(S)-3-[(R)-2-(4-tert-Butylcarbamoyl-4-cyclohexyl-piperidin-1-yl)-1-(4-fluoro-benzyl)-2-oxo-ethylcarbamoyl]-4-methyl-piperazine-1-carboxylic acid benzyl ester

(S)-2-[(S)-2-(4-tert-Butylcarbamoyl-4-cyclohexyl-piperidin-1-yl)-1-(4-fluoro-benzyl)-2-oxo-ethylcarbamoyl]-piperazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester

(2S)-2-[[[(1R)-2-[4-cyclohexyl-4-[[(1,1-dimethylethyl)amino]carbonyl]-1-piperidinyl]-1-[(4-fluorophenyl)methyl]-2-oxoethyl]amino]carbonyl]-1,4-piperazinedicarboxylic Acid 1-(1,1-dimethylethyl) 4-(phenylmethyl) Ester