| 摘要 |
Novel 1-methyl-1H-imidazole-5-carboxylic acid derivatives of formula <CHEM> R<1> is hydrogen or mercapto; R<2> is hydrogen, C1-C7alkyl, C3-C7alkenyl, C3-C7alkynyl, C3-C7cycloalkyl, C5-C7cycloalkenyl; said C1-C7alkyl, C3-C7alkenyl, C3-C7alkynyl, C3-C7cycloalkyl, C5-C7cycloalkenyl being optionally substituted; R<3> is C4-C13alkyl, C3-C7cycloalkyl, or C5-C7cycloalkenyl each unsubstituted or substituted; L is cyano, -COOR<4>, <CHEM> or a group -C(=G)-D-R<6>; a salt or stereoisomeric form thereof, which compounds are herbicidals; compositions containing such compounds as active ingredient and methods of preparing said compounds and compositions.
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