65188-45-6 Hexanedioic acid, 1,2-ethanediol, bis(p-isocyanatophenyl)methane, isocyanic acid polymethylene polyphenylene ester polymer Hexanedioic acid, polymer with 1,2-ethanediol, 1,1'-methylenebis(4-isocyanatobenzene) and polymethylene polyphenylene isocyanate Hexanedioic acid, polymer with 1,2-ethanediol, 1,1'-methylenebis(4-isocyanatobenzene) and polymethylenepolyphenylene isocyanate