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发明人郭海燕,李文辉,高志强. "A Process for Preparing High-Purity Methyl 4-((2S,4S)-4-hydroxypiperidin-2-yl)benzoate" [P]. 中国发明专利, 专利号 CN 117754593 B, 授权公告日 2020-11-24.
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