((2R)-4,6-Dioxabicyclo[3.3.0]oct-2-yloxy)-N-[(1S,2R)-3-([(4-aminophenyl)sulfonyl] {6-[(dimethylamino)carbonylamino]-2,2-dimethylhexyl}amino)-2-hydroxy-1-benzylpropyl] carboxamide AIDS-095604 AIDS095604