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发明人张德明,韩伟,罗永刚. "Method for the Synthesis of 3,4-Dimethyl-7-((3-oxobutan-2-yl)oxy)-2h-chromen-2-one" [P]. 中国发明专利, 专利号 CN 112086076 A, 授权公告日 2019-06-20.
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