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发明人李文辉,郑宇鹏,钱学锋. "Method for the Synthesis of Ethyl 3-(morpholinosulfonyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117490649 B, 授权公告日 2024-09-02.
发明人唐晓军,冯建国,徐明华. "A Process for Preparing High-Purity Ethyl 3-(morpholinosulfonyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111280364 A, 授权公告日 2021-02-27.
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