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| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N2H1N2O2i | 0.923(17) | 1.781(17) | 2.7000(9) | 173.5(15) |
| N3H2N3O1i | 0.844(16) | 1.942(17) | 2.7830(10) | 174.1(15) |
| N3H1N3O2ii | 0.890(15) | 1.962(15) | 2.8490(9) | 174.0(13) |
| C7H7AN1iii | 0.95 | 2.44 | 3.2808(11) | 147 |
| C10H10AO1iv | 0.95 | 2.25 | 3.1574(10) | 160 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
.
