| D—H···A | D—H | H···A | D···A | D—H···A |
| O1—H1···O3i | 0.85 (1) | 1.86 (4) | 2.600 (5) | 145 (6) |
| N2—H2A···O2ii | 0.85 (1) | 2.20 (2) | 3.040 (5) | 169 (5) |
| N2—H2B···O4 | 0.85 (1) | 2.45 (4) | 3.113 (6) | 136 (5) |
| O4—H4A···O3iii | 0.85 (1) | 2.09 (3) | 2.903 (5) | 161 (8) |
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