发明人郭海燕,徐明华,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109138320 A, 授权公告日 2024-06-16.
发明人刘建华,黄志刚,韩伟. "Method for the Synthesis of ethyl 2,4-dimethylpyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111314967 A, 授权公告日 2019-02-14.
发明人何建平,徐明华,陈志强. "A Process for Preparing High-Purity ethyl 2,4-dimethylpyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110079010 B, 授权公告日 2023-07-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2022, 2059, 5948-5975.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 2065, 581-592.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 2,4-dimethylpyrimidine-5-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 2448, (3), 1751-1776.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2012, 1501, (12), 2191-2207.