英文名称:C.I. Direct Red 80; Hexasodium 4-Hydroxy-7-[({5-Hydroxy-7-Sulfonato-6-[(E)-{2-Sulfonato-4-[(E)-(4-Sulfonatophenyl)Diazenyl]Phenyl}Diazenyl]Naphthalen-2-Yl}Carbamoyl)Amino]-3-[(E)-{2-Sulfonato-4-[(E)-(4-Sulfonatophenyl)Diazenyl]Phenyl}Diazenyl]Naphthalene-2-Sulfonate; C.I. Direct Red 80, Hexasodium Salt; Direct Red 80; Hexasodium 7,7'-(Carbonyldiimino)Bis[4-Hydroxy-3-[[2-Sulphonato-4-[(4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate]; C.I. Direct Red 80, Hexasodium Salt; Directred; C.I. Direct Red 80; Hexasodium 4-Hydroxy-7-[({5-Hydroxy-7-Sulfonato-6-[(E)-{2-Sulfonato-4-[(E)-(4-Sulfonatophenyl)Diazenyl]Phenyl}Diazenyl]Naphthalen-2-Yl}Carbamoyl)Amino]-3-[(E)-{2-Sulfonato-4-[(E)-(4-Sulfonatophenyl)Diazenyl]Phenyl}Diazenyl]Naphthalene-2-Sulfonate; Directred