4'-Chloro-4-methylaminorex (4C-MAR, 4'-Cl-4-MAR) is a recreational designer drug from the substituted aminorex family, with stimulant effects. It has reportedly been sold since around 2021 and was first definitively identified in Austria in January 2022.
See also 2C-B-aminorex 2F-MAR 4B-MAR 4,4'-DMAR 4'-Fluoro-4-methylaminorex 4-Methylaminorex Clominorex MDMAR 4-Chloroamphetamine 4-Chloromethcathinone
References