1-(1-{5-Methylpyrazolo[1,5-a]pyrimidin-7-yl}piperidin-4-yl)-3-(2,2,2-trifluoroethyl)imidazolidine-2,4-dione

(2S)-2-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-2-yl}formamido)hexanoic acid

2-(3-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}cyclopentyl)acetic acid

[(2S)-2-amino-2-(pyrimidin-2-yl)ethyl]dimethylamine

2,2-Dimethyl-1-(1,3-oxazol-5-yl)cyclopropane-1-carboxylic acid

rac-1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentanecarbonyl]azetidine-3-carboxylic acid

6-(3-Chloro-2-(hydroxymethyl)-2-methylpropoxy)isoindolin-1-one

1-[(2S,3R)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]azetidine-3-carboxylic acid

[2,2-Dimethyl-3-(1,3-oxazol-5-yl)cyclopropyl]methanamine

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

6-Hydroxyimidazo[2,1-b][1,3]thiazole-5-carbonitrile