| 摘要 |
Tetrahydrophthalamide derivatives of the general formula: <IMAGE> wherein X1 is hydrogen or halogen; X2 is halogen, alkoxy or substituted benzyloxy; X3 is hydrogen, alkoxy or alkenyloxy; R and R' are the same or different alkyl, cycloalkyl, alkenyl or phenyl, each of which may be optionally substituted, or may jointly, together with nitrogen atom adjacent to R and R', form aliphatic heterocyclic ring containing one or two nitrogens or nitrogen and oxygen, which have a herbicidal activity against a broad spectrum of monocotyledonous and dicotyledonous weeds.
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