2764-72-9 1,1'-Ethylene-2,2'-bipyridyldylium ion 1,1'-Ethylene-2,2'-bipyridylium ion 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazine-5,8-di-ium 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediium 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediylium 9,10-Dihydro-8a,10a-diazoniaphenanthrene 9,10-Dihydro-8a,10a-diazoniaphenanthrene ion Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro- Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro- (8CI)(9CI) Diquat [ANSI:BSI:ISO] Diquat dication EINECS 220-433-0 1,1'-ethylene-2,2'-bipyridyldiylium ZINC00043472