Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C6H6O13 | 0.93 | 2.22 | 2.848(4) | 124 |
| C15H15AO13i | 0.97 | 2.51 | 3.413(4) | 154 |
Symmetry code: (i) 
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