HERBICIDES DERIVED FROM 2-AZOLYL NICOTINATE

摘要

Herbicide compounds of formula: in which A is the hydrogen atom or a group R7SO2- R1 is H or a hydrocarbyl group R2 is H, a salt, a group X2R5 (ester) NR3R4 (amide) R7 is an alkyl, aryl, aralkyl or NR8R9 group W is -N= or -CR10= where R1, R10 together form an adjoining aromatic ring Y is an alkyl or alkoxy radical or halogen, dialkylamino n = integer from 1 to 3.