SMILES: C1=CC(=C(C=C1C(=O)[O-])C2=C3C=CC(=N)C(=C3OC4=C2C=CC(=C4S(=O)(=O)[O-])N)S(=O)(=O)[O-])C(=O)O
Description: The molecule is the anionic form of a fluorescent dye derived from a 3,6-diaminoxanthenium-4,5-disulphate. It has a role as a fluorochrome. It is an organosulfonate oxoanion and a xanthene dye. It derives from a fluorescin.