What on earth is three,4-DMMC?3,four-DMMC, often called 3,four-Dimethylmethcathinone, can be a synthetic stimulant belonging into the cathinone family members. Cathinones are psychoactive substances which have consequences similar to amphetamines, and 3,4-DMMC is no exception. It shares structural similarities with mephedrone (4-MMC), A different w