|  5-HT1  | |  5-HT1A  | - Agonists: 8-OH-DPAT 
 -  Adatanserin 
 -  Amphetamine 
 -  Antidepressants (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 1531 
 -  Befiradol 
 -  BMY-14802 
 -  Cannabidiol 
 -  Dimemebfe 
 -  Dopamine 
 -  Ebalzotan 
 -  Eltoprazine 
 -  Enciprazine 
 -  Ergolines (e.g., bromocriptine, cabergoline, dihydroergotamine, ergotamine, lisuride, LSD, methylergometrine (methylergonovine), methysergide, pergolide)
 -  F-11461 
 -  F-12826 
 -  F-13714 
 -  F-14679 
 -  F-15063 
 -  F-15599 
 -  Flesinoxan 
 -  Flibanserin 
 -  Flumexadol 
 -  Hypidone 
 -  Lesopitron 
 -  LY-293284 
 -  LY-301317 
 -  mCPP 
 -  MKC-242 
 -  Naluzotan 
 -  NBUMP 
 -  Osemozotan 
 -  Oxaflozane 
 -  Pardoprunox 
 -  Piclozotan 
 -  Rauwolscine 
 -  Repinotan 
 -  Roxindole 
 -  RU-24969 
 -  S-14506 
 -  S-14671 
 -  S-15535 
 -  Sarizotan 
 -  Serotonin (5-HT) 
 -  SSR-181507 
 -  Sunepitron 
 -  Tryptamines (e.g., 5-CT, 5-MeO-DMT, 5-MT, bufotenin, DMT, indorenate, N-Me-5-HT, psilocin, psilocybin)
 -  TGBA01AD 
 -  U-92016-A 
 -  Urapidil 
 -  Vilazodone 
 -  Xaliproden 
 -  Yohimbine 
 
  |  - Positive allosteric modulators: Oleamide 
 
  |  - Antagonists: Atypical antipsychotics (e.g., iloperidone, risperidone, sertindole)
 -  AV965 
 -  Beta blockers (e.g., alprenolol, carteolol, cyanopindolol, iodocyanopindolol, isamoltane, oxprenolol, penbutolol, pindobind, pindolol, propranolol, tertatolol)
 -  BMY-7378 
 -  CSP-2503 
 -  Dotarizine 
 -  Ergolines (e.g., metergoline)
 -  FCE-24379 
 -  Flopropione 
 -  GR-46611 
 -  Isamoltane 
 -  Lecozotan 
 -  Mefway 
 -  Metitepine (methiothepin) 
 -  MIN-117 (WF-516) 
 -  MPPF 
 -  NAN-190 
 -  Robalzotan 
 -  S-15535 
 -  SB-649915 
 -  SDZ 216-525 
 -  Spiperone 
 -  Spiramide 
 -  Spiroxatrine 
 -  UH-301 
 -  WAY-100135 
 -  WAY-100635 
 -  Xylamidine 
 
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 |  5-HT1B  | - Agonists: Anpirtoline 
 -  CGS-12066A 
 -  CP-93129 
 -  CP-94253 
 -  CP-122288 
 -  CP-135807 
 -  Eltoprazine 
 -  Ergolines (e.g., bromocriptine, dihydroergotamine, ergotamine, methylergometrine (methylergonovine), methysergide, pergolide)
 -  mCPP 
 -  RU-24969 
 -  Serotonin (5-HT) 
 -  Triptans (e.g., avitriptan, donitriptan, eletriptan, sumatriptan, zolmitriptan)
 -  TFMPP 
 -  Tryptamines (e.g., 5-BT, 5-CT, 5-MT, DMT)
 -  Vortioxetine 
 
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 |  5-HT1D  | - Agonists: CP-122288 
 -  CP-135807 
 -  CP-286601 
 -  Ergolines (e.g., bromocriptine, cabergoline, dihydroergotamine, ergotamine, LSD, methysergide)
 -  GR-46611 
 -  L-694247 
 -  L-772405 
 -  mCPP 
 -  PNU-109291 
 -  PNU-142633 
 -  Serotonin (5-HT) 
 -  TGBA01AD 
 -  Triptans (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)
 
