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| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N2H2O1 | 0.91(2) | 1.67(2) | 2.5738(14) | 169(2) |
| C3H3O2i | 0.95 | 2.21 | 3.1580(15) | 174 |
| C13H13O3ii | 0.95 | 2.52 | 3.3405(19) | 145 |
| C16H16O1iii | 0.95 | 2.43 | 3.3477(15) | 163 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
