4-Diphenylphosphinostyrene-styrene copolymer Benzene, ethenyl-, polymer with (4-ethenylphenyl)diphenylphosphine Diphenyl-p-styrylphosphine-styrene copolymer p-(Diphenylphosphino)styrene-styrene copolymer Phosphine, (4-ethenylphenyl)diphenyl-, polymer with ethenylbenzene Phosphine, diphenyl(p-vinylphenyl)-, polymer with styrene Styrene-4-(diphenylphosphino)styrene copolymer Styrene-4-styryldiphenylphosphine copolymer Styrene-4-vinyltriphenylphosphine copolymer Styrene, polymer with diphenyl(p-vinylphenyl)phosphine