Compounds of the formula: ##STR1## wherein R.sup.1 is lower alkyl of 1 to 6 carbon atoms; alkyl-thioalkylene of 2 to 5 carbon atoms; aryl of 6 to 10 carbon atoms; aralkyl of 7 to 12 carbon atoms; arylthioalkyl of 7 to 11 carbon atoms; or substituted aryl, substituted aralkyl or substituted arylthioalkyl each substituted with 1 to 3 substituents independently selected from halo, nitro, lower alkoxy of 1 to 4 carbon atoms, or lower alkyl of 1 to 4 carbon atoms; R.sup.2 is lower alkyl of 1 to 6 carbon atoms, lower cycloalkyl of 3 to 8 carbon atoms, phenyl or benzyl; and R.sup.3 and R.sup.4 are independently hydrogen, lower alkyl of 1 to 6 carbon atoms or phenyl, are pesticidal.
化合物的公式:##STR1## 其中R.sup.1是1到6个碳原子的低级烷基;2到5个碳原子的烷基
硫代烷基;6到10个碳原子的芳基;7到12个碳原子的芳基烷基;7到11个碳原子的芳基
硫代烷基;或取代芳基,取代芳基烷基或取代芳基
硫代烷基,每个都独立地取代1到3个取代基,所选取代基为卤素,硝基,1到4个碳原子的低级烷氧基或1到4个碳原子的低级烷基;R.sup.2是1到6个碳原子的低级烷基,3到8个碳原子的低级环烷基,苯基或苄基;R.sup.3和R.sup.4独立地是氢,1到6个碳原子的低级烷基或苯基,具有杀虫作用。