3-Amino-3-(3-bromopyridin-4-yl)cyclobutan-1-ol

4-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}-1-methyl-1H-pyrazole-5-carboxylic acid

3-({4-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1-methyl-1H-pyrazol-5-yl}formamido)-3-methylbutanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[(5-methyl-1,3,4-oxadiazol-2-yl)methyl]carbamoyl}propanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[(5-methyl-1,3,4-oxadiazol-2-yl)methyl]carbamoyl}butanoic acid

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

(2S)-2-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)thian-4-yl]-N-methylacetamido}propanoic acid

3-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)thian-4-yl]acetamido}-2,2-dimethylpropanoic acid

(2S)-2-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)thian-4-yl]acetamido}pentanoic acid

2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}-5-methylhex-4-enoic acid

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