4'-Methyl-α-pyrrolidinopropiophenone
4'-Methyl-α-pyrrolidinopropiophenone (4-MePPP, MPPP or MαPPP) is a stimulant drug and substituted cathinone. It is structurally very similar to α-PPP, with only one added methyl group in the para position on the phenyl ring.
Source: Wikipedia — 4'-Methyl-α-pyrrolidinopropiophenone (CC BY-SA 4.0)