发明人杨光,何建平,林芳. "Method for the Synthesis of 4-Amino-2,5-difluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 116963800 B, 授权公告日 2020-03-04.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2022, 1997, (6), 9165-9171.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 1273, (7), 6990-7016.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-2,5-difluorobenzonitrile Using HRMS and NMR". Anal. Chem., 2020, 2078, 2287-2290.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 683, (12), 1845-1874.