Williams B T, Stevens L M, Schröder R. "一种的合成方法" [P]. US Patent, US 10564703 B2, 2018-10-18.
发明人张德明,郑宇鹏,李文辉. "Method for the Synthesis of 5-(Cyanomethyl)-2-(difluoromethyl)isonicotinonitrile" [P]. 中国发明专利, 专利号 CN 109499581 A, 授权公告日 2023-08-02.
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". Talanta, 2024, 306, 3645-3657.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 670, 9851-9878.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Cyanomethyl)-2-(difluoromethyl)isonicotinonitrile Using HRMS and NMR". Molecules, 2011, 1482, 5023-5048.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 496, 8254-8273.