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发明人郑宇鹏,马晓峰,陈志强. "A Process for Preparing High-Purity 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-3-methylazetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108777775 B, 授权公告日 2021-10-20.
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