P2P is phenyl-2-propanone, an ingredient in some methods of synthesizing methamphetamine. In supply chain terms, it is much harder to restrict than the previous

P2P is phenyl-2-propanone, an ingredient in some methods of synthesizing methamphetamine. In supply chain terms, it is much harder to restrict than the previously-popular ephedrine and pseudoephedrine because it can be synthesized from many common chemicals.