2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylpyridine, ethyl 2-methyl-2-propenoate, methyl 2-methyl-2-propenoate and 2-propenoic acid 67785-84-6 Acrylic acid, butyl acrylate, methacrylic acid, ethyl methacrylate,methyl methacrylate, vinyl pyridine polymer