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发明人刘建华,郭海燕,徐明华. "Method for the Synthesis of 6-fluoro-7-hydroxy-3,4-dihydro-2H-1-benzopyran-4-one" [P]. 中国发明专利, 专利号 CN 114306210 B, 授权公告日 2023-12-02.
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