2-Butenedioicacid(Z)-,monomethylester,polymerwithethenylbenzene,2,5-furandioneand(Z)-2-methylpropylhydrogen2-butenedioate;andioneand(z)-2-methylpropylhydrogen2-butenedioate;POLY(STYRENE-CO-MALEIC ACID), PARTIAL ISOBUTYL/METHYL MIXED ESTER;POLY(STYRENE-CO-MALEIC ACID), ISOBUTYL/ METHYL MIXED ESTER, AVE MV CA. 180,000;POLY(STYRENE-CO-MALEIC ACID), ISOBUTYL/ METHYL MIXED ESTER, AVE MV CA. 225,000;2-Butenedioic acid (2Z)-, monomethyl ester, polymer with ethenylbenzene, 2,5-furandione and 2-methylpropyl hydrogen (2Z)-2-butenedioate;2-Butenedioic acid (Z)-, monomethyl ester, polymer with ethenylbenzene, 2,5-furandione and (Z)-2-methylpropyl hydrogen 2-butenedioate;2-Butenedioic acid(Z)-,monomethyl ester,polymer with ethenylbenzene,2,5-furandione and(Z)-2-methylpropyl hydrogen 2-butenedioate