Synonyms: 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1,3-butadiene, ethenylbenzene, 2-methyl-2-propenoic acid and 2-propenenitrile;2-propenoic acid, 2-methyl-, polymer with 1,3-butadiene, ethenylbenzene, methyl;2-Propenoic acid, 2-methyl-, polymer with 1,3-butadiene, ethenylbenzene, methyl 2-methyl-2-propenoate and 2-propenenitrile