1,1'-Dimethyl-4,4'-bipyridinium 1,1'-Dimethyl-4,4'-bipyridinium cation 1,1'-Dimethyl-4,4'-bipyridinium salt 1,1'-Dimethyl-4,4'-bipyridyldiylium 1,1'-Dimethyl-4,4'-bipyridyldiylium ion (8CI)(9CI) 116047-10-0 4,4'-Bipyridinium, 1,1'-dimethyl- 4685-14-7 CCRIS 7731 Dextrone Dextrone X Dimethyl viologen EINECS 225-141-7 HSDB 1668 Methyl viologen (2+) Methyl viologen ion(2+) N,N'-Dimethyl-4,4'-bipyridinium N,N'-Dimethyl-4,4'-bipyridinium dication N,N'-Dimethyl-gamma,gamma'-dipyridylium PARAQUAT Paraquat [ANSI:BSI:ISO] Paraquat dication Paraquat ion Spraytop-graze Starfire Weedol