2 6-dibromo-pyridine July 8, 2019 16 32 64 128 2 6-dibromo-4-(tert-butyl)pyridine 3 6 dibromo-2-methyl pyridine 2 6-dibenzyloxy-3-bromo-pyridine 2 6-bis(bromomethyl)pyridine 2 5-dibromopyridine