2,5,8,11,14,17,20-heptaoxa-25-azabicyclo[19.3.1]pentacosa-1(25),21,23-triene

4-bromo-2-pyridin-3-ylpyridine

lithium,6-bromo-2H-pyridin-2-ide

2,6-di(imidazol-1-yl)pyridine

methyl 4-(6-bromopyridin-2-yl)benzoate