trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(3-) Chromate(3-), bis3-(hydroxy-.kappa.O)-4-2-(hydroxy-.kappa.O)-1-naphthalenylazo-.kappa.N1-1-naphthalenesulfonato(3-)-, trisodium 3-Hydroxy-4-[(2-hydroxynaphthalen-1-yl)azo]-1-naphthalenesulfonic acid, Cr complex, trisodium salt 3-Hydroxy-4-[(2-hydroxynaphthalen-1-yl)azo]-1-naphthalenesulfonic acid,Cr complex,trisodium salt Chromate, bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl) azo]-1-naphthalenesulfonato]-, trisodium Chromate,bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonato]-,trisodium Chromate(3-), bis[3-hydroxy-4-[(2-hydroxy- 1-naphthalenyl)azo]-1-naphthalenesulfonato(3-) ]-, trisodium