发明人王建平,罗永刚,郭海燕. "Method for the Synthesis of (Z)-6-hydroxy-2-(2-methoxybenzylidene)-7-methylbenzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 111986578 B, 授权公告日 2016-04-17.
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