5-Chloro-6-(pyridin-3-yl)pyrimidin-4-ol

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

1-benzyl-4-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]acetamido}piperidine-4-carboxylic acid

3-bromo-4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]benzoic acid

4-bromo-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]benzoic acid

3-[benzyl(methyl)amino]-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]propanoic acid

4-ethoxy-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanoyl]pyrrolidine-3-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]-2-methylpentanoic acid

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

2-(cyclopropylmethyl)-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]propanoic acid

2-{4-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]morpholin-2-yl}acetic acid