SMILES: C1=CC=C2C(=C1)C3=NC4=NC(=NC5=C6C=CC=CC6=C([N-]5)N=C7C8=C(C(=CC=C8)S(=O)(=O)[O-])C(=N7)N=C2[N-]3)C9=C4C=CC=C9S(=O)(=O)[O-].[Cu]
Description: The molecule is an organosulfonate oxoanion resulting from the removal of a proton from both of the sulfo groups of a copper phthalocyanine-disulfonic acid. It is a conjugate base of a Luxol fast blue MBS (acid form).