Acta Cryst. (2013). E69, o666 [ doi:10.1107/S1600536813008982 ]
Abstract: In the title molecule, C18H18O4, the C=C bond of the central enone group adopts a trans conformation. The relative conformation of the C=O and C=C bonds is s-cisoid. The dihedral angle between the planes of the benzene rings is 29.49 (12)°. In the crystal, weak C-HO hydrogen bonds link the molecules into chains along .
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