What's three,four-DMMC?3,four-DMMC, often known as 3,4-Dimethylmethcathinone, is usually a synthetic stimulant belonging into the cathinone household. Cathinones are psychoactive substances that have results similar to amphetamines, and three,four-DMMC is no exception. It shares structural similarities with mephedrone (four-MMC), An additional well