1,3-Butanediol, polymer with 1,3-diisocyanatomethylbenzene and alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) 1,3-Diisocyanatomethylbenzene, polymer with 1,3-butanediol and alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) 65605-51-8