5-Methylmethiopropamine (5-MMPA, mephedrene) is a stimulant drug which is a ring-substituted derivative of methiopropamine. It is not a substituted cathinone derivative like mephedrone, as it lacks a ketone group at the β position of the aliphatic side chain, but instead more closely resembles substituted amphetamines. It has been sold as a designer drug, first being identified in Germany in June 2020.New psychoactive substances: global markets, glocal threats and the COVID-19 pandemic. European Monitoring Center for Drugs and Drug Addiction, December 2020
See also 3-Chloromethamphetamine 3-Methylamphetamine 3-Methylmethcathinone 5-Cl-bk-MPA Ethiopropamine
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