7,7'-{Carbonylbis[imino(1-methyl-1H-pyrrole-4,2-diyl)carbonylimino(1-methyl-1H-pyrrole-4,2-diyl)carbonylimino(1-methyl-1H-pyrrole-4,2-diyl)carbonylimino]}dinaphthalene-1,3-disulfonic acid AIDS-030715 AIDS030715 NSC664739