The molecule is a 2',7'-bis-(2-carboxyethyl)carboxyfluorescein compound having a carboxy substituent in the 5-position. It has a role as a fluorochrome. It derives from a fluorescein.
4-[2,7-bis(2-carboxyethyl)-3-hydroxy-6-oxoxanthen-9-yl]benzene-1,3-dicarboxylic acid