2-Fluoro-2-(piperidin-4-yl)acetic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]-N-methylformamido}acetic acid

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

2-({1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-4-carbonyl]azetidin-3-yl}oxy)acetic acid

2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-2-azabicyclo[2.2.2]octane-1-carboxylic acid

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

5-Methoxy-2-methyl-3-(1-methylethyl)benzoic acid

4-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexan-1-yl]formamido}-2,2-dimethylbutanoic acid

Methyl 4-amino-3-(2-hydroxyethoxy)-3-methylbutanoate

rac-(1R,3S)-3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclopentane-1-carboxylic acid

4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(propan-2-yl)hexanamido]butanoic acid