(1R)-1-Chloro-1-fluoroethane

3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]methyl}pentanoic acid

8-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-8-azabicyclo[3.2.1]octane-3-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]bicyclo[3.1.0]hexane-1-carboxylic acid

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

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]bicyclo[3.1.0]hexane-1-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]bicyclo[3.1.0]hexane-1-carboxylic acid

3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]bicyclo[3.1.0]hexane-1-carboxylic acid

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

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

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