1,1'-Bis(phenylmethyl)-4,4'-bipyridinium dichloride 1,1'-Dibenzyl-4,4'-bipyridinium dichloride 1102-19-8 4,4'-BIPYRIDINIUM, 1,1'-DIBENZYL-, DICHLORIDE 4,4'-Bipyridinium, 1,1'-bis(phenylmethyl)-, dichloride (9CI) Benzyl Viologen Benzylviologen chloride EINECS 214-158-5 N,N'-Dibenzyl-gamma,gamma'-dipyridylium dichloride NSC 409418