6-Chloro-5-(difluoromethyl)-4-(trifluoromethyl)picolinaldehyde

4-(3-ethyl-3-methylmorpholin-4-yl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

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

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{methyl[2-(methylsulfanyl)cyclopentyl]carbamoyl}butanoic acid

2,2-Difluoro-3-[(4-methylpent-4-en-1-yl)amino]propanoic acid

3-[(3,3-dimethylpent-4-en-1-yl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(3-methylpyridazin-4-yl)carbamoyl]propanoic acid

3-[benzyl(methyl)amino]-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-phenylacetamido]propanoic acid

(2R)-2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-methylpentanamido}propanoic acid

3-Cyclopentyl-1-oxo-2-oxaspiro[4.4]nonane-3-carboxylic acid

1-[1-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyrrolidine-3-carbonyl]-2-ethylpyrrolidine-3-carboxylic acid