Table 2. Hydrogen-bond geometry (Å, °) for (II) .
Cg1 is the centroid of ring C7–C12.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C2—H2B⋯O2i | 0.99 | 2.19 | 3.176 (5) | 176 |
| C12—H12⋯O2i | 0.95 | 2.53 | 3.373 (5) | 148 |
| C17—H17⋯Cg1ii | 0.95 | 2.80 | 3.721 (5) | 164 |
Symmetry codes: (i) 
; (ii) 
.
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