Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C11—H11A⋯N3 | 0.96 | 2.29 | 2.788 (4) | 112 |
| C8—H8A⋯O3i | 0.97 | 2.57 | 3.476 (3) | 154 |
| C8—H8B⋯O2ii | 0.97 | 2.63 | 3.551 (4) | 158 |
| C21—H21⋯O2ii | 0.93 | 2.46 | 3.136 (4) | 130 |
Symmetry codes: (i) 
; (ii) 
.
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