发明人冯建国,张德明,林芳. "Method for the Synthesis of 3-Fluoro-4-(5-methylthiophen-2-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109899256 A, 授权公告日 2021-06-09.
发明人徐明华,黄志刚,孙丽萍. "A Process for Preparing High-Purity 3-Fluoro-4-(5-methylthiophen-2-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 114791663 B, 授权公告日 2021-05-18.
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