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Figure 3
The crystal structure and hydrogen-bonding scheme for (II ), showing (a) the hydrogen-bonded chain formed by the anion and cation, (b) the homochiral anions forming a hydrogen-bonded plane across the c axis and (c) a packing diagram viewed along the b direction, showing the N—H⋯O, O—H⋯O and C—H⋯O hydrogen bonds (symmetry codes as in Table 4 ). |


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