Tert-butyl 5-amino-4-cyanothiophene-2-carboxylate

tert-butyl N-[(1R)-1-(3-fluoro-4-methylphenyl)-3-oxopropyl]carbamate

tert-butyl N-[(1R)-1-(2,5-dichlorophenyl)-3-oxopropyl]carbamate

tert-butyl N-[(1R)-3-oxo-1-(2,4,5-trifluorophenyl)propyl]carbamate

6-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]-4,4-dimethylhexanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methoxypentanamido]oxolane-3-carboxylic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]ethyl}-1,3-thiazole-4-carboxylic acid

(2S)-3-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}-2-hydroxypropanoic acid

4-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}-2-hydroxybutanoic acid

(2S)-2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}hexanoic acid

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methyl-2-(1-methyl-1H-pyrazol-4-yl)acetamido]-2-methylpropanoic acid