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发明人郑宇鹏,张德明,王建平. "Method for the Synthesis of Tert-butyl 8-benzyloctahydro-2H-pyrazino[1,2-a]pyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109276360 A, 授权公告日 2020-12-17.
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