abstract |
The invention relates to 2-cyano-1,3-dione derivatives of the formula:n wherein R, R 1 , R 2 , R 3 , R 4 and R 5 are as defined in the description, provided that at least one of the groups R 2 to R 5 represents -N(R 12 )SO 2 R 8 ; wherein R 8 and R 12 are as defined in the description, and to their use as herbicides. |