Library mda MDA is a synthetic entactogen of the amphetamine class that produces stimulant and mild psychedelic effects alongside its empathogenic prop…

Library mddm MDDMA, or MDDM, also known as 3,4-methylenedioxy-N,N-dimethylamphetamine or as N,N-dimethyl-MDA or N-methyl-MDMA, is a psychoactive drug of…

Library mdea MDEA is a Schedule I controlled substance in most countries. The substance is characterized by a more sedating, 'stoning' quality compared…

Library mdma MDMA is a classical entactogen of the substituted amphetamine class, first developed in 1912 by the pharmaceutical company Merck. It remain…

Library mdmpea MDMPEA is an obscure research compound patented by Merck in 1956 as an antitussive but never marketed clinically. Animal studies showed onl…

Library mdpa An obscure substituted methylenedioxyphenethylamine with practically no history of human use. Its pharmacological profile is largely unknow…

Library mdpr MDPR is a synthetic phenethylamine. Very little is known about its possible effects as there is nearly no history of human use.

Library meai MEAI, also known as 5-methoxy-2-aminoindane (5-MeO-AI) and by its developmental code name CMND-100, is an entactogen-like psychoactive drug…

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Library mem MEM is a rare psychedelic amphetamine first synthesized by Alexander Shulgin and described in PiHKAL as entry #122. It is structurally rela…

Library mescaline 3,4,5-Trimethoxyphenethylamine (also known as mescaline) is a naturally-occurring classical psychedelic substance of the phenethylamine cla…

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Library mescaline_cacti Many cacti are known to be psychoactive, containing phenethylamine alkaloids such as mescaline. However, the two main ritualistic (folklori…

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Library mescalinenb2ome NBOMe-mescaline, also known as mescaline-NBOMe, M-NBOMe, or N-(2-methoxybenzyl)-3,4,5-trimethoxyphenethylamine, is a serotonin receptor ago…

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Library methallylescaline Methallylescaline (MAL) is a synthetic psychedelic of the substituted phenethylamine class and a structural analog of mescaline. Its effect…

Library methcathinone Methcathinone is a synthetic stimulant of the cathinone and phenethylamine classes. First synthesized in 1928 in the United States, it was…

Library methiopropamine Methiopropamine is a synthetic stimulant of the thiophene class and a structural analogue of methamphetamine, first synthesized in 1942. De…

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Library methylk Data are extremely scarce: only one formal PiHKAL trial (100 mg oral produced no overt effects) and a handful of 2025 forum / Reddit self-e…

Library methylone Methylone is a synthetic stimulant and entactogen of the cathinone class. First synthesized by Peyton Jacob III and Alexander Shulgin in 19…

Library mmdma 5-Methoxy-3,4-methylenedioxymethamphetamine is a designer drug of the substituted methylenedioxyphenethylamine (MDxx) class. Little is know…

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Library nacetyl2ci

Library nbx N-Benzylphenethylamine (also known as NBx) is a general classification of phenethylamines which have a benzyl substitution on the nitrogen…