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.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H2⋯O2i | 0.86 | 1.90 | 2.747 (2) | 169 (2) |
| C5—H5⋯Cg1ii | 0.93 | 2.67 | 3.560 (2) | 160 (2) |
| C11—H11⋯Cg2iii | 0.93 | 2.95 | 3.760 (2) | 146 (2) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
. Cg1 and Cg2 are centroids of the C9–C14 and N1/C15/N2/C16/C21 rings, respectively.
