1,3-Propiolactone 2-Oxetanone 3-Hydroxypropionic acid lactone 3-Propanolide 3-Propiolactone 5-17-09-00003 (Beilstein Handbook Reference) 57-57-8 AI3-24257 BETA-PROPIOLACTONE BPL BRN 0001360 Betaprone CCRIS 536 Caswell No. 709 EINECS 200-340-1 EPA Pesticide Chemical Code 010901 HSDB 811 Hydracrylic acid beta-lactone NSC 21626 Propanoic acid, 3-hydroxy-, beta-lactone Propanolide Propiolactona [INN-Spanish] Propiolactone Propiolactone [USAN:BAN:INN] Propiolactone, beta- Propiolactonum [INN-Latin] Propiolattone [DCIT] Propionic acid, 3-hydroxy-, beta-lactone beta-Propanoic acid lactone beta-Propiolakton [Czech] beta-Propionolactone beta-Proprolactone