发明人王建平,徐明华,黄志刚. "Method for the Synthesis of 2-((2,5-Dioxo-1-(4-(trifluoromethoxy)phenyl)pyrrolidin-3-yl)thio)nicotinic acid" [P]. 中国发明专利, 专利号 CN 109268209 A, 授权公告日 2019-07-21.
发明人郭海燕,赵玉洁,王建平. "A Process for Preparing High-Purity 2-((2,5-Dioxo-1-(4-(trifluoromethoxy)phenyl)pyrrolidin-3-yl)thio)nicotinic acid" [P]. 中国发明专利, 专利号 CN 109423697 B, 授权公告日 2023-02-01.
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