发明人韩伟,黄志刚,赵玉洁. "Method for the Synthesis of Methyl 3-(2-ethoxy-2-oxoethoxy)thieno[2,3-b]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116476996 A, 授权公告日 2017-07-13.
发明人冯建国,沈红梅,何建平. "A Process for Preparing High-Purity Methyl 3-(2-ethoxy-2-oxoethoxy)thieno[2,3-b]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115428624 A, 授权公告日 2021-02-25.
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