68132-86-5 Oxirane, methyl-, polymer with 1,3-diisocyanatomethylbenzene, alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and oxirane Oxirane, methyl-, polymer with 1,3-diisocyanatomethylbenzene,alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and oxirane