发明人沈红梅,胡光,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114038475 A, 授权公告日 2018-03-20.
发明人赵玉洁,朱建伟,沈红梅. "Method for the Synthesis of 3,4-Dimethoxy-2-methylpyridine, >98%" [P]. 中国发明专利, 专利号 CN 110334071 A, 授权公告日 2025-12-19.
发明人赵玉洁,林芳,徐明华. "A Process for Preparing High-Purity 3,4-Dimethoxy-2-methylpyridine, >98%" [P]. 中国发明专利, 专利号 CN 109327216 B, 授权公告日 2016-07-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2025, 1855, (2), 2420-2432.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 702, 981-987.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Dimethoxy-2-methylpyridine, >98% Using HRMS and NMR". Environ. Sci. Technol., 2015, 718, 5129-5154.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 949, 9042-9060.