This invention relates to novel organophosphorothiolates and phosphorodithioates of the formula: ##STR1## wherein Y is oxygen or sulfur; R is (C.sub.1 -C.sub.4) alkyl; R' is (C.sub.3 -C.sub.6) alkyl; X is halogen, nitro, trifluoromethyl, (C.sub.1 -C.sub.5) alkyl or (C.sub.1 -C.sub.5) alkoxy; X' is halogen, trifluoromethyl, (C.sub.1 -C.sub.5) alkyl or (C.sub.1 -C.sub.5) alkoxy; M and m' are the same or different and are integers from 0 to 3; To compositions containing them, and to methods of using them to control pests.
本发明涉及新型有机
磷硫酸酯和
磷二硫酸酯的式子为:##STR1## 其中Y为氧或
硫;R为(C.sub.1 -C.sub.4)烷基;R'为(C.sub.3 -C.sub.6)烷基;X为卤素,硝基,三
氟甲基,(C.sub.1 -C.sub.5)烷基或(C.sub.1 -C.sub.5)烷氧基;X'为卤素,三
氟甲基,(C.sub.1 -C.sub.5)烷基或(C.sub.1 -C.sub.5)烷氧基;M和m'相同或不同,是从0到3的整数;以及包含它们的组合物和使用它们控制害虫的方法。