Ethylene-maleic anhydride copolymer9006-26-2100 % similar Maleic anhydride108-31-680 % similar Crotonic anhydride623-68-755 % similar Maleic anhydride-methyl vinyl ether copolymer9011-16-954 % similar Acrylic acid-maleic anhydride copolymer26677-99-652 % similar Acrylic anhydride2051-76-550 % similar Dimethyl maleate624-48-643 % similar Dimethyl fumarate624-49-743 % similar Diethyl maleate141-05-938 % similar Diethyl fumarate623-91-638 % similar 1,4-Dipropyl (2Z)-2-butenedioate2432-63-535 % similar Vinyl crotonate14861-06-433 % similar Dibutyl fumarate105-75-932 % similar Dibutyl maleate105-76-032 % similar Monomethyl fumarate2756-87-832 % similar Monomethyl maleate3052-50-432 % similar Polyethylene glycol diacrylate26570-48-932 % similar Methyl E-crotonate623-43-832 % similar Methyl acrylate96-33-332 % similar 2-Propen-1-yl 2-butenoate20474-93-530 % similar