Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3B⋯O2i | 0.99 | 2.68 | 3.5827 (13) | 152 |
| C1—H1B⋯O3ii | 0.98 | 2.63 | 3.4617 (14) | 142 |
Symmetry codes: (i) 
; (ii) 
.
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