64078-69-9 Ethanol, 2,2'-oxybis-, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatobenzene) Poly(oxytetramethylene glycol), polymer with diethylene glycol and methylene-di-p-phenylene isocyanate