Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N6—H6A⋯N4i | 0.90 (1) | 2.12 (2) | 2.986 (7) | 160 (5) |
Symmetry code: (i) 
.
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