para-Fluorophenylpiperazine

para-Fluorophenylpiperazine (pFPP, 4-FPP, 4-Fluorophenylpiperazine; Fluoperazine, Flipiperazine) is a piperazine derivative with mildly psychedelic and euphoriant effects. It has been sold as an ingredient in legal recreational drugs known as "Party pills", initially in New Zealand and subsequently in other countries around the world.