| 摘要 |
<p>Compounds of the formula <IMAGE> in which A represents a (substituted) aliphatic, cycloaliphatic or phenyl radical, R1 represents H or alkyl, R2 represents H, alkyl or (substituted) phenyl, X represents O or S, R3 represents H, halogen, NO2, CN, (di)alkylamino, (substituted) alkyl, (substituted) alkoxy, (substituted) alkylthio or alkoxycarbonyl, B represents a simple chemical bond or a (substituted) methylene or ethylene group, R4 represents a carbonyl group or a functional group derived therefrom, Z represents nitrogen or a methine group, and m represents 0 or 1, are effective herbicides and growth regulators.</p> |
