(3R,3aS,6aR)-Hexahydrofuro [2,3-b] furan-3-yl-N-(1S,2R)-3-[(4-amino-2,2-dimethylbutyl) (1,3-benzodioxol -5-ylsulfonyl)amino]-1-benzyl-2-hydroxypropyl carbamate AIDS-095543 AIDS095543