Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H22⋯O1i | 0.859 (17) | 2.660 (17) | 3.3913 (17) | 143.8 (15) |
Symmetry code: (i) 
.
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