4-[(6-{[4-(N-{6-[(4-Carboxy-2-methoxyphenyl)diazenyl]-5-hydroxy-7-sulfo(2-naphthyl)}carbamoyl)phenyl]carbonylamino}-1-hydroxy-3-sulfo(2-naphthyl))diazenyl]-3-methoxybenzoic acid AIDS-104455 AIDS104455