What is three,4-DMMC?three,4-DMMC, also called 3,4-Dimethylmethcathinone, is really a artificial stimulant belonging for the cathinone family. Cathinones are psychoactive substances which have results just like amphetamines, and 3,4-DMMC isn't any exception. It shares structural similarities with mephedrone (4-MMC), One more nicely-regarded stimula