Table 2. Hydrogen-bond geometry (Å, °) for 1 .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O27—H27⋯O45 | 0.84 | 1.72 | 2.553 (2) | 171 |
| O44—H44⋯O23i | 0.84 | 1.84 | 2.645 (2) | 160 |
| N31—H31⋯O45 | 0.88 | 1.87 | 2.672 (2) | 151 |
| N11—H11⋯O23 | 0.88 | 1.87 | 2.749 (2) | 174 |
Symmetry code: (i) 
.
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