68081-89-0 Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1-methylenebis4-isocyanatobenzene, isocyanate-terminated
68072-45-7 1,4-Pentadien-3-one, 1,5-bis4-(oxiranylmethoxy)phenyl-, polymer with 4,4-(1-methylethylidene)bis2,6-dibromophenol and 4,4-(1-methylethylidene)bisphenol