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发明人孙丽萍,胡光,钱学锋. "Method for the Synthesis of 2-Amino-4-(3,5-dimethoxyphenyl)-6-(hydroxymethyl)-8-oxo-4H,8H-pyrano[3,2-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108674437 A, 授权公告日 2022-01-19.
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