2-Ethyl-5-(thiophen-2-YL)-1,3,4-oxadiazole

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

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

2-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-oxazol-4-yl}formamido)hex-5-enoic acid

3-Amino-1-(3-hydroxy-2,2-dimethylpropyl)-1,4-dihydropyridin-4-one

2-{1-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.2.0]heptan-3-yl]-N-(prop-2-en-1-yl)formamido}acetic acid

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

5-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]-4-methylpentanoic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxy-N-methylbutanamido]cyclobutane-1-carboxylic acid

rac-(1R,6S)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxybutanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

rac-2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid