1-Propyl-1H-pyrazole-5-boronic acid pinacol ester
2-Dimethylamino-pyrimidine-5-boronic acid pinacol ester
6-(Piperidin-1-yl)pyridine-2-boronicacidpinacolester
(3-Methoxypyridin-5-yl)boronic acid pinacol ester