4-Bromo-3-chloro-6-methoxyquinoline

4-Bromo-7,8-dichloroquinoline

4-Chloro-1H-pyrrolo[2,3-b]pyridin-5-ol

4-Chloro-7-fluoro-2-methylquinoline

4-Ethyl-6-(1-piperazinyl)pyrimidine dihydrochloride hydrate

4-Fluoro-2-methylphenylboronic acid, pinacol ester

4-Iodo-3-methylpyrazole

4-Methoxy-1,2,5-oxadiazol-3-amine

4-Methoxy-3-((4-nitrophenoxy)methyl)benzaldehyde

4-Methyl-5-phenyl-3-isoxazolamine

4-p-Tolylthiophene-2-carboxylic acid

4-tert-Butyl-N′-hydroxybenzenecarboximidamide

4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carbohydrazide

5-[(3-Methylphenoxy)methyl]-2-furoic acid

5-(3,4-Dichlorophenyl)-2-furoyl chloride