12223-97-1 4-((4-Ethoxyphenyl)amino)-N,N-dimethyl-3-nitrobenzenesulphonamide 4-(4-Ethoxyanilino)-N,N-dimethyl-3-nitrobenzenesulfonamide 67338-59-4 Benzenesulfonamide, 4-((4-ethoxyphenyl)amino)-N,N-dimethyl-3-nitro- EINECS 266-648-3