(2S)-N-(3-{(4S)-3-Aza-4-[N-(tert-butyl)carbamoyl]bicyclo[4.4.0]dec-3-yl}(1S,2R)-2-hydroxy-1-benzylpropyl)-2-{(2S)-2-[(phenylmethoxy)carbonylamino]propanoylamino}-3-methylbutanamide AIDS-071985 AIDS071985