发明人胡光,高志强,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111885339 A, 授权公告日 2022-11-08.
发明人刘建华,孙丽萍,陈志强. "Method for the Synthesis of (3S)-3-ethyl-1-methyl-piperazine;dihydrochloride" [P]. 中国发明专利, 专利号 CN 114603403 A, 授权公告日 2016-01-08.
发明人王建平,周伟,黄志刚. "A Process for Preparing High-Purity (3S)-3-ethyl-1-methyl-piperazine;dihydrochloride" [P]. 中国发明专利, 专利号 CN 111562988 B, 授权公告日 2021-03-24.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 432, (5), 6717-6734.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 432, 5232-5244.