Rossi M, Kowalski A, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3266580 A1, 2016-08-24.
发明人王建平,何建平,沈红梅. "Method for the Synthesis of 4-[5-Ethyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid" [P]. 中国发明专利, 专利号 CN 110656708 A, 授权公告日 2024-08-02.
发明人张德明,徐明华,孙丽萍. "A Process for Preparing High-Purity 4-[5-Ethyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid" [P]. 中国发明专利, 专利号 CN 108086547 B, 授权公告日 2018-01-15.
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