3-Hydroxypyridine-2-boronicacid
5-[(Acetylamino)methyl]pyridine-3-boronicacid
5-([tert-Butyl(dimethyl)silyl]oxy)pyridine-3-boronicacid
(2-(Trifluoromethyl)pyrimidin-5-yl)boronicacid