英文别名
                        8-(4-chloro-phenylazo)-7-hydroxy-naphthalene-1,3-disulfonic acid;8-(4-Chlor-phenylazo)-7-hydroxy-naphthalin-1,3-disulfonsaeure;1,3-Naphthalenedisulfonic acid, 3-(4-chlorophenylazo)-7-hydroxy-;8-[(4-chlorophenyl)diazenyl]-7-hydroxynaphthalene-1,3-disulfonic acid