254.
    发明专利
    未知

    公开(公告)号:DD201091A5

    公开(公告)日:1983-07-06

    申请号:DD23515181

    申请日:1981-11-26

    Applicant: BASF AG

    Abstract: 5-Amino-1-phenylpyrazole-4-carboxylic acid esters of the formula where R1 is methyl, trifluoromethyl, chlorine or bromine, R2 is chlorine, bromine, iodine or akylsulfonyl, R3 is hydrogen, chlorine or bromine, or is methoxy in the 5-position, in which case R1 and R2 are chlorine, whilst R2 is hydrogen if R3 is chlorine in the 3-position, and R4 is methyl, and herbicides containing these compounds.

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