SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C=C3OC4=CC(=C(C=C42)F)O)F)C(=O)O
Description: The molecule is a xanthene dye that is fluorescein bearing two fluoro substituents at positions 2' and 7'. It has a role as a fluorochrome.