What's three,4-DMMC?three,4-DMMC, generally known as three,four-Dimethylmethcathinone, is often a synthetic stimulant belonging on the cathinone loved ones. Cathinones are psychoactive substances which have results just like amphetamines, and 3,four-DMMC is not any exception. It shares structural similarities with mephedrone (4-MMC), A different ni