Synonyms: 2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylbenzene and 2-hydroxyethyl 2-methyl-2-propenoate;Ethenylbenzene, 2-propenoic acid, butyl ester, 2-methyl-2-propenoicaci d, 2-hydroxyethyl ester, 2-methyl-2-propenoic acid polymer