What's three,four-DMMC?3,4-DMMC, also referred to as three,4-Dimethylmethcathinone, is usually a synthetic stimulant belonging to your cathinone family members. Cathinones are psychoactive substances which have consequences much like amphetamines, and three,four-DMMC is no exception. It shares structural similarities with mephedrone (four-MMC), A f