(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl N-((1S,2R)-1-benzyl-3-(2,2-dimethyl-5-hydroxyiminohexyl)[(3,4-methylenedioxyiphenyl) sulfonyl] amino-2- hydroxypropyl) carbamate AIDS-095520 AIDS095520