(3R,3aS,6aR) hexahydrofuro [2,3-b] furan-3-yl N-(1S,2R)-3-[(4-[(hydroxy)acetylamino]-2,2-dimethylbutyl) (1,3-benzodioxol-5-ylsulfonyl) amino]-1-benzyl-2-hydroxypropyl carbamate AIDS-095802 AIDS095802