发明人林芳,刘建华,胡光. "Method for the Synthesis of Methyl 5-methyl-6-(methylamino)nicotinate" [P]. 中国发明专利, 专利号 CN 114927553 B, 授权公告日 2017-10-15.
发明人刘建华,林芳,张德明. "A Process for Preparing High-Purity Methyl 5-methyl-6-(methylamino)nicotinate" [P]. 中国发明专利, 专利号 CN 116011982 B, 授权公告日 2024-10-09.
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