Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3⋯O1i | 0.93 | 2.39 | 3.267 (4) | 158 |
| C15—H15⋯O3ii | 0.93 | 2.53 | 3.353 (4) | 148 |
Symmetry codes: (i) 
; (ii) 
.
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