| 
|  | 
|---|
 | H1 | | Agonists |  | 
|---|
 | Antagonists | 
Others: Atypical antipsychotics (e.g., aripiprazole, asenapine, brexpiprazole, brilaroxazine, clozapine, iloperidone, olanzapine, paliperidone, quetiapine, risperidone, ziprasidone, zotepine)Phenylpiperazine antidepressants (e.g., hydroxynefazodone, nefazodone, trazodone, triazoledione)Tetracyclic antidepressants (e.g., amoxapine, loxapine, maprotiline, mianserin, mirtazapine, oxaprotiline)Tricyclic antidepressants (e.g., amitriptyline, butriptyline, clomipramine, desipramine, dosulepin (dothiepin), doxepin, imipramine, iprindole, lofepramine, nortriptyline, protriptyline, trimipramine)Typical antipsychotics (e.g., chlorpromazine, flupenthixol, fluphenazine, loxapine, perphenazine, prochlorperazine, thioridazine, thiothixene)
 | 
|---|
 | 
|---|
 | H2 |  | 
|---|
 | H3 |  | 
|---|
 | H4 |  | 
|---|
 |  | 
|  | 
|---|
 | DATTooltip Dopamine transporter (DRIsTooltip Dopamine reuptake inhibitors)
 |  | 
|---|
 | NETTooltip Norepinephrine transporter (NRIsTooltip Norepinephrine reuptake inhibitors)
 | |  |  |  |  |  |  |  |  |  |  |  |  | 
Others: Antihistamines (e.g., brompheniramine, chlorphenamine, pheniramine, tripelennamine)Antipsychotics (e.g., loxapine, ziprasidone)Arylcyclohexylamines (e.g., ketamine, phencyclidine)DopexamineEphenidineGinkgo bilobaIndeloxazineNefazodoneOpioids (e.g., desmetramadol, methadone, pethidine (meperidine), tapentadol, tramadol, levorphanol)
 | 
 | 
|---|
 | SERTTooltip Serotonin transporter (SRIsTooltip Serotonin reuptake inhibitors)
 | |  |  |  |  |  |  |  |  | 
Others: A-80426AmoxapineAntihistamines (e.g., brompheniramine, chlorphenamine, dimenhydrinate, diphenhydramine, mepyramine (pyrilamine), pheniramine, tripelennamine)Antipsychotics (e.g., loxapine, ziprasidone)Arylcyclohexylamines (e.g., 3-MeO-PCP, esketamine, ketamine, methoxetamine, phencyclidine)CyclobenzaprineDelucemineDextromethorphanDextrorphanEfavirenzHypidoneMedifoxamineMesembrineMifepristoneMIN-117 (WF-516)N-Me-5-HTOpioids (e.g., dextropropoxyphene, methadone, pethidine (meperidine), levorphanol, tapentadol, tramadol)Roxindole
 | 
 | 
|---|
 | VMATsTooltip Vesicular monoamine transporters |  | 
|---|
 | Others |  | 
|---|
 |  | 
|  | 
|---|
 | mAChRsTooltip Muscarinic acetylcholine receptors | | Agonists |  | 
|---|
 | Antagonists | 
3-Quinuclidinyl benzilate4-DAMPAclidinium bromide (+formoterol)AbediterolAF-DX 250AF-DX 384Ambutonium bromideAnisodamineAnisodineAntihistamines (first-generation) (e.g., brompheniramine, buclizine, captodiame, chlorphenamine (chlorpheniramine), cinnarizine, clemastine, cyproheptadine, dimenhydrinate, dimetindene, diphenhydramine, doxylamine, meclizine, mequitazine, perlapine, phenindamine, pheniramine, phenyltoloxamine, promethazine, propiomazine, triprolidine)AQ-RA 741AtropineAtropine