Exactly what is three,four-DMMC?three,four-DMMC, also known as 3,four-Dimethylmethcathinone, is usually a artificial stimulant belonging into the cathinone family. Cathinones are psychoactive substances that have results just like amphetamines, and 3,four-DMMC is not any exception. It shares structural similarities with mephedrone (4-MMC), Yet anot