发明人郭海燕,李文辉,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117245076 A, 授权公告日 2025-12-23.
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发明人沈红梅,胡光,冯建国. "A Process for Preparing High-Purity N1-(2-(Dimethylamino)ethyl)-N2,N2-dimethyl-N1-(2-(methylamino)ethyl)ethane-1,2-diamine" [P]. 中国发明专利, 专利号 CN 108042426 A, 授权公告日 2021-02-16.
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