Park J H, Stevens L M, Lee S K. "一种的合成方法" [P]. US Patent, US 9941404 B2, 2024-10-24.
发明人赵玉洁,何建平,马晓峰. "Method for the Synthesis of Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(pyridin-4-yl)-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110331947 A, 授权公告日 2021-02-12.
发明人沈红梅,林芳,胡光. "A Process for Preparing High-Purity Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(pyridin-4-yl)-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116255843 A, 授权公告日 2015-02-18.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 699, (1), 4402-4432.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 787, (3), 3809-3812.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(pyridin-4-yl)-4H-pyran-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2024, 244, 6878-6896.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2019, 184, (3), 2563-2575.