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发明人马晓峰,高志强,杨光. "A Process for Preparing High-Purity 4-(4-Chloro-5-methyl-pyrimidin-2-yl)-2-methyl-piperazine-1-carboxylic acid tert-butyl ester" [P]. 中国发明专利, 专利号 CN 110199663 A, 授权公告日 2016-12-28.
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