SMILES: C1=CC(=CC=C1N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)S(=O)(=O)CCOS(=O)(=O)[O-])N)O)S(=O)(=O)CCOS(=O)(=O)[O-]
Description: The molecule is the organosulfonate oxoanion that is the tetraanionic form of the azo dye remazole black-GR. It has a role as a dye. It is an organosulfonate oxoanion, a sulfone and a bis(azo) compound.