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发明人林芳,王建平,李文辉. "A Process for Preparing High-Purity 6-Methyl-1-propyl-3,4-dihydropyrrolo[1,2-a]pyrazine" [P]. 中国发明专利, 专利号 CN 111806966 B, 授权公告日 2022-05-12.
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