What exactly is three,4-DMMC?three,four-DMMC, generally known as 3,four-Dimethylmethcathinone, is really a artificial stimulant belonging to the cathinone family. Cathinones are psychoactive substances which have consequences just like amphetamines, and 3,4-DMMC is not any exception. It shares structural similarities with mephedrone (four-MMC), One