2-氨基-6-溴吡啶

3-(4,6-dipyridin-3-yl-1,3,5,2,4,6-trioxatriborinan-2-yl)pyridine

2-氨基-5-氯吡啶

吡啶-3-硼酸

3-(三正丁基锡)吡啶