Exactly what is three,4-DMMC?three,four-DMMC, also referred to as 3,four-Dimethylmethcathinone, is usually a synthetic stimulant belonging on the cathinone spouse and children. Cathinones are psychoactive substances that have results much like amphetamines, and 3,four-DMMC is not any exception. It shares structural similarities with mephedrone (fou