发明人李文辉,林芳,何建平. "Method for the Synthesis of 1-(4-Fluorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111471975 B, 授权公告日 2023-11-20.
发明人徐明华,陈志强,何建平. "A Process for Preparing High-Purity 1-(4-Fluorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115648505 A, 授权公告日 2025-06-03.
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