Table 2. Hydrogen-bond geometry (Å, °) for (II) .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1N⋯O2i | 0.86 (2) | 2.06 (2) | 2.913 (4) | 168 (4) |
| C5—H5⋯O1ii | 0.93 | 2.44 | 3.303 (5) | 155 |
Symmetry codes: (i) 
; (ii) 
.
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