(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl {(1S,2R)-1-benzyl-2-hydroxy-3-[{[2-(hydroxymethyl)-1H-benzimidazol-5-yl]sulfonyl}(isobutyl)amino]propyl}carbamate AIDS-223710 AIDS223710