methonitrateAtypical antipsychotics (e.g., clozapine, fluperlapine, olanzapine (+fluoxetine), rilapine, quetiapine, tenilapine, zotepine)BenactyzineBenzatropine (benztropine)BenziloneBenzilylcholine mustardBenzydamineBevoniumBIBN 99BiperidenBornaprineCamylofinCAR-226,086CAR-301,060CAR-302,196CAR-302,282CAR-302,368CAR-302,537CAR-302,668CaramiphenCimetropium bromideClidinium bromideCloperastineCS-27349CyclobenzaprineCyclopentolateDarifenacinDAU-5884DesfesoterodineDexetimideDIBDDicycloverine (dicyclomine)DihexyverineDifemerineDiphemanil metilsulfateDitranDrofenineEA-3167EA-3443EA-3580EA-3834Emepronium bromideEtanautineEtybenzatropine (ethybenztropine)FenpiveriniumFentonium bromideFesoterodineFlavoxateGlycopyrronium bromide (+beclometasone/formoterol, +indacaterol, +neostigmine)HexahydrodifenidolHexahydrosiladifenidolHexbutinolHexocycliumHimbacineHL-031,120HomatropineImidafenacinIpratropium bromide (+salbutamol)IsopropamideJ-104,129HyoscyamineMamba toxin 3Mamba toxin 7MazaticolMebeverineMeladrazineMepenzolateMethanthelineMethoctramineMethylatropineMethylhomatropineMethylscopolamineMetixeneMuscarinic toxin 7N-Ethyl-3-piperidyl benzilateN-Methyl-3-piperidyl benzilateNefopamOctatropine methylbromide (anisotropine methylbromide)OrphenadrineOtenzepad (AF-DX 116)Otilonium bromideOxapium iodideOxitropium bromideOxybutyninOxyphencyclimineOxyphenonium bromidePBIDPD-102,807PD-0298029PenthienatePethidinepFHHSiDPhenglutarimidePhenyltoloxaminePipenzolate bromidePiperidolatePirenzepinePiroheptinePizotifenPoldinePridinolPrifinium bromideProcyclidineProfenamine (ethopropazine)Propantheline bromidePropiverineQuinidine3-Quinuclidinyl thiochromane-4-carboxylateRevefenacinRociverineRU-47,213SCH-57,790SCH-72,788SCH-217,443Scopolamine (hyoscine)Scopolamine butylbromide (hyoscine butylbromide)SilahexacycliumSofpironium bromideSolifenacinSSRIsTooltip Selective serotonin reuptake inhibitors (e.g., femoxetine, paroxetine)TelenzepineTerodilineTetracyclic antidepressants (e.g., amoxapine, maprotiline, mianserin, mirtazapine)Tiemonium iodideTimepidium bromideTiotropium bromideTiquizium bromideTofenacinTolterodineTricyclic antidepressants (e.g., amitriptyline (+perphenazine), amitriptylinoxide, butriptyline, cidoxepin, clomipramine, desipramine, desmethyldesipramine, dibenzepin, dosulepin (dothiepin), doxepin, imipramine, lofepramine, nitroxazepine, northiaden (desmethyldosulepin), nortriptyline, protriptyline, quinupramine, trimipramine)TridihexethylTrihexyphenidylTrimebutineTripitamine (tripitramine)TropacineTropatepineTropicamideTropine benzilateTrospium chlorideTypical antipsychotics (e.g., chlorpromazine, chlorprothixene, cyamemazine (cyamepromazine), loxapine, mesoridazine, thioridazine)Umeclidinium bromide (+vilanterol)WIN-2299XanomelineZamifenacin
 | 
|---|
 | 
|---|
 | Precursors (and prodrugs)
 |  | 
|---|
