4-(6-Chloro-3-ethoxycarbonyl-pyridin-2-yl)-piperazine-1-carboxylic acid tert-butyl ester

5-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]methyl}-1-methyl-1H-pyrazole-4-carboxylic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-ynoyl]-3-azabicyclo[4.1.0]heptane-7-carboxylic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxo-5-[2-(propan-2-yl)morpholin-4-yl]pentanoic acid

(2R)-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4H-1,2,4-triazole-3-carbonyl]-2-methylpyrrolidine-2-carboxylic acid

tert-butyl 3-amino-3-(1-methyl-1H-1,2,4-triazol-3-yl)pyrrolidine-1-carboxylate

2-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]piperidin-2-yl}acetic acid

2-[1-hexyl-5-(2-methoxyethyl)-1H-1,2,3-triazol-4-yl]ethan-1-amine

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]cyclohexane-1-carboxylic acid

4-[(2S,3R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxy-N-methylbutanamido]oxolane-3-carboxylic acid

5-[(2S,3R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanamido]-3-methylpentanoic acid