发明人何建平,李文辉,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112392413 A, 授权公告日 2015-09-18.
发明人黄志刚,周伟,郭海燕. "Method for the Synthesis of 2,3-Diamino-6-(difluoromethyl)-4-methoxypyridine" [P]. 中国发明专利, 专利号 CN 116821843 A, 授权公告日 2021-10-09.
Anderson J P, Klinger H, O'Brien P Q. "A Process for Preparing High-Purity 2,3-Diamino-6-(difluoromethyl)-4-methoxypyridine" [P]. US Patent, US 10192954 B2, 2025-11-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 2388, (1), 9856-9870.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 429, 835-848.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2,3-Diamino-6-(difluoromethyl)-4-methoxypyridine Using HRMS and NMR". Chemosphere, 2013, 1987, (2), 2168-2194.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2024, 371, (1), 7724-7740.