3-(2-Methylthiophen-3-yl)benzoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(6-hydroxy-1,4-oxazepan-4-yl)-4-oxobutanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{2-[(methylsulfanyl)methyl]pyrrolidin-1-yl}-4-oxobutanoic acid

(3R)-3-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}-4-methylpentanoic acid

(3R)-3-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl}formamido)-4-methylpentanoic acid

(3R)-3-{[(1RS,5SR)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}-4-methylpentanoic acid

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

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(2-hydroxyethyl)-5,5-dimethylhexanamido]acetic acid

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

1-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxan-3-yl]-N-methylacetamido}cyclopropane-1-carboxylic acid

rac-2-{1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl]-N-methylformamido}butanoic acid