Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C4—H4⋯O1i | 0.95 | 2.45 | 3.388 (2) | 168 |
| C12—H12A⋯O1i | 0.96 | 2.44 | 3.388 (2) | 169 |
Symmetry code: (i) 
.
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