Exactly what is three,4-DMMC?3,four-DMMC, also known as 3,four-Dimethylmethcathinone, is usually a synthetic stimulant belonging for the cathinone relatives. Cathinones are psychoactive substances that have results much like amphetamines, and three,four-DMMC isn't any exception. It shares structural similarities with mephedrone (four-MMC), another