Photoresist Chemicals N-(2,5-dichlorophenyl)-N-[3-(4,4-dimethyl-2,5-dioxo-imidazolidin-1-yl)-2-hydroxy-propyl]benzenesulfo,cas:6079-78-3 Cas:6079-78-3 Molecular Formula:C20H21Cl2N3O5S