1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 4-benzenesulfonamidobenzoate

3-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]-N-methylformamido}-2-methylpropanoic acid

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

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

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-enoyl]-2-azabicyclo[2.2.2]octane-1-carboxylic acid

(3R)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carbonyl]piperidine-3-carboxylic acid

(1RS,2RS,4SR)-7-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

(2R)-2-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-3-hydroxypropanoic acid

3-ethyl-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]pyrrolidine-3-carboxylic acid

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

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]cyclopentane-1-carboxylic acid