What's three,four-DMMC?3,4-DMMC, also known as 3,four-Dimethylmethcathinone, is usually a synthetic stimulant belonging on the cathinone relatives. Cathinones are psychoactive substances that have results just like amphetamines, and three,four-DMMC is no exception. It shares structural similarities with mephedrone (4-MMC), A different well-recogniz