What on earth is three,4-DMMC?three,4-DMMC, often called three,four-Dimethylmethcathinone, is actually a synthetic stimulant belonging on the cathinone spouse and children. Cathinones are psychoactive substances that have effects comparable to amphetamines, and 3,4-DMMC is not any exception. It shares structural similarities with mephedrone (four-M