2-(4-아미노아닐리노)-5-니트로벤젠설폰산4 NADAPSA (NITRO PARA PARA ACID)4-Amino-4-Nitro-2-Sulfodiphenylamine4-Nitro-4'-amino-2-sulfodiphenylamineAminoaniline nitrobenzenesulphonic acid4-Nitro-4-aminodiphenylamine-2-sulfonate4'-AMINO-4-NITRODIPHENYLAMINO-2-SULFONIC ACID2-(4-Aminoanilino)-5-nitrobenzenesulphonicaci4-Amino-4'-nitrodiphenylamine-2'-sulfonic acid