((2R)-4,6-Dioxabicyclo[3.3.0]oct-2-yloxy)-N-[(1S,2R)-3-([6-(ethoxycarbonylamino)-2,2-dimethylhexyl] {[3-(methylamino)phenyl]sulfonyl}amino)-2-hydroxy-1-benzylpropyl] carboxamide AIDS-095599 AIDS095599