trans-Crotonyl chloride625-35-439 % similar Ethyl sorbate2396-84-138 % similar Diethyl maleate141-05-936 % similar 4-Hexen-3-one2497-21-436 % similar Diethyl fumarate623-91-636 % similar 1,4-Dipropyl (2Z)-2-butenedioate2432-63-533 % similar Methyl 3-methoxyacrylate34846-90-733 % similar Methyl trans-β-methoxyacrylate5788-17-033 % similar Citraconic anhydrides616-02-433 % similar Butyl (2E,4E)-2,4-hexadienoate7367-78-433 % similar 2,3-Dimethoxy-2,5-cyclohexadiene-1,4-dione3117-02-032 % similar 2-Furanone497-23-432 % similar Methyl glyoxylate922-68-932 % similar 1,4-Benzoquinone106-51-432 % similar Ethyl 3-ethoxy-2-propenoate1001-26-931 % similar Dibutyl fumarate105-75-931 % similar Dibutyl maleate105-76-031 % similar Monomethyl fumarate2756-87-831 % similar Monomethyl maleate3052-50-431 % similar 2-Octen-4-one4643-27-031 % similar