Exactly what is three,4-DMMC?three,4-DMMC, also known as 3,four-Dimethylmethcathinone, is really a artificial stimulant belonging to the cathinone loved ones. Cathinones are psychoactive substances which have effects much like amphetamines, and three,four-DMMC is no exception. It shares structural similarities with mephedrone (4-MMC), A different n