N4-(1H-Pyrazolo[3,4-D]pyrimidin-4-YL)pyrimidine-2,4-diamine

4-[(2R)-N-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]butanoic acid

4-[N-ethyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]butanoic acid

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

4-{N-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopent-2-en-1-yl]formamido}butanoic acid

4-(3-Methanesulfonylpropyl)pyrrolidin-3-ol

2-({[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]formamido}methyl)-3,3,3-trifluoropropanoic acid

1-ethyl-2-(1H-pyrrol-2-yl)pyrrolidin-3-amine

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

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanoyl]morpholine-3-carboxylic acid

2-ethyl-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanamido]butanoic acid