4-[5-Hydroxy-2-(propan-2-yl)cyclohexyl]morpholin-3-one

rac-2-{[(1R,5S)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}-3-hydroxy-2-methylpropanoic acid

(1RS&,2SR&)-2-({[(3RS,5RS)-5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl]formamido}methyl)cyclopropane-1-carboxylic acid

2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropaneamido}-3-fluorobenzoic acid

rac-3-{1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl]-N-(propan-2-yl)formamido}propanoic acid

rac-2-{1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl]piperidin-3-yl}acetic acid

2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutaneamido]cyclohexyl}acetic acid

2-ethyl-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hex-5-enamido]butanoic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]-2-hydroxybutanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(pyrimidin-5-yl)carbamoyl]propanoic acid

3-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}-2-methoxypropanoic acid