2(5H)-Furanone, 3-ethenyl-5-hydroxy- (9CI) 3-Carboxy-2,4-pentadienallactol 3-Ethenyl-5-hydroxy-2(5H)-furanone 3734-60-9 4-03-00-01760 (Beilstein Handbook Reference) 5-Hydroxy-3-vinyl-2(5H)-furanone Antibiotic PA147 Antibioticum PA147 [German] BRN 1769246 Crotonic acid, 4,4-dihydroxy-2-vinyl-, gamma-lactone (6CI,7CI)