Blue 2G Chromacyl Blue GG Chromate(2-), hydroxy3-(hydroxy-.kappa.O)-4-1-(hydroxy-.kappa.O)-8-sulfo-2-naphthalenylazo-.kappa.N1-1-naphthalenesulfonato(4-)-, disodium, (T-4)- chromate, hydroxy[3-hydroxy-4-[(1-hydroxy-8-sulfo-2-naphthalenyl)azo]-1-nap Chromate,hydroxy[3-(hydroxy-kappaO)-4-[[1-(hydroxy-kappaO)-8-sulfo-2-naphthalenyl]azo-kappaN1]-1-naphthalenesulfonato(4-)]-,disodium,(T-4)- hydroxy[3-(hydroxy-kappaO)-4-[[1-(hydroxy-kappaO)-8-sulfo-2-naphthalenyl]azo-kappaN1]-1-naphthaleneChromate Disodium 3-hydroxy-4-[(1-hydroxy-8-sulpho-2-naphthyl)azo]naphthalene-1-sulphonate Acid Blue 158