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 |  5-HT1E  |  | 
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 |  5-HT1F  |  | 
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|---|
|  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-FLY 
 -  2CB-Ind 
 -  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)
 -  AL-34662 
 -  AL-37350A 
 -  Bromo-DragonFLY 
 -  Dimemebfe 
 -  DMBMPP 
 -  DOx (e.g., DOB, DOC, DOI, DOM)
 -  Efavirenz 
 -  Ergolines (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)
 -  Flumexadol 
 -  IHCH-7113 
 -  Jimscaline 
 -  Lorcaserin 
 -  MDxx (e.g., MDA (tenamfetamine), MDMA (midomafetamine), MDOH, MMDA)
 -  O-4310 
 -  Oxaflozane 
 -  PHA-57378 
 -  PNU-22394 
 -  PNU-181731 
 -  RH-34 
 -  SCHEMBL5334361 
 -  Phenethylamines (e.g., lophophine, mescaline)
 -  Piperazines (e.g., BZP, quipazine, TFMPP)
 -  Serotonin (5-HT) 
 -  TCB-2 
 -  TFMFly 
 -  Tryptamines (e.g., 5-BT, 5-CT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine)
 
  |   |  - Antagonists: 5-I-R91150 
 -  5-MeO-NBpBrT 
 -  AC-90179 
 -  Adatanserin 
 -  Altanserin 
 -  Antihistamines (e.g., cyproheptadine, hydroxyzine, ketotifen, perlapine)
 -  AMDA 
 -  Atypical 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)
 -  Chlorprothixene 
 -  Cinanserin 
 -  CSP-2503 
 -  Deramciclane 
 -  Dotarizine 
 -  Eplivanserin 
 -  Ergolines (e.g., amesergide, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole)
 -  Fananserin 
 -  Flibanserin 
 -  Glemanserin 
 -  Irindalone 
 -  Ketanserin 
 -  KML-010 
 -  Landipirdine 
 -  LY-393558 
 -  mCPP 
 -  Medifoxamine 
 -  Metitepine (methiothepin) 
 -  MIN-117 (WF-516) 
 -  Naftidrofuryl 
 -  Nantenine 
 -  Nelotanserin 
 -  Opiranserin (VVZ-149) 
 -  Pelanserin 
 -  Phenoxybenzamine 
 -  Pimavanserin 
 -  Pirenperone 
 -  Pizotifen 
 -  Pruvanserin 
 -  Rauwolscine 
 -  Ritanserin 
 -  Roluperidone 
 -  S-14671 
 -  Sarpogrelate 
 -  Serotonin antagonists and reuptake inhibitors (e.g., etoperidone, hydroxynefazodone, lubazodone, mepiprazole, nefazodone, triazoledione, trazodone)
 -  SR-46349B 
 -  TGBA01AD 
 -  Teniloxazine 
 -  Temanogrel 
 -  Tetracyclic 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)
 -  Volinanserin 
 -  Xylamidine 
 -  Yohimbine 
 
  |   |  
  | 
|---|
 |  5-HT2B  | - Agonists: 4-Methylaminorex 
 -  Aminorex 
 -  Amphetamines (e.g., chlorphentermine, cloforex, dexfenfluramine, fenfluramine, levofenfluramine, norfenfluramine)
 -  BW-723C86 
 -  DOx (e.g., DOB, DOC, DOI, DOM)
 -  Ergolines (e.g., cabergoline, dihydroergocryptine, dihydroergotamine, ergotamine, methylergometrine (methylergonovine), methysergide, pergolide)
 -  Lorcaserin 
 -  MDxx (e.g., MDA (tenamfetamine), MDMA (midomafetamine), MDOH, MMDA)
 -  Piperazines (e.g., TFMPP)
 -  PNU-22394 
 -  Ro60-0175 
 -  Serotonin (5-HT) 
 -  Tryptamines (e.g., 5-BT, 5-CT, 5-MT, α-Me-5-HT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine)
 
