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发明人孙丽萍,钱学锋,陈志强. "A Process for Preparing High-Purity tert-Butyl 3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate" [P]. 中国发明专利, 专利号 CN 111697619 B, 授权公告日 2025-01-12.
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