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.
The text states that DMMDA-2, a psychedelic phenethylamine, was described by Alexander Shulgin in his book "PiHKAL" but it wasn't the first time this compound was synthesized.