SMILES: CC(=O)NC1=CC(=C(C=C1)N=NC2=C(C=CC3=CC(=CC(=C32)O)S(=O)(=O)[O-])N)S(=O)(=O)[O-]
Description: The molecule is an organosulfonate oxoanion resulting from the removal of a proton from both of the sulfo groups of 5-[(4-acetamido-2-sulfophenyl)diazenyl]-6-amino-4-hydroxynaphthalene-2-sulfonic acid. It is a conjugate base of a lissamine fast red (acid form).