1,1-bis<N-benzoyl-N-(p-methylphenyl)amino>ethene, 1,1’-bis[2-(3,5-dimethylmorpholin-4-yl)-2-oxoethyl]-[4,4’-bipyridine]-1,1’-diium dichloride, 1,1’-bis(3,5-dimethylmorpholinocarbonylmethyl)-4,4’-bipyridyldiylium dichloride, Benzamide,N,N'-ethenylidenebis[N-(4-methylphenyl), 1,1'-Bis-<(3,5-dimethylmorpholino)-carbamoylmethyl>-bipyridyl-(4,4')-diium-dichlorid, 1,1’-bis(3,5-dimethylmorpholinocarbonylmethyl)-4,4’-bipyridinium dichloride, 1,1’-bis[2-(3,5-dimethyl-4-morpholinyl)-2-oxoethyl]-4,4’-bipyridinium dichloride, 1,1'-Bis[2-(3,5-dimethyl-4-morpholinyl)-2-oxoethyl]-4,4'-bipyridi nium dichloride