AIDS-169468 AIDS169468 Carbamic acid, [(1S)-1-[[(3aS,6aR)-6-cyclobutyl-4-(cyclopropylcarbonyl)hexahydro-5-oxopyrrolo[3,2-b]pyrrol-1(2H)-yl]carbonyl]-2-methylpropyl]-, 1,1-dimethylethyl ester