发明人郑宇鹏,黄志刚,高志强. "Method for the Synthesis of 4-Amino-5-(difluoromethyl)-2-hydroxynicotinamide" [P]. 中国发明专利, 专利号 CN 115848912 A, 授权公告日 2015-09-11.
发明人黄志刚,张德明,刘建华. "A Process for Preparing High-Purity 4-Amino-5-(difluoromethyl)-2-hydroxynicotinamide" [P]. 中国发明专利, 专利号 CN 108799670 B, 授权公告日 2020-11-03.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 1759, (10), 8064-8078.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 113, (3), 5193-5200.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-5-(difluoromethyl)-2-hydroxynicotinamide Using HRMS and NMR". Environ. Sci. Technol., 2021, 2047, (8), 8196-8219.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 2073, 8395-8417.