Synonyms: 2(3H)-Furanone,dihydro-3-hydroxy-4,4-dimethyl-, (?à)-;Butyric acid, a,g-dihydroxy-b,b-dimethyl-, g-lactone (4CI);(RS)-Pantolactone;2,4-Dihydroxy-3,3-dimethylbutanoic acid g-lactone;2-Hydroxy-3,3-dimethyl-g-butyrolactone;3-Hydroxy-4,4-dimethyl-2-oxotetrahydrofuran;3-Hydroxydihydro-4,4-dimethyl-2(3H)-furanone;DL-Pantoic acid g-lactone;DL-Pantoyl lactone;Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone;NSC 135788;NSC 5926;a-Hydroxy-b,b-dimethyl-g-butyrolactone;