(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl {(1S,2R)-1-benzyl-3-[{[2-({[2-(dimethylamino)ethoxy]carbonyl}amino)-1H-benzimidazol-5-yl]sulfonyl}(isobutyl)amino]-2-hydroxypropyl}carbamate AIDS-223702 AIDS223702