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.
Cg1 and Cg2 are the centroids of the C1–C6 and C12–C17 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H2A⋯Cg1i | 0.88 | 2.63 | 3.327 (2) | 137 |
| C7—H7B⋯Cg2ii | 0.99 | 2.83 | 3.579 (2) | 133 |
| C20—H20B⋯Cg2i | 0.99 | 2.81 | 3.434 (2) | 132 |
Symmetry codes: (i) 
; (ii) 
.
