3-Chloro-4-fluorophenylpiperazine (3,4-CFP, Kleferein) is a psychoactive drug of the phenylpiperazine class. It has been sold as a designer drug, first being identified in Poland in 2019.[1][2]

See also

References

  1. ↑ Karta oceny substancji 3,4-CFP (kleferein)
  2. ↑ "Клефереин (3,4-CFP)". АИПСИН (in Russian). Retrieved 1 January 2026.
source: https://en.wikipedia.org/wiki/3,4-CFP