poly(methacrylic acid-co-N,N'-methylenebis(acrylamide)-co-poly(ethylene glycol) methyl ether methacrylate-co-N,N'-bis(acryloyl)cystamine)
poly(methacrylic acid-co-n,n'-methylenebis(acrylamide)-co-poly(ethylene glycol) methyl ether methacrylate-co-n,n'-bis(acryloyl)cystamine)