Exactly what is three,4-DMMC?three,four-DMMC, often known as three,4-Dimethylmethcathinone, is actually a artificial stimulant belonging towards the cathinone household. Cathinones are psychoactive substances which have results just like amphetamines, and three,four-DMMC isn't any exception. It shares structural similarities with mephedrone (4-MMC)