AIDS-071283 AIDS071283 N-{(1S)-1-[N-(tert-Butyl)carbamoyl]ethyl}-3-{(2S)-3-carbamoyl-2-[(phenylmethoxy)carbonylamino]propanoylamino}(2S,3S)-2-hydroxy-4-phenyl-N-(2-phenylethyl)butanamide