英文名称:C.I. Direct Black 22; Direct Black 22; Direct Black 22; Trisodium 6-[(E)-(2,4-Diaminophenyl)Diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-Diaminophenyl)Diazenyl]-1-Hydroxy-3-Sulfonatonaphthalen-2-Yl}Diazenyl]Phenyl}Amino)-3-Sulfonatophenyl]Diazenyl}-4-Hydroxynaphthalene-2-Sulfonate; 2-Naphthalenesulfonic Acid, 6-(2-(2,4-Diaminophenyl)Diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-Diaminophenyl)Diazenyl)-1-Hydroxy-3-Sulfo-2-Naphthalenyl)Diazenyl)Phenyl)Amino)-3-Sulfophenyl)Diazenyl)-4-Hydroxy-, Sodium Salt (1:3); Trisodium 6-[(E)-(2,4-Diaminophenyl)Diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-Diaminophenyl)Diazenyl]-1-Hydroxy-3-Sulfonatonaphthalen-2-Yl}Diazenyl]Phenyl}Amino)-3-Sulfonatophenyl]Diazenyl}-4-Hydroxynaphthalene-2-Sulfonate; C.I. 35435; 2-Naphthalenesulfonic Acid, 6-(2-(2,4-Diaminophenyl)Diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-Diaminophenyl)Diazenyl)-1-Hydroxy-3-Sulfo-2-Naphthalenyl)Diazenyl)Phenyl)Amino)-3-Sulfophenyl)Diazenyl)-4-Hydroxy-, Sodium Salt (1:3)