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发明人张德明,周伟,孙丽萍. "A Process for Preparing High-Purity 2-((1-(tert-Butoxycarbonyl)piperidin-3-yl)(isopropyl)amino)acetic acid" [P]. 中国发明专利, 专利号 CN 111613660 A, 授权公告日 2020-05-02.
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