Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1—H1⋯N1 | 0.84 (2) | 1.82 (2) | 2.659 (1) | 176 (2) |
| C5—H5⋯O2i | 0.95 | 2.46 | 3.159 (1) | 130 |
| C8—H8⋯O2ii | 0.95 | 2.57 | 3.252 (2) | 129 |
Symmetry codes: (i) 
; (ii) 
.
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