3-{4-[(6-{[N-(6-{[4-(2-Carboxyethyl)phenyl]diazenyl}-5-hydroxy-7-sulfo(2-naphthyl))carbamoyl]carbonylamino}-1-hydroxy-3-sulfo-2-naphthyl)diazenyl]phenyl}propanoic acid AIDS-104496 AIDS104496