Fig. 2.
Crystal packing view of (I), showing the hydrogen bonds as dashed lines. Symmetry codes, as in Table 1.
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.