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发明人张德明,赵玉洁,杨光. "Method for the Synthesis of Methyl 2-(7-methoxy-2-oxo-2h-chromen-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 108490955 B, 授权公告日 2023-06-09.
发明人何建平,唐晓军,高志强. "A Process for Preparing High-Purity Methyl 2-(7-methoxy-2-oxo-2h-chromen-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 112018728 A, 授权公告日 2022-05-20.
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