4-(2-Boc-aminoethyl) piperidine

4-(2-Oxiranylmethyl)morpholine

4-(2,4,6-trichlorophenyl)-3-thiosemicarbazide

4-(3-nitrophenyl)-3-thiosemicarbazide

[4-(4-Bromo-1H-pyrazol-1-yl)-3-fluorophenyl]amine

[4-(4-methoxy-3-methylphenyl)-1,3-thiazol-2-yl]methanamine

4-(4-Pyridinylsulfanyl)pyridine

4-(5-Formyl-2-furyl)-2-hydroxybenzoic acid

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