What is three,four-DMMC?3,4-DMMC, generally known as 3,four-Dimethylmethcathinone, is usually a synthetic stimulant belonging on the cathinone spouse and children. Cathinones are psychoactive substances that have results comparable to amphetamines, and 3,four-DMMC isn't any exception. It shares structural similarities with mephedrone (four-MMC), An