The root of A-PVP Well known as Pyrrolidinopentiophenone is also also known as alpha-pyrrolidinovalerophenone, alpha-PVP, O-2387, APVP, PVP,β-ketone-prolintane, Prolintanone). it is a synthetic stimulant drug of the cathinone class developed in the 1960s sometimes called flakka or gravel. A-PVP is chemically related to pyrovalerone and is the ketone analog of prolintane, and it is often used as a recreational drug and is considered a Schedule I drug under the Food and Drug Administration Safety and Innovation Act. Pyrovalerone is an inhibitor of the transporters for certain monoamine neurotransmitters, including dopamine and norepinephrine, preventing their uptake.1,2 α-Pyrrolidinopentiophenone (hydrochloride) is an analog of pyrovalerone, lacking only the methyl group that is found on the phenyl moiety of pyrovalerone. Like pyrovalerone, this compound is expected to be a psychoactive stimulant. This product is intended for forensic applications. At times most people get confused between A-pvp and A-php but click here and you shall find the differences.