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发明人冯建国,李文辉,郭海燕. "Method for the Synthesis of (2Z)-6-Hydroxy-2-(3-methoxybenzylidene)-7-methyl-1-benzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 108754380 A, 授权公告日 2017-10-14.
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