Synonyms: Butyricacid, 3,4-dihydroxy-, g-lactone (6CI,7CI);Butyric acid, b,g-dihydroxy-, g-lactone (4CI);3,4-Dihydroxybutanoic acid g-lactone;3,4-Dihydroxybutyric acid 1,4-lactone;3,4-Dihydroxybutyric acid g-lactone;3-Hydroxy-g-butyrolactone;4-Hydroxydihydrofuran-2(3H)-one;NSC 26907;b-Hydroxy-g-butyrolactone;b-Hydroxybutyrolactone;