1,1'-Dimethyl-4,4'-bipyridinium mixt. with 6-chloro-N,N'-diethyl-1,3,5-triazine-2,4-diamine 39312-80-6 4,4'-Bipyridinium, 1,1'-dimethyl-, mixt. with 6-chloro-N,N'-diethyl-1,3,5-triazine-2,4-diamine