4-(4-Bromophenoxy)benzohydrazide

4-(4-Bromophenyl)-2-phenylthiazole-5-carboxylic acid

4-(4-Chlorophenyl)isoxazol-5-amine

4-(4-tert-Butylphenyl)-2-mercapto-6-oxo-1,6-dihydropyrimidine-5-carbonitrile

4-(Acetoxymethyl) thiobenzamide

4-(Methylsulfonyl)butanoic acid

4-Amino-6-methoxy-2-methylquinoline

4-Amino-7-chloroquinoline

4-Benzo[1,3]dioxol-5-ylmethyl-piperidine hydrochloride

4-Bromo-1-ethyl-1H-pyrrole-2-carbonitrile

4-Bromo-3-chloroquinoline

4-Bromo-8-chloroquinoline

4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid

4-Chloro-7-fluoroquinoline

4-Fluoro-1-methyl-1H-indazol-3-ylamine