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发明人赵玉洁,孙丽萍,徐明华. "A Process for Preparing High-Purity 7-Bromo-8-chloro-2-(4-hydroxyphenyl)-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 115076058 A, 授权公告日 2025-06-26.
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