Ethyl 3-(2,4-difluorophenyl)-2-oxopropanoate

2-cyclopropyl-2-({2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-4-yl]acetamido}oxy)acetic acid

2-cyclopropyl-2-[({2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-thiazol-4-yl}formamido)oxy]acetic acid

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

2-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]oxy}propanoic acid

(2S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-pyrrol-2-yl)propanamido]-2-hydroxypropanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-pyrrol-2-yl)propanamido]-2-hydroxypropanoic acid

2-({2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-pyrrol-2-yl)propanamido]ethyl}sulfanyl)acetic acid

3-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxan-3-yl}formamido)-3-methylbutanoic acid

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

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