| 摘要 |
The description relates to heterocyclic compounds having weed-killing activity and defined by the following general formula: <IMAGE> (I) where R is a straight-chain or branched alkyl group with 1 to 6 carbon atoms or the phenyl group, R1 is a straight-chain or branched alkyl group with 1 to 10 carbon atoms (substituted if required by halide, or phenyl group), an alkenyl group, an alkynyl group, a cycloalkyl group, or the phenyl group. |
