Duaazol Red B; sirius red; picrosiriusred; Direct Fast Red F3B; C.I. direct red 80; Fast Red BA; SIRIUS RED F3B; Solophenyl red 3BL; Direct Red F3B; SIRIUS RED F3BA; Hexasodium 4-hydroxy-7-(3-(5-hydroxy-7-sulfonato-6-((2-sulfonato-4-((4-sulfonatophenyl)diazenyl)phenyl)diazenyl)naphthalen-2-yl)ureido)-3-((2-sulfonato-4-((4-sulfonatophenyl)diazenyl)phenyl)diazenyl)naphthalene-2-sulfonate; CI 35780; Ambidirect Red 3BL; Anadurm Red D-BA; Best Direct Supra Red F3B; Covalene Brilliant Red F3B