(S)-2-((1S,2R)-1-Benzyl-3-ethoxycarbonyl-3,3-difluoro-2-hydroxy-propylcarbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

[4(S)-[[(N-tert-butoxycarbonyl)-L-valyl]amino-2,2-difluoro-5-phenyl-3(R)-hydroxypentanoyl]-L-valyl]-L-isoleucine methyl ester

[[4(S)-[(N-tert-butoxycarbonyl)amino]-2,2-difluoro-5-phenyl-3(R)-hydroxypentanoyl]-L-valyl]-L-isoleucine methyl ester

{(S)-1-[(S)-1-((1S,2R)-1-Benzyl-3,3-difluoro-2-hydroxy-3-{(1S,2S)-2-methyl-1-[(pyridin-2-ylmethyl)-carbamoyl]-butylcarbamoyl}-propylcarbamoyl)-2-(1H-imidazol-4-yl)-ethylcarbamoyl]-2-phenyl-ethyl}-carbamic acid tert-butyl ester

N-(4-morpholinylsulfonyl)-L-phenylalanyl-4,5-didehydro-N-<3,3-difluoro-2(R)-hydroxy-4-<<2-(4-morpholinyl)ethyl>amino>-4-oxo-1(S)-(phenylmethyl)butyl>-L-norvalinamide