I(2)-Amino-4,5-dimethyl-2-furanpropanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]-5-iodobenzoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[2-(oxan-4-yl)ethyl]carbamoyl}butanoic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(thiophen-2-yl)acetamido]-2,2-dimethylbutanoic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-carbonyl]-3-methylpiperidine-4-carboxylic acid

1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2-methylbutanoyl}-3-methylpiperidine-4-carboxylic acid

2-(4-{3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]propanoyl}thiomorpholin-3-yl)acetic acid

(2S)-3-(tert-butoxy)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]propanoic acid

(2S)-3-(tert-butoxy)-2-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]propanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[(3-methoxy-2,2-dimethyl-3-oxopropyl)carbamoyl]butanoic acid

2-ethyl-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanoyl]-1,3-thiazolidine-4-carboxylic acid