SMILES: C1=CC=NC(=C1)C2=NC(=C(N=N2)C3=CC=C(C=C3)S(=O)(=O)[O-])C4=CC=C(C=C4)S(=O)(=O)[O-]
Description: The molecule is an organosulfonate oxoanion obtained by deprotonation of the sulfo groups of 4,4'-[3-(pyridin-2-yl)-1,2,4-triazine-5,6-diyl]dibenzenesulfonic acid. It is a conjugate base of a ferrozine free acid.