What's 3,4-DMMC?three,4-DMMC, also referred to as three,four-Dimethylmethcathinone, is usually a artificial stimulant belonging on the cathinone household. Cathinones are psychoactive substances that have effects comparable to amphetamines, and three,4-DMMC isn't any exception. It shares structural similarities with mephedrone (4-MMC), An additiona