dimethyl{2-[(2-methyl-1-oxoallyl)oxy]ethyl}(3-sulfopropyl)ammonium hydroxide, N-(3-Sulfopropyl)-N-(methacryloxyethyl)-N,N-dimethylammonium betaine, 3-(N,N-dimethyl-N-(2-methacryloxyethyl) amomonium)propylsulphonic acid, [2-(Methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide, N-(3-sulfopropyl)-N-methacroyloxyethyl-N,N-dimethylammonium betaine, N,N-dimethyl-N-(2-methacryloyloxyethyl)-N-(3-sulfopropyl)ammonium betaine, 2-(N-3-Sulfopropyl-N,N-dimethyl ammonium)ethyl methacrylate, EINECS 222-860-8, N,N-dimethyl-N-methacryloyloxyethyl-N-(3-sulfopropyl)ammonium betaine