117277-24-4 119129-27-0 137284-89-0 33434-24-1 39316-06-8 55818-79-6 55818-80-9 68389-23-1 95660-29-0 Ethanaminium, N,N,N-trimethyl-2-((2-methyl-1-oxo-2-propenyl)oxy)-, chloride, polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate Eudragit RS Trimethylammoniumethyl methacrylate chloride, methyl methacrylate, ethyl acrylate polymer