1-(2-Amino-5-(methylthio)phenyl)propan-1-one

1-benzyl-4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-amido]piperidine-4-carboxylic acid

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

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

4-[(1-ethyl-1H-pyrazol-5-yl)methyl]piperidin-4-ol

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

(2S)-1-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]acetyl}piperidine-2-carboxylic acid

(2S,3S)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-3-methylpentanoic acid

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

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

3-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-hydroxy-2-methylpropanoic acid