4-(2-(7-(1-(5-Carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)hepta-1,3,5-trien-1-yl)-3,3-dimethyl-5-sulfo-3H-indol-1-ium-1-yl)butane-1-sulfonate 250mg

4-(2-(7-(1-(5-Carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)hepta-1,3,5-trien-1-yl)-3,3-dimethyl-5-sulfo-3H-indol-1-ium-1-yl)butane-1-sulfonate 250mg