Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1w—H1⋯N1 | 0.85 (7) | 2.14 (8) | 2.968 (5) | 165 (7) |
| O1w—H2⋯O2i | 0.90 (7) | 1.95 (7) | 2.855 (5) | 176 (6) |
Symmetry code: (i) 
.
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