(R)-N-(3-methylbenzyl)-3-<(2S,3S)-3-amino-2-hydroxy-4-phenylbutanoyl>-1,3-thiazolidine-4-carboxamide

[(1S,2S)-1-Benzyl-3-((R)-4-tert-butylcarbamoyl-thiazolidin-3-yl)-2-hydroxy-3-oxo-propyl]-carbamic acid benzyl ester

(R)-N-tert-butyl-3-[(2S,3S)-3-[(S)-2-(tert-butoxycarbonyl)amino-3-methylbutanoyl]amino-2-hydroxy-4-phenylbutanoyl]-1,3-thiazolidine-4-carboxamide

N2-((2S,3S)-4-((3-(2H-tetrazol-5-yl)phenyl)amino)-3-hydroxy-4-oxo-1-phenylbutan-2-yl)-N6-benzyl-4-oxo-4H-pyran-2,6-dicarboxamide

1-((4S,5R)-4-Benzyl-2-oxo-oxazolidine-5-carbonyl)-piperidine-4-carboxylic acid