Acta Cryst. (2010). E66, o86 [ doi:10.1107/S1600536809051988 ]
Abstract: The title nitrophenyl pyridine compound, C20H22N2O6 was synthesized as a degradation product of the hypertension medication nisoldipine. The dihedral angle between the nitro-substituted phenyl ring and the pyridine ring is 75.5 (4)°. There are a number of C-HO interactions between symmetry-related molecules>.
Online 9 December 2009
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