发明人孙丽萍,黄志刚,徐明华. "Method for the Synthesis of N1-Ethyl-N1-(1-(3-methylpyrazin-2-yl)ethyl)ethane-1,2-diamine" [P]. 中国发明专利, 专利号 CN 116118823 A, 授权公告日 2020-07-09.
发明人徐明华,唐晓军,冯建国. "A Process for Preparing High-Purity N1-Ethyl-N1-(1-(3-methylpyrazin-2-yl)ethyl)ethane-1,2-diamine" [P]. 中国发明专利, 专利号 CN 114066926 A, 授权公告日 2018-08-28.
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