发明人林芳,何建平,王建平. "Method for the Synthesis of Methyl 5-amino-4-hydroxynicotinate" [P]. 中国发明专利, 专利号 CN 111355013 B, 授权公告日 2024-05-21.
发明人郑宇鹏,李文辉,刘建华. "A Process for Preparing High-Purity Methyl 5-amino-4-hydroxynicotinate" [P]. 中国发明专利, 专利号 CN 108597318 A, 授权公告日 2017-06-21.
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