AIDS-163756 AIDS163756 PhCH2-O-CO-Asn-(2S,3S)-AHPBA-Cpp-NH-tBu {(S)-1-[(1S,2S)-1-Benzyl-3-((2S,4S)-2-tert-butylcarbamoyl-4-phenyl-pyrrolidin-1-yl)-2-hydroxy-3-oxo-propylcarbamoyl]-2-carbamoyl-ethyl}-carbamic acid benzyl ester