| abstract |
This invention relates to N-substituted-N'-(optionally substituted)-N,N'-diacylhydrazines which are useful as insecticides, compositions containing those compounds and methods of their use. n The compounds of this invention may be represented by the formulan n wherein n R¹ is cyano or H, n R is straight chain or branched alkyl, n B is aryl or substituted aryl, n R a is H or a variety of substituents, and n Z forms a fused 5-membered heterocyclic ring. |