3-(1-Phenyl-1H-pyrazol-4-yl)benzoic acid

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

3-(2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}-N-methylacetamido)-2-methylpropanoic acid

3-ethyl-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]azetidine-3-carboxylic acid

3-ethyl-1-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutanecarbonyl}azetidine-3-carboxylic acid

4-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}-3,3-dimethylbutanoic acid

(3S)-3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanamido]pentanoic acid

2-{1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]piperidin-2-yl}acetic acid

2-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]cyclopentyl}acetic acid

1-{[2-cyclobutyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]methyl}cyclopropane-1-carboxylic acid

2-[2-cyclobutyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]pent-4-enoic acid