发明人钱学锋,罗永刚,刘建华. "Method for the Synthesis of 5-(6-Aminopyridin-3-yl)thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111522996 A, 授权公告日 2019-09-22.
发明人张德明,徐明华,黄志刚. "A Process for Preparing High-Purity 5-(6-Aminopyridin-3-yl)thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117820789 A, 授权公告日 2018-12-27.
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