CAS:497-23-4 ʻAno Molekala:C4H4O2 Kaumaha Molekala:84.07 EINECS:207-839-3 Nā huaʻōlelo like:γ-Crotonolactone, 2-Buten-1,4-olide; 2,5-Dihydrofuranone; 5-Oxo-2,5-dihydrofuran-3-yl ester; a,b-Crotonolactone; ʻO kaʻakika Crotonic, 4-hydroxy-; 2,5-Dihydrofuran-2-hoʻokahi; 2(5H)-Furanone,γ-Crotonolactone, 2-Buten-1,4-olide2(5H)-Furanone 2-Oxo-2,5-dihydrofuran; 2(5H)-FURANONE NO ; HANA 1 ML