4-Chloro-5-dimethylsulphamyl-3-nitro-benzoic acid

2-(1-{[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]methyl}cyclobutyl)acetic acid

1-[(2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]sulfanyl}acetamido)methyl]spiro[2.3]hexane-1-carboxylic acid

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]-2-hydroxy-2-methylpropanoic acid

3-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-N-(propan-2-yl)butanamido}propanoic acid

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

2-(1-Isocyanatoethyl)pyrazolo[1,5-a]pyrimidine

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

2-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]methyl}butanoic acid

3-{3-[benzyl(methyl)amino]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido}-3-cyclopropyl-2,2-difluoropropanoic acid

2-[(2R)-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexanecarbonyl]pyrrolidin-2-yl]acetic acid