发明授权
US4463014A Cyclopropane carboxylates 失效
环丙烷羧酸盐

Cyclopropane carboxylates
摘要:
Esters in their stereoisomeric form or mixtures thereof of the formula ##STR1## wherein R.sub.1 and R are different and individually selected from the group consisting of hydrogen, fluorine and bromine, R.sub.2 is selected from the group consisting of --CN and --C.tbd.CH and R.sub.3 is a hydrocarbyl group having pesticidal properties and their preparations.
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