Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N4—H1A⋯O4i | 0.97 (4) | 1.78 (4) | 2.740 (3) | 168 (3) |
| C17—H17A⋯O7ii | 0.96 | 2.55 | 3.434 (5) | 154 |
Symmetry codes: (i) 
; (ii) 
.
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