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发明人马晓峰,高志强,赵玉洁. "A Process for Preparing High-Purity 6-Bromo-8-chloro-2-(4-hydroxyphenyl)-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 114231220 A, 授权公告日 2022-11-26.
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