发明人徐明华,李文辉,赵玉洁. "Method for the Synthesis of 5-((3-Methoxybenzyl)oxy)-1-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108023899 A, 授权公告日 2015-03-26.
发明人杨光,王建平,陈志强. "A Process for Preparing High-Purity 5-((3-Methoxybenzyl)oxy)-1-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110939082 B, 授权公告日 2019-04-22.
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