| 摘要 |
New Insecticides comprising 1,1-bis(4-substituted phenyl)-2-nitropropanes,-2-nitrobutanes and -2-methyl-2-nitropropanes wherein the 4-substituents of the phenyl radicals are non-identical lower alkoxy groups, or identical or non-identical alkylthio groups, and such compounds wherein one of the 4-substituents is replaced by a 3,4-methylene-dioxy group. |
