N4-(p-ethoxyphenyl)-3-nitrosulfanilamide, 3-nitro-4-p-phenetidino-benzenesulfonic acid amide, EINECS 244-727-3, 4-[(4-ethoxyphenyl)amino]-3-nitrobenzenesulfonamide, 4-<4-Aethoxy-anilino>-3-nitro-benzol-sulfonsaeure-(1)-amid, Benzenesulfonamide,4-((4-ethoxyphenyl)amino)-3-nitro, 3-Nitro-4-p-phenentidino-benzolsulfonamid-(1), 3-Nitro-4-p-phenetidino-benzolsulfonsaeure-amid