Appearance: White  powder .Welcome to http://www.online chem forest.A-PVP, α-Pyrrolidinopentiophenone (alpha-pyrrolidinovalerophenone, α-PVP, alpha-PVP, O-2387, β-ketone-prolintane) is a stimulant compound developed in the 1960s and related to pyrovalerone and is the ketone analog of prolintane. Order at http://www.onlinechemforest.com