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Acta Cryst. (2007). E63, o4022 [ doi:10.1107/S1600536807043590 ]
Abstract: The title compound, C21H17ClN2O3, displays a trans configuration with respect to the C=N double bond. The crystal structure is stabilized by intramolecular O-H
N and intermolecular C-H
O hydrogen bonds.
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