What on earth is 3,4-DMMC?three,four-DMMC, generally known as three,four-Dimethylmethcathinone, is actually a synthetic stimulant belonging into the cathinone loved ones. Cathinones are psychoactive substances which have outcomes much like amphetamines, and three,four-DMMC is no exception. It shares structural similarities with mephedrone (four-MMC