发明人刘建华,马晓峰,何建平. "Method for the Synthesis of 3-(2,4-Difluorophenyl)-1-methyl-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111645160 A, 授权公告日 2016-05-12.
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