104-50-7 2(3H)-Furanone, 5-butyldihydro- 2(3H)-Furanone, dihydro-5-butyl- 4-Butyl-4-hydroxybutyric acid lactone 4-Butyl-gamma-butyrolactone 4-Hydroxyoctanoic acid lactone 4-Octanolide 5-17-09-00073 (Beilstein Handbook Reference) 5-Butyldihydro-2(3H)-furanone 5-Butyltetrahydro-2-furanone 57084-15-8 8-Oxo-5-octanolide AI3-35896 BRN 0111677 EINECS 203-208-1 FEMA No. 2796 GAMMA-OCTALACTONE NSC 24270 Octan-4-olide Octanoic acid, 4-hydroxy-, lactone (6CI) Octanoic acid, gamma lactone Octanolide-1,4 gamma-Butyl-gamma-butyrolactone gamma-N-Butyl-gamma-butyrolactone gamma-Octalactone (natural) gamma-Octanolactone