发明人沈红梅,林芳,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109188072 A, 授权公告日 2021-01-22.
发明人李文辉,高志强,唐晓军. "Method for the Synthesis of 2-(Difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 116257807 A, 授权公告日 2020-04-28.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 2111, (2), 8331-8345.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2015, 2261, 3854-3858.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde Using HRMS and NMR". Phytochemistry, 2023, 1981, (4), 3249-3266.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 2396, (5), 8820-8824.