Methyl 2-(2-amino-5-methylcyclohexyl)acetate

4-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-2-yl}formamido)-2-hydroxybutanoic acid

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

rac-(2R,3R)-3-[(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}acetamido)methyl]oxolane-2-carboxylic acid

4-(1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl}-N-methylformamido)butanoic acid

rac-(3R,5R)-5-({[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}methyl)oxolane-3-carboxylic acid

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

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylhex-4-enoyl]-2-methylpyrrolidine-3-carboxylic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylhex-4-enamido]oxolane-3-carboxylic acid

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoyl]-2-methylmorpholine-2-carboxylic acid

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