2-Butenedioic acid (2Z)-, monomethyl ester, polymer with ethenylbenzene, 2,5-furandione and 1-methylpropyl hydrogen (2Z)-2-butenedioate 2-Butenedioic acid (Z)-, monomethyl ester, polymer with ethenylbenzene, 2,5-furandione and (Z)-1-methylpropyl hydrogen 2-butenedioate 65652-36-0 Styrene, mono-sec-butyl maleate, monomethyl maleate, maleic anhydride polymer