N1-(5-Bromo-3-nitro-2-pyridinyl)-N1,N3,N3-trimethyl-1,3-propanediamine

rac-4-[(3aR,6aS)-3a,5-dimethyl-octahydropyrrolo[3,4-c]pyrrol-2-yl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

rac-(1R,2S)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]methyl}cyclohexane-1-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoyl]pyrrolidine-3-carboxylic acid

2-(1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]furan-2-amido}cyclobutyl)acetic acid

2-(N-ethyl-1-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazol-4-yl}formamido)-2-methylpropanoic acid

3-[(2-bromo-6-methylphenyl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

4-[(5-cyanopyridin-2-yl)carbamoyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

2-(5-Azido-3-{[2-(tert-butoxy)-2-oxoethoxy]methyl}-2-methylphenyl)acetic acid

Tert-butyl 3-[(fluorosulfonyl)oxy]-4-methyl-5-(piperazin-1-yl)benzoate

2-(5-Azido-3-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-2-methylphenyl)acetic acid