Figure 16.
Chemical structures of sigmosceptrellin A (48) and of its C-3 epimer sigmosceptrellin B (49).
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.