发明人孙丽萍,高志强,罗永刚. "Method for the Synthesis of Methyl 2-((2-methyl-4-oxo-3-phenyl-4H-chromen-7-yl)oxy)acetate" [P]. 中国发明专利, 专利号 CN 117724973 A, 授权公告日 2017-10-24.
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