Sigma-Aldrich
4-(4-Bromophenyl)-2-(4-chlorophenyl)thiazole-5-carboxylic acid
4-(4-Chlorophenyl)-6-(trifluoromethyl)pyrimidin-2-amine
4-(4-Fuorophenyl)-2-phenylthiazole-5-carboxylic acid
4-(5-Bromo-2,3-dihydro-indol-1-yl)-piperidine-1-carboxylic acid tert-butyl ester
4-(Bromomethyl)-3-(4-fluorophenyl)-5-methylisoxazole
4-Amino-3-methoxyphenylboronic acid, pinacol ester
4-Amino-7-chloro-2-methylquinoline
4-Amino-8-fluoroquinoline
4-Bromo-1-(4-fluorophenyl)-3-methyl-1H-pyrazol-5-amine
4-Bromo-3-(4-chlorophenyl)-1H-pyrazol-5-amine
4-Bromo-7-methoxy-2-methylquinoline
4-Bromo-N-(4-nitrobenzyl)aniline
4-Chloro-7-(phenylsulfonyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7H-pyrrolo[2,3-d]pyrimidine
4-Ethyl-5-p-tolyl-4H-1,2,4-triazole-3-thiol
4-Fluoro-2-methylbenzenethiol