AIDS-006863 AIDS006863 MDL 73,669 [1-[[[3,3-Difluoro-2,4-dioxo-1-[[4-(phenylmethoxy)phenyl]methyl]-4-[(phenylmethyl)amino]butyl]amino]carbonyl]-2-methylpropyl]carbamic acid, phenylmethyl ester [S(R*,R*]-