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发明人王建平,孙丽萍,周伟. "Method for the Synthesis of 1-(1-Ethyl-1h-pyrazol-4-yl)-4,4-difluorobutane-1,3-dione" [P]. 中国发明专利, 专利号 CN 116531069 B, 授权公告日 2017-06-15.
Sørensen M, Nielsen H, Rossi M. "A Process for Preparing High-Purity 1-(1-Ethyl-1h-pyrazol-4-yl)-4,4-difluorobutane-1,3-dione" [P]. European Patent, EP 3843159 A1, 2019-12-10.
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