(S)-1-(3-nitropyridin-2-yl)pyrrolidin-3-ol

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]oxy}propanoic acid

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxypropanamido]oxy}propanoic acid

rac-1-{2-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetyl}-1,2,3,6-tetrahydropyridine-4-carboxylic acid

6-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-dimethylpentanamido]hexanoic acid

rac-(1R,3R,5R)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]bicyclo[3.1.0]hexane-1-carboxylic acid

3-(Aminomethyl)-3-(2-methanesulfonylphenyl)cyclobutan-1-ol

1-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]acetyl}-3,4-dimethylpyrrolidine-3-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-octahydrocyclopenta[c]pyrrole-3a-carboxylic acid

2-[(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]formamido}ethyl)sulfanyl]acetic acid

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