What on earth is three,four-DMMC?three,four-DMMC, also referred to as 3,four-Dimethylmethcathinone, is usually a synthetic stimulant belonging for the cathinone relatives. Cathinones are psychoactive substances that have effects just like amphetamines, and three,four-DMMC is no exception. It shares structural similarities with mephedrone (4-MMC), Y