6-Bromo-3,4-dihydro-1,5-naphthyridin-2(1H)-one

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-4,4-difluorobutanoic acid

rac-(3R,4R)-4-ethyl-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-fluoropyrrolidine-3-carboxylic acid

2-{4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]morpholin-3-yl}acetic acid

2-cyclobutyl-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]propanoic acid

rac-2-[(3R,4R)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-enoyl]-4-methylpyrrolidin-3-yl]acetic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-3-amido]cyclobutane-1-carboxylic acid

(4R)-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-4-carbonyl]-1,3-thiazolidine-4-carboxylic acid

rac-4-{[(1R,3S)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl]formamido}-2-methoxybutanoic acid

1-(3-Methylpyrazin-2-yl)ethane-1,2-diol

2-[N-(butan-2-yl)-1-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl}formamido]acetic acid