Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3⋯O5i | 0.95 | 2.39 | 3.183 (3) | 141 |
| C8—H8⋯O5ii | 0.95 | 2.34 | 3.204 (3) | 152 |
Symmetry codes: (i) 
; (ii) 
.
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