Figure 5.
Di(phenylethynyl) azulene species developed by Venkatesan et al. in 2013 [50].
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.