Schröder R, Thompson G K, Davis P L. "一种的合成方法" [P]. US Patent, US 10027981 B2, 2021-10-25.
发明人李文辉,胡光,郭海燕. "Method for the Synthesis of 2,8-Diazaspiro[5.5]undecan-3-one dihydrochloride" [P]. 中国发明专利, 专利号 CN 111586108 B, 授权公告日 2018-10-02.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 2388, 9971-9997.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2019, 456, 2382-2404.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2,8-Diazaspiro[5.5]undecan-3-one dihydrochloride Using HRMS and NMR". Chemosphere, 2021, 2059, (11), 7652-7664.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2020, 609, (6), 6903-6911.