Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H2C⋯O2iii | 0.86 | 1.95 | 2.784 (4) | 164 |
Symmetry code: (iii) 
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