(2S)-N-((1S,2R)-3-{2(S)-[N-(tert-Butyl)carbamoyl]-4-[(4-hydroxyphenyl)methyl]piperazinyl}-2-hydroxy-1-benzylpropyl)-3-methyl-2-({[2-(methylethyl)(1,3-thiazol-4-yl)]methoxy}carbonylamino)butanamide AIDS-071566 AIDS071566