Synonyms: 2,2-Dimethyl-4-oxotetrahydropyran;2,2-Dimethyltetrahydro-4-pyrone;2,2-Dimethyltetrahydro-4H-pyran-4-one;2,3,5,6-Tetrahydro-2,2-dimethyl-4-pyranone;Tetrahydro-2,2-dimethyl-2H-pyran-4-one;Tetrahydro-2,2-dimethyl-4-pyranone;Tetrahydro-2,2-dimethyl-4-pyrone;Tetrahydro-2,2-dimethyl-4H-pyran-4-one;a,a-Dimethyltetrahydro-g-pyrone;