1-tert-butoxycarbonyl 4-tert-butylcarbamoyl-4-cyclohexylpiperidine

(R)-2-[(R)-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

(R)-1-(2-氨基-3-(4-氟苯基)丙酰基)-N-叔丁基-4-环己基哌啶-4-羧酰胺

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

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

(2S)-2-[[[(R)-2-[4-Cyclohexyl-4-[[(1,1-dimethylethyl)amino]carbonyl]-1-piperidinyl]-1-[(4-fluorophenyl)methyl]-2-oxoethyl]amino]carbonyl]-4-methyl-1-piperazinecarboxylic Acid 1,1-dimethylethyl 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