4-(1-(Tert-butoxycarbonyl)cyclohexyl)benzoic acid

(2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-2-methylpyrrolidine-2-carboxylic acid

1-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl}-4,4-dimethylpyrrolidine-3-carboxylic acid

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

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

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

2-{4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]oxan-4-yl}acetic acid

2-[N-(2,2-dimethylpropyl)-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido]acetic acid

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

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

2-({2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4,4-dimethylpentanamido}oxy)propanoic acid