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Acta Cryst. (2007). E63, o40-o41 [ doi:10.1107/S1600536806049208 ]
Abstract: The title compound, C22H24N2O4, crystallizes with an inversion centre at the mid-point of the central benzene ring. Molecules are linked into sheets by N-H
O and O-H
N hydrogen bonds, leading to fused R22(4) rings, which form sheets parallel to the (010) plane.
Online 6 December 2006
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