• Stimulant
  • Paraperazine) is a piperazine derivative with stimulant effects which has been sold as an ingredient in "Party pills", initially in New Zealand and subsequently in other countries around the world. (wikipedia.org)
  • nitrogen
  • Piperazine (/paɪˈpɛrəziːn/) is an organic compound that consists of a six-membered ring containing two nitrogen atoms at opposite positions in the ring. (wikipedia.org)