(R)-3-[(2S,4R)-2-Hydroxy-4-((3S,4S)-3-hydroxy-chroman-4-ylcarbamoyl)-5-phenyl-pentanoyl]-5,5-dimethyl-thiazolidine-4-carboxylic acid (3,5-dimethyl-isothiazol-4-ylmethyl)-amide AIDS-166157 AIDS166157