SMILES: C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC(=CC=C3)S(=O)(=O)[O-]
Description: The molecule is an organosulfonate oxoanion obtained by deprotonation of the sulfo group of 3-[(4-anilinophenyl)diazenyl]benzene-1-sulfonic acid. It is a conjugate base of a 3-[(4-anilinophenyl)diazenyl]benzene-1-sulfonic acid.