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发明人郑宇鹏,唐晓军,陈志强. "Method for the Synthesis of Hexahydro-2H-pyrazino[1,2-a]pyrazin-1(6H)-one" [P]. 中国发明专利, 专利号 CN 109752414 B, 授权公告日 2023-07-01.
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