Figure 2.
(A,B) Key HMBC, COSY, and NOESY correlations of 1; (C) X-ray structure of 1.
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.