 |  | 
|  | 
|---|
 | 5-HT1 | | 5-HT1A | | 
Agonists: 8-OH-DPATAdatanserinAmphetamineAntidepressants (e.g., etoperidone, hydroxynefazodone, nefazodone, trazodone, triazoledione, vilazodone, vortioxetine)Atypical antipsychotics (e.g., aripiprazole, asenapine, brexpiprazole, cariprazine, clozapine, lurasidone, quetiapine, ziprasidone)Azapirones (e.g., buspirone, eptapirone, gepirone, perospirone, tandospirone)Bay R 1531BefiradolBMY-14802CannabidiolDimemebfeDopamineEbalzotanEltoprazineEnciprazineErgolines (e.g., bromocriptine, cabergoline, dihydroergotamine, ergotamine, lisuride, LSD, methylergometrine (methylergonovine), methysergide, pergolide)F-11461F-12826F-13714F-14679F-15063F-15599FlesinoxanFlibanserinFlumexadolHypidoneLesopitronLY-293284LY-301317mCPPMKC-242NaluzotanNBUMPOsemozotanOxaflozanePardoprunoxPiclozotanRauwolscineRepinotanRoxindoleRU-24969S-14506S-14671S-15535SarizotanSerotonin (5-HT)SSR-181507SunepitronTryptamines (e.g., 5-CT, 5-MeO-DMT, 5-MT, bufotenin, DMT, indorenate, N-Me-5-HT, psilocin, psilocybin)TGBA01ADU-92016-AUrapidilVilazodoneXaliprodenYohimbine
 |  | 
Positive allosteric modulators: Oleamide
 |  | 
Antagonists: Atypical antipsychotics (e.g., iloperidone, risperidone, sertindole)AV965Beta blockers (e.g., alprenolol, carteolol, cyanopindolol, iodocyanopindolol, isamoltane, oxprenolol, penbutolol, pindobind, pindolol, propranolol, tertatolol)BMY-7378CSP-2503DotarizineErgolines (e.g., metergoline)FCE-24379FlopropioneGR-46611IsamoltaneLecozotanMefwayMetitepine (methiothepin)MIN-117 (WF-516)MPPFNAN-190RobalzotanS-15535SB-649915SDZ 216-525SpiperoneSpiramideSpiroxatrineUH-301WAY-100135WAY-100635Xylamidine
 |  |  | 
 | 
|---|
 | 5-HT1B | | 
Agonists: AnpirtolineBenzofurans (e.g., 5-MAPB, 6-MAPB, BK-5-MAPB, BK-6-MAPB)CGS-12066ACP-93129CP-94253CP-122288CP-135807EltoprazineErgolines (e.g., bromocriptine, dihydroergotamine, ergotamine, methylergometrine (methylergonovine), methysergide, pergolide)mCPPRU-24969Serotonin (5-HT)Triptans (e.g., avitriptan, donitriptan, eletriptan, sumatriptan, zolmitriptan)TFMPPTryptamines (e.g., 5-BT, 5-CT, 5-MT, DMT)Vortioxetine
 |  |  |  |  | 
 | 
|---|
 | 5-HT1D | | 
Agonists: CP-122288CP-135807CP-286601Ergolines (e.g., bromocriptine, cabergoline, dihydroergotamine, ergotamine, LSD, methysergide)GR-46611L-694247L-772405mCPPPNU-109291PNU-142633Serotonin (5-HT)TGBA01ADTriptans (e.g., almotriptan, avitriptan, donitriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan)Tryptamines (e.g., 5-BT, 5-CT, 5-Et-DMT, 5-MT, 5-(nonyloxy)tryptamine, DMT)
 |  |  |  |  | 
 | 
|---|
 | 5-HT1E |  | 
|---|
 | 5-HT1F |  | 
|---|
 | 
|---|
 | 5-HT2 | | 5-HT2A | | 
