Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C7—H7C⋯O2i | 0.96 | 2.36 | 3.315 (6) | 172 |
| C15—H15A⋯O1ii | 0.96 | 2.38 | 3.167 (5) | 138 |
Symmetry codes: (i) 
; (ii) 
.
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