3,5-difluorophenylboronic acid MIDA ester

4-(Chloromethyl)-1-methyl-1H-pyrazole hydrochloride

4-Amino-1-methylpyrazole

4-Boc-piperazine-2-carboxylic acid

4-Boc-哌嗪-2-羧酸

4-Bromo-2-methylthiobenzamide

4-溴-2-甲基硫代苯甲酰胺

4-Bromomethylpiperidine-1-carboxylic acid tert-butyl ester

4-Chloro-8-methoxy-2-methylquinoline

4-氯-8-甲氧基-2-甲基喹啉

4-Ethynylphenylboronic acid pinacol ester

4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester)

4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine

5-(1,3-Benzodioxol-5-yl)-2,4-pentadienoic acid

5-（1,3-苯并二恶唑-5-基）-2,4-戊二烯酸