2-Ethoxycarbonyl-5-ethylphenylboronic acid pinacol ester
4-Carbamoylpyridine-3-boronicacidpinacolester
6-Trifluoromethoxypyridine-3-boronicacidpinacolester
2-(Cyclohexyloxy)pyridine-3-boronicacidpinacolester