3-(4-{[6-({6-[N-(6-{[4-(2-Carboxyethyl)phenyl]diazenyl}-5-hydroxy-7-sulfo(2-naphthyl))carbamoyl](2-pyridyl)}carbonylamino)-1-hydroxy-3-sulfo-2-naphthyl]diazenyl}phenyl)propanoic acid AIDS-104426 AIDS104426