CAS:497-23-4 Fòmil molekilè:C4H4O2 Pwa molekilè:84.07 EINECS:207-839-3 Sinonim:γ-Krotonolaktòn, 2-Buten-1,4-olid; 2,5-Dihydrofuranone; 5-Oxo-2,5-dihydrofuran-3-yl ester; a, b-Krotonolaktòn; Asid krotonik, 4-hydroxy-; 2,5-Dihydrofuran-2-yon sèl; 2 (5H)-Furanone,γ-Krotonolaktòn, 2-Buten-1,4-olide2 (5H)-Furanone 2-Oxo-2,5-dihydrofuran; 2(5H)-FURANON POU ; SENTÈZ 1 ML