| 摘要 |
New 3-amino-phenylacetic acid compounds of the formula: <IMAGE> (I) wherein X is hydrocarbyloxy or hydrocarbylthio optionally substituted by halogen, alkoxy, aryloxy, alkylmercapto or arylmercapto, or X is mono- or disubstituted amino, or represent a 5- to 8-membered heterocyclic ring; Y is oxygen or sulfur; Z is optionally substituted hydrocarbyl or hydrocarbyloxy or -thio, or Z can represent mono- or disubstituted amino, or a closed heterocyclic ring; POSSESS OUTSTANDING HERBICIDAL ACTIVITY, BOTH PRE-EMERGENCE AND POST-EMERGENCE.
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