2-(1-Aziridinyl)ethyl methacrylate, isobutyl methacrylate, methyl methacrylate polymer 2-Propenoic acid, 2-methyl-, 2-(1-aziridinyl)ethyl ester, polymer with methyl 2-methyl-2-propenoate and 2-methylpropyl 2-methyl-2-propenoate 68258-80-0