Johansson L, Mueller T C, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3362240 A1, 2022-09-22.
发明人沈红梅,刘建华,黄志刚. "Method for the Synthesis of 4-Ethyl-2-(thiophen-2-yl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115132031 B, 授权公告日 2020-08-05.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2017, 2127, 6917-6920.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 694, 2278-2296.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-2-(thiophen-2-yl)pyrimidine-5-carboxylic acid Using HRMS and NMR". Molecules, 2025, 2345, 8879-8908.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2021, 567, (12), 3911-3919.