5-(Cyanomethyl)-3-(difluoromethyl)-6-methylpicolinonitrile

2-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-2-azabicyclo[2.1.1]hexane-1-carboxylic acid

4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]hexanoic acid

1-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-4-hydroxypiperidine-4-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]-2-azabicyclo[2.1.1]hexane-1-carboxylic acid

2-{N-cyclopropyl-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorophenyl]formamido}acetic acid

2-cyclopropyl-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorophenyl]formamido}acetic acid

(2R)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorobenzoyl]pyrrolidine-2-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorobenzamido]cyclobutane-1-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorobenzamido]cyclopropane-1-carboxylic acid

3-{N-ethyl-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorophenyl]formamido}propanoic acid