4-bromo-1-oxido-2-pyridin-2-ylpyridin-1-ium

6,6-diphenyldecahydro-6H-6l⁴-[1,3,2]diazaborolo[1,5-a:3,4-a']dipyridine

2-pyridin-2-ylpyridin-4-amine

Boron(1+), (2,2'-bipyridine)diphenyl-, chloride

palladium(2+),2-pyridin-2-ylpyridine,diacetate