Figure 4.
X-ray crystal structures of (a) 10 and (b) 11 with thermal ellipsoids at 50% probability; all hydrogen atoms have been omitted for the sake of clarity.
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.