C.I.42625;Acid Blue 17;C.I.Acid Blue 17;Acilan Violet 7BN;N-[4-[Bis[4-[methyl(3-sulfophenyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium inner salt sodium salt;N-Methyl-N-[4-[[4-[N-methyl-N-(3-sulfonatophenyl)amino]phenyl][4-[N-methyl-N-(3-sodiosulfophenyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]methanaminium