International Union of Crystallography, IUCrData, 7(5), 2020
DOI: 10.1107/s2414314620010184
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The title molecule, C19H24O5, is built by annulation of a half-chair cyclohexenone and a twist-cyclohexenone to a flat 4-H-pyrane boat. In the crystal, molecules are connected via van der Waals interactions and C—H...O hydrogen bonds.