发明人李文辉,林芳,孙丽萍. "Method for the Synthesis of Ethyl 3-amino-6-methoxypicolinate" [P]. 中国发明专利, 专利号 CN 117669352 A, 授权公告日 2025-03-04.
发明人罗永刚,胡光,陈志强. "A Process for Preparing High-Purity Ethyl 3-amino-6-methoxypicolinate" [P]. 中国发明专利, 专利号 CN 115130091 A, 授权公告日 2015-10-02.
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