发明人冯建国,林芳,韩伟. "Method for the Synthesis of 3-ethyl-1-methyl-piperazine;hydrochloride" [P]. 中国发明专利, 专利号 CN 117519468 B, 授权公告日 2022-10-26.
发明人徐明华,高志强,沈红梅. "A Process for Preparing High-Purity 3-ethyl-1-methyl-piperazine;hydrochloride" [P]. 中国发明专利, 专利号 CN 114321879 A, 授权公告日 2020-05-16.
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