4-Cyanopyridine-3-boronic acid, pinacol ester
6-(4-Boc-1-piperazinyl)pyridine-3-boronic acid pinacol ester
2-Trifluoromethylphenylboronic acid, pinacol ester
5-Chloro-2-ethoxypyridine-3-boronic acid pinacol ester