Milbemycin ether derivatives, their preparation and their therap

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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549264, A61K 31365, C07D32500

Patent

active

053469186

ABSTRACT:
Compounds of formula (I): ##STR1## in which: R.sup.1 is a variety of organic groups; R.sup.5 is methyl, ethyl, isopropyl or sec-butyl; and X is hydroxy, alkanoyloxy or hydroxyimino and salts and esters thereof have valuable anthelmintic, acaricidal and insecticidal activities. Methods of preparing the compounds are also provided.

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