发明人高志强,周伟,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117789250 A, 授权公告日 2022-10-18.
发明人赵玉洁,朱建伟,韩伟. "Method for the Synthesis of Methyl 3-azaspiro[5.5]Undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 115334131 A, 授权公告日 2015-03-09.
发明人杨光,胡光,韩伟. "A Process for Preparing High-Purity Methyl 3-azaspiro[5.5]Undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 110514052 A, 授权公告日 2017-06-04.
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, 2023, 362, (7), 1508-1517.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2024, 2250, 1496-1514.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-azaspiro[5.5]Undecane-9-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 662, (4), 2339-2366.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 2277, (7), 5644-5657.