发明人朱建伟,韩伟,徐明华. "Method for the Synthesis of Methyl 5-(piperazine-1-sulfonyl)thiophene-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 113052938 B, 授权公告日 2022-10-04.
发明人冯建国,韩伟,唐晓军. "A Process for Preparing High-Purity Methyl 5-(piperazine-1-sulfonyl)thiophene-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 115425215 A, 授权公告日 2021-10-24.
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