3,4-Dimethylmethcathinone
3,4-Dimethylmethcathinone (3,4-DMMC) is a stimulant drug first reported in 2010 as a designer drug analogue of mephedrone, apparently produced in response to the banning of mephedrone, following its widespread abuse in many countries in Europe and around the world. 3,4-DMMC has been seized as a designer drug in Australia.
Source: Wikipedia — 3,4-Dimethylmethcathinone (CC BY-SA 4.0)