4-Chloro-α-pyrrolidinovalerophenone
4-Chloro-α-pyrrolidinovalerophenone is an emerging recreational designer drug of the pyrrolidinophenone class, similar in structure to α-pyrrolidinopentiophenone. The pharmacology and toxicity of this compound is unknown, though it is presumed to be a stimulant drug.
In the United States, 4-chloro-α-PVP is a Schedule I Controlled Substance.