2-Chloro-N-[1-[4-(1,1-dioxo-1,2-thiazolidin-2-yl)phenyl]ethyl]propanamide

3-(1-{3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]propanoyl}pyrrolidin-2-yl)propanoic acid

rac-(1R,3S)-3-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclohexane-1-carboxylic acid

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

(2S)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-difluorobutanoyl]pyrrolidine-2-carboxylic acid

5-(N-ethyl-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}acetamido)pentanoic acid

(2S)-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}butanoic acid

2-(2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}acetamido)acetic acid

1-({[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-3-yl]formamido}methyl)cyclopropane-1-carboxylic acid

5-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-5-yl]formamido}-3-methylpentanoic acid

1-benzyl-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-3-amido]pyrrolidine-3-carboxylic acid