(3R,3aS,6aR or 3S,3aR,6aS) Hexahydrofuro[2,3-b] furan-3-yl-N-((1S,2R)-1-benzyl-3-2,2-dimethyl-4-[(methylsulfonyl) amino]butyl[(4-methoxypheny) sulfonyl] amino-2-hydroxypropyl) carbamate AIDS-095480 AIDS095480