SMILES: CC1=CC=C(C=C1)N2C(=O)C3=CC=CC4=C3C(=CC(=C4N)S(=O)(=O)[O-])C2=O
Description: The molecule is an organosulfonate oxoanion obtained by deprotonation of the sulfo group of lissamine flavine FF. It is a conjugate base of a lissamine flavine FF free acid.