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Figure 6
Part of the crystal structures of (3) (top) and (4) (bottom), showing N—H⋯N and O—H⋯O hydrogen bonds (red and blue dashed lines, respectively). In each case, the asymmetric unit comprises the molecules with labelled atoms. |
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Figure 6
Part of the crystal structures of (3) (top) and (4) (bottom), showing N—H⋯N and O—H⋯O hydrogen bonds (red and blue dashed lines, respectively). In each case, the asymmetric unit comprises the molecules with labelled atoms. |