56060-75-4 1,?-Propanediol, 2(or 3)-(2-propenyloxy)-, polymer with .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and 1,1-methylenebis4-isocyanatobenzene
62272-66-6 2-Propenoic acid, polymer with 1,3-butadiene, ethenylbenzene and N-(hydroxymethyl)-2-methyl-2-propenamide
67815-87-6 Isocyanic acid, polymethylenepolyphenylene ester, polymer with 1,2-ethanediamine, methyloxirane and 1,2-propanediol