198342-66-4 2-Propen-1-amine, polymer with (chloromethyl)oxirane 224313-14-8 52757-95-6 Allylamine polymer with 1-chloro-2,3-epoxypropane Allylamine-epichlorohydrin copolymer Oxirane, (chloromethyl)-, polymer with 2-propen-1-amine Sevelamer