What is 3,4-DMMC?three,four-DMMC, also called 3,4-Dimethylmethcathinone, is often a artificial stimulant belonging towards the cathinone spouse and children. Cathinones are psychoactive substances which have results comparable to amphetamines, and 3,four-DMMC is no exception. It shares structural similarities with mephedrone (4-MMC), Yet another ve