| abstract |
Compounds of formula 1 (including all stereoisomers), their N -oxides and their salts are disclosed: In this formula, Q, Z, R 2 , R 3 and m are as defined in the specification and claims. Also disclosed is a method of controlling unwanted vegetation, comprising contacting a composition comprising a compound of formula (I) and an undesired vegetation or an environment thereof with an effective amount of a compound or composition of the present invention. |