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发明人何建平,罗永刚,郑宇鹏. "A Process for Preparing High-Purity Methyl 2-(6-hydroxy-5-methylbenzofuran-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 115579142 B, 授权公告日 2020-06-03.
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