(3R,3aS,6aR)-Hexahydrofuro[2,3-b] furan-3-yl N-((1S,2R)-1-benzyl-3-[2,2-dimethyl-5-(N'-methylcarbamoyloxypentyl)][(3,4-methylenedioxyphenyl) sulfonyl] amino-2-hydroxypropyl) carbamate AIDS-095532 AIDS095532