Novel isomers and mixtures thereof of cyclopropane carboxylic acid derivatives with a 3-unsaturated side chain of Z geometry of the formula ##STR1## wherein A' is ##STR2## wherein R.sub.13 is selected from the group consisting of hydrogen and CN and R is an optionally unsaturated alkyl of 1 to 18 carbon atoms having insecticidal and nematocidal activity as well as plant and animal acaricidal activity and their preparation.
环丙烷羧酸衍
生物的新异构体及其混合物,具有Z几何构型的3-不饱和侧链,其通式如上所示,其中A'为如上所示的结构,其中R13选自氢和
氰基,R为1至18个碳原子的可选不饱和烷基,具有杀虫、杀线虫、植物和动物杀螨活性及其制备方法。