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发明人钱学锋,黄志刚,朱建伟. "A Process for Preparing High-Purity 4-(6-Methoxy-pyrimidin-4-ylamino)-piperidine-1-carboxylic acid tert-butyl ester" [P]. 中国发明专利, 专利号 CN 112934496 A, 授权公告日 2018-09-21.
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