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| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1A⋯N2 | 0.80 (4) | 2.44 (4) | 3.172 (5) | 154 (3) |
| N1—H1B⋯Br1 | 0.79 (4) | 2.68 (4) | 3.094 (4) | 115 (4) |
| N2—H2A⋯N1i | 0.81 (4) | 2.43 (4) | 3.155 (5) | 149 (4) |
| N2—H2B⋯Br2 | 0.75 (4) | 2.70 (4) | 3.082 (4) | 114 (3) |
Symmetry code: (i) 
.
