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Acta Cryst. (2009). E65, o2082 [ doi:10.1107/S1600536809030074 ]
Abstract: In the molecule of the title compound, C19H17ClN2O4, the quinoxaline ring system is planar [maximum deviation = 0.013 (3) Å] and oriented at a dihedral angle of 80.18 (3)° with respect to the benzene ring. In the crystal structure, intermolecular C-H
N interactions link molecules into chains.
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contacts between the quinoxaline systems [centroid-centroid distance = 3.654 (1) Å] may further stabilize the structure.
Online 8 August 2009
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