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Acta Cryst. (2003). E59, o1715-o1716 [ doi:10.1107/S1600536803022438 ]
Abstract: Two symmetry-related cinchonidinium ions of the title compound, C19H23N2O+·0.5C4H4O62-·H2O, are linked through hydrogen bonds, with a tartrate ion positioned on the twofold axis.
Online 15 October 2003
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