4-Chloropyridine-3-boronicacid
6-(4-Methyl-1H-pyrazol-1-yl)pyridine-2-boronicacid
4-[(tert-Butoxycarbonyl)amino]-6-methylpyridine-3-boronicacid
5-Trifluoromethylpyridine-3-boronicacid