发明人冯建国,张德明,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109718144 A, 授权公告日 2016-10-27.
发明人冯建国,朱建伟,张德明. "Method for the Synthesis of Ethyl 2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)propanoate" [P]. 中国发明专利, 专利号 CN 110247840 B, 授权公告日 2019-01-28.
发明人赵玉洁,林芳,刘建华. "A Process for Preparing High-Purity Ethyl 2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)propanoate" [P]. 中国发明专利, 专利号 CN 115719738 B, 授权公告日 2015-01-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 2119, (7), 8291-8299.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 962, (7), 9773-9798.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)propanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 1858, 1553-1572.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 1743, 3547-3551.