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发明人马晓峰,杨光,郭海燕. "A Process for Preparing High-Purity tert-Butyl 4-(5-bromo-3-methylpyridin-2-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111005533 B, 授权公告日 2018-12-18.
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