4-((1-(2-methoxynicotinoyl)pyrrolidin-3-yl)oxy)-1,6-dimethylpyridin-2(1H)-one

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-(propan-2-yl)butanoic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]-2-(propan-2-yl)butanoic acid

rac-2-{[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl]formamido}-3-hydroxy-2-methylpropanoic acid

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]-2,2-dimethylpropanoic acid

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

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[4-(3-hydroxypropyl)piperidin-1-yl]-4-oxobutanoic acid

(2S,3R)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]-3-methoxybutanoic acid

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

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

3-(2-Hydroxy-4-methylphenyl)-2-methoxy-3-methylbutanoic acid