(2S)-N-(3-{(2S)-2-[N-(tert-Butyl)carbamoyl]piperidyl}(1S,2S)-2-hydroxy-3-oxo-1-benzylpropyl)-3-carbamoyl-2-[(phenylmethoxy)carbonylamino]propanamide AIDS-059170 AIDS059170 Z-Asn-Phe-psi [(S)-CH(OH)C(O)N]Pic-NH-tBu