5-(2,5-Difluoro-4-nitrophenyl)-1,2-oxazol-4-amine

rac-(1R,2S)-2-({2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}methyl)cyclopentane-1-carboxylic acid

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

rac-(1R,2S)-2-({[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}methyl)cyclopentane-1-carboxylic acid

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

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

4-chloro-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]benzoic acid

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]-6-fluorobenzoic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methanesulfonylbutanamido]cyclobutane-1-carboxylic acid

4-chloro-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]benzoic acid

6-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]-4,4-dimethylhexanoic acid