发明人郑宇鹏,周伟,唐晓军. "Method for the Synthesis of (1R*,4R*)-N1-Ethylcyclohexane-1,4-diamine dihydrochloride" [P]. 中国发明专利, 专利号 CN 111027773 A, 授权公告日 2023-02-22.
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