4-(N-boc-amino)phenylboronic acid pinacol ester
2-Chloro-3-cyanopyridine-4-boronicacidpinacolester
2-(1,1-Diethoxyethyl)pyridine-3-boronicacidpinacolester
3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester