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Acta Cryst. (2004). E60, o669-o670 [ doi:10.1107/S1600536804006907 ]
Abstract: At 150 K, the benzo[d][1,3]oxazin-4-one heterocycle in the title compound, C19H21NO2, lies on a crystallographic mirror plane. This group is planar despite the resulting unfavourable steric interaction between the proximal 5-methyl and 4-carbonyl groups.
Online 27 March 2004
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