发明人李文辉,钱学锋,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116306038 A, 授权公告日 2023-10-13.
发明人高志强,郑宇鹏,徐明华. "Method for the Synthesis of 5-((4-Chlorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108591018 A, 授权公告日 2020-02-15.
发明人周伟,林芳,孙丽萍. "A Process for Preparing High-Purity 5-((4-Chlorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111012240 B, 授权公告日 2022-12-10.
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