| 摘要 |
Fungicidally active novel thienylurea derivatives of the formula <IMAGE> in which X represents oxygen or sulphur, R represents cyano, hydroxycarbonyl or alkoxycarbonyl, R1 represents hydrogen or alkyl, R2 represents hydrogen or alkyl, R3 represents hydrogen, alkyl or optionally substituted aryl, R4 represents hydrogen, alkyl or optionally substituted aryl, R5 represents hydrogen, alkyl or optionally substituted aryl, or R4 and R5 together represent the radical -(CH2)n-, and n represents the numbers 3, 4, 5 or 6, or acid addition salts thereof.
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