Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C1—H1⋯N5 | 0.95 | 2.55 | 3.053 (15) | 114 |
| C8—H8⋯N6 | 0.95 | 2.62 | 3.138 (15) | 115 |
| C8—H8⋯S2i | 0.95 | 2.87 | 3.496 (11) | 124 |
Symmetry code: (i) 
.
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