Α-Pyrrolidinopentiophenone

α-Pyrrolidinovalerophenone (α-PVP), also known as α-pyrrolidinopentiophenone , O-2387, β-keto-prolintane, prolintanone, or desmethylpyrovalerone, or colloquially as flakka or gravel, is a synthetic stimulant of the cathinone class developed in the 1960s that has been sold as a designer drug and often consumed for recreational reasons. α-PVP is chemically related to pyrovalerone and is the ketone analog of prolintane.

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