| 摘要 |
Substituted aryloxyphenoxy acylisothioureas useful as herbicides having the formula <IMAGE> wherein R is CF3 or halogen; X is hydrogen or halogen; A is CH or nitrogen; R1 is hydrogen, lower alkyl, alkenyl, alkynyl, phenyl, cyanoalkyl, alkoxyalkyl, or alkoxycarbonylalkyl; R2 is hydrogen, lower alkyl, phenyl, or substituted phenyl; and R3 is acyl or halogen substituted acyl selected from the group consisting of propionyl, dichloro bromoacetyl, propionaminocarbonyl and phenylaminocarbonyl.
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