Agonists: 25H/NB series (e.g., 25I-NBF, 25I-NBMD, 25I-NBOH, 25I-NBOMe, 25B-NBOMe, 25C-NBOMe, 25TFM-NBOMe, 2CBCB-NBOMe, 25CN-NBOH, 2CBFly-NBOMe)2Cs (e.g., 2C-B, 2C-E, 2C-I, 2C-T-2, 2C-T-7, 2C-T-21)2C-B-FLY2CB-Ind5-Methoxytryptamines (5-MeO-DET, 5-MeO-DiPT, 5-MeO-DMT, 5-MeO-DPT, 5-MT)α-Alkyltryptamines (e.g., 5-Cl-αMT, 5-Fl-αMT, 5-MeO-αET, 5-MeO-αMT, α-Me-5-HT, αET, αMT)AL-34662AL-37350ABromo-DragonFLYDimemebfeDMBMPPDOx (e.g., DOB, DOC, DOI, DOM)EfavirenzErgolines (e.g., 1P-LSD, ALD-52, bromocriptine, cabergoline, ergine (LSA), ergometrine (ergonovine), ergotamine, lisuride, LA-SS-Az, LSB, LSD, LSD-Pip, LSH, LSP, methylergometrine (methylergonovine), pergolide)FlumexadolIHCH-7113JimscalineLorcaserinMDxx (e.g., MDA (tenamfetamine), MDMA (midomafetamine), MDOH, MMDA)O-4310OxaflozanePHA-57378PNU-22394PNU-181731RH-34SCHEMBL5334361Phenethylamines (e.g., lophophine, mescaline)Piperazines (e.g., BZP, quipazine, TFMPP)Serotonin (5-HT)TCB-2TFMFlyTryptamines (e.g., 5-BT, 5-CT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine)
 |  |  |  | 
Antagonists: 5-I-R911505-MeO-NBpBrTAC-90179AdatanserinAltanserinAntihistamines (e.g., cyproheptadine, hydroxyzine, ketotifen, perlapine)AMDAAtypical antipsychotics (e.g., amperozide, aripiprazole, asenapine, blonanserin, brexpiprazole, carpipramine, clocapramine, clorotepine, clozapine, fluperlapine, gevotroline, iloperidone, lurasidone, melperone, mosapramine, ocaperidone, olanzapine, paliperidone, quetiapine, risperidone, sertindole, zicronapine, ziprasidone, zotepine)ChlorprothixeneCinanserinCSP-2503DeramciclaneDotarizineEplivanserinErgolines (e.g., amesergide, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole)FananserinFlibanserinGlemanserinIrindaloneKetanserinKML-010LandipirdineLY-393558mCPPMedifoxamineMetitepine (methiothepin)MIN-117 (WF-516)NaftidrofurylNantenineNelotanserinOpiranserin (VVZ-149)PelanserinPhenoxybenzaminePimavanserinPirenperonePizotifenPruvanserinRauwolscineRitanserinRoluperidoneS-14671SarpogrelateSerotonin antagonists and reuptake inhibitors (e.g., etoperidone, hydroxynefazodone, lubazodone, mepiprazole, nefazodone, triazoledione, trazodone)SR-46349BTGBA01ADTeniloxazineTemanogrelTetracyclic antidepressants (e.g., amoxapine, aptazapine, esmirtazapine, maprotiline, mianserin, mirtazapine)Tricyclic antidepressants (e.g., amitriptyline)Typical antipsychotics (e.g., chlorpromazine, fluphenazine, haloperidol, loxapine, perphenazine, pimozide, pipamperone, prochlorperazine, setoperone, spiperone, spiramide, thioridazine, thiothixene, trifluoperazine)VolinanserinXylamidineYohimbine
 |  |  | 
 | 
|---|
 | 5-HT2B | | 
Agonists: 4-MethylaminorexAminorexAmphetamines (e.g., chlorphentermine, cloforex, dexfenfluramine, fenfluramine, levofenfluramine, norfenfluramine)BW-723C86DOx (e.g., DOB, DOC, DOI, DOM)Ergolines (e.g., cabergoline, dihydroergocryptine, dihydroergotamine, ergotamine, methylergometrine (methylergonovine), methysergide, pergolide)LorcaserinMDxx (e.g., MDA (tenamfetamine), MDMA (midomafetamine), MDOH, MMDA)Piperazines (e.g., TFMPP)PNU-22394Ro60-0175Serotonin (5-HT)Tryptamines (e.g., 5-BT, 5-CT, 5-MT, α-Me-5-HT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine)
