(2S,4S)-4-Chloro-1-((2S,3S)-3-{[1-(5-fluoro-3-hydroxy-2-methyl-phenyl)-methanoyl]-amino}-2-hydroxy-4-naphthalen-2-yl-butanoyl)-pyrrolidine-2-carboxylic acid tert-butylamide AIDS-085542 AIDS085542