14163-03-2

4-Bromo-2,2'-bipyridyl 1-oxide 4-bromo-2,2'-bipyridine-1-oxide 4-bromo-2,2’-bipyridine N-oxide 2,2'-Bipyridine, 4-bromo-, 1-oxide 4-bromo-1-oxido-2-pyridin-2-ylpyridin-1-ium