What's three,four-DMMC?3,4-DMMC, also known as 3,4-Dimethylmethcathinone, is usually a synthetic stimulant belonging on the cathinone family. Cathinones are psychoactive substances that have effects just like amphetamines, and three,4-DMMC is no exception. It shares structural similarities with mephedrone (four-MMC), A further perfectly-recognised