sodium 2-anilino-5-(2-nitro-4-(N-phenylsulfamoyl))anilinobenzenesulfonate

Metanilic acid, 6-anilino-N-[2-nitro-4-(phenylsulfamoyl)phenyl]-, sodium salt

Benzenesulfonic acid, 5-[[2-nitro-4-[(phenylamino)sulfonyl]phenyl]amino]-2-(phenylamino)-, monosodium salt