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发明人陈志强,马晓峰,王建平. "A Process for Preparing High-Purity 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-methylpiperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116070092 B, 授权公告日 2019-09-18.
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