DMMDA-2 (2,3-dimethoxy-4,5-methylenedioxyamphetamine) -see https://en.wikipedia.org/wiki/DMMDA-2. This is Schedule I controlled substance! DMMDA-2 is a psychedelic phenethylamine discussed by Alexander Shulgin in his book PiHKAL (Phenethylamines i Have Known And Loved), however he was not the first to synthesize it.