| 摘要 |
<p>An organophosphorus compound, useful in controlling pests, having the formula <CHEM> wherein R is C1-C3 alkyl or phenyl, R<1> is hydrogen or R and R<1> together form a 1,3-butadien-1,4-diyl group optionally substituted with a methyl or chloro group, or R and R<1> together form a 1,2-ethenediylthio group wherein sulfur is attached to carbon; R<2> is hydrogen or halogen; X is oxygen or sulfur; R<3> is C1-C3 alkyl; and R<4> is C1-C3 alkoxy or propythio and their hydrochlorides, with the proviso that if R is phenyl, R<3> is methyl and R<4> is methoxy is disclosed. Compositions containing the active compound and methods of controlling pests, are also disclosed.</p> |
