Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H1N⋯S1 | 0.86 (4) | 2.47 (4) | 3.284 (3) | 158 (3) |
| N2—H2N⋯S1i | 0.91 (4) | 2.75 (4) | 3.453 (2) | 135 (3) |
| N2—H2N⋯S2i | 0.91 (4) | 2.39 (3) | 3.221 (2) | 151 (3) |
Symmetry code: (i) 
.
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