What's 3,four-DMMC?3,4-DMMC, also known as three,four-Dimethylmethcathinone, is a synthetic stimulant belonging into the cathinone family members. Cathinones are psychoactive substances which have effects just like amphetamines, and 3,4-DMMC is not any exception. It shares structural similarities with mephedrone (four-MMC), another perfectly-known