Davis P L, Hughes D C, Park J H. "一种的合成方法" [P]. US Patent, US 10954620 B2, 2022-03-06.
发明人马晓峰,李文辉,钱学锋. "Method for the Synthesis of 4-Methoxy-N'-methyl-N'-(4-methyl-3-(methylsulfonyl)-6-phenylpyridin-2-yl)benzohydrazide" [P]. 中国发明专利, 专利号 CN 112280600 A, 授权公告日 2017-11-17.
Klinger H, Stevens L M, Roberts E F. "A Process for Preparing High-Purity 4-Methoxy-N'-methyl-N'-(4-methyl-3-(methylsulfonyl)-6-phenylpyridin-2-yl)benzohydrazide" [P]. US Patent, US 9860094 B2, 2022-10-07.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 419, (12), 7393-7405.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 1095, (6), 9603-9621.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methoxy-N'-methyl-N'-(4-methyl-3-(methylsulfonyl)-6-phenylpyridin-2-yl)benzohydrazide Using HRMS and NMR". J. Agric. Food Chem., 2013, 2331, 4951-4955.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2015, 2279, (6), 8588-8617.