Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H22⋯O1i | 0.94 (3) | 1.84 (3) | 2.775 (3) | 170 (3) |
Symmetry code: (i) 
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