IUPAC:disodium 5-chloro-2-{5-[3,3-dimethyl-5-sulfonato-1-(3-sulfonatopropyl)-2,3-dihydro-1H-indol-2-ylidene]-3-(3-{3-[(2,5-dioxopyrrolidin-1-yl)oxy]-3-oxopropyl}phenyl)penta-1,3-dien-1-yl}-3,3-dimethyl-7-(3-sulfonatopropyl)-3H-pyrrolo[2,3-b]pyridin-7-ium
IUPAC:disodium 5-chloro-2-{5-[3,3-dimethyl-5-sulfonato-1-(3-sulfonatopropyl)-2,3-dihydro-1H-indol-2-ylidene]-3-(3-{3-[(2,5-dioxopyrrolidin-1-yl)oxy]-3-oxopropyl}phenyl)penta-1,3-dien-1-yl}-3,3-dimethyl-7-(3-sulfonatopropyl)-3H-pyrrolo[2,3-b]pyridin-7-ium