2-Methyl-5-vinylpyridine-acrylonitrile copolymer 2-Picoline, 5-vinyl-, polymer with acrylonitrile 2-Propenenitrile, polymer with 5-ethenyl-2-methylpyridine Acrylonitrile-2-methyl-5-vinylpyridine copolymer Acrylonitrile-2-methyl-5-vinylpyridine polymer Acrylonitrile-5-vinyl-2-methylpyridine copolymer Acrylonitrile-5-vinyl-2-picoline polymer Acrylonitrile, polymer with 5-vinyl-2-picoline Poly(acrylonitrile)-poly(2-methyl-5-vinylpyridine)copolymer Pyridine, 5-ethenyl-2-methyl-, polymer with 2-propenenitrile