The present invention concerns novel pyrimidinyl phosphoric and thiophosphoric esters. ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are substituents, e.g. alkyl, R.sub.4 is an amino or heterocyclic function and Z and Y are bridging functions, e.g. oxygen. The compounds are useful insecticides.
本发明涉及新型
嘧啶基
磷酸酯和
硫代磷酸酯。其中R1、R2和R3是取代基,例如烷基,R4是
氨基或杂环功能,Z和Y是桥接功能,例如氧。这些化合物是有用的
杀虫剂。