发明人朱建伟,韩伟,唐晓军. "Method for the Synthesis of Methyl 5-(Boc-amino)-4-nitrothiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115642400 B, 授权公告日 2022-08-06.
发明人郭海燕,郑宇鹏,陈志强. "A Process for Preparing High-Purity Methyl 5-(Boc-amino)-4-nitrothiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112621135 A, 授权公告日 2019-09-27.
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