6-(4-Ethyl-piperazin-1-yl)pyridine-3-boronicacidpinacolester
6-(Ethoxycarbonyl)pyridine-2-boronicacidpinacolester
2-Fluoro-3-methylpyridine-5-boronic acid, pinacol ester
2-(4-(Tert-butoxycarbonyl)piperazin-1-yl)pyridine-3-boronic acid pinacol ester