| abstract |
Novel compounds of formula (I) or their N-oxides, salts and optical isomers:n n n Wherein R 1 , R 2 , R 3 , R 4 , m, R 5 , R 6 , n and Y are as defined in claim 1. The invention also relates to a process for the preparation of the compound of formula (I), to a herbicide composition comprising the compound of formula (I) and to the use of the compound of formula (I) to kill plants or to inhibit plant growth. will be. |