Schröder R, Nowak P, Johansson L. "Method for the Synthesis of 4-Ethoxy-2-(methylthio)-6-(piperazin-1-yl)pyrimidine hydrochloride" [P]. European Patent, EP 3191748 A1, 2025-01-25.
发明人何建平,林芳,周伟. "A Process for Preparing High-Purity 4-Ethoxy-2-(methylthio)-6-(piperazin-1-yl)pyrimidine hydrochloride" [P]. 中国发明专利, 专利号 CN 113702169 B, 授权公告日 2019-05-17.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 1689, (8), 7964-7985.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 884, (4), 7049-7076.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethoxy-2-(methylthio)-6-(piperazin-1-yl)pyrimidine hydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2010, 2263, (9), 208-219.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 1710, (2), 7205-7235.