发明人郭海燕,徐明华,刘建华. "Method for the Synthesis of 2-(4-Methyl-7-((2-methylallyl)oxy)-2-oxo-2h-chromen-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113777857 A, 授权公告日 2021-06-15.
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