Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1⋯O1i | 0.883 (19) | 1.94 (2) | 2.808 (2) | 169.5 (18) |
Symmetry code: (i) 
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