(2Z)-2-[(E)-3-[4-carboxy-6-[6-[hydroxy-[hydroxy-[hydroxy-[hydroxy-[hydroxy-[hydroxy-[[(2S,3R,5S)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy]phosphoryl]oxyphosphoryl]oxyphosphoryl]oxyphosphoryl]oxyphosphoryl]oxyphosphoryl]oxyhexylcarbamoyl]-3,3-dimethyl-1-(3-sulfopropyl)indol-1-ium-2-yl]prop-2-enylidene]-6-[6-[hydroxy-[hydroxy-[hydroxy-[hydroxy-[hydroxy-[hydroxy-[[(2S,3R,5S)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy]phosphoryl]oxyphosphoryl]oxyphosphoryl]oxyphosphoryl]oxyphosphoryl]oxyphosphoryl]oxyhexylcarbamoyl]-3,3-dimethyl-1-(3-sulfopropyl)indole-4-carboxylic acid