MMDA (3-methoxy-4,5-methylendioxy-amphetamine) -see https://en.wikipedia.org/wiki/3-Methoxy-4,5-methylendioxyamphetamine. This is Schedule I controlled substance! MMDA (3-methoxy-4,5-methylenedioxyamphetamine; 3-methoxy-MDA) is a psychedelic and entactogen drug of the amphetamine class. It is an analogue of lophophine, MDA, and MDMA.