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Cg1 is the centroid of the C1–C4/N2/N3 ring.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1A⋯Cli | 0.86 | 2.42 | 3.260 (2) | 167 |
| N1—H1B⋯Clii | 0.86 | 2.57 | 3.262 (2) | 138 |
| N2—H2N⋯Cl | 0.86 | 2.22 | 3.042 (2) | 161 |
| C5—H5A⋯Cg1iii | 0.96 | 3.00 | 3.446 (3) | 110 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
