3-(3-Methyl-2-oxo-2,3-dihydrooxazol-5-yl)propanoic acid

2-[(2S)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazole-5-carbonyl]pyrrolidin-2-yl]acetic acid

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

2-[(2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enoyl]pyrrolidin-2-yl]acetic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]-3-hydroxy-3-methylbutanoic acid

5-(1-ethyl-1H-1,2,4-triazol-5-yl)-1,2,3,6-tetrahydropyridin-3-amine

5-[(1-methyl-1H-imidazol-2-yl)methyl]-1,2,3,6-tetrahydropyridin-3-amine

3-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]ethoxy}propanoic acid

2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(2-methoxyethyl)heptanamido]acetic acid

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanoyl]-1,3-thiazolidine-4-carboxylic acid

1-{[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]methyl}cyclobutane-1-carboxylic acid