4-(Boc-amino)-2-chloro-3-pyridinecarbaldehyde

4-Amino-3-bromoquinoline

4-Amino-6,8-difluoro-2-methylquinoline

4-Amino-7,8-dichloroquinoline

4-Benzyloxy-2′-hydroxy-3,4′,6′-trimethoxychalcone

4-Bromo-2,6-dimethylphenyl acetate

4-Bromo-3-methyl-1-p-tolyl-1H-pyrazol-5-amine

4-Bromo-8-methoxy-2-methylquinoline

4-Chloro-3,6-dibromoquinoline

4-Chloro-8-methoxyquinoline

4-Fluoro-2-hydroxybenzohydrazide

4-Iodo-1-methyl-3-trifluoromethyl-1H-pyrazole

4-Iodo-6-methoxypyrimidine

4-Methoxy-3-[(4-nitrobenzyl)oxy]benzaldehyde

4-Methyl-3-(2-oxoimidazolidin-1-yl)benzoic acid