| 摘要 |
The present invention relates to high selective herbicidal phenoxypropionic acid alkoxycarbonyl anilid compounds represented in formula 1, method of preparing thereof, their use to control barnyard grass produced from rice, and a composition as suitable herbicides,whereinR is a hydrogen atom, methyl or ethyl group;R1 is a hydrogen atom, C1-C6 alkyl, C1-C6 alkyl substituted with 1 to 3 of the group consisting of hydroxy, carboxyl, and a halogen atom, C3-C6 cycloalkyl, C3-C4 alkenyl, C3-C4 alkinyl, or C2-C4 alkoxyalkyl group;n is an integer of 1 or 2 and when n is 2, R1 can be a combination of other substituents.
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