What on earth is three,4-DMMC?three,four-DMMC, often known as three,4-Dimethylmethcathinone, is often a synthetic stimulant belonging to your cathinone family. Cathinones are psychoactive substances that have consequences much like amphetamines, and three,4-DMMC isn't any exception. It shares structural similarities with mephedrone (four-MMC), An a