Ethyl 3-amino-6-methoxyimidazo[1,2-A]pyridine-2-carboxylate

rac-(1R,2S)-2-({2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]acetamido}methyl)cyclopropane-1-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]-3,3-dimethylpyrrolidine-2-carboxylic acid

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

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

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

2-{3-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclobutyl}acetic acid

1-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-3-hydroxyazetidine-3-carboxylic acid

5-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]pyridine-2-carboxylic acid

(2S)-3-(dimethylamino)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-5-yl]formamido}propanoic acid

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