 |  | 
Antagonists: AgomelatineAtypical antipsychotics (e.g., amisulpride, aripiprazole, asenapine, brexpiprazole, cariprazine, clozapine, N-desalkylquetiapine (norquetiapine), N-desmethylclozapine (norclozapine), olanzapine, pipamperone, quetiapine, risperidone, ziprasidone)CyproheptadineEGIS-7625Ergolines (e.g., amesergide, bromocriptine, lisuride, LY-53857, LY-272015, mesulergine)KetanserinLY-393558mCPPMetadoxineMetitepine (methiothepin)PirenperonePizotifenPropranololPRX-08066RauwolscineRitanserinRS-127445SarpogrelateSB-200646SB-204741SB-206553SB-215505SB-221284SB-228357SDZ SER-082TegaserodTetracyclic antidepressants (e.g., amoxapine, mianserin, mirtazapine)TrazodoneTypical antipsychotics (e.g., chlorpromazine)TIK-301Yohimbine
 |  |  | 
 | 
|---|
 | 5-HT2C | | 
Agonists: 2Cs (e.g., 2C-B, 2C-E, 2C-I, 2C-T-2, 2C-T-7, 2C-T-21)5-Methoxytryptamines (5-MeO-DET, 5-MeO-DiPT, 5-MeO-DMT, 5-MeO-DPT, 5-MT)α-Alkyltryptamines (e.g., 5-Cl-αMT, 5-Fl-αMT, 5-MeO-αET, 5-MeO-αMT, α-Me-5-HT, αET, αMT)A-372159AL-38022AAlstonineCP-809101DimemebfeDOx (e.g., DOB, DOC, DOI, DOM)Ergolines (e.g., ALD-52, cabergoline, dihydroergotamine, ergine (LSA), ergotamine, lisuride, LA-SS-Az, LSB, LSD, LSD-Pip, LSH, LSP, pergolide)FlumexadolLorcaserinMDxx (e.g., MDA (tenamfetamine), MDMA (midomafetamine), MDOH, MMDA)MK-212ORG-12962ORG-37684OxaflozanePHA-57378Phenethylamines (e.g., lophophine, mescaline)Piperazines (e.g., aripiprazole, BZP, mCPP, quipazine, TFMPP)PNU-22394PNU-181731Ro60-0175Ro60-0213Serotonin (5-HT)Tryptamines (e.g., 5-BT, 5-CT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine)VabicaserinWAY-629WAY-161503YM-348
 |  |  |  | 
Antagonists: AdatanserinAgomelatineAtypical antipsychotics (e.g., asenapine, clorotepine, clozapine, fluperlapine, iloperidone, melperone, olanzapine, paliperidone, quetiapine, risperidone, sertindole, ziprasidone, zotepine)CaptodiameCEPCCinanserinCyproheptadineDeramciclaneDesmetramadolDotarizineEltoprazineErgolines (e.g., amesergide, bromocriptine, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole)EtoperidoneFluoxetineFR-260010IrindaloneKetanserinKetotifenLatrepirdine (dimebolin)MedifoxamineMetitepine (methiothepin)NefazodonePirenperonePizotifenPropranololRitanserinRS-102221S-14671SB-200646SB-206553SB-221284SB-228357SB-242084SB-243213SDZ SER-082TedatioxetineTetracyclic antidepressants (e.g., amoxapine, aptazapine, esmirtazapine, maprotiline, mianserin, mirtazapine)TIK-301TramadolTrazodoneTricyclic antidepressants (e.g., amitriptyline, nortriptyline)Typical antipsychotics (e.g., chlorpromazine, loxapine, pimozide, pipamperone, thioridazine)Xylamidine
 |  |  | 
 | 
|---|
 | 
|---|
 | 5-HT3–7 | | 5-HT3 | | 
