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发明人林芳,黄志刚,罗永刚. "A Process for Preparing High-Purity (2s)-7-Hydroxy-3'-methylspiro[chromane-2,1'-cyclohexan]-4-one" [P]. 中国发明专利, 专利号 CN 111304667 A, 授权公告日 2019-01-23.
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