发明人林芳,胡光,冯建国. "Method for the Synthesis of 4-(Difluoromethyl)-5-methoxypyridin-3-ol" [P]. 中国发明专利, 专利号 CN 112012232 A, 授权公告日 2018-03-08.
发明人郭海燕,杨光,马晓峰. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-methoxypyridin-3-ol" [P]. 中国发明专利, 专利号 CN 111844083 B, 授权公告日 2018-12-06.
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". Sci. Total Environ., 2023, 2026, 9442-9465.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2013, 1414, (2), 3708-3725.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-methoxypyridin-3-ol Using HRMS and NMR". Anal. Methods, 2021, 1729, (9), 2852-2870.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 2296, (9), 8918-8931.