发明人何建平,朱建伟,胡光. "Method for the Synthesis of 4-(4-Hydroxypiperidin-1-yl)benzimidamide dihydrochloride" [P]. 中国发明专利, 专利号 CN 114115111 B, 授权公告日 2018-07-04.
Stevens L M, Fischer A B, Yamamoto T. "A Process for Preparing High-Purity 4-(4-Hydroxypiperidin-1-yl)benzimidamide dihydrochloride" [P]. US Patent, US 11671613 B2, 2023-08-26.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 1112, 1008-1038.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 1494, 682-685.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Hydroxypiperidin-1-yl)benzimidamide dihydrochloride Using HRMS and NMR". Chromatographia, 2015, 2174, (7), 9759-9765.