Imperial Chemical Industries Limited

David P Pearson

David Cartwright

John E Barton

Susan Patricia Barnett

Gilbert J Stacey

Alan F Hawkins

Christopher J Mathews

A herbicidal compound of formula (I): ##STR1## in which the dotted line indicates the presence of two double bonds arranged so as to form a fused hetero-aromatic ring system;

Herbicidal pyrazolyloxy and pyrazolylamino-benzotriazoles

A compound of formula (I): ##STR1## in which the dotted lines indicate the presence of two double bonds arranged so as to form a fused hetero-aromatic ring system;

Certain herbicidal 1,2,4-triazolo[4,5-b]pyridines

This invention relates to a method of inducing tillering in cereal plants using certain 5-phenyl-3-pyridinecarboxylate compounds, to certain of the compounds themselves, to a process for preparing these compounds, and to agricultural compositions containing them. The compounds are also useful as intermediates for preparing other of the compounds.

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Maidenhead, United Kingdom

David P Pearson