Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1n⋯O1i | 0.86 | 2.07 | 2.884 (4) | 159 |
Symmetry code: (i) 
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