CAS:497-23-4 Foirmle Molecular:C4H4O2 Cuideam moileciuil:84.07 EINECS:207-839-3 Co-fhaclan:γ-Crotonolactone, 2-Buten-1,4-olide; 2,5-Dihydrofuranone; 5-Oxo-2,5-dihydrofuran-3-yl ester; a, b-Crotonolactone; Crotonic acid, 4-hydroxy-; 2,5-Dihydrofuran-2-aon; 2 (5H) -Furanone, γ-Crotonolactone, 2-Buten-1,4-olide2 (5H) -Furanone 2-Oxo-2,5-dihydrofuran; 2(5H) - FURANONE AIRSON; SINTESIS 1 ML