SMILES: COC1=CC(=C2C=CC3=C(C=C(C4=C3C2=C1C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-]
Description: The molecule is the arenesulfonate oxoanion that is 8-methoxypyrene-1,3,6-trisulfonic acid deprotonated at each of the three sulfonic acid substituents. It is a conjugate base of an 8-methoxypyrene-1,3,6-trisulfonic acid.