发明人孙丽萍,刘建华,林芳. "Method for the Synthesis of 4-bromo-1-(2,2-difluoroethyl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111212611 B, 授权公告日 2025-06-02.
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