| 摘要 |
<p>Disclosed are 4-trifluoromethylpyrazolyl -substituted pyridines and pyrimidines of formula (I) and the use thereof as herbicides, wherein in said general formula (1) Rl, R2, R3 and R4 represent various radicals, A represents an aromatic or heteroaromatic radical, and Z represents a nitrogen or carbon atom.</p> |
