6-Bromo-8-iodo-3-methyl-imidazo[1,2-a]pyridine

2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2,3-trimethylcyclohexyl]formamido}acetic acid

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

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hex-4-ynamido]cyclohexane-1-carboxylic acid

2-[(2S)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-5-carbonyl]pyrrolidin-2-yl]acetic acid

2-[(2S)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetyl]pyrrolidin-2-yl]acetic acid

2-[(2S)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolane-3-carbonyl]pyrrolidin-2-yl]acetic acid

2-[(2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanoyl]pyrrolidin-2-yl]acetic acid

2-[(2S)-1-(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}acetyl)pyrrolidin-2-yl]acetic acid

2-[(2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]pyrrolidin-2-yl]acetic acid

2-[(2S)-1-[5-cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]pyrrolidin-2-yl]acetic acid