2-((1-(Tert-butoxycarbonyl)-1,4-diazepan-6-YL)oxy)acetic acid

(2S)-2-(2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]phenyl}-N-methylacetamido)propanoic acid

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

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

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(propan-2-yloxy)carbamoyl]propanoic acid

3-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridine-2-amido]cyclopentane-1-carboxylic acid

2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoro-N-(2-methylpropyl)propanamido]acetic acid

rac-(3R,4R)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanoyl]-4-methylpyrrolidine-3-carboxylic acid

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

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