Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C5—H5⋯O2i | 0.95 | 2.36 | 3.245 (3) | 156 |
| C16—H16B⋯O2ii | 0.98 | 2.43 | 3.319 (3) | 151 |
Symmetry codes: (i) 
; (ii) 
.
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