68258-80-0 2-Propenoic acid, 2-methyl-, 2-(1-aziridinyl)ethyl ester, polymer with methyl 2-methyl-2-propenoate and 2-methylpropyl 2-methyl-2-propenoate
68259-26-7 Oxirane, 2,2-(1-methylethylidene)bis(4,1-phenyleneoxymethylene)bis-, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl)