2-(Difluoromethyl)-6-fluoro-3-hydroxy-4-nitropyridine

tert-butyl N-{3-fluoro-4-[(pyrrolidin-3-yl)methyl]phenyl}carbamate

3-(4-{[(Tert-butoxy)carbonyl]amino}-3-chlorophenyl)butanoic acid

1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-thiazole-5-carbonyl}-3-methylpyrrolidine-2-carboxylic acid

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

3-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl}-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

1-(3-Chloro-4-fluorophenyl)-2-fluoroethan-1-ol

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-1,2,3,6-tetrahydropyridine-4-carboxylic acid

1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]-1,2,3,6-tetrahydropyridine-4-carboxylic acid

3-[N-cyclopropyl-2-(cyclopropylmethyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]propanoic acid