| 摘要 |
1,5-Disubstituted 1,2,4-triazole-3-carbamides represented by the general formula (I):
<CHEM>
wherein R<1> is alkyl of one to three carbon atoms, chloro, fluoro, iodo, trifluoromethyl or nitro, R<2> is hydrogen, methyl or chloro, R<3> is hydrogen or methyl but excluding 1-(4-methylphenyl)-5-phenyl-1,2,4-triazole-3-carbamide, and their acid addition salts, are provided. These compounds are useful as herbicides.
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