英文名称:N-{(1Z,4Z)-4-[{4-[Ethyl(3-Sulfobenzyl)Amino]Phenyl}(2-Sulfophenyl)Methylidene]Cyclohexa-2,5-Dien-1-Ylidene}-N-(3-Sulfobenzyl)Ethanaminium; Acid Blue 9; Food Blue 2; C.I. 42090; C.I.Acid Blue 9; Acid Blue Ea; C.I. Direct Brown 78; Diammonium 2-[(Z)-{4-[Ethyl(3-Sulfonatobenzyl)Amino]Phenyl}{(4Z)-4-[Ethyl(3-Sulfonatobenzyl)Iminio]Cyclohexa-2,5-Dien-1-Ylidene}Methyl]Benzenesulfonate; N-{(1Z,4Z)-4-[{4-[Ethyl(3-Sulfobenzyl)Amino]Phenyl}(2-Sulfophenyl)Methylidene]Cyclohexa-2,5-Dien-1-Ylidene}-N-(3-Sulfobenzyl)Ethanaminium; C.I. Acid Blue 9; C.I. Acid Blue 9, Diammonium Salt; C.I. Acid Blue 9, Diammonium Salt; Diammonium 2-[(Z)-{4-[Ethyl(3-Sulfonatobenzyl)Amino]Phenyl}{(4Z)-4-[Ethyl(3-Sulfonatobenzyl)Iminio]Cyclohexa-2,5-Dien-1-Ylidene}Methyl]Benzenesulfonate; Acid Blue Ea; Acid Blue 9; C.I. Direct Brown 78, Diammonium Salt