| abstract |
The present invention relates to (a) one or more compounds of formula (I), wherein Q 1 , Q 2 , R 1 , R 2 , R 3 and R 4 are defined by the description, a salt of a compound of formula (I) And (b) a selective herbicide characterized by the active content of a combination of active ingredients comprising at least one compound that improves the compatibility of cultivated plants, as listed in the description. The present invention relates to the use of said drugs in the fight against undesired plant growth and to a process for producing the drugs of the present invention. |