发明人刘建华,罗永刚,马晓峰. "Method for the Synthesis of 4-Bromo-1-ethyl-3-methyl-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115521006 A, 授权公告日 2023-06-20.
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