Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H1N2⋯S1i | 0.843 (14) | 2.476 (14) | 3.3150 (7) | 173.9 (12) |
| N1—H1N1⋯S1ii | 0.856 (15) | 2.400 (15) | 3.2549 (6) | 176.4 (13) |
Symmetry codes: (i) 
; (ii) 
.
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