2, 5-Dichlorosulfanilic acid 2,5-Dichloroaniline-4-sulfonic acid 4-Amino-2,5-dichlorobenzenesulfonic acid 88-50-6 AIDS-159796 AIDS159796 Benzenesulfonic acid, 4-amino-2,5-dichloro- NSC1128 Sulfanilic acid, 2,5-dichloro-