1',1'-Dimethyl-4,4'-dipyridinium di(methyl sulfate) 1,1'-Dimethyl-4,4'-bipyridinium bis(methyl sulfate) 1,1'-Dimethyl-4,4'-bipyridynium dimethylsulfate 2074-50-2 4,4'-Bipyridinium, 1,1'-dimethyl-, bis(methyl sulfate) Caswell No. 635 EINECS 218-196-3 EPA Pesticide Chemical Code 061602 Gramoxone methyl sulfate PP 910 Paraquat Paraquat I Paraquat bis(methyl sulfate) Paraquat bis(methylsulfate) Paraquat dimethyl sulfate Paraquat dimethyl sulphate Paraquat dimethylsulfate Paraquat methosulfate Paraquat methylsulfate Paraquat-dimethylsulfate