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发明人郭海燕,冯建国,徐明华. "A Process for Preparing High-Purity 3-Hydroxy-6-(hydroxymethyl)-2-(morpholinomethyl)-4h-pyran-4-one" [P]. 中国发明专利, 专利号 CN 109894780 B, 授权公告日 2022-11-20.
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