IUPAC:trisodium 2-[2-(3-{2-[3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)-2,3-dihydro-1H-indol-2-ylidene]ethylidene}-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)ethenyl]-1-(5-{[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}pentyl)-3,3-dimethyl-3H-indol-1-ium-5-sulfonate
IUPAC:trisodium 2-[2-(3-{2-[3,3-dimethyl-5-sulfonato-1-(4-sulfonatobutyl)-2,3-dihydro-1H-indol-2-ylidene]ethylidene}-2-(4-sulfonatophenoxy)cyclohex-1-en-1-yl)ethenyl]-1-(5-{[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}pentyl)-3,3-dimethyl-3H-indol-1-ium-5-sulfonate