sodium 2-[N-butyl-4-[[4-[butyl(2-sulfonatoethyl)iminio]cyclohexa-2,5-dien-1-ylidene]-[4-(4-ethoxyanilino)phenyl]methyl]anilino]ethanesulfonate | sodium 2-[N-butyl-4-[[4-[butyl(2-sulfonatoethyl)azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-[4-(4-ethoxyanilino)phenyl]methyl]anilino]ethanesulfonate |
sodium 2-[butyl-[4-[[4-[butyl(2-sulfonatoethyl)azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-[4-[(4-ethoxyphenyl)amino]phenyl]methyl]phenyl]amino]ethanesulfonate | N-[4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[N-butyl-N-(2-sodiosulfoethyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-(2-sulfonatoethyl)-1-butanaminium |