发明人孙丽萍,杨光,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113312078 A, 授权公告日 2020-06-17.
发明人孙丽萍,高志强,王建平. "Method for the Synthesis of 1-Methyl-4-(2-pyrrolidinylmethyl)piperazinedihydrochloride" [P]. 中国发明专利, 专利号 CN 108414532 B, 授权公告日 2025-07-09.
发明人林芳,胡光,郭海燕. "A Process for Preparing High-Purity 1-Methyl-4-(2-pyrrolidinylmethyl)piperazinedihydrochloride" [P]. 中国发明专利, 专利号 CN 112721543 A, 授权公告日 2025-06-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 844, (9), 4909-4920.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 1366, 3065-3083.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-4-(2-pyrrolidinylmethyl)piperazinedihydrochloride Using HRMS and NMR". Food Chem., 2014, 629, (7), 654-672.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 1176, 953-960.