6-Chloro-4-(difluoromethyl)-5-fluoronicotinonitrile

2-cyclobutyl-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-3-yl]formamido}acetic acid

(2S,4R)-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

rac-2-(2-{[(1R,5S)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}acetamido)acetic acid

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

(3R)-1-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]piperidine-3-carboxylic acid

2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}-2-methylpentanoic acid

(1RS,5SR)-5-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]cyclohex-3-ene-1-carboxylic acid

3-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-2-methylpropanoic acid

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

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