  |  - Antagonists: Agomelatine 
 -  Atypical antipsychotics (e.g., amisulpride, aripiprazole, asenapine, brexpiprazole, cariprazine, clozapine, N-desalkylquetiapine (norquetiapine), N-desmethylclozapine (norclozapine), olanzapine, pipamperone, quetiapine, risperidone, ziprasidone)
 -  Cyproheptadine 
 -  EGIS-7625 
 -  Ergolines (e.g., amesergide, bromocriptine, lisuride, LY-53857, LY-272015, mesulergine)
 -  Ketanserin 
 -  LY-393558 
 -  mCPP 
 -  Metadoxine 
 -  Metitepine (methiothepin) 
 -  Pirenperone 
 -  Pizotifen 
 -  Propranolol 
 -  PRX-08066 
 -  Rauwolscine 
 -  Ritanserin 
 -  RS-127445 
 -  Sarpogrelate 
 -  SB-200646 
 -  SB-204741 
 -  SB-206553 
 -  SB-215505 
 -  SB-221284 
 -  SB-228357 
 -  SDZ SER-082 
 -  Tegaserod 
 -  Tetracyclic antidepressants (e.g., amoxapine, mianserin, mirtazapine)
 -  Trazodone 
 -  Typical antipsychotics (e.g., chlorpromazine)
 -  TIK-301 
 -  Yohimbine 
 
  |   |  
  | 
|---|
 |  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-372159 
 -  AL-38022A 
 -  Alstonine 
 -  CP-809101 
 -  Dimemebfe 
 -  DOx (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)
 -  Flumexadol 
 -  Lorcaserin 
 -  MDxx (e.g., MDA (tenamfetamine), MDMA (midomafetamine), MDOH, MMDA)
 -  MK-212 
 -  ORG-12962 
 -  ORG-37684 
 -  Oxaflozane 
 -  PHA-57378 
 -  Phenethylamines (e.g., lophophine, mescaline)
 -  Piperazines (e.g., aripiprazole, BZP, mCPP, quipazine, TFMPP)
 -  PNU-22394 
 -  PNU-181731 
 -  Ro60-0175 
 -  Ro60-0213 
 -  Serotonin (5-HT) 
 -  Tryptamines (e.g., 5-BT, 5-CT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine)
 -  Vabicaserin 
 -  WAY-629 
 -  WAY-161503 
 -  YM-348 
 
  |   |  - Antagonists: Adatanserin 
 -  Agomelatine 
 -  Atypical antipsychotics (e.g., asenapine, clorotepine, clozapine, fluperlapine, iloperidone, melperone, olanzapine, paliperidone, quetiapine, risperidone, sertindole, ziprasidone, zotepine)
 -  Captodiame 
 -  CEPC 
 -  Cinanserin 
 -  Cyproheptadine 
 -  Deramciclane 
 -  Desmetramadol 
 -  Dotarizine 
 -  Eltoprazine 
 -  Ergolines (e.g., amesergide, bromocriptine, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole)
 -  Etoperidone 
 -  Fluoxetine 
 -  FR-260010 
 -  Irindalone 
 -  Ketanserin 
 -  Ketotifen 
 -  Latrepirdine (dimebolin) 
 -  Medifoxamine 
 -  Metitepine (methiothepin) 
 -  Nefazodone 
 -  Pirenperone 
 -  Pizotifen 
 -  Propranolol 
 -  Ritanserin 
 -  RS-102221 
 -  S-14671 
 -  SB-200646 
 -  SB-206553 
 -  SB-221284 
 -  SB-228357 
 -  SB-242084 
 -  SB-243213 
 -  SDZ SER-082 
 -  Tedatioxetine 
 -  Tetracyclic antidepressants (e.g., amoxapine, aptazapine, esmirtazapine, maprotiline, mianserin, mirtazapine)
 -  TIK-301 
 -  Tramadol 
 -  Trazodone 
 -  Tricyclic antidepressants (e.g., amitriptyline, nortriptyline)
 -  Typical antipsychotics (e.g., chlorpromazine, loxapine, pimozide, pipamperone, thioridazine)
 -  Xylamidine 
 
