Fig. 2.
(a,b) Packing and hydrogen bonding motif present in 4-AQ AH I°. Hydrogen bonds shown as red dotted lines in (a). Only one orientation of the disordered – CH3 group shown.
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.