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发明人刘建华,黄志刚,赵玉洁. "Method for the Synthesis of 1-(3,4-Dihydropyrrolo[1,2-a]pyrazin-2(1H)-yl)ethanone" [P]. 中国发明专利, 专利号 CN 114968442 B, 授权公告日 2019-10-26.
发明人沈红梅,胡光,孙丽萍. "A Process for Preparing High-Purity 1-(3,4-Dihydropyrrolo[1,2-a]pyrazin-2(1H)-yl)ethanone" [P]. 中国发明专利, 专利号 CN 115035418 B, 授权公告日 2022-02-03.
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