1,2-Butanolide 1,4-Butanolide 187997-16-6 2(3H)-Furanone, dihydro- 2-Oxolanone 3-Hydroxybutyric acid lactone 4-Butanolide 4-Butyrolactone 4-Deoxytetronic acid 4-Hydroxybutanoic acid lactone 4-Hydroxybutyric acid lactone 96-48-0 AI3-28121 Agrisynth BLO BLO BLON BUTYROLACTONE Butanoic acid, 4-hydroxy-, gamma-lactone Butyric acid lactone Butyric acid, 4-hydroxy-, gamma-lactone Butyryl lactone Butyrylactone C-1070 CCRIS 2924 Caswell No. 132B Dihydro-2(3H)-furanone Dihydro-2-furanone EINECS 202-509-5 EPA Pesticide Chemical Code 122303 FEMA No. 3291 GBL HSDB 4290 NCI-C55878 NSC 4592 No Go Tetrahydro-2-furanone gamma-6480 gamma-BL gamma-Butyrolactone gamma-Butyrolactone (natural) gamma-Hydroxybutyric acid cyclic ester gamma-Hydroxybutyric acid lactone gamma-Hydroxybutyrolactone