Compounds of the formula ##STR1## wherein R.sup.1 is a hydrogen atom; or a hydrocarbyl group; m is 0 to 5; and n each is 0 to 3; R.sup.2 and R.sup.3 each is a halogen atom or an alkyl or alkoxy group optionally substituted by halogen; Y is a bond or an oxygen or sulfur atom; and D is a hydrogen atom; a cyano group; or an ethynyl group, are useful as pesticides.
式为##
STR1##的化合物,其中R.sup.1是
氢原子;或烃基团;m为0至5;n各自为0至3;R.sup.2和R.sup.3各自是卤素原子或烷基或烷
氧基团,可选择地被卤素取代;Y是键或
氧或
硫原子;D是
氢原子;
氰基;或
乙炔基,可用作
杀虫剂。