The molecule is an organosulfonate oxoanion that is the conjugate base of Cy3-bifunctional dye zwitterion. It is a Cy3 dye and an organosulfonate oxoanion. It is a conjugate base of a Cy3-bifunctional dye zwitterion.
(2E)-1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-2-[(E)-3-[1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3,3-dimethyl-5-sulfonatoindol-1-ium-2-yl]prop-2-enylidene]-3,3-dimethylindole-5-sulfonate