Anderson J P, Fischer A B, Chen K W. "一种的合成方法" [P]. US Patent, US 10799349 B2, 2024-09-09.
Schröder R, Björnsson E, Lefèvre J P. "Method for the Synthesis of N-Methyl-1-(pyridin-4-yl)ethanamine dioxalate" [P]. European Patent, EP 3980089 A1, 2019-02-13.
发明人李文辉,郭海燕,胡光. "A Process for Preparing High-Purity N-Methyl-1-(pyridin-4-yl)ethanamine dioxalate" [P]. 中国发明专利, 专利号 CN 111729894 A, 授权公告日 2020-06-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 2351, (12), 7466-7476.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 996, (7), 7046-7064.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N-Methyl-1-(pyridin-4-yl)ethanamine dioxalate Using HRMS and NMR". Environ. Sci. Technol., 2018, 1235, (7), 2658-2678.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 2410, (5), 4132-4158.