(2S)-N-(3-{(2S)-2-[N-(tert-butyl)carbamoyl]-4-oxopyrrolidinyl}(1S,2S)-2-hydroxy-3-oxo-1-benzylpropyl)-3-carbamoyl-2-[(phenylmethoxy)carbonylamino]propanamide AIDS-080391 AIDS080391 Z-Asn-(2S,3S)-AHPBA-[4-oxo]Pro t-butylamine