66072-10-4 67599-35-3 Benzene, 1,1'-methylenebis(4-isocyanato-, polymers with hydroxy-terminated polybutadiene Methylene di-p-phenylene isocyanate, 1,3-butadiene copolymer Methylene diphenyl diisocyanate, polybutadiene (hydroxylated) prepolymer Polybutadienediol, polymer with diphenylmethane diisocyanate Polyhydroxypolybutadiene, 4,4'-diphenylmethane diisocyanate polymer