Similar names: 6,7-Dihydrodipyrido[1,2-a:2',1'-c]pyrazidiinium dibromide (6CI); 6,7-Dihydrodipyrido[1,2-a:2',1'-c]pyrazinediium dibromide (7CI); Dipyrido[1,2-a:2',1'-c]pyrazinediium, 6,7-dihydro-, dibromide (8CI,9CI); 1,1'-Dimethyl-4,4'-bipyridilium dibromide; 1,1'-Ethylene-2,2'-bipyridinium dibromide; 1,1'-Ethylene-2,2'-bipyridylium dibromide; 6,7-Dihydrodipyrido[1,2-a:2',1'-c]pyrazinium dibromide; 9,10-Dihydro-8a,10a-diazoniaphenanthrene dibromide; Diquat; Diquat dibromide; Eliminator; Eliminator (herbicide); N,N'-Ethylene-2,2'-bipyridinium dibromide; Ortho-Diquat; PP 100; PP 100 (herbicide); Reglon; Reglone; Reglone Turbo; Reglox; Reward; Weedtrine D