SMILES: C1=CC2=C(C3=C(C4=C(C=C3)C=C(C=C4)O)OC2=C5C1=CC(=O)C=C5)C6=C(C=C(C=C6)C(=O)O)C(=O)O
Description: The molecule is a carboxynaphthofluorescein compound having a carboxy substituent at the 5-position. It has a role as a fluorochrome. It derives from a fluorescein.