发明人郑宇鹏,张德明,何建平. "Method for the Synthesis of Dimethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 110779922 A, 授权公告日 2021-02-23.
发明人朱建伟,唐晓军,张德明. "A Process for Preparing High-Purity Dimethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115349939 A, 授权公告日 2025-12-06.
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