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4-(Boc-aminomethyl)pyridine

4-(Boc-piperazin-1-yl)-3-nitrobenzoic acid

4-(Bromoacetyl) thiomorpholine

4-(Bromoacetyl)-N,N-diethylbenzenesulfonamide

4-(Bromoacetyl)-N,N-dimethylbenzenesulfonamide

4-(Bromodifluoromethyl)-1-(difluoromethyl)benzene

4-(Bromo-methoxycarbonyl-methyl)-piperidine-1-carboxylic acid tert-butyl ester

4-(Bromomethyl)-1-chloro-2-methoxybenzene

4-(Bromomethyl)-1-fluoro-2-iodobenzene

4-(Bromomethyl)-2,6-dichloropyridine