Benzenemethanaminium, N-(4-((4-(diethylamino)-2-methylphenyl)(4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-3-sulfo-, hydroxide, inner salt, sodium salt

sodium 3-[[4-[[4-(diethylamino)-2-methylphenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate

IXNUVCLIRYUKFB-UHFFFAOYSA-M

CCN(CC)C1=CC(=C(C=C1)C(=C2C=CC(=[N+](CC)CC3=CC(=CC=C3)S(=O)(=O)[O-])C=C2)C4=CC=C(C=C4)N(CC)CC5=CC(=CC=C5)S(=O)(=O)[O-])C.[Na+]