IUPAC:tetrasodium 2-[(1E)-2-[(3Z)-3-{2-[(2Z)-1-(5-carboxylatopentyl)-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]ethylidene}-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl]ethenyl]-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate
IUPAC:tetrasodium 2-[(1E)-2-[(3Z)-3-{2-[(2Z)-1-(5-carboxylatopentyl)-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]ethylidene}-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl]ethenyl]-3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-5-sulfonate