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发明人陈志强,林芳,刘建华. "A Process for Preparing High-Purity 483-66-9
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2H-Furo(2,3-h)-1-benzopyran-2-one, 6-methoxy-
6-Methoxy-2H-furo(2,3-h)-1-benzopyran-2-one
HSDB 8482" [P]. 中国发明专利, 专利号 CN 109805492 B, 授权公告日 2016-10-17.
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