Lefèvre J P, Kowalski A, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3785818 A1, 2022-03-09.
发明人胡光,沈红梅,杨光. "Method for the Synthesis of 2-(Difluoromethyl)-4-hydroxy-6-methoxypyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 115383234 B, 授权公告日 2018-02-02.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2015, 330, 6353-6381.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 1007, (1), 6690-6702.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-hydroxy-6-methoxypyridine-3-sulfonyl chloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 760, (4), 3846-3858.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 1839, (1), 229-255.