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| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C1H1O3i | 1.00 | 2.57 | 3.311(2) | 131 |
| C3H3BO1ii | 0.99 | 2.54 | 3.458(2) | 154 |
| C4H4O4ii | 1.00 | 2.46 | 3.406(2) | 157 |
| C5H5O2iii | 1.00 | 2.41 | 3.385(2) | 166 |
| C7H7AO3iv | 0.99 | 2.47 | 3.337(2) | 147 |
| C7H7BO5v | 0.99 | 2.55 | 3.390(2) | 142 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
; (v) 
.
