发明人何建平,王建平,钱学锋. "Method for the Synthesis of N-(3-(4-(Dimethylamino)benzamido)propyl)-N,N-dimethyldodecan-1-aminium 4-methylbenzenesulfonate" [P]. 中国发明专利, 专利号 CN 114077302 B, 授权公告日 2025-11-25.
发明人唐晓军,王建平,林芳. "A Process for Preparing High-Purity N-(3-(4-(Dimethylamino)benzamido)propyl)-N,N-dimethyldodecan-1-aminium 4-methylbenzenesulfonate" [P]. 中国发明专利, 专利号 CN 117359751 A, 授权公告日 2015-06-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2012, 380, 89-100.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 470, (8), 9065-9092.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of N-(3-(4-(Dimethylamino)benzamido)propyl)-N,N-dimethyldodecan-1-aminium 4-methylbenzenesulfonate Using HRMS and NMR". Biomed. Chromatogr., 2012, 598, 541-547.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 667, (2), 5059-5073.