Nowak P, Lefèvre J P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3015861 A1, 2017-10-10.
发明人高志强,刘建华,周伟. "Method for the Synthesis of 4-(2-Fluoro-phenyl)-piperazine-1-carboxamidine hydrochloride" [P]. 中国发明专利, 专利号 CN 114307372 B, 授权公告日 2015-03-23.
Johnson M A, Lee S K, Mueller T. "A Process for Preparing High-Purity 4-(2-Fluoro-phenyl)-piperazine-1-carboxamidine hydrochloride" [P]. US Patent, US 11518547 B2, 2023-02-17.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 2448, 6155-6167.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 2368, 3268-3285.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Fluoro-phenyl)-piperazine-1-carboxamidine hydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2011, 2186, 6428-6445.