Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N8H9AF7 | 0.86 | 2.26 | 2.643(5) | 107 |
| N16H15CO10 | 0.86 | 2.16 | 2.733(5) | 124 |
| N16H15DO10i | 0.86 | 2.25 | 2.986(6) | 143 |
Symmetry code: (i) 
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