(4R)-3-[(2S,3S)-3-[[2-(2,6-dimethylphenoxy)acetyl]amino]-2-hydroxy-4-phenylbutanoyl]-N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide (4R)-3-[(2S,3S)-3-[[2-(2,6-dimethylphenoxy)acetyl]amino]-2-hydroxy-4-phenyl-butanoyl]-N-[(1S,2R)-2-hydroxyindan-1-yl]-5,5-dimethyl-thiazolidine-4-carboxamide (4R)-3-[(2S,3S)-3-[[2-(2,6-dimethylphenoxy)-1-oxoethyl]amino]-2-hydroxy-1-oxo-4-phenylbutyl]-N-[(1S,2R)-2-hydroxy-1-indanyl]-5,5-dimethyl-4-thiazolidinecarboxamide (4R)-3-[(2S,3S)-3-[2-(2,6-dimethylphenoxy)ethanoylamino]-2-hydroxy-4-phenyl-butanoyl]-N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide