68214-40-4 Poly(oxy(methyl-1,2-ethanediyl)), alpha,alpha,alpha-1,2,6-hexanetriyltris(omega-hydroxy-, polymer with 1,1-methylenebis(4-isocyanatocyclohexane)
68214-39-1 Poly[oxy(methyl-1,2-ethanediyl)], α,α,α- 1,2,6-hexanetriyltris[ω-hydroxy-, polymer with α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 1,1-methylenebis[4-isocyanatobenzene]