C.I.Acidblue193 chromate(3-),bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenesulf Chromate(3-),bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonato(3-)]-,disodiumhydrogen ACID BLUE 161, PURE disodium hydrogen bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(3-) Chromate(3-), bis3-hydroxy-4-(2-hydroxy-1-naphthalenyl)azo-1-naphthalenesulfonato(3-)-, disodium hydrogen ACID BLUE193 (C.I. 15707) Blue 2R