| 摘要 |
Herbicidal naphthalene derivatives of the formula in which Q represents oxygen, sulphur or the group NR, where R represents hydrogen or alkyl, R1 represents hydrogen or alkyl R2, R3 and R4 are identical or different and in each case represent hydrogen or another radical, R5 represents hydrogen or halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino, R6 represents hydrogen or halogen, or represents in each case optionally substituted alkyl or alkoxy, and R7 represents hydrogen or halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino, and Z represents N-R8 or . Le A 27 635
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