发明人张德明,林芳,李文辉. "Method for the Synthesis of 3-(2,4-Dihydroxybenzylidene)-5-(4-methoxyphenyl)furan-2(3H)-one" [P]. 中国发明专利, 专利号 CN 111880226 B, 授权公告日 2017-04-16.
发明人王建平,唐晓军,罗永刚. "A Process for Preparing High-Purity 3-(2,4-Dihydroxybenzylidene)-5-(4-methoxyphenyl)furan-2(3H)-one" [P]. 中国发明专利, 专利号 CN 109679564 B, 授权公告日 2018-09-12.
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