6,10,16,19-Tetraoxatrispiro[4.2.2.4.2.2]nonadecane

The asymmetric unit of the title compound, C15H24O4, contains one half-molecule; a twofold rotation axis passes through the central C atom. The non-planar six- and five-membered rings adopt chair and envelope conformations, respectively. In the crystal structure, intermolecular C—H...O hydrogen bonds link the molecules.