2,3-Dichloro-5-fluorobenzenesulfonyl chloride

2-({1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanoyl]-3-methylazetidin-3-yl}oxy)acetic acid

1-[(tert-butoxy)carbonyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(1-methylcyclopropyl)methyl]amino)pyrrolidine-3-carboxylic acid

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

1-[(tert-butoxy)carbonyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(oxan-4-yl)methyl]amino)azepane-4-carboxylic acid

3-{[(tert-butoxy)carbonyl]amino}-1-[(3,3-difluorocyclobutyl)({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]cyclobutane-1-carboxylic acid

1-[(tert-butoxy)carbonyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}({[(1s,3s)-3-(dimethylamino)cyclobutyl]methyl})amino)azepane-4-carboxylic acid

1-[(tert-butoxy)carbonyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(1s,3s)-3-ethoxycyclobutyl]amino)piperidine-3-carboxylic acid

1-[(tert-butoxy)carbonyl]-3-[ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]piperidine-3-carboxylic acid

1-[(tert-butoxy)carbonyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}({[(1s,3s)-3-(dimethylamino)cyclobutyl]methyl})amino)piperidine-3-carboxylic acid

1-[(tert-butoxy)carbonyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(1r,3r)-3-methoxycyclobutyl]amino)-2,2-dimethylpiperidine-4-carboxylic acid