What on earth is three,four-DMMC?3,4-DMMC, also known as three,4-Dimethylmethcathinone, is usually a synthetic stimulant belonging into the cathinone family members. Cathinones are psychoactive substances that have effects similar to amphetamines, and three,4-DMMC is no exception. It shares structural similarities with mephedrone (four-MMC), anothe