发明人王建平,沈红梅,郑宇鹏. "Method for the Synthesis of Ethyl 3-amino-5-formylbenzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110693563 A, 授权公告日 2021-02-16.
发明人唐晓军,陈志强,马晓峰. "A Process for Preparing High-Purity Ethyl 3-amino-5-formylbenzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109498337 A, 授权公告日 2024-02-22.
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