Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1⋯N2i | 0.86 | 2.07 | 2.9302 (19) | 174 |
| C3—H3⋯Cl2ii | 0.93 | 2.82 | 3.7483 (17) | 173 |
| C6—H6⋯S1 | 0.93 | 2.87 | 3.2056 (19) | 103 |
Symmetry codes: (i) 
; (ii) 
.
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