31452-91-2 | 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with ethenylbenzene, ethyl 2-propenoate and 2-propenoic acid | 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with ethenylbenzene, ethyl 2-propenoate and 2-propenoic acid |