(2S)-N-((1S,2R)-3-{4-[(3,4-Dimethoxyphenyl)methyl]-2(S)-[N-(tert-butyl)carbamoyl]piperazinyl}-2-hydroxy-1-benzylpropyl)-3-methyl-2-({[2-(methylethyl)(1,3-thiazol-4-yl)]methoxy}carbonylamino)butanamide AIDS-071436 AIDS071436