| abstract |
Compounds of formula 1, N-oxides of these compounds and salts of these compounds and N-oxides are disclosed: wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , Q 1 , Q 2 , J, Y 1 and Y 2 are as defined in this disclosure. Compositions comprising these compounds, N-oxides and salts are also disclosed, as well as methods for controlling undesired vegetation comprising mixing the undesired vegetation or its environment with an effective amount of such compounds, N-oxides , salt or composition contact. |