Nielsen H, Lefèvre J P, Nowak P. "一种的合成方法" [P]. European Patent, EP 3493665 A1, 2024-03-17.
发明人黄志刚,徐明华,马晓峰. "Method for the Synthesis of 6-Ethyl-2-(methoxymethyl)thieno[2,3-d]pyrimidin-4-ol" [P]. 中国发明专利, 专利号 CN 108296535 B, 授权公告日 2016-02-12.
发明人孙丽萍,徐明华,何建平. "A Process for Preparing High-Purity 6-Ethyl-2-(methoxymethyl)thieno[2,3-d]pyrimidin-4-ol" [P]. 中国发明专利, 专利号 CN 113099117 A, 授权公告日 2021-08-22.
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". Biomed. Chromatogr., 2025, 2464, (3), 592-598.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2025, 192, (6), 7911-7930.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 6-Ethyl-2-(methoxymethyl)thieno[2,3-d]pyrimidin-4-ol Using HRMS and NMR". Anal. Chim. Acta, 2011, 2302, 5610-5619.