Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C6—H6⋯O1i | 0.98 | 2.57 | 3.504 (2) | 160 |
| C8—H8C⋯O1i | 0.96 | 2.25 | 3.203 (2) | 174 |
Symmetry code: (i) 
.
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