Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C20—H20a⋯N3 | 0.96 | 2.46 | 3.184 (4) | 132 |
| C9—H9a⋯O2i | 0.97 | 2.60 | 3.412 (5) | 142 |
| C21—H21b⋯O3ii | 0.97 | 2.48 | 3.252 (4) | 136 |
Symmetry codes: (i) 
; (ii) 
.
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.