Synonyms: 2-Propenoic acid, 2-methyl-, butyl ester, polymer with eicosyl 2-methyl-2-propenoate, 1-ethenyl-2-pyrrolidinone, hexadecyl 2-methyl-2-propenoate, isodecyl 2-methyl-2-propenoate and octadecyl 2-methyl-2-propenoate;2-Propenoic acid, 2-methyl-, butyl ester, polymer with eicosyl 2-methyl-2-propenoate, 1-ethenyl-2-pyrrolidinone, hexadecyl 2-methyl-2-propenoate, isodecyl 2-methyl-2-propenoate and octadecyl 2-methyl- 2-propenoate Butyl methacrylate, cetyl methacrylate, stearyl methacrylate, eicosyl methacrylate, isodec