发明人孙丽萍,黄志刚,陈志强. "Method for the Synthesis of 4-(2,4-Bis(trifluoromethyl)phenyl)-N-hydroxypicolinimidamide" [P]. 中国发明专利, 专利号 CN 114981361 B, 授权公告日 2018-05-05.
Kumar R, Roberts E F, Chen K W. "A Process for Preparing High-Purity 4-(2,4-Bis(trifluoromethyl)phenyl)-N-hydroxypicolinimidamide" [P]. US Patent, US 9887826 B2, 2022-05-14.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2019, 1200, (5), 3468-3471.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 2016, 3585-3605.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2,4-Bis(trifluoromethyl)phenyl)-N-hydroxypicolinimidamide Using HRMS and NMR". Biomed. Chromatogr., 2012, 674, 3097-3112.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 1585, (10), 6166-6189.