6-Bromo-3-methoxy-1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid

2-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-2-yl}formamido)pent-4-enoic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]benzoic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-4-methylpyrrolidine-3-carboxylic acid

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]thiomorpholine-3-carboxylic acid

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

3-{1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylphenyl]-N-methylformamido}propanoic acid

3-ethoxy-4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]butanoic acid

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

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

5-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]-2-methylbenzoic acid