Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C7—H7B⋯O1i | 0.97 | 2.47 | 3.415 (3) | 166 |
| C8—H8⋯N3i | 0.93 | 2.61 | 3.536 (3) | 172 |
Symmetry code: (i) 
.
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