5-[(6-{[6-(N-{6-[(3,5-Dicarboxyphenyl)diazenyl]-5-hydroxy-7-sulfo(2-naphthyl)}carbamoyl)-4-oxopyran-2-yl]carbonylamino}-1-hydroxy-3-sulfo-2-naphthyl)diazenyl]benzene-1,3-dicarboxylic acid AIDS-104440 AIDS104440