发明人王建平,郭海燕,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115324070 A, 授权公告日 2025-11-19.
发明人陈志强,赵玉洁,钱学锋. "Method for the Synthesis of 2-(Difluoromethyl)-3-hydroxy-4-methoxypyridine-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 108681547 A, 授权公告日 2019-02-08.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 1573, (5), 1070-1087.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1182, 3718-3732.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-hydroxy-4-methoxypyridine-6-sulfonyl chloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 1711, (1), 2796-2799.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2023, 141, 3773-3796.