68609-20-1 Ethanol, 2,2'-(1,4-phenylenebis(oxy))bis-, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatobenzene), isocyanate-terminated Poly(oxytetramethylene)glycol, hydroquinone bis(2-hydroxyethyl) ether, methylenebis(4-phenylisocyanate) polymer, isocyanate terminated