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Acta Cryst. (2009). E65, o754 [ doi:10.1107/S1600536809008757 ]
Abstract: In the title compound, C22H20N2O4, the central benzene ring forms dihedral angles of 3.2 (2) and 61.1 (1)° with the two outer substituted benzene rings. Intramolecular O-H
N hydrogen bonds are formed by both hydroxyl groups.
Online 14 March 2009
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