英文名称:C.I. Direct Blue 6, Tetrasodium Salt; C.I. 22610; C.I. Direct Blue 6; Tetrasodium (3Z,3'Z)-3,3'-[Biphenyl-4,4'-Diyldi(1Z)Hydrazin-2-Yl-1-Ylidene]Bis(5-Amino-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate); (3Z)-5-Amino-3-({4'-[(2E)-2-(8-Amino-1-Oxo-3,6-Disulfonaphthalen-2(1H)-Ylidene)Hydrazino]Biphenyl-4-Yl}Hydrazono)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid; Tetrasodium (3Z)-5-Amino-3-({4'-[(2E)-2-(8-Amino-1-Oxo-3,6-Disulfonatonaphthalen-2(1H)-Ylidene)Hydrazino]Biphenyl-4-Yl}Hydrazono)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate; Direct Blue 6