发明人冯建国,赵玉洁,刘建华. "Method for the Synthesis of Tert-butyl (S)-3-((5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl)amino)pyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117945482 B, 授权公告日 2021-09-10.
发明人周伟,张德明,黄志刚. "A Process for Preparing High-Purity Tert-butyl (S)-3-((5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl)amino)pyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115258630 B, 授权公告日 2024-12-18.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 692, 9882-9899.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1665, 1652-1664.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (S)-3-((5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl)amino)pyrrolidine-1-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2020, 2076, (2), 369-374.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2023, 1190, (7), 2316-2336.