发明人冯建国,胡光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117222599 A, 授权公告日 2019-01-06.
发明人马晓峰,韩伟,郑宇鹏. "Method for the Synthesis of 5-((6-Ethyl-2,6-diazaspiro[3.3]Heptan-2-yl)methyl)pyridin-2-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 111388673 B, 授权公告日 2022-10-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2018, 1337, (3), 7151-7161.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 2112, 2462-2470.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-((6-Ethyl-2,6-diazaspiro[3.3]Heptan-2-yl)methyl)pyridin-2-amine dihydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2016, 187, (4), 4781-4786.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 113, 5047-5064.