(2S)-N-((1S,2R)-3-{4-[(3,4-Dimethoxyphenyl)methyl]-2(S)-[N-(tert-butyl)carbamoyl]piperazinyl}-2-hydroxy-1-benzylpropyl)-2-{[(2-ethyl(1,3-thiazol-5-yl))methoxy]carbonylamino}-3-methylbutanamide AIDS-071435 AIDS071435