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发明人郑宇鹏,赵玉洁,张德明. "A Process for Preparing High-Purity 3-Bromo-2,5,7-trimethylpyrazolo[1,5-a]pyrimidine" [P]. 中国发明专利, 专利号 CN 117827117 B, 授权公告日 2016-08-13.
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