发明人郭海燕,张德明,黄志刚. "Method for the Synthesis of tert-Butyl 4-(methyl(3-methylpyrazin-2-yl)amino)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114514608 B, 授权公告日 2022-12-17.
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