6-(1,3-Dioxolan-2-yl)pyridine-3-boronicacidpinacolester
5-(Methylsulfonyl)pyridine-3-boronic acid pinacol ester
2-tert-Butyloxycarbonylamino-3-nitropyridine-5-boronicacidpinacolester
2-(Cyclohexyloxy)pyridine-3-boronicacidpinacolester