4-Hydroxy-7-[(N-{5-hydroxy-7-sulfo-6-[(3,4,5-trimethoxyphenyl)diazenyl](2-naphthyl)}carbamoyl)carbonylamino]-3-[(3,4,5-trimethoxyphenyl)diazenyl]naphthalene-2-sulfonic acid AIDS-104510 AIDS104510