((4R)-3-{(2S,3S)-3-[(2-Ethyl-3-hydroxyphenyl)carbonylamino]-2-hydroxy-4-phenylbutanoyl}-5,5-dimethyl(1,3-thiazolidin-4-yl))-N-(tert-butyl)carboxamide AIDS-079994 AIDS079994 Carboxamide der.