Figure 2.
(a) 1H NMR spectra of the PAIs (DMF-d7, 25 °C). (b) magnified 1H NMR of PAI-2.
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.