Precisely what is three,4-DMMC?three,4-DMMC, also known as three,4-Dimethylmethcathinone, is a synthetic stimulant belonging to the cathinone household. Cathinones are psychoactive substances that have results just like amphetamines, and three,four-DMMC isn't any exception. It shares structural similarities with mephedrone (4-MMC), An additional ve