| 摘要 |
Compounds of the formula <IMAGE> wherein R1 is alkyl or alkoxy; R2 is alkenyl having 2 to 10 carbon atoms, substituted alkyl of 1 to 10 carbon atoms or substituted alkenyl of 1 to 10 carbon atoms substituted with 1 or 2 hydroxy groups or 1 or 2 alkoxy groups of 1 to 4 carbon atoms or 1 or 2 alkenyloxy groups of 2 to 4 carbon atoms; acyl, and ketal group of the formula <IMAGE> wherein n=2, 3 or 4, R4 is alkyl and R5 is hydrogen or alkyl, an oxime of the formula <IMAGE> wherein R6 is hydrogen or alkyl; R3 is hydrogen or alkyl; X is halo have herbicidal activity.
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