Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C4—H4⋯N5i | 0.93 | 2.63 | 3.415 (3) | 142 |
| C23—H23⋯N6ii | 0.93 | 2.63 | 3.560 (3) | 176 |
Symmetry codes: (i) 
; (ii) 
.
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