7-(Naphthyl-(1)-azo)-8-hydroxy-chinolin-sulfonsaeure-(5), 8-Hydroxy-7-[1]naphthylazo-chinolin-5-sulfonsaeure, 8-Hydroxy-7-(1-naphtylazo)-5-quinolinesulfonic acid, 8-hydroxy-7-(1-naphthalenylazo)-5-quinolinesulfonicaci, 8-hydroxy-7-[1]naphthylazo-quinoline-5-sulfonic acid, 8-hydroxy-7-(1-naphthylazo)quinoline-5-sulphonic acid, Naphthylazoxine, 8-Hydroxy-7-(1-naphthalenylazo)-5-quinolinesulfonic acid, 8-Hydroxy-7-(1-naphthylazo)-5-chinolinsulfonsaeure