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|  | | No ring subs. |  | 
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 | 4-Hydroxytryptamines |  | 
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 | 5-Hydroxytryptamines |  | 
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 | 5-Methoxytryptamines |  | 
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 | Other ring subs. |  2,N,N-TMT4,N,N-TMT5-Bromo-DMT5-Chloro-DMT5-Fluoro-DMT5-N,N-TMT7,N,N-TMT5-MeO-2,N,N-TMT5-MeO-4,N,N-TMT6-Fluoro-DMTBretisilocin (GM-2505; 5-fluoro-MET)
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 | α-Alkyltryptamines |   5-Methoxy-α-alkyltryptamines: 5-MeO-AETα,N,N-TMT (α-Me-DMT; Alpha-N)5-MeO-AMT (α,O-DMS; Alpha-O)α,N,O-TMS (5-MeO-α,N-DMT)α,N,N,O-TeMS (5-MeO-α,N,N-TMT)
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 | Others |  | 
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 |  |  Ergolines/lysergamides (e.g., LSD)β-Carbolines and Harmala alkaloids (e.g., harmine, harmaline, 6-methoxyharmalan)Iboga alkaloids (e.g., 18-MAC, 18-MC, coronaridine, ibogaine, ibogamine, ME-18-MC, noribogaine, tabernanthine, voacangine)Ibogalogs (e.g., ibogainalog)O-MethylnordehydrobufoteninePartial ergolines (e.g., NDTDI, RU-28306, CT-5252)Piperidinylethylindoles (e.g., pip-T)Pyrrolidinylethylindoles (e.g., pyr-T, 5-MeO-pyr-T)Pyrrolidinylmethylindoles (e.g., MPMI, 4-HO-MPMI (lucigenol), 5-MeO-MPMI)
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 |  |  Benzofurans (e.g., 5-MeO-DiBF, dimemebfe (5-MeO-BFE), mebfap)Benzothiophenes (e.g., 3-APBT)Indazolethylamines (e.g., AL-38022A, O-methyl-AL-34662)Indenylethylamines (e.g., C-DMT)Isotryptamines (e.g., 6-MeO-isoDMT, Ro60-0175)MYCO-005Quinolinylethylamines (e.g., mefloquine)
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 |  |     Others: 2C-G-x (e.g., 2C-G-3, 2C-G-5)β-Keto-2C-B (βk-2C-B)β-Keto-2C-I (βk-2C-I)β-Methyl-2C-B (BMB) (e.g., BOB, BOD, BOH-2C-B) (e.g., HOT-2, HOT-7, HOT-17)N-Ethyl-2C-B (e.g., 2CD-2-ETO, 2CD-5-ETO, 2CE-5-ETO, 2CE-5iPrO, 2CT2-5-ETO, ASR-2001 (2CB-5PrO))
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 | Others |  2-TOET2-TOM25B-NAcPip4-HA5-TOET5-TOMBenzofurans (e.g., 5-APB, 5-APDB, 6-APB, 6-APDB, F, F-2, F-22)Benzothiophenes (e.g., 5-APBT, 6-APBT)CT-5172DMAs (e.g., 2,4-DMA, 3,4-DMA)FenfluramineMMA (3-MeO-4-MA)Norfenfluramine (e.g., 25D-NM-NDEAOP, DOB-NDEPA, DOI-NDEPA, DOM-NDEPA, DOTFM-NDEPA, M-NDEPA, TMA-2-NDEPA)PMA (4-MA) (e.g., TMA-3, TMA-4, TMA-5)TOMSOZDCM-04
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 |  |  1-Aminomethylindanes (e.g., 2CB-Ind, jimscaline)2-Aminoindanes (e.g., DOM-AI)3-Phenylpiperidines (e.g., LPH-5, LPH-48)Benzazepines (e.g., lorcaserin)Benzocyclobutenes (e.g., 2CBCB-NBOMe, TCB-2, tomscaline)Benzoxepins (e.g., BBOX, IBOX, TFMBOX)DMBMPP (juncosamine)Ergolines/lysergamides (e.g., LSD)GlaucinePartial ergolines (e.g., NDTDI, DEIMDHPCA, DEMPDHPCA, DEMTMPDHPCA, DEMNDHPCA)Phenylcyclopropylamines (e.g., DMCPA, TMT)Phenyloxazolamines (aminorexes) (e.g., 2C-B-aminorex)Pyridopyrroloquinoxalines (e.g., IHCH-7113)Z3517967757ZC-B
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| Others |  Arylpiperazines (e.g., 2C-B-PP, 2-NP, mCPP, MK-212, ORG-12962, pCPP, pFPP, quipazine, TFMPP)Dihydrobenzoxazines (e.g., efavirenz)Phenoxyethylamines (e.g., CT-4719, ORG-37684)Pyridopyrroloquinoxalines (e.g., IHCH-7113)Quinazolinylethylamines (e.g., RH-34)
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| Natural sources |  Tryptamines: Acacia spp. (e.g., Acacia acuminata, Acacia confusa)Ayahuasca and vinho de Jurema (e.g., Psychotria viridis (chacruna), Dipolopterys cabrerana (chaliponga, chacruna), Mimosa tenuiflora (Mimosa hostilis; jurema))Brosimum (e.g., Brosimum acutifolium (takini))Hallucinogenic snuffs (e.g., Anadenanthera peregrina (yopo, jopo, cohoba, parica, ebene), Anadenanthera colubrina (vilca, cebil))Incilius alvarius (Bufo alvarius; Colorado River toad, Sonoran Desert toad; bufo)Psilocybin-containing mushrooms (magic mushrooms, shrooms) (e.g., Psilocybe cubensis, Psilocybe mexicana (teonanacatl))
 Lysergamides: Achnatherum robustum (sleepy grass)Epichloë spp.Ergot (Claviceps) (e.g., Claviceps purpurea, Claviceps paspali)Morning glory (Convolvulaceae) seeds (e.g., Ipomoea tricolor (tlitliltzin, badoh negro; Ipomoea violacea), Ipomoea corymbosa (coaxihuitl, ololiúqui; Rivea Corymbosa, Turbina Corymbosa), Argyreia nervosa (Hawaiian baby woodrose; HBWR))Periglandula spp. (e.g., Periglandula ipomoeae, Periglandula clandestina)
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|  See also: HallucinogensEntactogensTryptaminesPhenethylaminesErgolines and lysergamidesSerotonin receptor modulators
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