2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylpyridine, ethyl 2-propenoate, methyl 2-methyl-2-propenoate, 2-propenenitrile and 2-propenoic acid 67785-83-5 Acrylic acid, butyl acrylate, ethyl acrylate, methacrylic acid, methyl methacrylate, acrylonitrile, vinyl pyridine polymer