| 摘要 |
<p>S'-ímidomethylene!-S-alkyl-O-alkyldithliophosphoric esters of the formula wherein R1 and R2 independently of one another represent an alkyl group having not more than 4 carbon atoms; Y represents a hydrogen atom or a chloro-, bromo- or iodo-methyl group and X represents a group of the formula A, B or C. (A) (B) (C) their manufacture and their use in pest control.</p> |
