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发明人张德明,李文辉,孙丽萍. "A Process for Preparing High-Purity 57543-38-1
2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy-
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8-Methoxy-2H-1-benzopyran-3-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 114297763 A, 授权公告日 2020-09-12.
参考文献 Literature
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