4-[2-Chloro-6-(6-methoxy-pyridin-3-yl)-pyrimidin-4-yl]morpholine

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

1-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]piperidine-4-carboxylic acid

2-(1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazole-3-amido}cyclopropyl)acetic acid

(3S)-3-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}butanoic acid

6-Bromo-2,2-dimethylindolin-3-one

rac-2-{N-tert-butyl-1-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}acetic acid

2-(N-benzyl-1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-oxazol-4-yl}formamido)acetic acid

rac-1-({[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl]formamido}methyl)cyclopropane-1-carboxylic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-1-methyl-1H-pyrazole-4-carboxylic acid

2-[(2R)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-carbonyl]piperidin-2-yl]acetic acid