2(3H)-Furanone, 5-acetyldihydro- 29393-32-6 4-Hydroxy-5-oxohexanoic acid gamma-lactone 4-Hydroxy-5-oxohexanoic acid lactone 5-Acetyl-gamma-butryolactone 5-Acetyldihydrofuran-2(3H)-one 69308-41-4 AI3-25454 EINECS 249-603-2 Hexanoic acid, 4-hydroxy-5-oxo-, gamma-lactone SOLERONE