Synonyms: 2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylbenzene, methyl 2-methyl-2-propenoate and 1,2-propanediol mono-2-propenoate;2-Methyl-2-propenoic acid polymer with butyl 2-propenoate, ethenylbenzene, methyl 2-methyl-2-propenoate and 1,2- propanediol mono-2-propenoate