C.I. Direct blue 72; C.I.Direct Blue 72(34145); 6'-Amino-1'-hydroxy-4-[(4-phenylazo-6-sodiosulfo-1-naphthalenyl)azo][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt; Direct Fast Blue FR; Diazol Light Blue B; Trisodium 7-amino-4-hydroxy-3-[(E)-{4-[(E)-{4-[(E)-phenyldiazenyl]-6-sulfonato-1-naphthyl}diazenyl]-6-sulfonato-1-naphthyl}diazenyl]-2-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 5-[(E)-2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-8-[(E)-2-[4-[(E)-2-phenyldiazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:3)
