5-Bromo-3-iodopicolinic acid

rac-2-({1-[(1R,3S)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropanecarbonyl]azetidin-3-yl}oxy)acetic acid

2-({1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-ene-1-carbonyl]azetidin-3-yl}oxy)acetic acid

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

2-[(1-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetyl}azetidin-3-yl)oxy]acetic acid

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

(2S)-3-(dimethylamino)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]propanoic acid

(2S)-2-{2-[(1RS,2RS)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]-N-methylacetamido}propanoic acid

rac-3-[benzyl(methyl)amino]-2-{2-[(1R,2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]acetamido}propanoic acid

rac-2-{N-cyclopropyl-2-[(1R,2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]acetamido}acetic acid

rac-2-(1-{2-[(1R,2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]acetyl}azetidin-3-yl)acetic acid