Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C4—H4⋯O1i | 0.93 | 2.59 | 3.513 (4) | 174 |
| C9—H9⋯O2i | 0.93 | 2.51 | 3.420 (3) | 167 |
| C16—H16⋯O2i | 0.93 | 2.71 | 3.551 (3) | 151 |
| C16—H16⋯O3i | 0.93 | 2.63 | 3.338 (3) | 133 |
Symmetry code: (i) 
.
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