Schröder R, Nielsen H, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3564344 A1, 2019-06-20.
发明人王建平,刘建华,黄志刚. "Method for the Synthesis of 2-Piperazin-1-yl-1H-benzimidazole dihydrochloride" [P]. 中国发明专利, 专利号 CN 117146394 A, 授权公告日 2021-03-26.
发明人林芳,杨光,刘建华. "A Process for Preparing High-Purity 2-Piperazin-1-yl-1H-benzimidazole dihydrochloride" [P]. 中国发明专利, 专利号 CN 110518793 B, 授权公告日 2024-08-17.
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". Molecules, 2013, 660, (2), 3741-3752.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 1911, 7034-7061.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Piperazin-1-yl-1H-benzimidazole dihydrochloride Using HRMS and NMR". Anal. Methods, 2014, 144, 84-87.