Acta Cryst. (2012). E68, o2816 [ doi:10.1107/S1600536812036744 ]
Abstract: The asymmetric unit of the title compound, C17H18N2O4, contains two independent molecules (A and B) differing principally in the conformations of the alkyl chains, anti for molecule A and gauche for molecule B. The dihedral angles between the aromatic rings are 82.51 (6) and 82.25 (6)° in the two molecules. In the crystal, amide-amide interactions (as N-HO=C) results in distinct chains of A and B molecules running parallel to the a-axis direction. C-HO interactions also occur.
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