IUPAC:tripotassium 2-{5-[3-(5-{[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}pentyl)-1,1-dimethyl-6,8-disulfonato-1H,2H,3H-benzo[e]indol-2-ylidene]penta-1,3-dien-1-yl}-1,1,3-trimethyl-1H-benzo[e]indol-3-ium-6,8-disulfonate
IUPAC:tripotassium 2-{5-[3-(5-{[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}pentyl)-1,1-dimethyl-6,8-disulfonato-1H,2H,3H-benzo[e]indol-2-ylidene]penta-1,3-dien-1-yl}-1,1,3-trimethyl-1H-benzo[e]indol-3-ium-6,8-disulfonate