3H-furan-2-one;20825-71-2;.alpha.-Crotonolactone;2(3H)-Furanone;2-furanone;2-oxo-2,3-dihydrofuran;4-hydroxy-3-butenoic acid gamma-lactone;CHEBI:38120;alpha-crotonolactone;alpha-furanone;beta,gamma-crotonolactone;but-3-en-4-olide;furan-2(3H)-one
3H-furan-2-one