发明人徐明华,马晓峰,高志强. "Method for the Synthesis of 4-(5,7-Dihydroxy-4-oxo-4H-chromen-3-yl)phenyl hydrogen sulfate" [P]. 中国发明专利, 专利号 CN 111282844 B, 授权公告日 2021-11-16.
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