2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)-N-[4-oxo-3-(propan-2-yl)-3,4-dihydroquinazolin-6-yl]acetamide

3-({2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]-5-methyl-1,3-thiazol-4-yl}formamido)-2-hydroxypropanoic acid

2-{4-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropaneamido]oxan-3-yl}acetic acid

6-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-6-azaspiro[3.4]octane-8-carboxylic acid

6-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-6-azaspiro[3.4]octane-8-carboxylic acid

6-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-ynoyl]-6-azaspiro[3.4]octane-8-carboxylic acid

6-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-enoyl]-6-azaspiro[3.4]octane-8-carboxylic acid

6-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanoyl]-6-azaspiro[3.4]octane-8-carboxylic acid

rac-(1R,5R,6S)-6-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynamido]bicyclo[3.2.0]heptane-3-carboxylic acid

4-{[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.2.0]heptan-3-yl]formamido}but-2-ynoic acid

2-(3-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]methyl}cyclopentyl)acetic acid