Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C6—H6⋯O2i | 0.93 | 2.60 | 3.511 (5) | 168 |
Symmetry code: (i) 
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