Table 3. Hydrogen-bond geometry (Å, °) for III .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O6—H6D⋯O3i | 0.84 (2) | 2.23 (2) | 3.052 (3) | 165 (4) |
| O6—H6E⋯O2 | 0.84 (2) | 2.21 (2) | 3.035 (3) | 170 (4) |
Symmetry code: (i) 
.
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