2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethenylbenzene and 1-ethenyl-2-pyrrolidinone 2-Propenoic acid,2-methyl-,methyl ester,polymer with ethenylbenzene and 1-ethenyl-2-pyrrolidinone
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METHYL METHACRYLATE-STYRENE-VINYLPYRROLIDINONE POLYMER;methyl methacrylate/ styrene/ N-vinylpyrrolidinone polymer;2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethenylbenzene and 1-ethenyl-2-pyrrolidinone 2-Propenoic acid,2-methyl-,methyl ester,polymer with ethenylbenzene and 1-ethenyl-2-pyrrolidinone