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发明人郭海燕,黄志刚,冯建国. "A Process for Preparing High-Purity (R)-5-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-aminopentanoic acid" [P]. 中国发明专利, 专利号 CN 113208154 B, 授权公告日 2016-08-08.
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