AIDS-110881 AIDS110881 Carbamic acid, [(1S)-1-[[[(1S)-3,3-difluoro-4-[[(1R)-1-[(formyloxy)methyl]-2-methylpropyl]amino]-2,4-dioxo-1-[[4-(phenylmethoxy)phenyl]methyl]butyl]amino]carbonyl]-2-methylpropyl]-, phenylmethyl ester