What exactly is three,4-DMMC?three,4-DMMC, often called 3,4-Dimethylmethcathinone, is usually a synthetic stimulant belonging to your cathinone family members. Cathinones are psychoactive substances which have effects much like amphetamines, and three,4-DMMC isn't any exception. It shares structural similarities with mephedrone (four-MMC), An addit