68609-77-8 Isocyanic acid, polymethylenepolyphenylene ester, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), isocyanate-terminated Pentaerythritol polyoxypropylene ether, poly(methylene phenylene isocyanate) polymer, isocyanate terminated