| D—H···A | D—H | H···A | D···A | D—H···A |
| N2—H2···O1i | 0.87 (2) | 1.98 (2) | 2.840 (2) | 175 (2) |
| N3—H3···N1ii | 0.93 (2) | 2.28 (2) | 3.200 (2) | 168.7 (19) |
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