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发明人张德明,沈红梅,刘建华. "A Process for Preparing High-Purity tert-Butyl 4-((5-fluoropyrimidin-2-yl)amino)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109802359 B, 授权公告日 2020-12-07.
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