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  | 
|---|
|  5-HT3 –7  | |  5-HT3  | - Agonists: Alcohols (e.g., butanol, ethanol (alcohol), trichloroethanol)
 -  m-CPBG 
 -  Phenylbiguanide 
 -  Piperazines (e.g., BZP, mCPP, quipazine)
 -  RS-56812 
 -  Serotonin (5-HT) 
 -  SR-57227 
 -  SR-57227A 
 -  Tryptamines (e.g., 2-Me-5-HT, 5-CT, bufotenidine (5-HTQ))
 -  Volatiles/gases (e.g., halothane, isoflurane, toluene, trichloroethane)
 -  YM-31636 
 
  |   |  - Antagonists: Alosetron 
 -  Anpirtoline 
 -  Arazasetron 
 -  AS-8112 
 -  Atypical antipsychotics (e.g., clozapine, olanzapine, quetiapine)
 -  Azasetron 
 -  Batanopride 
 -  Bemesetron (MDL-72222) 
 -  Cilansetron 
 -  CSP-2503 
 -  Dazopride 
 -  Dolasetron 
 -  Galanolactone 
 -  Granisetron 
 -  Lerisetron 
 -  Memantine 
 -  Ondansetron 
 -  Palonosetron 
 -  Ramosetron 
 -  Renzapride 
 -  Ricasetron 
 -  Tedatioxetine 
 -  Tetracyclic antidepressants (e.g., amoxapine, mianserin, mirtazapine)
 -  Thujone 
 -  Tropanserin 
 -  Tropisetron 
 -  Typical antipsychotics (e.g., loxapine)
 -  Volatiles/gases (e.g., nitrous oxide, sevoflurane, xenon)
 -  Vortioxetine 
 -  Zacopride 
 -  Zatosetron 
 
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 |  5-HT4  |  | 
|---|
 |  5-HT5A  |  | 
|---|
 |  5-HT6  | - Agonists: Ergolines (e.g., dihydroergocryptine, dihydroergotamine, ergotamine, lisuride, LSD, mesulergine, metergoline, methysergide)
 -  Hypidone 
 -  Serotonin (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-181187 
 -  WAY-208466 
 
  |  - Antagonists: ABT-354 
 -  Atypical antipsychotics (e.g., aripiprazole, asenapine, clorotepine, clozapine, fluperlapine, iloperidone, olanzapine, tiospirone)
 -  AVN-101 
 -  AVN-211 
 -  AVN-322 
 -  AVN-397 
 -  BGC20-760 
 -  BVT-5182 
 -  BVT-74316 
 -  Cerlapirdine 
 -  EGIS-12233 
 -  GW-742457 
 -  Idalopirdine 
 -  Ketanserin 
 -  Landipirdine 
 -  Latrepirdine (dimebolin) 
 -  Masupirdine 
 -  Metitepine (methiothepin) 
 -  MS-245 
 -  PRX-07034 
 -  Ritanserin 
 -  Ro 04-6790 
 -  Ro 63-0563 
 -  SB-258585 
 -  SB-271046 
 -  SB-357134 
 -  SB-399885 
 -  SB-742457 
 -  Tetracyclic 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)
 -  Butaclamol 
 -  DR-4485 
 -  EGIS-12233 
 -  Ergolines (e.g., 2-Br-LSD (BOL-148), amesergide, bromocriptine, cabergoline, dihydroergotamine, ergotamine, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole)
 -  JNJ-18038683 
 -  Ketanserin 
 -  LY-215840 
 -  Metitepine (methiothepin) 
 -  Ritanserin 
 -  SB-258719 
 -  SB-258741 
 -  SB-269970 
 -  SB-656104 
 -  SB-656104A 
 -  SB-691673 
 -  SLV-313 
 -  SLV-314 
 -  Spiperone 
 -  SSR-181507 
 -  Tetracyclic 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 
 
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