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