((2R)-4,6-Dioxabicyclo[3.3.0]oct-2-yloxy)-N-((1S,2R)-3-{(2H-benzo[3,4-d]1,3-dioxolan-5-ylsulfonyl) 5-(ethylthiocarbonylamino)-2,2-dimethylpentyl]amino}-2-hydroxy-1-benzylpropyl) carboxamide AIDS-095563 AIDS095563