O-(O-ETHYL-S-ALKYLPHOSPHORYL)-O-(CARBAMOYL) BLENZCATECHINE DERIVATIVE, INSECTICIDE AND INSECTICIDAL METHOD

摘要

O-(O-ethyl-S-alkylphosphoryl)-O-(carbamoyl)-pyrocatechol derivatives of the formula I IMAGE (I) where R1 is C1-C4-alkyl, R2 is hydrogen, C1-C4-alkyl, and X is oxygen or sulfur, and methods of combating pests with effective amounts of I.