(3R,3aS,6aR)-Hexahydrofuro [2,3-b] furan-3-yl N-(1S,2R)-1-benzyl-3-[(2,3-dihydro-1,4-benzodioxin-6-ylsulfonyl) (5-[(dimethylamino) carbonyl] amino-2,2-dimethylpentyl)amino]-2-hydroxypropyl carbamate AIDS-095528 AIDS095528