Synonyms: 2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenylbenzene, 2-ethylhexyl 2-propenoate, 2-hydroxyethyl 2-propenoate and methyl 2-methyl-2-propenoate;2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenybenzene, 2-ethylhexyl 2-propenoate, 2-hydrlxyethyl 2-propenoate and methyl 2-methyl-2-propenoate