N-(4-morpholinylsulfonyl)-L-phenylalanyl-N-<1(S)-(cyclohexylmethyl)-3,3-difluoro-3(R)-hydroxy-4-<<2-(4-morpholinyl)ethyl>amino>-4-oxobutyl>-4,5-didehydro-L-glicinamide

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

(4-{(S)-tert-Butoxycarbonylamino-[(1S,2R)-1-cyclohexylmethyl-3,3-difluoro-2-hydroxy-3-(2-morpholin-4-yl-ethylcarbamoyl)-propylcarbamoyl]-methyl}-thiazol-2-yl)-carbamic acid benzyl ester

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

N-(4-morpholinylsulfonyl)-L-phenylalanyl-N-<1(S)-(cyclohexylmethyl)-3,3-difluoro-2(R)-hydroxy-4-<<2-(4-morpholinyl)ethyl>amino>-4-oxobutyl>-L-threoninamide