common sources of ion of bromide anion

bromide anion | common sources of ion

trimethylphenylammonium bromide (1 eq) | triethylmethylammonium bromide (1 eq) | triethylhexylammonium bromide (1 eq) | tetrapropylammonium bromide (1 eq) | tetraphenylphosphonium bromide (1 eq) | tetraphenylantimony(V) bromide (1 eq) | tetrapentylammonium bromide (1 eq) | tetraoctylphosphonium bromide (1 eq)