Agonists: Alcohols (e.g., butanol, ethanol (alcohol), trichloroethanol)m-CPBGPhenylbiguanidePiperazines (e.g., BZP, mCPP, quipazine)RS-56812Serotonin (5-HT)SR-57227SR-57227ATryptamines (e.g., 2-Me-5-HT, 5-CT, bufotenidine (5-HTQ))Volatiles/gases (e.g., halothane, isoflurane, toluene, trichloroethane)YM-31636
 |  |  |  | 
Antagonists: AlosetronAnpirtolineArazasetronAS-8112Atypical antipsychotics (e.g., clozapine, olanzapine, quetiapine)AzasetronBatanoprideBemesetron (MDL-72222)CilansetronCSP-2503DazoprideDolasetronGalanolactoneGranisetronLerisetronMemantineOndansetronPalonosetronRamosetronRenzaprideRicasetronTedatioxetineTetracyclic antidepressants (e.g., amoxapine, mianserin, mirtazapine)ThujoneTropanserinTropisetronTypical antipsychotics (e.g., loxapine)Volatiles/gases (e.g., nitrous oxide, sevoflurane, xenon)VortioxetineZacoprideZatosetron
 |  |  |  |  | 
 | 
|---|
 | 5-HT4 |  | 
|---|
 | 5-HT5A |  | 
|---|
 | 5-HT6 | | 
Agonists: Ergolines (e.g., dihydroergocryptine, dihydroergotamine, ergotamine, lisuride, LSD, mesulergine, metergoline, methysergide)HypidoneSerotonin (5-HT)Tryptamines (e.g., 2-Me-5-HT, 5-BT, 5-CT, 5-MT, Bufotenin, E-6801, E-6837, EMD-386088, EMDT, LY-586713, N-Me-5-HT, ST-1936, tryptamine)WAY-181187WAY-208466
 |  | 
Antagonists: ABT-354Atypical antipsychotics (e.g., aripiprazole, asenapine, clorotepine, clozapine, fluperlapine, iloperidone, olanzapine, tiospirone)AVN-101AVN-211AVN-322AVN-397BGC20-760BVT-5182BVT-74316CerlapirdineEGIS-12233GW-742457IdalopirdineKetanserinLandipirdineLatrepirdine (dimebolin)MasupirdineMetitepine (methiothepin)MS-245PRX-07034RitanserinRo 04-6790Ro 63-0563SB-258585SB-271046SB-357134SB-399885SB-742457Tetracyclic antidepressants (e.g., amoxapine, mianserin)Tricyclic antidepressants (e.g., amitriptyline, clomipramine, doxepin, nortriptyline)Typical antipsychotics (e.g., chlorpromazine, loxapine)
 |  |  | 
 | 
|---|
 | 5-HT7 | |  |  | 
Antagonists: Atypical antipsychotics (e.g., amisulpride, aripiprazole, asenapine, brexpiprazole, clorotepine, clozapine, fluperlapine, olanzapine, risperidone, sertindole, tiospirone, ziprasidone, zotepine)ButaclamolDR-4485EGIS-12233Ergolines (e.g., 2-Br-LSD (BOL-148), amesergide, bromocriptine, cabergoline, dihydroergotamine, ergotamine, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole)JNJ-18038683KetanserinLY-215840Metitepine (methiothepin)RitanserinSB-258719SB-258741SB-269970SB-656104SB-656104ASB-691673SLV-313SLV-314SpiperoneSSR-181507Tetracyclic antidepressants (e.g., amoxapine, maprotiline, mianserin, mirtazapine)Tricyclic antidepressants (e.g., amitriptyline, clomipramine, imipramine)Typical antipsychotics (e.g., acetophenazine, chlorpromazine, chlorprothixene, fluphenazine, loxapine, pimozide)Vortioxetine
 |  | 
Negative allosteric modulators: Oleamide
 |  |  | 
 | 
|---|
 | 
|---|
 |  | 
 |