n - (alobenzoil) - n '- 2 - alo - 4 (1,1,2 - trifluoro - 2 (trifluorometossi) etossi) phenyl uree insecticidal activity

摘要

A class of particularly active insecticide compounds: N-(halobenzoyl)-N min -2-halo-4-[1,1,2-trifluoro-2-(trifluoro-methoxy)ethoxy)-ph enyl-ureas, the preparation of such compounds and their use in the fight against the infestations by insects is disclosed.