(2S,4S)-4-Chloro-1-[(2S,3S)-2-hydroxy-3-{[1-(5-fluoro-3-hydroxy-2-methyl-phenyl)-methanoyl]-amino}-4-(3-trifluoromethyl-phenyl)-butanoyl]-pyrrolidine-2-carboxylic acid tert-butylamide AIDS-085526 AIDS085526