Mephedrone, Also Known As 4-methylmethcathinone, 4-MMC, And 4-methylephedrone, Is A Synthetic Stimulant Drug Of The Amphetamine And Cathinone Classes. Slang Names Include Drone, M-CAT, White Magic, And Meow Meow. It Is Chemically Similar To The Cathinone Compounds Found In The Khat Plant Of