What exactly is 3,four-DMMC?3,4-DMMC, also known as 3,four-Dimethylmethcathinone, is a synthetic stimulant belonging on the cathinone family. Cathinones are psychoactive substances that have outcomes similar to amphetamines, and 3,four-DMMC is no exception. It shares structural similarities with mephedrone (4-MMC), A different well-identified stimu