alpha-Pyrrolidinopentiophenone Drug Description Descriptionα-Pyrrolidinopentiophenone is a synthetic stimulant of the cathinone class developed in the 1960s that has been sold as a designer drug. Colloquially, it is sometimes called flakka. α-PVP is chemically related to pyrovalerone and is the ketone analog of prolintane. Wikipedia Formula: C15H21NO Molar mass: 231.333 g/mol Boiling point: 113 °C ChemSpider ID: 9324063 ChEMBL Id: 205082 PubChem CID: 11148955 People also search for: Desomorphine, Mephedrone,.