发明人韩伟,陈志强,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108210177 A, 授权公告日 2019-05-13.
发明人胡光,周伟,黄志刚. "Method for the Synthesis of Ethyl 2-(6-(4-chlorophenyl)-3-cyano-4-(methylthio)-2-oxopyridin-1(2H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 109356583 A, 授权公告日 2020-02-28.
发明人王建平,郑宇鹏,李文辉. "A Process for Preparing High-Purity Ethyl 2-(6-(4-chlorophenyl)-3-cyano-4-(methylthio)-2-oxopyridin-1(2H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 116247446 B, 授权公告日 2015-05-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 1050, (11), 3996-4024.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 1605, 7702-7709.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(6-(4-chlorophenyl)-3-cyano-4-(methylthio)-2-oxopyridin-1(2H)-yl)acetate Using HRMS and NMR". J. Sep. Sci., 2023, 2051, (8), 622-644.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2015, 2387, (12), 3157-3171.