What is three,four-DMMC?3,four-DMMC, also referred to as three,four-Dimethylmethcathinone, can be a artificial stimulant belonging into the cathinone household. Cathinones are psychoactive substances which have effects much like amphetamines, and three,4-DMMC is no exception. It shares structural similarities with mephedrone (four-MMC), A different