IUPAC:5-bromo-2-[5-(3-{6-[(2,5-dioxopyrrolidin-1-yl)oxy]-6-oxohexyl}-3-methyl-5-sulfo-1-(3-sulfopropyl)-2,3-dihydro-1H-indol-2-ylidene)penta-1,3-dien-1-yl]-3,3-dimethyl-7-(3-sulfonatopropyl)-3H-pyrrolo[2,3-b]pyridin-7-ium
IUPAC:5-bromo-2-[5-(3-{6-[(2,5-dioxopyrrolidin-1-yl)oxy]-6-oxohexyl}-3-methyl-5-sulfo-1-(3-sulfopropyl)-2,3-dihydro-1H-indol-2-ylidene)penta-1,3-dien-1-yl]-3,3-dimethyl-7-(3-sulfonatopropyl)-3H-pyrrolo[2,3-b]pyridin-7-ium