Figure 2.
Chromatogram and mass spectrum of leonurine. (A) Primary mass spectrum (resolution R=70000). (B) Secondary mass spectrum (resolution R=13500).
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.