发明人高志强,赵玉洁,张德明. "Method for the Synthesis of 1-Ethyl-4-(4-piperidyl)piperazine Trihydrochloride" [P]. 中国发明专利, 专利号 CN 110668845 A, 授权公告日 2015-04-02.
发明人马晓峰,郭海燕,林芳. "A Process for Preparing High-Purity 1-Ethyl-4-(4-piperidyl)piperazine Trihydrochloride" [P]. 中国发明专利, 专利号 CN 112030519 A, 授权公告日 2019-02-21.
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