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Figure 1 ORTEP drawings of cation (C16H26NO2+), anion (C6HCl2O4−), solvate (C4H8O2), in the asymmetric unit of (I) showing the atom labeling scheme and 30% probability displacement ellipsoids. Dashed lines indicate N—H⋯O, O—H⋯O hydrogen bonds and weak C—H⋯O intermolecular interactions. Only the major component of the disordered solvent methyl group is shown. |