7-aminonaphthalene-1-sulfonic acid, Baden acid, 2-amino-8-sulpho-naphthalene, 2-aminonaphthalene-8-sulfonic acid, 7-Aminonaphthalene-1-sulphonic acid; 2-Naphthylamine-8-sulfonic acid; 2-Amino-8-naphthalenesulfonic acid; 1-Naphthalenesulfonic acid, 7-amino-; Badische Acid; 1-NAPHTHALENESULFONIC ACID,7-AMINO; 7-amino-1-napthalenesulfonic acid; EINECS 201-685-0; 7-Amino-1-naphthalenesulfonic acid;