Figure 1.
(a) UV–Vis spectra of 4 in different solvents. (b) 4 in DCM at different concentrations.
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.