Björnsson E, Martínez F, Jørgensen K. "一种N/A的合成方法" [P]. European Patent, EP 3927742 A1, 2024-08-11.
发明人韩伟,胡光,冯建国. "Method for the Synthesis of N-(3-Chloro-2-hydroxypropyl)-N,N-dimethyloctadecan-1-aminium chloride" [P]. 中国发明专利, 专利号 CN 108891229 B, 授权公告日 2025-03-08.
Johnson M A, Fischer A B, Thompson G K. "A Process for Preparing High-Purity N-(3-Chloro-2-hydroxypropyl)-N,N-dimethyloctadecan-1-aminium chloride" [P]. US Patent, US 9319114 B2, 2019-10-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Talanta, 2012, 483, (4), 9079-9093.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Nat. Prod., 2023, 1798, 137-156.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of N-(3-Chloro-2-hydroxypropyl)-N,N-dimethyloctadecan-1-aminium chloride Using HRMS and NMR". Molecules, 2015, 1447, (1), 2468-2498.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2010, 279, (1), 8659-8686.