(2S)-N-((1S,2R)-3-{(2H-Benzo[3,4-d]1,3-dioxolan-5-ylsulfonyl)[6-(methoxycarbonylamino)- 2,2-dimethylhexyl]amino}-2-hydroxy-1-benzylpropyl)-2-(methoxycarbonylamino)- 3,3-dimethylbutanamide AIDS-095621 AIDS095621