发明人郭海燕,周伟,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112348651 A, 授权公告日 2021-05-19.
发明人冯建国,周伟,黄志刚. "Method for the Synthesis of 2-((4-(4-Methoxyphenyl)-8-methyl-2-oxo-2h-chromen-7-yl)oxy)acetic acid" [P]. 中国发明专利, 专利号 CN 109299913 A, 授权公告日 2025-05-01.
发明人马晓峰,钱学锋,郑宇鹏. "A Process for Preparing High-Purity 2-((4-(4-Methoxyphenyl)-8-methyl-2-oxo-2h-chromen-7-yl)oxy)acetic acid" [P]. 中国发明专利, 专利号 CN 111839564 A, 授权公告日 2020-03-21.
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