| abstract |
Compounds of formula (I), and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation, wherein Q, A, and R1-R5 are as defined in the disclosure. Also disclosed are compositions containing the compounds of formula (I) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of formula (I). |