68399-73-5

3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-phenylmethyl]anilino]methyl]benzenesulfonate Bis[3-[[ethyl[4-[[4-[ethyl(3-sulfonatobenzyl)iminio]-2,5-cyclohexadienylidene]phenylmethyl]phenyl]amino]methyl]benzenesulfonic acid]barium salt dihydrogen (ethyl)[4-[alpha-[4-[ethyl(3-sulphonatobenzyl)amino]phenyl]benzylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium, barium salt