4-(1-Hydroxy-2-methylpropan-2-yl)-3-methoxybenzoic acid

rac-3-cyclopropyl-2-{[(1R,5S)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohex-3-en-1-yl]formamido}propanoic acid

(1RS&,2SR&)-2-({2-[(1RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}methyl)cyclopropane-1-carboxylic acid

rac-(1R,2S)-2-({[1-benzyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)piperidin-4-yl]formamido}methyl)cyclopropane-1-carboxylic acid

rac-(1R,3R)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclohexane-1-carboxylic acid

rac-4-{1-[(3R,5R)-5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]oxolan-3-yl]-N-methylformamido}butanoic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]-2-(propan-2-yl)butanoic acid

(2S)-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-2-methylpyrrolidine-2-carboxylic acid

(2S)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methoxypropanoyl]-2-methylpyrrolidine-2-carboxylic acid

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

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