2,5-Dibromopyridine-3-boronic acid pinacol ester
6-(4-Morpholinylmethyl)pyridine-3-boronicacidpinacolester
5-tert-Butyloxycarbonylamino-2-chloropyridine-3-boronicacidpinacolester
3-Chlorophenylboronic acid, pinacol ester