Ethyl (4-acetyl-3-hydroxypyridin-2-YL)acetate

3-[2-(ethyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-2-methylpropanoic acid

3-(1,2,3,4-Tetrahydronaphthalen-1-yl)prop-2-enoic acid

3-{1-[2-(dimethylamino)ethyl]-1H-1,2,3-triazol-4-yl}-3-hydroxycyclobutane-1-carboxylic acid

3-hydroxy-3-{1-[2-(2-hydroxyethoxy)ethyl]-1H-1,2,3-triazol-4-yl}cyclobutane-1-carboxylic acid

3-hydroxy-3-{1-[(2R)-2-hydroxy-3-methoxypropyl]-1H-1,2,3-triazol-4-yl}cyclobutane-1-carboxylic acid

3-(3-Hydroxyoxolan-3-yl)oxane-3-carboxylic acid

2-[2-(ethyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-3-hydroxy-2-methylpropanoic acid

2-[(2S)-3-(benzyl carboxy)-N-(butan-2-yl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]acetic acid

1-[(2S)-4-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoyl]-2-methylpyrrolidine-3-carboxylic acid

(2S)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]-5-methoxy-5-oxopentanoic acid