What exactly is 3,four-DMMC?three,4-DMMC, generally known as 3,four-Dimethylmethcathinone, is usually a synthetic stimulant belonging to your cathinone family members. Cathinones are psychoactive substances that have consequences similar to amphetamines, and 3,4-DMMC isn't any exception. It shares structural similarities with mephedrone (four-MMC),