2-(2,2,2-Trifluoroethoxy)pyridine-3-boronicacid
5-(Ethoxycarbonyl)pyridine-3-boronicacid
5-Methyl-6-morpholinopyridine-3-boronicacid
2-(4-Acetylpiperazin-1-yl)pyridine-5-boronicacid