CAS៖៤៩៧-២៣-៤ រូបមន្តម៉ូលេគុល៖C4H4O2 ទំងន់ម៉ូលេគុល៖84.07 EINECS៖207-839-3 មានន័យដូច៖γ-Crotonolactone, 2-Buten-1,4-olide; 2,5-Dihydrofuranone; 5-Oxo-2,5-dihydrofuran-3-yl ester; a,b-Crotonolactone; អាស៊ីត Crotonic, 4-hydroxy-; 2,5-Dihydrofuran-2-one; 2(5H)-Furanone,γ-Crotonolactone, 2-Buten-1,4-olide2(5H)-Furanone 2-Oxo-2,5-dihydrofuran; 2(5H)-FURANONE សម្រាប់ ; សំយោគ 1 ម.ល