| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1N···N3i | 0.85 (2) | 2.04 (2) | 2.839 (2) | 157 (2) |
| N2—H2N···O3Aii | 0.85 (2) | 2.17 (2) | 2.873 (8) | 140.2 (18) |
| N2—H2N···O4ii | 0.85 (2) | 2.27 (2) | 3.098 (5) | 166.1 (19) |
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