51 | 1 | 0 | aromatic ether; monofluorobenzenes; piperidines; tertiary amino compound; ureas | 5-hydroxytryptamine 2A receptor inverse agonist; antipsychotic agent; serotonergic antagonist |
way 163909 [no description available] | 3.51 | 1 | 0 | | |
2-(4-iodo-2,5-dimethoxyphenyl)-n-(2-methoxybenzyl)ethanamine 2-(4-iodo-2,5-dimethoxyphenyl)-N-(2-methoxybenzyl)ethanamine: a PET radioligand and 5-HT(2A) receptor agonist; also used as a designer drug; structure in first source | 3.51 | 1 | 0 | | |
1-(2,4-difluorophenethyl)-4-(4-fluorophenylsulfonyl)piperidine 1-(2,4-difluorophenethyl)-4-(4-fluorophenylsulfonyl)piperidine: a 5-HT2A receptor antagonist; structure in first source | 3.51 | 1 | 0 | | |
naluzotan naluzotan: an antidepressant and anti-anxiety agent; structure in first source | 2.03 | 1 | 0 | | |
vabicaserin vabicaserin: an antipsychotic agent and 5-HT2C receptor agonist; structure in first source | 3.51 | 1 | 0 | | |
col-144 lasmiditan: a high-affinity, highly selective serotonin 5-HT(1F) receptor agonist; structure in first source | 3.51 | 1 | 0 | | |
e-55888 [no description available] | 3.51 | 1 | 0 | | |
piperidines Piperidines: A family of hexahydropyridines. | 6.08 | 36 | 0 | | |
guanosine 5'-o-(3-thiotriphosphate) Guanosine 5'-O-(3-Thiotriphosphate): Guanosine 5'-(trihydrogen diphosphate), monoanhydride with phosphorothioic acid. A stable GTP analog which enjoys a variety of physiological actions such as stimulation of guanine nucleotide-binding proteins, phosphoinositide hydrolysis, cyclic AMP accumulation, and activation of specific proto-oncogenes. | 2.01 | 1 | 0 | nucleoside triphosphate analogue | |