(4S)-4-[N-((1S)-1-Carbamoyl-2-phenylethyl)carbamoyl]-4-{(2S,4S,5S)-5-[(tert-butoxy)carbonylamino]-4-hydroxy-6-phenyl-2-benzylhexanoylamino}butanoic acid 5-Amino-2-benzyl-4-hydroxy-6-phenylhexanoic acid derivative AIDS-096206 AIDS096206