N-(9-(2-((4-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)piperidin-1-yl)sulfonyl)phenyl)-6-(methyl(4-sulfophenyl)amino)-3H-xanthen-3-ylidene)-N-methyl-4-sulfoanilinium chloride
n-(9-(2-((4-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)piperidin-1-yl)sulfonyl)phenyl)-6-(methyl(4-sulfophenyl)amino)-3h-xanthen-3-ylidene)-n-methyl-4-sulfoanilinium chloride