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发明人郭海燕,张德明,刘建华. "A Process for Preparing High-Purity (1S,3s)-1-((tert-butoxycarbonyl)amino)-3-hydroxycyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112726834 A, 授权公告日 2015-04-08.
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