Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C15—H15⋯O1i | 0.93 | 2.58 | 3.481 (4) | 162 |
| C12—H12⋯O2ii | 0.93 | 2.56 | 3.308 (4) | 138 |
Symmetry codes: (i) 
; (ii) 
.
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