发明人李文辉,陈志强,周伟. "Method for the Synthesis of Methyl 5-((difluoromethyl)thio)-3-hydroxythiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111332132 A, 授权公告日 2022-03-09.
发明人孙丽萍,胡光,罗永刚. "A Process for Preparing High-Purity Methyl 5-((difluoromethyl)thio)-3-hydroxythiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114190293 B, 授权公告日 2021-10-21.
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