119-40-4 121696-48-8 2-Naphthalenesulfonic acid, 4-hydroxy-7-(phenylamino)- 2-Naphthalenesulfonic acid, 7-anilino-4-hydroxy- (8CI) 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 7-Anilino-4-hydroxynaphthalene-2-sulphonic acid EINECS 204-320-3 NSC 10451 Phenyl J Acid