Acta Cryst. (2013). E69, o1499
[ doi:10.1107/S1600536813024124 ]
Abstract: The title compound, C20H21N3O, has crystallographic mirror symmetry with all non-H atoms apart from the methyl C atom of the CMe2 group lying on the mirror plane. Molecules are linked into planar sheets parallel to (010) by phenyl-azo C-HN and phenyl-ethanone C-HO interactions. Methyl C-H interactions provide crosslinking between the planes.
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