| 摘要 |
A herbicidal compound of the formula <IMAGE> where X is F, Cl or Br, Y is Cl, Br, CHF2O or CF3, R is alkyl of 1 to 6 carbon atoms or lower halo alkyl and R' is H or lower alkyl. Related compounds, including those which have -SR or -NR2R in place of -OR are also disclosed.
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