Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N6—H6B⋯O1i | 0.86 | 2.35 | 3.209 (6) | 177 |
| N3—H3A⋯S2ii | 0.86 | 2.87 | 3.522 (6) | 134 |
Symmetry codes: (i) 
; (ii) 
.
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