Table 2. Hydrogen-bond geometry (Å, °) for (I) .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1—H1⋯N1i | 0.90 (6) | 1.94 (6) | 2.834 (5) | 177 (6) |
Symmetry code: (i) 
.
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