5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile741709-63-731 % similar 2-Chloropyrimidine-5-boronic acid pinacol ester1003845-08-631 % similar Phenylboronic acid pinacol ester24388-23-630 % similar 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene-1-sulfonamide214360-51-730 % similar