Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C5—H5⋯O10i | 0.93 | 2.44 | 3.198 (4) | 139 |
| C9—H92⋯O7ii | 0.97 | 2.56 | 3.406 (4) | 146 |
Symmetry codes: (i) 
; (ii) 
.
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