4-(acetylamino-methyl)-benzenesulfonyl chloride

4-(Benzyloxy)benzene-1-sulfonyl chloride

4-(chloro-difluoro-methoxy)-phenylamine

4-(Fmoc-amino)-1-[(3,5-difluorophenyl)methyl]-4-piperidinecarboxylic acid

4-(Piperazine-1-carbonyl)-benzoic acid

4-(pyrrolidin-1-ylcarbonyl)aniline

[4-(trifluoromethyl)cyclohexyl]methanamine

4-amino-1-(1-propyl)-piperidine

4-Amino-2-piperidinone trifluoroacetate

4-Amino-N-phenylbenzenesulfonamide

4-Aminopyridine-2-carboxylic acid

4-Boc-6,6-dimethyl-morpholine-3-carboxylic acid

4-Bromo-1,3-benzothiazol-2-amine

4-Bromo-2,5-dimethylaniline

4-Bromo-6-chloro-2-(trifluoromethyl)quinoline