ORGANOPHOSPHORUS COMPOUNDS HAVING PESTICIDAL ACTIVITY

摘要

Compounds of the formula: …… wherein R<1> and R<2> each represent C1-C5 alkoxy or C1-C5 alkylthio, R<3>, R<4>, R<5> and R<6> each represent hydrogen or C1-C5 alkyl, R<7>, R<8> and R<9> each represent hydrogen, C1-C5 alkyl or halogen, and X represents oxygen or sulfur, are new and have pesticidal activity.