{(1S,2S)-3-[(R)-4-(Adamantan-1-ylcarbamoyl)-5,5-dimethyl-thiazolidin-3-yl]-1-benzyl-2-hydroxy-3-oxo-propyl}-carbamic acid tert-butyl ester

{(1S,2S)-1-Benzyl-2-hydroxy-3-[(R)-4-(indan-1-ylcarbamoyl)-5,5-dimethyl-thiazolidin-3-yl]-3-oxo-propyl}-carbamic acid tert-butyl ester

benzyl N-[(4S,5S)-4-benzyl-1,3-oxazolidin-2-one-5-carbonyl]piperidine-4-carboxylate

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

(S)-2-tert-Butoxycarbonylamino-3-methyl-butyric acid (1S,2S)-2-benzyloxycarbonylamino-1-((R)-4-tert-butylcarbamoyl-thiazolidine-3-carbonyl)-3-phenyl-propyl ester