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Library mdprolintane MD-prolintane is the 3,4-methylenedioxy analogue of prolintane and structurally the de-ketone counterpart of MDPV. Users describe functiona…

Library mdpv MDPV is a synthetic stimulant of the cathinone and pyrrolidine classes, first developed in the 1960s by Boehringer Ingelheim as a potential…

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…

Library meclofenoxate Meclofenoxate is not FDA-approved in the United States but is sold as a dietary supplement; it is a prescription medication in some countri…

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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 memantine Memantine is an adamantane derivative and NMDA receptor antagonist primarily prescribed for the management of moderate-to-severe Alzheimer'…

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Library meoai_betaine

Library meopp para-Methoxyphenylpiperazine (pMeOPP), also known as 4-methoxyphenylpiperazine (4-MeOPP), is a substituted piperazine derivative with stimu…

Library mephentermine Mephentermine, sold under the brand name Wyamine among others, is a sympathomimetic medication which was previously used in the treatment o…

Library mephtetramine Has a Phenpropylamine backbone like Methylphenidate. Seems barely active past negative physical effects. Only reports that include activity…

Library metamfepramone Metamfepramone is a stimulant drug of the phenethylamine, and cathinone chemical classes. Dimethylcathinone was evaluated as an appetite su…

Library metamizole Metamizole or dipyrone is a painkiller, spasm reliever, and fever reliever drug. It is most commonly given by mouth or by intravenous infus…

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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 methamnetamine A selective serotonin releaser, which also shows some light psychedelic activity. Almost always taken with a stimulant, to cause euphoric e…

Library methamphetamine Desoxyn is pharmaceutical dextromethamphetamine prescribed for ADHD and rarely for severe obesity. It is significantly more potent and long…

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

Library methedrone BK-PMMA Closely related to PMMA and others. Stimulant.

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 methoxybuphedrone

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Library methylated_cocaine