105-75-9 2-Butenedioic acid (2E)-, dibutyl ester 2-Butenedioic acid (E)-, dibutyl ester (9CI) 2-Butenedioic acid, dibutyl ester, (E)- 4-02-00-02210 (Beilstein Handbook Reference) 72399-98-5 76736-49-7 AI3-09505 BRN 1726635 Butyl fumarate DIBUTYL FUMARATE Dibutylester kyseliny fumarove [Czech] EINECS 203-327-9 Fumaric acid, di-n-butyl ester Fumaric acid, dibutyl ester NSC 140 RC Comonomer DBF Stafex DBF Staflex DBF