(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl {(1S,2R)-3-[[(2-amino-1-methyl-1H-benzimidazol-6-yl)sulfonyl](isobutyl)amino]-1-benzyl-2-hydroxypropyl}carbamate AIDS-223695 AIDS223695