101-57-5 4-Anilinobenzenesulfonic acid 4-Diphenylaminesulfonic acid 4-Sulfodiphenylamine Benzenesulfonic acid, 4-(phenylamino)- Benzenesulfonic acid, p-anilino- Diphenylamine-4-sulfonic acid Diphenylaminosulfonic acid N-Phenyl-p-aminobenzenesulfonic acid N-Phenylsufanilic acid N-Phenylsulfanilic acid NSC73722 Sulfanilic acid, N-phenyl- p-Anilinobenzenesulfonic acid