7-Methyl-[1,2,4]triazolo[4,3-a]pyridin-6-amine

2-(N-benzyl-1-{4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]phenyl}formamido)acetic acid

2-{N-benzyl-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxyphenyl]formamido}acetic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-2-(methoxymethyl)pyrrolidine-2-carboxylic acid

rac-2-cyclopropyl-2-({[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}oxy)acetic acid

2-cyclopropyl-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]oxy}acetic acid

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

2-cyclopropyl-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylhexanamido]oxy}acetic acid

2-({[3,5-dichloro-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}oxy)propanoic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxypropanoyl]-octahydrocyclopenta[b]pyrrole-3a-carboxylic acid

1-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetyl]-octahydrocyclopenta[b]pyrrole-3a-carboxylic acid