7-methoxy-2-oxo-2H-chromen-4-yl trifluoromethanesulfonate

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

4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]-2-methylbenzoic acid

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

1-(butan-2-yl)-N-cyclopropylpiperidine-4-carboxamide

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

4-({dispiro[2.0.2^{4}.1^{3}]heptan-7-yl}carbamoyl)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

3-[(1,3-dimethylpyrrolidin-3-yl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

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

2-[N-benzyl-3-cyclohexyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]acetic acid

(2R)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoyl]-4,4-difluoropyrrolidine-2-carboxylic acid