6-EAPB 5-EAPB Para-Methoxyamphetamine, also known as 'PMA' and '4-MA' Paramethoxymethamphetamine, also known as 'PMMA', 'Methyl-MA', and '4-MMA' 4-Ethylamphetamine, also known as '4-EA' 3-Methoxy-4-methylamphetamine, also known as 'MMA' 4-Methylmethamphetamine, also known as '4-MMA' 4-Methylthioamphetamine, also known as '4-MTA' 4-Fluoroamphetamine, also known as '4-FA', 'PAL-303', 'Flux', 'Flits', 'R2D2', and 'Miley' Norfenfluramine, also known as '3-TFMA' Para-Iodoamphetamine, also known as 'PIA', '4-iodoamphetamine', and '4-IA' Para-Chloroamphetamine, also known as 'PCA', '4-chloroamphetamine', and '4-CA' Benzoxazines (more specifically cyclopropylethynylated benzoxazines) Substituted benzoxazines Efavirenz, the active constituent of Sustiva, Stocrin, and Efavir Empathogens/entactogens (serotonin (5-HT) releasing agents) Substituted methylenedioxy-phenethylamines (MDxx) MDMA, also known as 'Molly', and 'Mandy' MDA, also known as 'Sass' 2,3-MDA, also known as 'ORTHO-MDA' 5-Methyl-MDA MMDA, also known as '3-methoxy-MDA' MDEA, also known as 'MDE' MBDB MDAL MDBU MDBZ MDDM MDIP MDMEOET MDMEO MDOH, also known as 'MDH' MDHOET MDPL MDCPM MDPR BDB, also known as 'MDB' and 'J' MMDA-2 DiFMDA EIDA Ethyl-K, also known as 'EBDP' Lophophine†, also known as 'MMDPEA'; an active constituent of certain cacti, such as peyote and San Pedro Substituted amphetamines (exclusively; most of the substituted methylenedioxy-phenethylamines also overlap this category) EDMA Para-Methoxyamphetamine, also known as 'PMA' Paramethoxymethamphetamine, also known as 'PMMA' and 'Methyl-MA' 4-Ethylamphetamine, also known as '4-EA' 3-Methoxy-4-methylamphetamine, also known as 'MMA' 4-Methylmethamphetamine, also known as '4-MMA' 4-Methylthioamphetamine, also known as '4-MTA' 4-Fluoroamphetamine, also known as '4-FA', 'PAL-303', 'Flux', 'Flits', 'R2D2', and 'Miley' Norfenfluramine, also known as '3-TFMA' Para-Iodoamphetamine, also known as 'PIA', '4-iodoamphetamine', and '4-IA' Para-Chloroamphetamine, also known as 'PCA', '4-chloroamphetamine', and '4-CA' Substituted cathinones Methylone, also known as 'bk-MDMA' and 'MDMC' Ethylone, also known as 'bk-MDEA' and 'MDEC' Eutylone, also known as 'bk-EBDB' Butylone, also known as 'bk-MBDB' Pentylone, also known as 'bk-Methyl-K' and 'bk-MBDP' 4-Ethylmethcathinone, also known as '4-EMC' 3-Methylmethcathinone, also known as '3-MMC' Substituted benzofurans 5-APB 6-APB 5-APDB 6-APDB 5-MAPB 5-MAPDB 6-MAPDB, its psychedelic activity is disputed 6-MAPB 5-EAPB 6-EAPB 5-MBPB Substituted tetralins MDAT MDMAT 6-CAT Tetralinylaminopropane, also known as 'TAP' and '6-APT' Substituted indanes Trifluoromethylaminoindane, also known as 'TAI' Ethyltrifluoromethylaminoindane, also known as 'ETAI' 5-Iodo-2-aminoindane, also known as '5-IAI' MMAI MDAI MDMAI Indanylaminopropane, also known as '5-APDI' and 'IAP' Substituted naphthalenes Naphthylaminopropane, also known as 'NAP' and 'PAL-287' Substituted phenylisobutylamines (alpha-ethyl-phenethylamines) 4-chlorophenylisobutylamine, also known as '4-chloro-α-ethylphenethylamine', '4-CAB', and 'AEPCA' 4-Methylphenylisobutylamine, also known as '4-MAB' Ariadne, also known as 'α-Et-DOM', '4C-D', and 'Dimoxamine' Alpha-substituted (-alkylated) tryptamines α-methyltryptamine, also known as 'αMT' and 'AMT' 5-MeO-αMT α-ethyltryptamine, also known as 'αET' and 'AET' 4-Me-αET 7-Me-αET