((2R)-4,6-Dioxabicyclo[3.3.0]oct-2-yloxy)-N-{(1S,2R)-3-[(2H-benzo[3,4-d]1,3-dioxolan-5-ylsulfonyl)(2,2-dimethyl-5-{[(methylamino)thioxomethyl]amino}pentyl)amino]-2-hydroxy-1-benzylpropyl} carboxamide AIDS-095709 AIDS095709