| 摘要 |
Novel pyridylsolfonylureas (Cyclopropyl-triazinyl- and cyclopropyl-pyrimidinyl-)pyridylsulfonylureas of formula I (I), wherein R and R1 are each independently of the other hydrogen or methyl; R2 is methyl, methoxy or ethoxy; and E is nitrogen or the methine group; and the salts of those compounds, have good selective herbicidal properties. The preparation of those compounds and the use thereof as herbicidal active ingredients are described.
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