What on earth is three,4-DMMC?three,4-DMMC, often known as 3,four-Dimethylmethcathinone, is really a synthetic stimulant belonging to your cathinone family members. Cathinones are psychoactive substances which have effects comparable to amphetamines, and three,4-DMMC is not any exception. It shares structural similarities with mephedrone (four-MMC)