发明人黄志刚,罗永刚,徐明华. "Method for the Synthesis of 6-Ethyl 3-methyl 7-morpholinothieno[3,2-b]pyridine-3,6-dicarboxylate" [P]. 中国发明专利, 专利号 CN 109113460 A, 授权公告日 2022-01-01.
发明人钱学锋,朱建伟,罗永刚. "A Process for Preparing High-Purity 6-Ethyl 3-methyl 7-morpholinothieno[3,2-b]pyridine-3,6-dicarboxylate" [P]. 中国发明专利, 专利号 CN 109570853 B, 授权公告日 2021-09-11.
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