Acta Cryst. (2012). E68, o3126
[ doi:10.1107/S1600536812042158 ]
Abstract: The title compound, C12H14O3, is a natural product derived from the medium-sized hawthorn Crataegus persimilis ('prunifolia'). The mean plane of the butene moiety is twisted by 13.27 (7)° with respect to the that of the dioxobenzaldehyde moiety. There is an intramolecular hydrogen bond between the hydroxyl group and the carbonyl O atom.
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