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| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1N⋯O2 | 0.858 (16) | 2.280 (16) | 3.0944 (11) | 158.5 (14) |
| N1—H2N⋯O3iii | 0.839 (17) | 2.274 (17) | 3.0642 (11) | 157.1 (17) |
| N2—H3N⋯O2iv | 0.845 (17) | 2.125 (17) | 2.9636 (10) | 171.6 (16) |
| N2—H4N⋯O2v | 0.859 (15) | 2.210 (15) | 3.0308 (10) | 159.7 (14) |
Symmetry codes: (iii) 
; (iv) 
; (v) 
.
