发明人李文辉,刘建华,徐明华. "Method for the Synthesis of 7-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-5-methoxy-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 111510765 A, 授权公告日 2017-02-09.
发明人李文辉,冯建国,唐晓军. "A Process for Preparing High-Purity 7-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-5-methoxy-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 110048705 B, 授权公告日 2023-03-27.
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