Table 2. Hydrogen-bond geometry (Å, °) for (II) .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C5—H5⋯N7i | 0.95 | 2.55 | 3.475 (5) | 163 |
| C18—H18⋯N1ii | 0.95 | 2.60 | 3.509 (5) | 161 |
Symmetry codes: (i) 
; (ii) 
.
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