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Acta Cryst. (2004). E60, o2193-o2194 [ doi:10.1107/S1600536804027291 ]
Abstract: The molecule of the title compound, C28H24N2O4, in the monoclinic modification shows no significant differences in bond dimensions from those in the reported orthorhombic modification [Gao et al. (2004). Acta Cryst. E60, o1733-o1735]. Two molecules are linked across a center of inversion by a pair of amide-carbonyl hydrogen bonds [2.867 (2) Å].
Online 6 November 2004
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