发明人赵玉洁,刘建华,冯建国. "Method for the Synthesis of 2-Methyl-6-(methylamino)nicotinic acid" [P]. 中国发明专利, 专利号 CN 114032530 B, 授权公告日 2019-04-14.
发明人徐明华,朱建伟,韩伟. "A Process for Preparing High-Purity 2-Methyl-6-(methylamino)nicotinic acid" [P]. 中国发明专利, 专利号 CN 115781252 A, 授权公告日 2025-07-01.
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