发明人李文辉,唐晓军,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114672826 A, 授权公告日 2023-11-13.
Schröder R, Stevens L M, Fischer A B. "Method for the Synthesis of Ethyl 1-(5-(2,6-difluorobenzamido)pyridin-2-yl)-3,5-dimethyl-1H-pyrazole-4-carboxylate" [P]. US Patent, US 9375372 B2, 2024-12-08.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2013, 1512, (9), 2340-2360.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2014, 272, (3), 2573-2596.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(5-(2,6-difluorobenzamido)pyridin-2-yl)-3,5-dimethyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". Anal. Methods, 2019, 977, 8828-8852.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 2383, (3), 70-76.