2,5-Dimethoxy-4-ethoxyamphetamine

MEM, also known as 2,5-dimethoxy-4-ethoxyamphetamine or as TMA2-4-EtO, is a psychedelic drug of the phenethylamine, amphetamine, and DOx families related to TMA-2. It is the analogue of TMA-2 in which the methoxy group at the 4 position has been replaced with an ethoxy group.