a-pihp a-PiHP or 4-Me-PVP, a-pyrrolidinoisohexaphenone, 4M-PVP is a new drug, pyrrolidine, developed as an analogue and substitute for MDPV and a-PVP. a-PiHP (α-Pyrrolidinohexiophenone) cathinone, like a-PVP,...
