Shell Internationale Research Maatschappij, B.v.

David C Jennens

Terence Gilkerson

Robert W Shaw

Mandy E Coombs

The invention provides compounds of the general formula ##STR1## wherein R represents a hydrogen atom, or an optionally substituted alkyl or acyl group, or an alkenyl or alkynyl group or an inorganic or organic cation;

Oximino ether compounds

The invention provides benzothiazinone derivatives of formula ##STR1## wherein R.sub.1 represents a nitrogen-containing heteroaromatic group or a phenyl group substituted by 1 or 2 substituents selected from halogen atoms, alkyl, haloalkyl and alkoxy groups; a process for the preparation of such compounds; compositions containing them and a method of combating plant pathogenic fungi using such compositions or compounds.

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Sittingbourne, United Kingdom

David C Jennens