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

N-<2-<<1(S)-(cyclohexylmethyl)-3,3-difluoro-2(R)-hydroxy-4-<<2-(4-morpholinyl)ethyl>amino>-4-oxobutyl>amino>-2-oxo-1-propoxyethyl>-α-<(4-morpholinylsulfonyl)amino>benzenepropanamide

N-(4-morpholinylsulfonyl)-L-phenylalanyl-α-amino-N-<1(S)-(cyclohexylmethyl)-3,3-difluoro-4-<<2-(4-morpholinyl)ethyl>amino>-2,4-dioxobutyl>-3-oxo-L-butanamide

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