SMILES: C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)[N+](=O)[O-])N)O
Description: The molecule is an organosulfonate oxoanion resulting from the removal of a proton from both of the sulfonic acid groups of Amido Black 10B (acid form). It has a role as a histological dye. It is a conjugate base of an Amido Black 10B (acid form).