1-{Pyrazolo[1,5-a]pyrimidin-6-yl}cyclopentan-1-amine

5-(1-ethynylcyclopropyl)-1-methyl-1H-1,3-benzodiazole

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

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

3-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-5,5-dimethylhexanoic acid

6-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-4,4-dimethylhexanoic acid

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoyl]-2-azabicyclo[2.1.1]hexane-5-carboxylic acid

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpentanoyl]-2-azabicyclo[2.1.1]hexane-5-carboxylic acid

(3S)-3-[3-cyclopropyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-4-methylpentanoic acid

4-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-4-yl)propanamido]but-2-ynoic acid

3-{[1-(tert-butylsulfanyl)propan-2-yl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid