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发明人李文辉,何建平,黄志刚. "A Process for Preparing High-Purity 6-Methyl-6,7-dihydro-3H-cyclopenta[d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 112202534 B, 授权公告日 2021-03-19.
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