发明人张德明,王建平,刘建华. "Method for the Synthesis of methyl 3-fluoro-4,6-dihydrothieno[3,4-b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117050291 A, 授权公告日 2022-04-07.
发明人李文辉,沈红梅,杨光. "A Process for Preparing High-Purity methyl 3-fluoro-4,6-dihydrothieno[3,4-b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112771370 A, 授权公告日 2015-07-19.
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