SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])O)S(=O)(=O)[O-]
Description: The molecule is an organosulfonate oxoanion obtained by deprotonation of the sulfo groups of Congo corinth (acid form). It is a conjugate base of a Congo corinth (acid form).