2-Ethoxypyridine-4-boronicacid
5-(tert-Butoxycarbonyl)pyridine-3-boronicacid
5-Fluoro-6-benzoxypyridine-3-boronicacid
5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine-2-carboxylic acid methylamide