(3R)-1-amino-5-(pyrrolidin-1-yl)pentan-3-ol

3-[(2S)-N-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]propanoic acid

2-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}-1,3-thiazole-4-carboxylic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]-4-methylcyclohexane-1-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanoyl]-2-methyl-1,3-thiazolidine-4-carboxylic acid

4-({2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl}formamido)but-2-enoic acid

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

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)-N-methylbutanamido]butanoic acid

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

1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-3-propylpyrrolidine-3-carboxylic acid

5-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]methyl}-1,2-oxazole-3-carboxylic acid