2-Amino-6-(difluoromethyl)-5-hydroxynicotinonitrile

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

2-(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclohexyl]formamido}ethoxy)acetic acid

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]formamido}-2-methylbutanoic acid

5-({3-[benzyl(methyl)amino]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido}methyl)oxolane-2-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]-5-iodobenzoic acid

1-(Bromomethyl)-4-methoxy-2-propylbenzene

(2S)-2-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}-4-(methylsulfanyl)butanoic acid

rac-1-{2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetyl}-3-methylpyrrolidine-2-carboxylic acid

rac-3-cyclopropyl-2-{2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}propanoic acid

rac-1-{2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetyl}-3-methylazetidine-3-carboxylic acid