##STR1## Compounds of formula (I), and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation, wherein J is (J-1), (J-2), (J-3), (J-4), (J-5), (J-6) or (J-7); and J, W, X, Y, Z, A, R.sup.1 -R.sup.8 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).