What on earth is three,4-DMMC?three,4-DMMC, generally known as 3,four-Dimethylmethcathinone, is a synthetic stimulant belonging into the cathinone loved ones. Cathinones are psychoactive substances which have effects just like amphetamines, and 3,four-DMMC is not any exception. It shares structural similarities with mephedrone (4-MMC), One more wel