2-[(6-{[4-(N-{6-[(2-Carboxy-4,5-dimethoxyphenyl)diazenyl]-5-hydroxy-7-sulfo(2-naphthyl)}carbamoyl)phenyl]carbonylamino}-1-hydroxy-3-sulfo(2-naphthyl))diazenyl]-4,5-dimethoxybenzoic acid AIDS-104466 AIDS104466