4-[(6-{[6-(N-{6-[(4-Carboxy-2-chloro-5-methoxyphenyl)diazenyl]-5-hydroxy-7-sulfo(2-naphthyl)}carbamoyl)(2-pyridyl)]carbonylamino}-1-hydroxy-3-sulfo(2-naphthyl))diazenyl]-5-chloro-2-methoxybenzoic acid AIDS-104432 AIDS104432