发明名称 |
Herbicidal pyridyl-ethoxy-phenyl urea derivatives |
摘要 |
Urea derivatives of the general formula: <IMAGE> wherein R1 stands for a lower alkly group; and R2 stands for a lower alkyl group or a lower alkoxy group, or a salt thereof, are novel and have a strong herbicidal activity against various species of weeds and shows a very low phytotoxicity to crop plants.
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申请公布号 |
US4443246(A) |
申请公布日期 |
1984.04.17 |
申请号 |
US19820385857 |
申请日期 |
1982.06.07 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
KAWAMATSU, YUTAKA;SARAIE, TAKAHIRO;YOSHIKAWA, HARUTOSHI |
分类号 |
A01N47/30;C07D213/30;(IPC1-7):A01N43/40;C07D213/86 |
主分类号 |
A01N47/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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