4-Methyl-3,4-dihydro-2H-pyrido[3,2-B][1,4]oxazine-7-boronicacidpinacolester
4-(Cyanomethyl)benzeneboronic acid pinacol ester
6-(1,3-Dioxolan-2-yl)pyridine-3-boronicacidpinacolester
6-(Ethoxycarbonyl)pyridine-2-boronicacidpinacolester