Figure 6.
Positive ion electrospray product ion tandem mass spectra of CYP2D6 inhibitors protopine (A) and allocryptopine (B). The identity of each compound was confirmed by comparison with an authentic standard.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.