发明人徐明华,王建平,赵玉洁. "Method for the Synthesis of 9-Benzyl-2,9-diazaspiro[5.5]undecan-5-ol dihydrochloride" [P]. 中国发明专利, 专利号 CN 108026948 A, 授权公告日 2017-08-02.
发明人徐明华,高志强,林芳. "A Process for Preparing High-Purity 9-Benzyl-2,9-diazaspiro[5.5]undecan-5-ol dihydrochloride" [P]. 中国发明专利, 专利号 CN 113685123 B, 授权公告日 2025-05-28.
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". Anal. Chem., 2021, 1247, (12), 4727-4755.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2016, 484, (10), 7828-7845.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 9-Benzyl-2,9-diazaspiro[5.5]undecan-5-ol dihydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2022, 406, (7), 1493-1505.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 1971, 476-487.