Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C8—H8A⋯O2i | 0.96 | 2.57 | 3.517 (5) | 170 |
| C19—H19⋯O1ii | 0.93 | 2.39 | 3.260 (4) | 157 |
Symmetry codes: (i) 
; (ii) 
.
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