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US4065508A Polyphenoxy alkanes 失效
聚苯氧基烷烃

Polyphenoxy alkanes
摘要:
Compounds of the formula ##STR1## wherein N REPRESENTS THE NUMBER 0, 1 OR 2,R.sub.1 represents hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -alkoxy, C.sub.3 -C.sub.4 -alkenyloxy, C.sub.3 -C.sub.5 -alkynyloxy, halogen, C.sub.1 -C.sub.3 -alkylcarbonyl, formyl, C.sub.1 -C.sub.5 -alkoxy-carbonyl or C.sub.1 -C.sub.2 -alkylthio,R.sub.2 represents hydrogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.2 -alkoxy or chlorine, orR.sub.1 and R.sub.2 together represent the 3,4-methylenedioxy group,R.sub.3 represents hydrogen, methyl, ethyl or phenyl,R.sub.4 represents hydrogen or methyl, a method for their preparation, pest control agents containing them and a method of combatting pests which comprises applying to the said pests a compound of the formula are described.
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