3-Hydroxy-4-[(2-hydroxynaphthyl)diazenyl]-7-nitronaphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxynaphthyl)diazenyl]-7-nitronaphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxynaphthyl)diazenyl]-7-nitronaphthalenesulfonic acid, chromium salt, chromium salt AIDS-081054 AIDS081054 Palatine Fast Black WAN