(3R,3aS,6aR or 3S,3aR,6aS)-Hexahydrofuro[2,3-b]furan-3-yl-N-((1S,2R)-3-[4-([(2-amino-2-oxoethyl) amino] carbonylamino)-2,2-dimethybutyl][(4-methoxyphenyl) sulfonyl] amino-1-benzyl-2-hydroxypropyl) carbamate AIDS-095482 AIDS095482