(3R,3aS,6aR)-Hexahydrofuro [2,3-b] furan-3-yl N-[(1S,2R)-3-((1,3-benzodioxol-5-ylsulfonyl)-6-[(methoxycarbonyl) amino]-2,2-dimethylhexylamino)-1-benzyl-2-hydroxypropyl] carbamate AIDS-095508 AIDS095508