abstract |
ABSTRACT HALOBENZYL ESTERS Compounds of formula: wherein W is halo, X is hydrogen, cyano or ethynyl, Y represents hydrogen, alkyl, alkoxy, alkylthio, alkane sulphonyl, trifluoromethyl, halo, or 3,4-methylenedioxy, n is 1 or 2 and Z is hydrogen or halo, useful as insecticides characterised by a combination of a broad spectrum of activity and extremely rapid knock-down effect against flying insect pests. |