Table 2. Hydrogen-bond geometry (Å, °) for (II) .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C2—H2⋯O3i | 0.95 | 2.6 | 3.384 (4) | 140 |
| C10—H10⋯O5ii | 0.95 | 2.57 | 3.180 (4) | 123 |
Symmetry codes: (i) 
; (ii) 
.
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